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medium advisory

Detection of Unauthorized AWS Bedrock Model Import and Deployment

Unauthorized importation or deployment of AI models in AWS Bedrock can facilitate a supply-chain compromise by introducing backdoored or poisoned artifacts into an organization's inference pipeline.

AWS Bedrock cloud bedrock llm persistence
1r 1t
medium advisory

AWS GuardDuty Publishing Destination Deletion

Adversaries with administrative access to AWS GuardDuty may delete publishing destinations to break security finding exports, effectively blinding SOC monitoring without triggering detector-disabling alerts.

GuardDuty cloud aws defense-evasion
1r 1t
medium advisory

AWS CloudTrail Defense Evasion via DeleteTrail API

The deletion of AWS CloudTrail trails via the DeleteTrail API is a high-risk indicator of defense evasion or sabotage used to eliminate audit visibility.

CloudTrail cloud defense-evasion aws
1r 1t
medium advisory

Monitoring Unauthorized Amazon EKS Access Entry Modifications

Detection of unauthorized Amazon EKS Access Entry modifications via AWS CloudTrail, which may be used by attackers to achieve persistent access or privilege escalation in Kubernetes clusters.

Elastic Kubernetes Service cloud kubernetes persistence privilege-escalation aws
1r 1t
medium advisory

Abuse of AWS EC2 Export APIs for Data Exfiltration

Adversaries with compromised AWS credentials can exploit EC2 export APIs to copy entire virtual machine states or images to external storage for data exfiltration.

Elastic Compute Cloud +1 cloud exfiltration collection aws
1r 2t updated
medium advisory

Unauthenticated AWS S3 Bucket Access via Misconfigured Policies

Adversaries leverage misconfigured S3 bucket policies to perform unauthenticated data collection, discovery, and manipulation using tools like the AWS CLI without authentication.

Amazon S3 +1 cloud aws s3 collection discovery impact
4t updated
low advisory

AWS STS AssumeRole with New MFA Device

Adversaries may register new MFA devices for compromised AWS IAM roles to maintain persistence, escalate privileges, or facilitate lateral movement by assuming roles via the AWS Security Token Service (STS).

AWS Security Token Service +1 cloud aws persistence identity-audit
3t
high advisory

Suspicious Script Injection in AWS SageMaker Lifecycle Configurations

Threat actors are targeting AWS SageMaker notebook lifecycle configurations to achieve persistent, root-level code execution by injecting malicious scripts that trigger automatically upon instance startup.

SageMaker cloud aws persistence execution
2t
medium advisory

Detection of Unauthorized Public Exposure of AWS RDS Instances

Adversaries with compromised AWS credentials may set the publiclyAccessible attribute to true during RDS instance creation or modification to facilitate data exfiltration, establish persistence, or bypass internal network boundaries.

RDS aws cloud persistence defense-evasion
1r 2t
medium advisory

Abuse of AWS IAM Roles Anywhere via External Trust Anchors

Adversaries can establish persistent access to AWS environments by creating an IAM Roles Anywhere Trust Anchor using an unauthorized external Certificate Authority (CA) to sign forged client certificates.

AWS IAM Roles Anywhere cloud aws persistence iam
1r 2t
high advisory

AWS Root Account Persistence via CreateLoginProfile

Adversaries with temporary root access may invoke the CreateLoginProfile API without a username to establish persistent console password access for the AWS root principal.

AWS persistence cloud identity-and-access-audit
1r 2t
low advisory

Detection of Unauthorized Amazon Bedrock Foundation Model Access Attempts

Detection of failed API calls attempting to enable Amazon Bedrock foundation model access, serving as a high-signal indicator for credential boundary-testing and potential LLMjacking.

Bedrock cloud aws llmjacking persistence
1r 1t
high advisory

AWS Lateral Movement via Kubernetes Service Account Identity Exploitation

Adversaries are exploiting Kubernetes service account tokens exchanged for AWS IAM credentials via AssumeRoleWithWebIdentity to conduct unauthorized reconnaissance, credential theft, and persistent access within AWS environments.

AWS Elastic Kubernetes Service +3 cloud aws lateral-movement credential-access discovery
4t
medium advisory

Detection of Adversary-in-the-Middle Session Theft via Geographic Implausibility

This brief describes a method for detecting Adversary-in-the-Middle (AiTM) phishing and session theft in AWS environments by identifying IAM user console logins originating from geographically distinct locations within a short timeframe.

AWS Management Console +1 cloud-security aws session-theft identity
2t updated
medium advisory

Detecting S3 Ransomware via Cross-Account KMS Encryption

Adversaries leverage S3 CopyObject API calls to encrypt data within victim buckets using external, attacker-controlled KMS keys, effectively denying access to the bucket owner.

S3 +3 cloud aws ransomware impact
1t updated
high advisory

Abuse of AWS S3 SSE-C for Ransomware Extortion

Adversaries with compromised AWS credentials can abuse Server-Side Encryption with Customer-Provided Keys (SSE-C) to encrypt S3 objects with attacker-controlled keys, effectively holding organizational data for ransom.

S3 cloud aws ransomware
1r 1t
medium advisory

Abuse of AWS KMS DeleteImportedKeyMaterial for Data Sabotage

Adversaries can perform immediate data destruction in AWS by invoking the DeleteImportedKeyMaterial API, rendering all data protected by external-origin (BYOK) keys inaccessible without a recovery window.

AWS KMS cloud aws kms impact sabotage
1r 1t
high advisory

Detection of Unauthorized AWS Backup Recovery Point Deletion

Unauthorized deletion of AWS Backup recovery points via the DeleteRecoveryPoint API is an anti-recovery technique used by adversaries to prevent data restoration following destructive or ransomware attacks.

AWS Backup impact cloud-security aws ransomware
1r 1t
medium advisory

Detection of Unauthorized S3 Bucket Public Access Policies

Adversaries may modify Amazon S3 bucket policies to include a wildcard ('*') principal with 'Allow' permissions, effectively making bucket contents publicly accessible for data exfiltration.

S3 +1 cloud aws exfiltration collection
1r 2t updated
medium advisory

AWS RDS Database Snapshot Unauthorized External Sharing

Adversaries may exfiltrate sensitive data from AWS RDS by modifying snapshot attributes to share them with an external, attacker-controlled AWS account, enabling unauthorized offline access to the database content.

Amazon RDS cloud exfiltration aws rds
1r 1t
medium advisory

AWS ECR Repository or Registry Policy Granted Public Access

Detection of unauthorized configuration changes to AWS ECR policies that grant public access via wildcard principals, potentially leading to container image exfiltration or supply chain implantation.

Elastic Container Registry cloud aws exfiltration ecr
1r 1t
medium advisory

AWS EC2 EBS Snapshot Exfiltration via ModifySnapshotAttribute

Adversaries may exploit the ModifySnapshotAttribute API to share Amazon EBS snapshots with external accounts or the public, facilitating data exfiltration and unauthorized access to sensitive volume data.

Amazon Web Services +1 cloud exfiltration aws monitoring
1t
low advisory

Detection of Anomalous AWS DynamoDB Scan Operations

This detection brief identifies potential data exfiltration or unauthorized collection by monitoring for unusual AWS DynamoDB Scan operations performed by users or roles exhibiting non-typical behavior.

DynamoDB cloud aws exfiltration detection
3t
medium advisory

Detection of Anomalous Direct AWS Lambda Function Invocations

This threat brief details the risk of unauthorized or lateral movement via direct AWS Lambda function invocation by non-standard principals, highlighting detection methodologies for cloud environments.

AWS Lambda cloud aws lambda execution
1t
medium advisory

Detection of AWS EC2 Deprecated AMI Discovery

Detection of reconnaissance activity where AWS users or roles query the EC2 API for deprecated Amazon Machine Images, a technique used by adversaries to identify vulnerable or outdated system images for potential exploitation.

Amazon EC2 cloud-security discovery aws cloud exfiltration collection persistence defense-evasion
3r 7t updated
high advisory

LLMjacking via Compromised AWS Long-Term IAM Credentials

Adversaries are abusing stolen long-term AWS IAM access keys to perform unauthorized reconnaissance and high-cost model inference within Amazon Bedrock.

Amazon Bedrock cloud llm aws llmjacking identity-audit
1r 2t
medium advisory

Detection of Unauthorized AWS WAF Rule Deletion

Adversaries may delete AWS WAF rules or rule groups via API to impair security boundaries and facilitate follow-on exploitation of web applications.

AWS WAF cloud aws defense-evasion
1r 1t
medium advisory

AWS SQS PurgeQueue Defense Evasion

Adversaries may use the PurgeQueue action in AWS Simple Queue Service (SQS) to permanently delete all messages within a queue to disrupt operations, destroy forensic evidence, or evade detection.

Simple Queue Service cloud defense-evasion impact aws
1r 2t
high advisory

Detection of AWS Route 53 Resolver Query Log Deletion

Adversaries may delete Amazon Route 53 Resolver Query Log configurations to evade detection by disabling DNS query and response logging for VPC-based resources.

Route 53 cloud aws defense-evasion log-auditing persistence resource-development
2r 3t
medium advisory

Detection of Unauthorized AWS RDS Instance Restoration

Threat actors with compromised AWS credentials may use RDS restoration operations to duplicate sensitive database environments, facilitating unauthorized data access, staging, and exfiltration while bypassing production monitoring controls.

Relational Database Service cloud defense-evasion collection aws
1r 3t
medium advisory

Detection of Anomalous AWS IAM Long-Term Access Key Usage

This brief describes a detection capability for identifying potentially unauthorized programmatic access by monitoring for successful AWS IAM long-term access key usage originating from previously unseen source IP addresses.

AWS IAM +1 cloud aws credential-access initial-access
2t
high advisory

Detection of Unauthorized AWS EC2 GetPasswordData API Access

Adversaries may attempt to retrieve EC2 administrator passwords via the GetPasswordData API to facilitate privilege escalation or lateral movement within AWS environments.

AWS EC2 +3 aws cloud credential-access identity-and-access-audit incident-response ransomware persistence defense-evasion +4
5r 10t updated
low advisory

Monitoring AWS CloudTrail Creation for Unauthorized Log Diversion

Adversaries may use the CreateTrail API to establish unauthorized logging configurations that redirect audit data to attacker-controlled destinations or circumvent existing monitoring controls.

AWS CloudTrail +1 cloud aws log-auditing discovery cloudtrail
1r 4t updated
medium advisory

Abuse of AWS Systems Manager Session Manager for Remote Execution

Adversaries abuse AWS Systems Manager (SSM) Session Manager to gain interactive shell access and perform remote command execution on EC2 instances or managed hybrid nodes.

AWS Systems Manager +1 cloud-security remote-execution lateral-movement cloud aws discovery reconnaissance
2r 5t updated
high advisory

Abuse of AWS Systems Manager for Remote LOLBin Execution

Adversaries are abusing the AWS Systems Manager SendCommand API to remotely execute commands on EC2 instances by leveraging legitimate system utilities (LOLBins) to bypass CloudTrail parameter redaction.

EC2 +2 cloud linux aws living-off-the-land execution command-and-control defense-evasion cloud-administration-command
1r 4t
high advisory

Cross-Environment Secret Harvesting via Cloud APIs

Adversaries are utilizing compromised credentials and stolen session tokens to perform rapid, automated secret harvesting across AWS, GCP, Azure, and Kubernetes environments from singular source IP addresses.

AWS Secrets Manager +3 credential-access cloud identity-theft
1t
high advisory

Detection of Multi-Cloud CLI Token and Credential Harvesting

Threat actors harvest cloud and container platform authentication tokens by abusing legitimate CLI utilities to output secrets to standard streams, which can be detected via anomalous multi-provider access patterns.

Google Cloud SDK +6 credential-access cloud-security supply-chain
2t updated
high advisory

Credential Exfiltration in AWS AgentCore Harness via Default Shell Tool

Default configurations in AWS AgentCore Harness enable a root-privileged shell tool that, when combined with prompt injection, allows attackers to exfiltrate plaintext credentials from the agent runtime.

AWS AgentCore Harness agentic-ai cloud-security exfiltration prompt-injection
2t
medium advisory

Unauthorized Access to Sensitive Files in AWS S3

This detection brief addresses the risk of unauthorized access to sensitive credential and secret files stored in AWS S3 buckets, a common tactic for credential harvesting and lateral movement.

AWS S3 +1 cloud-security credential-access aws exfiltration s3 cloud discovery impact +1
3r 6t updated
medium advisory

Detection of SSRF Attempts Targeting Cloud Metadata Services

This detection rule identifies server-side request forgery (SSRF) attempts targeting cloud instance metadata endpoints (IMDS) across multiple web server platforms to harvest cloud credentials.

AWS EC2 Instance Metadata Service +2 ssrf cloud-security credential-access
1r 2t
medium advisory

Detecting Identity Masquerading via Behavioral Clustering

Security researchers have developed a behavioral clustering model using unsupervised machine learning to differentiate between legitimate cloud functional roles and attackers masquerading as authorized identities.

AWS Identity and Access Management +1 cloud-security identity-access-management behavior-analysis detection-engineering
1t
high advisory

Generative Threat Groups Automating Cyber Operations with AI

Anthropic has documented multiple threat actors leveraging AI models to automate end-to-end cyberattack workflows including reconnaissance, vulnerability research, credential harvesting, and large-scale data exfiltration.

AWS EC2 +2 ai-threat cyber-espionage surveillance reconnaissance data-exfiltration
3t
medium advisory

AWS Root Console Password Spraying Campaign

Threat actors are performing password spraying against AWS root accounts by distributing authentication attempts across multiple AWS accounts from a single source IP to evade lockout mechanisms.

AWS Management Console credential-access cloud identity aws
1t
medium advisory

Defense Evasion via Disabling AWS Security Hub

Threat actors disable AWS Security Hub to suppress centralized security findings and compliance monitoring, facilitating stealthy data exfiltration or ransomware deployment.

AWS Security Hub cloud-security defense-evasion aws
1r 1t
medium advisory

Abuse of AWS SES Account-Level Email Sending

Threat actors with compromised AWS credentials may enable account-level email sending in Amazon SES to restore suspended infrastructure for mass phishing campaigns.

AWS SES cloud aws resource-development ses
1r 1t
high advisory

AWS S3 Bucket MFA Delete Disablement

Adversaries may disable MFA Delete on versioned Amazon S3 buckets to enable the permanent destruction of object version history, a critical step in ransomware attacks targeting cloud-native backups.

AWS S3 +1
1r 1t updated
low advisory

Detection of AWS Backup Resource Enumeration via Long-Term Access Keys

Adversaries may use compromised long-term IAM access keys (AKIA* prefix) to enumerate AWS Backup vaults, plans, and protected resources as a precursor to ransomware activities.

AWS Backup cloud aws discovery ransomware
1r 1t
medium advisory

Detection of Anomalous AWS Service Quota Increases

Adversaries with compromised AWS credentials may request service quota increases to facilitate large-scale malicious operations, detectable by identifying rare identities invoking the RequestServiceQuotaIncrease API.

AWS Service Quotas cloud aws resource-development cloudtrail
1t
medium advisory

AWS Organizations Delegated Administrator Registration

An attacker with compromised credentials possessing 'organizations:RegisterDelegatedAdministrator' permissions can escalate privileges by designating an attacker-controlled member account as a delegated administrator for sensitive services to gain organization-wide control.

AWS Organizations cloud aws organizations persistence privilege-escalation
1r 2t
medium advisory

AWS Bedrock AgentCore Privilege Escalation via IAM Role Assumption

Attackers with iam:PassRole and Bedrock resource creation permissions can escalate privileges by creating AgentCore resources with attached high-privilege IAM roles.

AWS Bedrock cloud aws privilege-escalation persistence
1r 2t
medium advisory

Unusual Attachment of AmazonSESFullAccess Policy in AWS

Threat actors may attach the AmazonSESFullAccess policy to IAM entities to establish phishing infrastructure and send emails using a victim organization's verified domain.

AWS IAM +1 persistence resource-development aws iam
1r 2t
medium advisory

Detection of AWS SES Identity Verify-Use-Delete Abusive Pattern

Adversaries with unauthorized access to AWS Simple Email Service (SES) credentials may verify an attacker-controlled identity, send phishing or spam emails, and promptly delete the identity to evade detection and attribution.

Simple Email Service +2 cloud aws ses resource-development defense-evasion discovery credential-abuse
1r 3t updated
low advisory

Defense Evasion via Deletion of Amazon Detective Behavior Graphs

Attackers with high-level IAM permissions may delete Amazon Detective behavior graphs to impair forensic investigations by destroying historical relationship mapping and telemetry analysis data.

Amazon Detective cloud aws defense-evasion forensic-obstruction
1r 1t
medium advisory

Abuse of Amazon EKS Access Entries for Persistent Backdoor Establishment

Adversaries with EKS administrative permissions may exploit EKS access entries to temporarily grant themselves cluster-admin access, establish persistent Kubernetes RBAC backdoors, and delete the access entry to conceal their activity.

Elastic Kubernetes Service cloud kubernetes persistence
1r 1t
medium advisory

Detection of Unauthorized AWS GuardDuty Threat Intelligence Set Deletion

Adversaries may delete Amazon GuardDuty threat intelligence sets to blind detection capabilities by removing custom feeds of known-malicious IP addresses and domains.

GuardDuty
1r 1t
high advisory

Kubernetes Pod Exec Exploitation of Cloud Instance Metadata

Threat actors utilize Kubernetes pod exec sessions to query cloud instance metadata endpoints for credential harvesting and unauthorized access to cloud environment resources.

AWS IMDS +2
2t 2i
medium advisory

AWS IAM Privilege Escalation via Policy Version Manipulation

Attackers with IAM policy management permissions can escalate privileges by creating permissive policy versions or switching the default version of an existing customer-managed policy.

AWS IAM cloud identity aws privilege-escalation
1r 3t
medium advisory

Detection of Unauthorized AWS Route 53 Private Hosted Zone Associations

Adversaries with high-level IAM permissions may associate unauthorized VPCs with AWS Route 53 private hosted zones to intercept internal DNS traffic, establish persistence, or perform reconnaissance.

AWS Route 53 +1 aws cloud persistence route53
1r 3t updated
high advisory

Abuse of AWS IAM CreateAccessKey API for Persistence

Adversaries with compromised credentials may abuse the AWS IAM CreateAccessKey API to establish persistence or escalate privileges by generating new programmatic keys for other IAM users.

AWS Identity and Access Management cloud aws persistence privilege-escalation iam
2t
high advisory

Detection of Suspicious AWS API Activity via Offensive Tooling User Agents

This brief details the detection of successful AWS API calls utilizing user-agent fingerprints associated with Kali Linux or TruffleHog, which are commonly indicative of credential testing or unauthorized access attempts.

AWS cloud initial-access defense-evasion
1r 2t
medium advisory

Suspension of Amazon S3 Object Versioning

Adversaries may suspend Amazon S3 object versioning to inhibit system recovery, facilitate unauthorized data destruction, or prepare for ransomware deployment.

S3
1r 1t
medium advisory

AWS RDS Deletion Protection Disabled

Adversaries with elevated IAM permissions may disable deletion protection on AWS RDS instances or clusters as a prerequisite for unauthorized data destruction.

RDS +1 cloud aws impact defense-evasion
1r 2t updated
medium advisory

Detection of Unauthorized Amazon RDS Instance and Cluster Deletion

Adversaries with compromised credentials may delete Amazon RDS DB instances or Aurora clusters to cause permanent data loss, disrupt operations, or destroy forensic evidence.

Amazon RDS +1 impact aws cloud-security
1r 1t
medium advisory

AWS KMS Customer Managed Key Lifecycle Manipulation

Adversaries may disable or schedule the deletion of AWS KMS keys to sabotage business operations, render encrypted data unrecoverable, and obstruct forensic investigation or incident response efforts.

AWS Key Management Service +1 impact cloud-security aws-kms incident-response
1r 1t updated
medium advisory

Monitoring Unauthorized Amazon EFS File System Deletion

Adversaries with high-privilege access can leverage the DeleteFileSystem API to permanently destroy data, disrupt cloud-native applications, or remove forensic evidence.

Elastic File System cloud-security impact aws data-destruction
1r 1t
medium advisory

Detection of Unauthorized Amazon CloudWatch Log Stream Deletion

Adversaries may invoke the DeleteLogStream API to permanently destroy log data, impairing security monitoring and concealing malicious activity during post-exploitation.

CloudWatch cloud-security impact defense-evasion
1r 2t
low advisory

Detection of Rare AWS SNS Protocol Subscriptions

Adversaries may exploit AWS SNS by subscribing to topics using rare or unauthorized protocols to exfiltrate sensitive data or establish command-and-control communication channels.

AWS Simple Notification Service cloud aws exfiltration sns cloud-security
4t
low advisory

Detection of Unauthorized AWS Lambda Layer Modifications

Adversaries with compromised credentials may modify AWS Lambda configurations by injecting unauthorized layers to establish persistence, run arbitrary code, or intercept data.

AWS Lambda +1 cloud aws lambda persistence execution
1r 2t updated
medium advisory

Detection of Unauthorized AWS STS GetCallerIdentity Discovery

Adversaries with compromised credentials may abuse the AWS STS GetCallerIdentity API to verify access and identify the current account context, serving as a primary indicator of initial cloud reconnaissance.

AWS Security Token Service cloud aws cloudtrail discovery credential-abuse
1r 2t
medium advisory

AWS WAF Web ACL Deletion Defense Evasion

Adversaries with high-level privileges may delete AWS Web Application Firewall (WAF) Web ACLs to disable security controls and facilitate unauthorized access to protected applications.

AWS WAF defense-evasion cloud-security aws waf
1r 1t
medium advisory

Monitoring Unauthorized AWS Security Group Modifications

Adversaries modify AWS VPC security group ingress rules to permit unrestricted external access to sensitive management ports, facilitating remote access or future exploitation of cloud instances.

EC2 +2
1r 2t updated
medium advisory

Abuse of S3 Bucket Lifecycle Expiration for Defense Evasion

Adversaries can abuse Amazon S3 lifecycle expiration configurations to automate the deletion of logs and forensic evidence, hindering incident investigation and response.

Amazon S3 cloud aws defense-evasion cloud-security exfiltration persistence
1r 6t
low advisory

Detection of Malicious AWS S3 Bucket Configuration Deletion

Adversaries targeting AWS environments may delete critical S3 bucket configurations, such as policies, encryption, and lifecycle rules, to impair security controls and conceal malicious activity.

S3 cloud aws defense-evasion impact
1r 2t
medium advisory

AWS EC2 Network ACL Deletion Defense Evasion

Adversaries may delete AWS EC2 Network Access Control Lists (ACLs) or their ingress/egress entries to disable network-level security controls and facilitate unauthorized access or data exfiltration.

AWS EC2 cloud defense-evasion aws discovery credential-access ebs encryption impact +1
5r 9t
medium advisory

Detection of Potential Credential Access via AWS SSM SecureString Decryption

This detection monitors for the first occurrence of an AWS identity accessing AWS Systems Manager (SSM) SecureString parameters with the decryption flag enabled, indicating potential unauthorized retrieval of stored sensitive credentials.

AWS Systems Manager credential-access cloud aws monitoring
1r 1t
medium advisory

Detection of Unauthorized AWS Secrets Manager Credential Retrieval

An adversary who has compromised an AWS service instance, such as EC2 or Lambda, may leverage assigned IAM roles to programmatically retrieve sensitive credentials from AWS Secrets Manager using the GetSecretValue API.

AWS Secrets Manager +2
1r 1t
medium advisory

Detection of Potential Prompt Injection in AWS Bedrock Claude

This detection identifies potential prompt injection or jailbreak attempts against Amazon Bedrock Claude models by monitoring for linguistic patterns designed to override system instructions or bypass safety guardrails.

Bedrock cloud ai-security prompt-injection aws
1t
medium advisory

Detection of Potential Cross-Region Inference Abuse in Amazon Bedrock

Detection of potential cross-region inference abuse in Amazon Bedrock Claude models, which may indicate attempts to bypass regional security controls or perform unauthorized data processing.

Amazon Bedrock cloud aws bedrock claude ai-security
1t
high advisory

Command Injection in jsii-diff via NPM Package Specifiers

The jsii-diff tool fails to sanitize inputs provided with an 'npm:' prefix, allowing unauthenticated attackers to execute arbitrary shell commands via crafted package specifiers.

jsii-diff
1t 1c
high advisory

AWS SageMaker Execution Role Privilege Escalation via PassRole

An adversary with SageMaker resource-creation rights and broad iam:PassRole permissions can escalate privileges by passing highly privileged IAM roles to SageMaker notebook instances, training, processing, or pipeline jobs.

AWS SageMaker cloud aws privilege-escalation sagemaker
1t
medium advisory

Detection of Unusual AWS IAM Guardrail Policy Deletion

This threat brief identifies a detection strategy for attackers attempting defense evasion or persistence by deleting sensitive AWS IAM managed policies using previously unseen identities.

AWS IAM cloud defense-evasion persistence aws iam
1r 2t
medium advisory

Unusual AWS Batch Job Container Command Override Detection

This detection targets the abuse of AWS Batch 'containerOverrides.command' parameters by infrequent users to inject malicious commands or data exfiltration logic into production compute environments.

AWS Batch cloud aws batch cloudtrail execution
1r 1t
critical advisory

Arbitrary Code Execution in AWS Amplify Studio via Input Validation Flaw

The amplify-codegen-ui package is vulnerable to arbitrary code execution due to insufficient input validation during the component expression-binding process, allowing authenticated users to inject malicious JavaScript.

amplify-codegen-ui +1 supply-chain rce amplify
1t 1c
medium advisory

Detection of Unauthorized AWS NACL Modification by New Identities

Adversaries may modify AWS Network Access Control Lists (NACLs) to allow all traffic, effectively disabling network-layer defenses to facilitate lateral movement or data exfiltration, a behavior this detection identifies when performed by previously unseen identities.

AWS EC2 aws cloud defense-evasion
1t
medium advisory

AWS S3 Bucket ACL Modification to Public Access by New Identity

Detection of unauthorized S3 bucket ACL modifications to public-read or public-read-write by previously unseen identities, potentially indicating credential compromise for data exfiltration.

AWS S3 +1 cloud aws collection s3
1r 1t updated
high advisory

AgentCore CLI Code Injection Vulnerability

The AgentCore CLI is vulnerable to arbitrary code execution due to improper escaping of metadata when importing Amazon Bedrock agents, allowing attackers to inject malicious Python code into generated files.

AgentCore CLI code-injection supply-chain amazon-bedrock cve-2026-11393
1t 1c
medium advisory

Cloud Credential Search in Containers Detected

An attacker using system search utilities like `grep` or `find` within a containerized environment to locate cloud credentials (AWS, Azure, GCP) indicates an attempt to gain unauthorized access to sensitive cloud resources or perform a container breakout to compromise the underlying cloud infrastructure.

Amazon Web Services +2 container credential-access discovery cloud linux
1r 2t
medium advisory

AWS Bedrock Guardrail Deleted

A detection rule has been developed for Amazon Bedrock that identifies the deletion of guardrails, indicating a potential attempt by an attacker or insider to disable AI model safety controls and facilitate unsafe or unauthorized responses.

AWS Bedrock aws cloud-security defense-impairment cloud ai llm defense-evasion
2r 2t
medium advisory

AWS IAM Session Token Used from Multiple Addresses

This threat brief describes a detection for suspicious activity where an AWS IAM user's temporary session token is accessed from multiple distinct IP addresses, networks, cities, and user agents within a short timeframe, indicating potentially compromised credentials used for initial access and resource manipulation.

AWS IAM +1 cloud aws initial-access identity-and-access-audit
1t
low advisory

AWS S3 Rapid Bucket Posture API Calls from a Single Principal

This detection rule identifies suspicious activity in AWS environments where a single principal, from a consistent source IP, rapidly performs read-only S3 control-plane API calls across more than 15 distinct S3 buckets within a 10-second window, indicative of automated reconnaissance, security scanning, or post-compromise enumeration aiming to map S3 bucket access, policies, and versioning.

S3 +2 aws cloudtrail discovery collection reconnaissance cloud
4t updated
low advisory

AWS Account Discovery By Rare User

A new detection rule identifies rare instances where an identity performs AWS Organizations or IAM account enumeration APIs for the first time within a specified lookback window, indicative of an attacker attempting to map the AWS environment after compromising credentials.

AWS Organizations +1 cloud aws discovery identity reconnaissance
1r 2t
low advisory

AWS CLI Discovery from Single Resource

An Elastic detection rule identifies when a single AWS identity, using the AWS CLI, performs more than five distinct read-only discovery API calls (such as Describe*, List*, Get*, and Generate*) across various AWS services within a 10-second window, indicating reconnaissance by an adversary using compromised credentials or an exploited EC2 instance to map the AWS infrastructure for potential targets and further exploitation.

AWS +13 cloud discovery reconnaissance cli
2t
high advisory

Privilege Escalation in AWS Advanced JDBC Wrapper for Aurora PostgreSQL

A privilege escalation vulnerability (CVE-2026-11400) exists in the AWS Advanced JDBC Wrapper for Amazon Aurora PostgreSQL, affecting versions 3.0.0 through 4.0.0. A low-privileged authenticated user can craft a function to execute with rds_superuser permissions.

AWS Advanced JDBC Wrapper +1 privilege-escalation vulnerability cloud aws postgresql
1c
medium advisory

AWS Attempt to Leave Organization

An adversary attempting to remove an AWS member account from its AWS Organization via the LeaveOrganization API constitutes a critical defense evasion maneuver, as it strips the account of security controls and centralized monitoring, requiring immediate investigation by detection engineers.

AWS Organizations cloud aws defense-evasion impact threat-detection
1r 2t
medium advisory

AWS IAM User Console Login Without MFA

This brief identifies successful logins to the AWS Management Console by standard IAM users without Multi-Factor Authentication (MFA). It focuses on the first observed occurrence within a 7-day history window for each user. An adversary who obtains a user's password can gain access if MFA is not enforced, representing a significant initial access vector. This event signals a critical posture gap that allows adversaries to achieve initial access using compromised credentials, leading to potential privilege escalation, data exfiltration, or resource deployment.

AWS Management Console +1 cloud initial-access aws identity-and-access-management mfa-bypass
1r 1t
high advisory

AWS Potential Cryptomining via ECS Task Definition Deployment

Adversaries, after compromising AWS credentials, deploy cryptomining operations on Amazon ECS and AWS Fargate by registering task definitions with public high-CPU container images and then launching them, leading to unauthorized resource consumption and increased cloud costs.

Amazon ECS +1 cloud aws cryptomining resource-hijacking ecs fargate
1t 5i
high advisory

Abuse of AWS Bedrock AgentCore Execution Role Credentials for Cloud Privilege Escalation

Anomalous AWS API calls by an Amazon Bedrock AgentCore execution role indicate potential credential exfiltration and abuse for cloud privilege escalation, lateral movement, or reconnaissance outside its intended runtime environment.

Amazon Bedrock AgentCore +1 cloud-security aws bedrock privilege-escalation credential-access microvm code-interpreter
1r 2t
high advisory

AWS IAM OpenID Connect Provider Creation by Rare User

Adversaries with administrative access to an AWS account may create rogue OpenID Connect (OIDC) Identity Providers to establish persistent, federated access that bypasses credential rotation and allows them to assume IAM roles using tokens from an attacker-controlled Identity Provider.

IAM +1 cloud-security persistence privilege-escalation defense-evasion aws
1r 3t updated
high advisory

AWS IAM Virtual MFA Device Registration Attempt with Session Token

Adversaries are exploiting compromised temporary AWS session credentials (access keys starting with 'ASIA') to register or enable virtual MFA devices, establishing persistence and maintaining access to high-privilege accounts even after credential rotation or password resets.

IAM +3 cloud aws persistence identity-and-access-audit
1r 3t updated
high advisory

AWS SNS Topic Message Published by Rare User

This high-severity threat involves adversaries publishing messages to an AWS SNS topic using compromised credentials, identified when a user or role performs this action for the first time, potentially facilitating phishing campaigns, data exfiltration, or lateral movement within an AWS environment.

AWS SNS +1 cloud aws lateral-movement exfiltration impact command-and-control
1r 4t
high advisory

AWS IAM Multi-Factor Authentication Device Deactivation

Adversaries or compromised administrators may deactivate Multi-Factor Authentication (MFA) devices in AWS Identity and Access Management (IAM) by executing a successful `DeactivateMFADevice` API call, significantly weakening account security, disabling strong authentication, and paving the way for unauthorized access, privilege escalation, or persistence.

AWS Identity and Access Management cloud aws iam impact persistence defense-evasion
1r 3t
high advisory

AWS RDS Snapshot Export for Data Exfiltration

An adversary can leverage the AWS `rds:StartExportTask` API to export sensitive RDS database snapshots or DB cluster data to an attacker-controlled Amazon S3 bucket, facilitating data exfiltration and potential data theft from organizations.

Amazon RDS +1 cloud aws exfiltration data-theft rds s3
1r 1t
high advisory

AWS EC2 AMI Shared with Another Account

Adversaries with existing AWS access may exfiltrate sensitive data by sharing Amazon Machine Images (AMIs) containing secrets, bash histories, or code artifacts with external, attacker-controlled AWS accounts, detectable via `ModifyImageAttribute` actions in AWS CloudTrail logs.

Amazon EC2 +3 cloud aws exfiltration ami
1r 1t 4i updated
high advisory

AWS DynamoDB Table Exported to S3

Adversaries may exfiltrate sensitive data by leveraging compromised AWS credentials to perform the DynamoDB ExportTableToPointInTime operation, moving database contents into an Amazon S3 bucket, which facilitates unauthorized collection and exfiltration of information.

DynamoDB +1 aws cloud exfiltration
1r 2t
high advisory

AWS SSM Command Document Created by Rare User

Adversaries may leverage AWS Systems Manager (SSM) command document creation by rare or unusual users to execute arbitrary commands on managed instances, potentially leading to unauthorized access, command and control, or data exfiltration.

AWS Systems Manager +1 cloud aws execution
1r 1t
high threat

AWS Discovery API Calls from VPN ASN for the First Time by Identity

This threat detection rule identifies initial reconnaissance activities within AWS by flagging an IAM principal's first-time invocation of sensitive discovery APIs, such as GetCallerIdentity, ListUsers, ListBuckets, and DescribeInstances, when the originating IP address is associated with consumer VPNs, high-usage hosting providers, or networks linked to threat groups like TeamPCP, indicating an attacker performing enumeration of cloud resources from a suspicious network origin.

AWS CloudTrail +12 TeamPCP aws-cloudtrail iam discovery cloud identity threat-detection
1r 2t 22i updated
high advisory

AWS S3 Bucket Server Access Logging Disabled

Adversaries disable Amazon S3 server access logging by performing the PutBucketLogging API call without the LoggingEnabled parameter, aiming to impair defensive visibility and hide subsequent malicious activities such as data exfiltration or manipulation.

Amazon S3 cloud aws s3 defense-evasion logging
1r 1t
high advisory

AWS GuardDuty Member Account Manipulation

Adversaries manipulate Amazon GuardDuty member accounts within an AWS organization by using API calls such as `DisassociateFromAdministratorAccount`, `DeleteMembers`, `StopMonitoringMembers`, or `DeleteInvitations` to break centralized security visibility, enabling them to operate undetected in compromised member accounts.

Amazon GuardDuty +1 cloud aws defense-evasion amazon-guardduty
1r 1t updated
high advisory

AWS EKS Control Plane Logging Disabled

Elastic identified a defense evasion technique where an attacker, having gained unauthorized access, issues an UpdateClusterConfig request to disable Amazon EKS control plane logging, significantly reducing visibility into subsequent malicious cluster activity.

Amazon EKS cloud kubernetes aws defense-evasion
1r 1t
medium advisory

AWS Bedrock Model Prompt or Completion Containing Credentials

A detection rule identifies AWS access key IDs, Amazon Bedrock API keys, PEM private-key blocks, and GitHub/GitLab tokens within Amazon Bedrock model prompts or completions, indicating a critical credential exposure event through misconfiguration, data leakage, or prompt injection that necessitates immediate secret rotation and investigation.

Amazon Bedrock +2 llm aws bedrock credential-access data-leakage prompt-injection
1r 1t
medium advisory

This rule detects changes to AWS CloudTrail configurations that could indicate a security risk, specifically disabling or altering trails, or failing a security configuration check. Such actions can significantly reduce visibility into AWS activity.

AWS CloudTrail attack.impact attack.defense_evasion attack.t1562.001 attack.t1562.006
3r
high advisory

AWS Bedrock AgentCore Runtime Prompt Targeting Credentials or Instance Metadata

This rule detects prompts sent to Amazon Bedrock AgentCore runtimes that attempt to harvest credentials or exfiltrate data by referencing cloud instance metadata services, explicit AWS access/secret keys, or combining prompt-injection/jailbreak language with intent to reveal secrets or send data to external endpoints, indicating an attempt to weaponize the agent for credential theft.

Amazon Bedrock AgentCore cloud-security llm ai prompt-injection credential-access data-exfiltration
1r 1t 2i
medium advisory

Potential AWS S3 Bucket Ransomware Note Uploaded

Adversaries exploit misconfigured AWS S3 buckets or compromised credentials to upload ransomware notes, often after deleting or encrypting data, aiming to extort victims.

Amazon S3 cloud aws s3 ransomware impact data-destruction
1r 3t 2i
high advisory

Security Risks Associated with AI Coding Tools, Including GhostApproval Vulnerability

The adoption of AI coding tools introduces significant security risks, such as the generation of vulnerable code with OWASP Top 10 flaws, the inadvertent leakage of sensitive secrets and hardcoded credentials, and supply chain compromise via 'slopsquatting,' alongside specific vulnerabilities like 'GhostApproval' which allows remote code execution on developer machines.

ai coding-tools supply-chain vulnerability rce credential-exposure
3t
high advisory

Shai-Hulud Campaign Activity

Tracking brief for the Shai-Hulud campaign; individual sightings are folded in as reported.

jscrambler 8.14.0 +102 campaign shai-hulud
20i updated
high advisory

AWS Bedrock API Key Phantom User Activity Outside Bedrock

An Amazon Bedrock API key phantom user (IAM user starting with 'BedrockAPIKey-*') performing non-Bedrock API calls, such as to IAM, STS, EC2, VPC, or KMS, indicates credential misuse and realized privilege escalation by an attacker using added standard IAM access keys for reconnaissance or lateral movement beyond the intended Bedrock authentication boundary.

AWS Bedrock +5 cloud-security privilege-escalation aws bedrock iam
1r 1t
medium advisory

AWS Lambda Event Source Mapping Abuse for Persistence and Data Exfiltration

Adversaries can exploit the creation of AWS Lambda event source mappings to establish stealthy persistence and execution, or to continuously siphon records from event sources like Amazon SQS, Kinesis, DynamoDB, MSK, Kafka, or MQ, by mapping an event source to an attacker-controlled Lambda function, enabling durable execution and data exfiltration without requiring further interactive access.

AWS Lambda +6 cloud aws persistence execution data-exfiltration
1r 3t
high advisory

AWS Lambda Function URL Created with Public Access

Adversaries may establish a persistent, internet-reachable entry point by creating or updating an AWS Lambda function URL with an authentication type of NONE, allowing unauthenticated invocation for command and control, data exfiltration, or on-demand code execution, thereby bypassing the need for valid AWS credentials.

AWS Lambda cloud aws persistence defense-evasion
1r 3t
medium advisory

AWS Lambda Function Invoked by Unusual Principal

Detects the first direct invocation of an AWS Lambda function by a principal within a 14-day period, excluding AWS service invocations, which can indicate adversary lateral movement, credential abuse, or unauthorized data retrieval in AWS environments.

AWS Lambda cloud aws lambda execution lateral-movement
1r 1t
high advisory

AWS Backup Recovery Point Deletion as Anti-Recovery Tactic

Adversaries are leveraging the AWS Backup `DeleteRecoveryPoint` API call by non-service principals to remove critical data backups, a high-signal anti-recovery technique observed in ransomware and data-destruction attacks that prevents victims from restoring associated data.

AWS Backup cloud aws anti-recovery ransomware data-destruction
1r 1t
medium advisory

AWS IAM Permissions Boundary Modification for Privilege Escalation

An adversary can achieve privilege escalation within an AWS environment by modifying or removing an existing IAM permissions boundary on an IAM user or role, thereby unlocking previously restricted permissions defined in attached identity policies.

AWS IAM cloud aws iam privilege-escalation identity threat-detection
1r 1t
medium advisory

AWS IAM Inline Policy Added to a Group

Adversaries can escalate privileges and establish persistence within AWS by leveraging the `PutGroupPolicy` API call to attach an inline policy to an IAM group, granting broad permissions to all group members, including themselves.

AWS IAM aws cloud privilege-escalation persistence identity
1r 2t
medium advisory

AWS IAM Login Profile Created or Modified for an IAM User

This rule detects the creation or modification of console login profiles for AWS IAM users via the CreateLoginProfile or UpdateLoginProfile APIs. Adversaries with stolen programmatic credentials can use these actions to establish persistent interactive console access, reset other users' passwords to take over accounts, and maintain access even after original access keys are rotated. Since IAM user console access is increasingly managed through federation or IAM Identity Center, direct use of these APIs, especially by unexpected principals, warrants investigation as a strong indicator of persistence or account compromise.

AWS IAM +1 cloud aws persistence identity
1r 1t
high advisory

AWS SageMaker Notebook Lifecycle Configuration With Suspicious Script Content

This brief details how attackers can leverage compromised AWS credentials to inject malicious, base64-encoded scripts into Amazon SageMaker notebook lifecycle configurations, which then execute as root on notebook instances, enabling persistence, credential theft, or further compromise of the AWS environment.

Amazon SageMaker cloud aws sagemaker persistence execution backdoor credential-theft
2t
medium advisory

AWS ECR Repository or Registry Policy Granted Public Access

A malicious actor or misconfigured legitimate user can modify an Amazon ECR repository or registry policy to grant public access using a wildcard principal (`Principal:"*"`), which can lead to the exfiltration of proprietary container images and embedded secrets, or facilitate supply-chain implantation if push permissions are also granted.

Amazon ECR cloud aws ecr exfiltration supply-chain
1r 1t
medium advisory

Web Server Cloud Metadata SSRF Exploitation

Attackers are actively exploiting Server-Side Request Forgery (SSRF) vulnerabilities in public-facing web applications to access cloud instance metadata services, such as those on AWS, GCP, and Azure, to harvest temporary credentials and sensitive instance details.

AWS +8 ssrf cloud-security web-exploitation credential-access initial-access webserver
1r 2t 7i
critical advisory

Lemur 1.9.0 Server-Side Request Forgery and IDOR Lead to AWS IAM Compromise

A low-privilege user with a freshly-provisioned SSO account in Netflix's Lemur certificate management service (versions <= 1.9.0) can exploit a Server-Side Request Forgery (SSRF) vulnerability in the ACME authority creation endpoint to reach the AWS EC2 Instance Metadata Service (IMDS), exfiltrating AWS STS credentials, and leveraging a creator-equality Insecure Direct Object Reference (IDOR) vulnerability for permanent access to PKI private keys, resulting in AWS IAM compromise and persistent certificate access.

github.com/Netflix/lemur <= 1.9.0 +2 ssrf idor aws iam pki credential-access exfiltration webserver
2r 5t 5i
high advisory

CVE-2026-12957: Amazon Q VS Code Extension Arbitrary Code Execution

A high-severity vulnerability (CVE-2026-12957) in the Amazon Q Developer Extension for Visual Studio Code allowed attackers to achieve arbitrary code execution and cloud credential theft by automatically loading and executing malicious Model Context Protocol (MCP) server configurations from a `.amazonq/mcp.json` file in a repository without user consent, providing full access to a developer's environment and cloud credentials.

PoC Amazon Q Developer Extension for Visual Studio Code +5 vulnerability code-editor cloud rce vs-code supply-chain
1r 4t 1c 2i updated
high advisory

Kubernetes and Cloud Credential Path Access via Process Arguments

This rule detects Linux process executions that access high-value Kubernetes service-account material, kubeconfig or node PKI paths, or common cloud files, potentially indicating credential theft within in-cluster and hybrid environments.

Amazon EKS +6 credential-access threat-detection kubernetes cloud linux
3r 2t
high advisory

AWS AssumeRoleWithWebIdentity from Kubernetes SA and External ASN

Detects successful AWS AssumeRoleWithWebIdentity where the caller identity is a Kubernetes service account and the source autonomous system organization is not Amazon.com, Inc., potentially indicating a stolen or misused service-account token being used off-cluster.

Amazon Web Services aws cloudtrail iam eks irsa initial-access
2r 1t
medium advisory

AWS SSM Session Manager Child Process Execution

This rule detects process start events where the parent process is the AWS Systems Manager (SSM) Session Manager worker, which can indicate remote execution and lateral movement by adversaries abusing legitimate AWS credentials.

AWS Systems Manager aws ssm execution cloud
3r 3t
high advisory

CIFSwitch Linux Kernel Local Privilege Escalation Vulnerability

The CIFSwitch vulnerability in the Linux kernel allows an unprivileged user to forge CIFS authentication key descriptions, abuse the kernel's key request mechanism, and gain root privileges by loading a malicious NSS module.

Linux Mint +12 privilege-escalation linux cifs kernel
2r 1t
critical advisory

Amazon Redshift Python Driver Remote Code Execution via eval() Injection (CVE-2026-8838)

The amazon-redshift-python-driver versions 2.1.13 and earlier is vulnerable to remote code execution (CVE-2026-8838) due to insufficient validation of server data during query result processing, potentially allowing a rogue server or man-in-the-middle to execute arbitrary code on the client.

redshift-connector rce redshift python injection
2r 1t 1c 1i
high advisory

High-Risk Repository Activity in DevSecOps Environments

This analytic identifies high-risk activities within repositories by correlating repository data with risk scores in DevSecOps environments, focusing on scores above 100 and sources with more than three occurrences to highlight potential vulnerabilities leading to data breaches or infrastructure compromise.

Splunk Enterprise +3 devsecops risk-analysis splunk
2r 1t
high advisory

AWS S3 Exfiltration Behavior Identified

This analytic identifies potential AWS S3 exfiltration behavior by correlating multiple risk events related to Collection and Exfiltration techniques, leveraging AWS sources and focusing on instances where multiple unique analytics and distinct MITRE ATT&CK IDs are triggered for a specific risk object.

S3 +3 cloud exfiltration aws
2r 1t
medium advisory

AWS S3 Credential File Retrieved from Bucket

This rule detects successful S3 GetObject calls targeting high-value credential and secret files commonly stored in S3 buckets, indicating potential credential access.

Amazon S3 credential-access cloud aws
2r 2t
medium advisory

Suspicious AWS S3 Connection via Script Interpreter

The rule detects script interpreters (osascript, Node.js, Python) making outbound connections to AWS S3 or CloudFront domains on macOS, which may indicate command and control or data exfiltration activity.

AWS S3 +1 command-and-control exfiltration macos
2r 5t
high advisory

Amazon SageMaker Python SDK HMAC Key Leakage via API Exposure

Amazon SageMaker Python SDK exposes an HMAC signing key in cleartext via API calls, enabling a remote authenticated actor to forge model artifacts and achieve code execution.

SageMaker Python SDK sagemaker hmac key-leakage cloud privilege-escalation
3r 1t
high threat

Webworm APT Updates TTPs with Discord and Microsoft Graph C2

The Webworm APT group is using updated tactics, techniques, and procedures, including new backdoors using Discord and Microsoft Graph API for command and control, custom proxy tools, and GitHub for malware staging, shifting focus to European governmental organizations.

Microsoft Graph API +4 Webworm apt discord proxy tool
2r 10t 1c 1i
medium advisory

AWS EKS Control Plane Logging Disabled

This rule detects successful Amazon EKS UpdateClusterConfig requests that disable control plane logging, potentially indicating defense evasion via compromised AWS credentials or unauthorized administrative access that reduces visibility into cluster activity.

EKS cloud kubernetes aws defense_evasion
2r 1t
medium advisory

AWS SSM Session Manager Child Process Execution

This rule identifies process start events where the parent process is the AWS Systems Manager (SSM) Session Manager worker, which adversaries may abuse for remote execution and lateral movement using legitimate AWS credentials and IAM permissions.

AWS Systems Manager cloud aws execution lateral-movement
3r 3t
high advisory

Compromised node-ipc npm Package Steals Credentials

Hackers injected credential-stealing malware into newly published versions of the node-ipc npm package in a supply chain attack, collecting cloud credentials, SSH keys, CI/CD secrets, and other sensitive data, exfiltrating it through DNS TXT queries.

node-ipc +10 supply-chain-attack npm infostealer credential-theft
2r 3t 2i
medium advisory

AWS EKS Access Entry Modification Detected

Successful Amazon EKS Access Entries API operations that create, update, attach, detach, or delete authentication mappings between IAM principals and the cluster, potentially indicating persistence or privilege escalation are detected.

EKS cloud kubernetes aws persistence privilege-escalation
2r 2t
high advisory

EKS Authentication Configuration Modified

This rule detects modifications to the aws-auth ConfigMap in Amazon EKS clusters, enabling attackers to grant cluster-admin access by mapping AWS IAM roles to the system:masters group, achieving persistence and privilege escalation.

EKS kubernetes persistence privilege-escalation
2r 2t
high threat

Dirty Frag Linux Kernel Local Privilege Escalation Vulnerability

The Dirty Frag vulnerability (CVE-2026-43284 and CVE-2026-43500) is a Linux kernel local privilege escalation that allows an unprivileged local user to gain root privileges by exploiting flaws in the networking subsystem to overwrite protected file contents in the page cache.

exploited Linux kernel linux privilege-escalation vulnerability dirty_frag
2r 1t
critical advisory

Compromised intercom-client npm Package Exfiltrates Credentials

A compromised version (7.0.4) of the intercom-client npm package was published using a compromised developer account, containing obfuscated JavaScript that executed during installation to harvest and exfiltrate credentials from the environment, as part of the 'Mini Shai-Hulud' supply chain campaign.

intercom-client +5 supply-chain credential-theft npm
2r 2t
high advisory

Amazon ECS Agent for Windows Vulnerable to Command Injection

Amazon ECS Agent for Windows versions 1.47.0 through 1.102.2 are vulnerable to command injection via specially crafted credentials in the FSx Windows File Server volume mounting process, potentially allowing a remote authenticated attacker to execute shell commands with SYSTEM privileges.

ECS Agent for Windows command injection privilege escalation cloud
2r 1t
high advisory

awslabs/tough Delegated Roles Signature Threshold Bypass

An improper verification of cryptographic signature uniqueness vulnerability in awslabs/tough before v0.22.0 allows remote authenticated users to bypass TUF signature threshold requirements by duplicating a valid signature, leading to the acceptance of forged delegated role metadata.

tough +1 supply-chain vulnerability rust
2r 1t 1i
high advisory

awslabs/tough Missing Delegated Metadata Validation

The tough library before version 0.22.0 and tuftool before version 0.15.0 do not properly verify delegated target metadata, allowing an attacker with write access to serve expired or otherwise invalid targets from a TUF repository, potentially leading to the library trusting invalid targets.

tough +1 supply-chain vulnerability metadata-poisoning
2r 1t 1c 1i
medium advisory

AWS SSM Session Manager Child Process Execution Abuse

Adversaries abuse AWS Systems Manager (SSM) Session Manager to gain remote execution and lateral movement within AWS environments by spawning malicious child processes from the SSM session worker, leveraging legitimate AWS credentials and IAM permissions.

AWS Systems Manager Session Manager aws ssm session-manager execution cloud
2r 3t
high advisory

AWS IAM Privilege Operations via Lambda Execution Role

Detection of IAM API calls that create or empower IAM users and roles, attach policies, or configure instance profiles when the caller is an assumed role session associated with AWS Lambda, potentially indicating privilege escalation or persistence.

AWS IAM +1 aws iam lambda privilege-escalation persistence
2r 3t
medium advisory

AWS EC2 Role GetCallerIdentity from New Source AS Organization

The rule detects when an EC2 instance role session calls AWS STS GetCallerIdentity from a new source autonomous system (AS) organization name, indicating potential credential theft and verification from outside expected egress paths.

Amazon Web Services cloud aws getcalleridentity ec2 discovery
2r 1t
medium advisory

AWS Discovery API Calls from VPN ASN by New Identity

This rule detects the initial use of AWS discovery APIs from VPN-associated ASNs by a previously unseen identity, indicating potential reconnaissance activity.

Amazon Web Services cloud aws discovery vpn
2r 1t
critical threat

Local Privilege Escalation Vulnerability 'Copy Fail' in Linux Kernel

A local privilege escalation vulnerability, dubbed 'Copy Fail' (CVE-2026-31431), affects Linux kernels released since 2017, allowing an unprivileged local attacker to gain root permissions by exploiting a logic bug in the authencesn cryptographic template.

Linux kernel +4 Theori privilege-escalation linux vulnerability
2r 1t 1c
high threat

UNC6692 Combines Social Engineering, Malware, and Cloud Abuse

UNC6692 is a newly discovered, financially motivated threat actor that combines social engineering via Microsoft Teams, custom malware named SNOWBELT, and abuse of legitimate AWS S3 cloud infrastructure in its attack campaigns to steal credentials and prepare for data exfiltration.

Microsoft Teams +1 UNC6692 social-engineering malware cloud-abuse credential-theft lateral-movement
2r 12t
high advisory

AWS Credentials Used from GitHub Actions and Non-CI/CD Infrastructure

Attackers are stealing AWS credentials configured as GitHub Actions secrets and using them from non-CI/CD infrastructure, indicating potential credential theft and unauthorized access to AWS resources.

AWS IAM +1 cloud aws github credential-theft initial-access lateral-movement
2r 2t
medium advisory

Suspicious AWS EC2 Key Pair Import Activity

The import of SSH key pairs into AWS EC2, as detected by CloudTrail logs, may indicate unauthorized access attempts, persistence establishment, or privilege escalation by an attacker.

Elastic Compute Cloud aws cloudtrail ec2 keypair initial-access persistence privilege-escalation
2r 1t
low advisory

AWS SNS Rare Protocol Subscription by User

A user subscribing to an SNS topic using a new protocol may indicate data exfiltration or unauthorized access by an adversary aiming to collect sensitive information or exfiltrate data.

Simple Notification Service cloud aws sns exfiltration
2r 4t
low advisory

AWS Discovery API Calls via CLI from a Single Resource

A single AWS resource is making multiple read-only discovery API calls via the AWS CLI within a 10-second window, indicating potential reconnaissance attempts using compromised credentials or a compromised instance.

AWS +5 cloudtrail discovery aws-cli threat-detection
2r 3t
medium advisory

Detect AWS Route Table Modification via CloudTrail

An attacker may add a new route to an AWS route table, potentially redirecting network traffic for malicious purposes such as defense impairment or data exfiltration.

AWS EC2 +1 cloud aws network-routing
2r
low advisory

New AWS Network ACL Entry Creation Detected

Detection of new Network ACL entries in AWS CloudTrail logs can indicate potential defense impairment or the opening of new attack vectors within an AWS account by an adversary.

AWS CloudTrail +1 attack.defense-impairment attack.t1686.001 cloud
2r 1t
medium advisory

AWS Federated User Console Login without MFA Enforcement

Detection of successful AWS Management Console logins by federated users, which pose a security risk due to potential lack of enforced MFA as CloudTrail does not reliably record MFA status for federated users.

Amazon Web Services +1 aws cloudtrail federated-user initial-access
2r 1t
medium advisory

AWS S3 Bucket Replicated to Another Account

Detection of S3 bucket replication configurations sending data to a different AWS account, potentially indicating unauthorized data exfiltration by adversaries abusing replication rules.

Amazon S3 aws s3 exfiltration cloudtrail
2r 2t
high advisory

Malicious Usage of AWS IMDS Credentials Outside of Expected Services

Compromised EC2 instances may be leveraged to exfiltrate and misuse AWS Instance Metadata Service (IMDS) credentials to perform actions outside of the expected AWS Simple Systems Manager (SSM) service, indicating potential lateral movement or data exfiltration.

EC2 attack.privilege-escalation attack.initial-access attack.persistence attack.stealth attack.t1078 attack.t1078.002
2r 3t
medium advisory

AWS EC2 EBS Snapshot Shared or Made Public

An AWS Elastic Block Store (EBS) snapshot is shared with another AWS account or made public, potentially leading to data exfiltration and persistence operations.

Amazon EC2 +1 cloud aws exfiltration
2r 1t
medium advisory

AWS EC2 AMI Shared with Another Account for Potential Exfiltration

An AWS Amazon Machine Image (AMI) being shared with another AWS account could indicate data exfiltration, as AMIs may contain sensitive data, and unauthorized sharing can lead to exposure.

AWS EC2 aws ami exfiltration
2r 1t
low advisory

AWS S3 Bucket Enumeration and Brute Force Attempts

A high number of failed S3 operations (AccessDenied errors) against a single bucket from a single source address within a short timeframe can indicate attempts to enumerate bucket objects, brute-force object keys, or inflate AWS billing.

Amazon S3 cloud aws s3 enumeration brute_force impact discovery collection
2r 4t
medium advisory

Potential Abuse of AWS Console GetSigninToken

Adversaries may abuse the AWS GetSigninToken API to create temporary federated credentials for obfuscating compromised AWS access keys and pivoting to console sessions without MFA, potentially leading to lateral movement within the AWS environment.

AWS CloudTrail aws cloud lateral-movement credential-access
2r 2t
low advisory

AWS S3 Bucket Expiration Lifecycle Configuration Added for Defense Evasion

An adversary may add an expiration lifecycle configuration to an Amazon S3 bucket to automatically delete logs, forensic evidence, or sensitive objects, detected via the PutBucketLifecycle or PutBucketLifecycleConfiguration APIs with Expiration parameters.

Amazon S3 cloud aws s3 defense_evasion indicator_removal
2r 3t
high advisory

AWS Identity API Access from Rare ASN Organizations

This rule detects AWS identities with API traffic dominated by cloud-provider source AS organization labels, but also exhibit traffic from other AS organizations, potentially indicating credential reuse or pivoting.

aws cloudtrail initial-access credential-access
2r 1t
high advisory

S3Browser IAM Policy Creation with Default Bucket Name

An AWS IAM policy is created by the S3Browser utility with the default S3 bucket name placeholder, potentially indicating unauthorized access or misconfiguration.

AWS IAM +1 aws iam s3browser s3 policy cloudtrail
2r 3t
medium advisory

Cloud Compute Instance Created with Previously Unseen Image

A cloud compute instance was created with a previously unseen image, potentially indicating malicious activity such as unauthorized deployment or image compromise.

Amazon Web Services +2 cloud compute-instance image-compromise
2r 1t
medium advisory

AWS CloudTrail Logging Disabled or Modified

Detection of AWS CloudTrail being disabled, deleted, or updated by an adversary to impair defenses and evade detection.

AWS CloudTrail defense-impairment cloud
3r 1t
medium advisory

AWS KMS Key Policy Updated via PutKeyPolicy

Detection of successful PutKeyPolicy calls on AWS KMS keys to identify potential privilege escalation or unauthorized access by adversaries modifying key policies to decrypt or exfiltrate data.

KMS cloud aws privilege-escalation defense-evasion
2r 2t
medium advisory

AWS EBS Encryption Disabled

Detects when Amazon Elastic Block Store (EBS) encryption by default is disabled in an AWS region, potentially leading to data exposure and weakening data protection against exfiltration or ransomware.

Elastic Block Store aws ebs encryption cloudtrail
2r 2t
low advisory

AWS EC2 Route Table Created for Persistence or Defense Evasion

An EC2 Route Table creation event in AWS can indicate an attacker attempting to disrupt network traffic, reroute communications, or maintain persistence by creating unauthorized routes.

EC2 cloud aws persistence network-security
2r 2t
medium advisory

Successful AWS Console Login Without MFA

Successful AWS console logins without multi-factor authentication can indicate compromised credentials, misconfigured security settings, or unauthorized access attempts.

AWS Management Console aws cloudtrail mfa initial-access
2r 1t
medium advisory

AWS EC2 Security Group Configuration Change Detection

Detection of unauthorized changes to AWS EC2 Security Group configurations, potentially leading to persistence, data exfiltration, or lateral movement within the AWS environment.

Elastic Compute Cloud cloud aws security-group persistence
3r 4t
medium advisory

AWS CLI Activity Detection for Open S3 Bucket Creation

Detection of S3 bucket creation via AWS CLI which might lead to data exposure and unauthorized access.

Amazon S3 +1 aws s3 cloud data-breach
2r 1t
medium advisory

AWS Account Login Profile Update

An AWS account's login profile has been modified, potentially indicating account compromise, privilege escalation, or malicious user activity.

AWS cloud iam account-takeover
3r 1t
medium advisory

AWS CloudWatch Log Group Deletion

Detection of Amazon CloudWatch Log Group deletion via the 'DeleteLogGroup' API by non-AWS Internal user agents, potentially indicating defense evasion or disruption of logging pipelines.

Amazon CloudWatch cloudwatch aws logging
2r 3t
low advisory

AWS CloudShell Environment Creation Detection

Detection of AWS CloudShell environment creation can indicate unauthorized command execution within AWS by an adversary leveraging a compromised console session to interact with AWS services.

AWS CloudShell aws cloudshell execution initial-access
2r 2t
medium advisory

Suspicious AWS SAML Activity Detection

This rule identifies suspicious SAML activity in AWS, such as AssumeRoleWithSAML and UpdateSAMLProvider events, which could indicate an attacker gaining backdoor access, escalating privileges, or establishing persistence.

AWS IAM +1 aws saml cloudtrail initial-access lateral-movement persistence privilege-escalation stealth
2r 3t
high advisory

AWS Account Brute-Force Detection

This brief describes a detection for AWS accounts experiencing a high number of failed authentication attempts within a short timeframe, potentially indicating a brute-force attack targeting the account.

AWS brute-force credential-access
2r 1t
high advisory

AWS GuardDuty Detector Deletion or Disablement

Attackers may delete or disable AWS GuardDuty detectors to impair defenses and evade detection of malicious activities within the AWS environment.

GuardDuty defense-impairment aws cloudtrail
3r
medium advisory

AWS SES Identity Deletion

Detection of an AWS Simple Email Service (SES) identity deletion event, potentially indicating an adversary attempting to cover their tracks after malicious activity.

Simple Email Service attack.stealth attack.t1070 cloud
2r 1t
high advisory

AWS S3 Bucket Replication for Data Exfiltration

An attacker enables S3 bucket replication to exfiltrate data to an external AWS account by creating a bucket replication rule.

S3 aws exfiltration bucket-replication
2r 1t
high advisory

AWS Lateral Movement from Kubernetes Service Account via AssumeRoleWithWebIdentity

This rule detects lateral movement in AWS environments originating from Kubernetes service accounts by identifying instances where credentials obtained for a service account are used for multiple distinct AWS control-plane actions, potentially indicating unauthorized access.

AWS CloudTrail +1 cloud aws kubernetes lateral-movement credential-access discovery
2r 4t
medium advisory

AWS Console Login from New Country

Detects AWS console logins by a user from a previously unseen country, potentially indicating compromised credentials.

AWS Console aws cloud credential-access initial-access
2r 3t
high advisory

AWS SecurityHub Findings Evasion via API Calls

Attackers can impair defenses by modifying or deleting findings and insights within AWS SecurityHub using API calls such as BatchUpdateFindings, DeleteInsight, UpdateFindings, and UpdateInsight.

AWS Security Hub aws cloud securityhub defense-evasion
3r 2t
high advisory

AWS Identity Center Identity Provider Modification

An adversary modifies the AWS Identity Center identity provider configuration, potentially leading to persistent access and privilege escalation through user impersonation.

AWS Identity Center cloud aws identity persistence credential-access defense-evasion
2r 1t
high advisory

AWS IAM User or Access Key Creation via S3 Browser

The use of S3 Browser to create IAM users or access keys in AWS environments indicates a potential privilege escalation, persistence, or initial access attempt by threat actors leveraging a known cloud administration tool.

AWS IAM cloud aws iam privilege-escalation persistence
2r 2t
medium threat

Kerberos Traffic from Unusual Process

Detects network connections to the standard Kerberos port from an unusual process other than lsass.exe, potentially indicating Kerberoasting or Pass-the-Ticket activity on Windows systems.

Elastic Defend +22 kerberoasting credential-access lateral-movement windows
2r 2t
high advisory

Unusual Cloud Security Group Modifications by User

This analytic identifies unusual modifications to cloud security groups by users, such as modifications, deletions, or creations, analyzed over 30-minute intervals, potentially indicating compromised accounts or insider threats leading to resource exposure or service disruption.

AWS +2 cloud security_group anomaly
2r 2t
high advisory

Suspicious Process Accessing Sensitive Identity Files via Auditd

This rule detects suspicious processes, such as copy utilities or scripting tools, accessing sensitive identity files on Linux systems, including Kubernetes tokens, cloud CLI configurations, and root SSH keys, indicating potential credential theft.

Elastic Agent Auditd Manager +4 credential-access linux auditd
3r 2t
medium advisory

Suspicious AWS STS GetSessionToken Usage

The AWS STS GetSessionToken API is being misused to create temporary tokens for lateral movement and privilege escalation within AWS environments by potentially compromised IAM users.

AWS CloudTrail aws cloud lateral-movement privilege-escalation sts GetSessionToken
2r 2t
medium advisory

Suspicious AWS EC2 Key Pair Creation from Non-Cloud AS

An AWS EC2 CreateKeyPair event triggered by a new principal originating from a network autonomous system (AS) organization not associated with major cloud providers, indicating potential unauthorized access or persistence activity.

Amazon EC2 aws ec2 keypair persistence credential_access lateral_movement
2r 3t
medium advisory

Mshta Making Network Connections Indicative of Defense Evasion

Mshta.exe making outbound network connections may indicate adversarial activity, as it is often used to execute malicious scripts and evade detection by proxying execution of untrusted code.

Amazon Assistant +3 defense-evasion system-binary-proxy-execution windows
2r 1t
high advisory

Kubernetes Suspicious Image Pulling Detection

This analytic detects suspicious image pulling in Kubernetes environments by monitoring Kubernetes audit logs for image pull requests that do not match a predefined list of allowed images, potentially indicating malicious software deployment or system infiltration.

Kubernetes +1 image-pulling anomaly-detection cloud
2r 1t
high advisory

Kubernetes and Cloud Credential Path Access via Process Arguments

This rule detects Linux process executions that access sensitive Kubernetes, cloud, and SSH credential files via common utilities, potentially indicating credential theft.

Elastic Defend +4 credential-access kubernetes cloud linux
2r 2t
high advisory

Excessive AWS S3 Object Encryption with SSE-C

Compromised AWS credentials can be used to encrypt a large number of S3 objects with SSE-C, rendering them unreadable without the attacker's keys, potentially leading to a ransomware-like extortion scenario.

Amazon S3 aws s3 sse-c ransomware impact
2r 1t
medium advisory

Detect AWS Access Key Creation

This brief outlines how to detect the creation of AWS Access Keys, a common tactic used by attackers to establish persistence and escalate privileges within compromised AWS environments.

Amazon Web Services cloud aws iam accesskey persistence
2r 1t
medium advisory

Cloud Provisioning Activity From Previously Unseen City

The analytic detects cloud provisioning activities originating from previously unseen cities based on source IP geolocation compared to a learned baseline, which may indicate unauthorized access or misuse of cloud resources leading to resource creation, data exfiltration, or further compromise.

AWS +3 cloud anomaly-detection
2r 1t
high advisory

AWS VPC Flow Logs Deletion for Defense Evasion

An adversary may delete VPC Flow Logs in AWS EC2 by calling the DeleteFlowLogs API to evade detection and hinder forensic investigations.

Elastic Compute Cloud cloud aws defense-evasion vpc flow-logs
2r 1t
high advisory

AWS STS GetFederationToken with AdministratorAccess in Request

Detection of AWS STS GetFederationToken calls with AdministratorAccess in the request parameters, indicating potential privilege escalation or dangerous automation via broadly privileged temporary credentials.

AWS STS aws privilege-escalation lateral-movement sts getfederationtoken
2r 2t
medium advisory

AWS STS AssumeRole Misuse for Lateral Movement and Privilege Escalation

Abuse of AWS STS AssumeRole can allow attackers to move laterally within an AWS environment and escalate privileges, potentially leading to unauthorized access to sensitive resources and data.

AWS STS attack.lateral-movement attack.privilege-escalation attack.t1548 attack.t1550 attack.t1550.001
1r 2t
medium advisory

AWS SNS Topic Message Publish by Rare User

This rule identifies when an SNS topic message is published by a rare user in AWS, which may indicate lateral movement, data exfiltration, or phishing campaigns, potentially leading to resource hijacking and impact on cloud services.

Amazon Simple Notification Service aws sns lateral-movement exfiltration impact
2r 4t
high advisory

AWS Security Services Impairment via Deletion of Resources

Detection of adversaries attempting to impair or disable AWS security services by deleting resources across GuardDuty, AWS WAF, CloudWatch, Route 53, and CloudWatch Logs to evade detection and remove visibility.

CloudWatch +5 aws cloudtrail defense-evasion cloud
2r 1t
high advisory

AWS Security Services Configuration Deletion

Detection of deletion of critical AWS Security Services configurations like CloudWatch alarms, GuardDuty detectors, and Web Application Firewall rules to evade detection, potentially leading to data breaches and unauthorized access.

CloudWatch +5 aws cloudtrail defense-evasion security-service
2r 1t
high advisory

AWS Network ACL Deletion Detected

Detection of AWS Network Access Control List (ACL) deletion via CloudTrail logs indicating potential unauthorized access or data exfiltration.

AWS CloudTrail +3 cloud aws network-acl privilege-escalation
2r
medium advisory

AWS IAM Principal Enumeration via UpdateAssumeRolePolicy

Detects repeated failed attempts to update an IAM role's trust policy in an AWS account, consistent with role and user enumeration techniques, potentially indicating attacker-controlled infrastructure or offensive tooling.

AWS IAM aws iam enumeration discovery credential-access
2r 3t
medium advisory

AWS IAM Customer Managed Policy Version Manipulation for Privilege Escalation

Successful creation of new or setting default versions of customer-managed IAM policies can indicate privilege escalation attempts by attackers modifying policy permissions.

Amazon Web Services privilege-escalation aws iam
2r 2t
low advisory

AWS IAM API Calls via Temporary Session Tokens

Detection of AWS IAM API operations using temporary session credentials, indicating potential credential theft, session hijacking, or privileged role abuse for persistence and defense evasion.

AWS Identity and Access Management +2 cloud aws iam session-token persistence privilege-escalation
3r 2t
high advisory

AWS EC2 Stop, Start, and User Data Modification Correlation

Detection of a sequence of AWS EC2 management API calls indicative of malicious modification of instance user data to execute arbitrary code upon instance restart, potentially leading to privilege escalation and persistence.

EC2 aws user-data privilege-escalation persistence execution
3r 2t
high advisory

AWS EC2 Instance Profile Associated with Running Instance

An attacker may escalate privileges by associating a compromised EC2 instance with a more privileged IAM instance profile.

EC2 +1 aws privilege-escalation lateral-movement
2r 2t
medium advisory

AWS Console Login from New City

A user logging into the AWS console from a previously unseen city could indicate compromised credentials or an insider threat.

AWS Management Console cloud aws credential-access
2r 1t
high advisory

AWS CloudTrail Logging Stopped for Defense Evasion

Detection of AWS CloudTrail `StopLogging` events indicating potential defense evasion by adversaries attempting to operate undetected within a compromised AWS environment by halting the logging of their malicious activities.

CloudTrail +4 aws defense-evasion cloud
2r 1t 1i
high advisory

AWS Bedrock Model Invocation Logging Deletion Attempt

Detection of attempts to delete AWS Bedrock model invocation logging configurations, potentially indicating an adversary trying to remove audit trails of model interactions after credential compromise, to hide malicious AI model usage.

CloudTrail +3 aws bedrock logging defense-evasion
2r 1t
high advisory

AWS AssumeRoleWithWebIdentity from Kubernetes SA and External ASN

Detects successful AWS `AssumeRoleWithWebIdentity` calls where the caller identity is a Kubernetes service account and the source autonomous system organization is not `Amazon.com, Inc.`, which may indicate a stolen or misused projected service-account token being exchanged for IAM credentials off-cluster.

EKS +1 aws cloudtrail iam kubernetes initial-access web-identity
2r 1t
high advisory

AWS AMI Attribute Modification for Data Exfiltration

An attacker modifies AWS AMI attributes, potentially sharing an AMI with another AWS account or making it publicly accessible, to exfiltrate sensitive data stored in AWS resources.

Amazon Elastic Compute Cloud aws ami data-exfiltration cloudtrail
2r 1t
medium advisory

Abnormally High Number of Cloud Infrastructure API Calls

Detection of an abnormally high number of cloud infrastructure API calls, indicating potential malicious activity or misconfiguration in a cloud environment.

Amazon S3 +1 cloud api-abuse anomaly-detection
2r 2t
high advisory

Detection of Public AWS S3 Bucket Creation via CLI

An AWS user creates a publicly accessible S3 bucket by using the AWS CLI to set permissive ACLs, potentially leading to unauthorized data access and data breaches.

Amazon S3 +2 aws s3 cloudtrail misconfiguration data-breach
2r 1t
high advisory

AWS S3 Bucket Lifecycle Rule Abuse for Log Deletion

Attackers may abuse the AWS S3 PutBucketLifecycle API to rapidly delete CloudTrail logs by setting short expiration periods on S3 buckets, hindering incident response and forensic investigations.

CloudTrail +3 aws defense-evasion
2r 1t
high advisory

AWS Network ACL Created with All Ports Open

The analytic detects the creation or replacement of AWS Network Access Control Lists (ACLs) with rules that allow all traffic from a specified CIDR block, potentially exposing the network to unauthorized access and increasing the risk of data breaches.

CloudTrail +5 aws network-acl misconfiguration cloud security-group
2r
medium advisory

Detection of New User AWS Console Login

A new AWS user logging into the console could indicate malicious activity, such as an attacker creating a new identity for persistence or lateral movement within the AWS environment.

Amazon Web Services cloud aws iam initial_access
2r 2t
medium advisory

AWS Root Account Usage Detected

The AWS root account, which grants unrestricted access to all resources within an AWS account, was used, potentially indicating unauthorized activity, privilege escalation, or a breach of security best practices.

AWS CloudTrail cloud aws privilege-escalation initial-access persistence stealth
3r 3t
medium advisory

AWS S3 Bucket Deletion Detected via CloudTrail

An AWS S3 bucket deletion event was detected via CloudTrail logs, potentially indicating data loss or unauthorized access attempts.

S3 cloud aws data_loss
3r 1t
medium advisory

Suspicious JavaScript File Upload to AWS S3 Static Website

Detection of a JavaScript file upload to an AWS S3 static website directory by an IAM user or assumed role, potentially indicating malicious web content modification and frontend compromise.

AWS S3 +3 aws s3 static-website javascript web-defacement
2r 2t
high advisory

S3 Browser Used to Create IAM Login Profiles

The S3 Browser utility is being used to enumerate IAM users lacking login profiles and subsequently create them, potentially for reconnaissance, persistence, and privilege escalation within AWS environments.

AWS IAM aws cloud iam s3browser privilege-escalation persistence
2r 2t
medium advisory

AWS S3 Data Exfiltration via Uncommon Client Applications

This rule detects AWS API activity originating from uncommon desktop client applications based on the user agent string, specifically S3 Browser and Cyberduck, which provide bulk upload/download capabilities and have been observed in use by threat actors for data exfiltration, warranting validation against authorized data transfer workflows.

Amazon S3 aws s3 exfiltration cloudtrail
3r 2t
high threat

AWS S3 Bucket Lifecycle Rule for Rapid Log Deletion

An attacker modifies an AWS S3 bucket lifecycle policy to rapidly expire CloudTrail logs, hindering incident response and forensic analysis.

exploited CloudTrail +4 aws defense_evasion s3
2r 1t
medium advisory

AWS Network Access Control List Deletion Detected

Detection of AWS Network Access Control List (ACL) deletion using AWS CloudTrail logs, which can remove critical access restrictions, potentially allowing unauthorized access to cloud instances and leading to data exfiltration or further compromise.

Splunk Enterprise +3 cloud aws network
2r 1t
high advisory

AWS GuardDuty IP Set Manipulation for Defense Impairment

An attacker modifies AWS GuardDuty IP sets, potentially whitelisting malicious IPs to disable security alerts and impair defenses.

AWS GuardDuty defense-impairment aws
2r 1t
high advisory

AWS Credential Access via GetPasswordData API Calls

Detection of anomalous GetPasswordData API calls in AWS CloudTrail logs, indicating potential attempts to retrieve encrypted administrator passwords for Windows instances, leading to unauthorized access.

Amazon EC2 aws credential-access cloudtrail
2r 3t
medium advisory

AWS Config Service Disabling Detection

Detection of AWS Config Service disabling, potentially indicating an attempt to impair defenses by stopping configuration recording and delivery.

AWS Config +1 attack.defense-impairment attack.t1562.008 aws
2r 1t
high advisory

AWS Bedrock GuardRails Deletion Attempt

Detection of AWS Bedrock GuardRails deletion, which are security controls to prevent harmful AI outputs, could indicate an adversary attempting to remove safety measures after credential compromise to enable malicious model outputs.

Bedrock +4 aws cloudtrail defense-evasion
2r 1t
medium advisory

Abnormal Cloud Security Group API Call Activity

Detection of an abnormally high number of cloud security group API calls which can indicate malicious activity such as reconnaissance, privilege escalation, or lateral movement within a cloud environment.

Amazon Web Services +2 cloud security-group api-abuse
2r 2t