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low advisory

AWS Smithy-RS HTTP Server Vulnerable to Unauthenticated Slowloris Denial of Service

An unauthenticated Slowloris denial of service vulnerability exists in the default `serve()` path of AWS's `aws-smithy-http-server` framework (versions <= 0.66.4), allowing remote attackers to exhaust server resources by initiating numerous incomplete connections.

aws-smithy-http-server denial-of-service vulnerability webserver rust aws
1t 1c
high advisory

AWS API MCP Server Security Policy Bypass via Startup Initialization Failure (CVE-2026-16584)

The AWS API MCP Server has a high-severity vulnerability, CVE-2026-16584, where a failure to initialize security policy data at server startup leads to a silent bypass of all per-request policy checks, allowing AWS API operations to execute without the intended restrictions, though underlying IAM permissions remain enforced.

AWS API MCP Server vulnerability cloud aws security-bypass
1c
high advisory

OS Command Injection in AWS CDK NodejsFunction Docker Bundling (CVE-2026-13760)

An OS command injection vulnerability, CVE-2026-13760, in AWS CDK's `aws-cdk-lib` package before version 2.260.0 allows an attacker to execute arbitrary commands on the host running the CDK toolchain by injecting shell metacharacters into dependency version strings within a project's `package.json` file when using Docker-based NodejsFunction bundling.

aws-cdk-lib command-injection supply-chain cloud-native aws-cdk vulnerability
1t 1c
low advisory

AWS IAM Customer-Managed Policy Attached to Role by Rare User

A detection rule by Elastic identifies potential privilege escalation within AWS environments by flagging when an AWS Identity and Access Management (IAM) customer-managed policy is attached to a role by an unusual or unauthorized user, indicating an attempt by an adversary to expand permissions, gain elevated access, or maintain persistence.

AWS IAM cloud-security privilege-escalation aws-cloudtrail aws-iam
3t
critical threat

CVE-2026-63030: Critical Remote Code Execution Vulnerability in WordPress Core

CVE-2026-63030 is a critical unauthenticated remote code execution vulnerability affecting WordPress Core versions 6.9.0 through 6.9.4 and 7.0.0 through 7.0.1, allowing an unauthenticated attacker to execute arbitrary code via the WordPress REST API batch endpoint, potentially leading to complete website compromise.

exploited PoC WordPress Core 6.9.0 +51 wordpress rce web-vulnerability cve
2t 15c 8i updated
high advisory

AWS Sensitive IAM Operations Performed via CloudShell

Attackers can leverage a compromised AWS console session to perform sensitive AWS IAM operations via AWS CloudShell, establishing persistence or escalating privileges, which can be detected by monitoring CloudTrail logs for specific user agent strings and high-risk IAM actions.

AWS CloudShell +2 cloud aws persistence privilege-escalation
1r 4t
high advisory

AWS Lambda Function Policy Updated to Allow Public Invocation

Adversaries may modify AWS Lambda function policies via the AddPermission API call, setting the Principal to '*' to enable public invocation, which establishes persistence and creates a covert execution path within an AWS environment.

AWS Lambda aws cloud persistence defense-evasion cloudtrail
1r 2t
high advisory

AWS IAM Roles Anywhere Profile Creation

Adversaries may create new AWS IAM Roles Anywhere profiles via the 'CreateProfile' API call to establish persistence or escalate privileges within an AWS environment by linking highly privileged roles to a rogue trust anchor, facilitating long-term external access.

IAM Roles Anywhere cloud aws persistence privilege-escalation
1r 2t
high advisory

Suspicious AWS IAM API Calls via Temporary Session Tokens

This detection rule identifies suspicious AWS IAM API operations performed using temporary session credentials (access keys starting with ASIA) that are not sourced from console logins, indicating potential credential theft, session hijacking, or abuse of privileged temporary credentials by an attacker for persistence, privilege escalation, or defense evasion within the AWS environment.

AWS IAM +3 cloud aws persistence privilege-escalation defense-evasion
1r 2t
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 CloudTrail Log Updated

Adversaries can modify AWS CloudTrail configurations via the UpdateTrail API to reduce logging visibility, change log destinations, or weaken integrity, aiming to evade detection by preventing critical audit information from being collected or stored properly.

AWS CloudTrail cloud-security aws log-auditing impact defense-evasion
1r 2t
high advisory

AWS STS GetFederationToken Abuse for Persistence and Defense Evasion

Adversaries may exploit the AWS Security Token Service (STS) GetFederationToken API call to obtain temporary security credentials, enabling persistence and bypassing IAM API call limitations by gaining console access, with these temporary tokens remaining active for up to 36 hours, even if the initial compromised identity is deleted, and used to create console sign-in tokens.

AWS Security Token Service cloud aws defense-evasion persistence threat-detection
1r 2t
high advisory

AWS CloudTrail Log Suspended

This brief describes the critical defense evasion tactic of suspending AWS CloudTrail logging via the StopLogging API, used by threat actors to eliminate audit visibility before performing sensitive operations or exfiltrating data, thereby concealing their activities and hindering incident response.

CloudTrail cloud aws defense-evasion cloud-security
1r 2t
medium advisory

Detecting Hostile Prompt Sentiment in AWS Bedrock Claude

This brief outlines the detection of hostile or aggressive prompt sentiment sent to AWS Bedrock Claude large language models, indicating potential abuse, harassment, or attempts at model manipulation, requiring the configuration of Bedrock model invocation logging and Splunk ingestion.

Amazon Bedrock +6 llm aws bedrock abuse sentiment cloud
1r updated
high rule

AWS Bedrock Claude Abuse and Data Exposure Detection Coverage

Merged detection coverage for AWS Bedrock Claude abuse patterns, including prompt injection, sensitive-data exposure, high-risk tool invocation, cross-region inference, hostile prompts, unusually large prompts, and excessive token output anomalies.

AWS Bedrock Claude cloud aws bedrock claude llm prompt-injection data-exfiltration detection-coverage
6r
medium advisory

AWS Lambda Function Deletion

Adversaries may delete AWS Lambda functions to disrupt business operations, remove evidence of their presence, or impede incident response, an action detectable by monitoring for `DeleteFunction` calls in `aws.cloudtrail` logs and correlating with expected change windows.

AWS Lambda cloud aws lambda impact data-destruction service-stop
1r 2t
medium advisory

AWS Lambda Layer Shared Externally

This brief identifies the critical risk of an AWS Lambda layer's permission policy being modified, typically via the `AddLayerVersionPermission` API, to grant external AWS accounts, AWS Organizations, or the public access, potentially leading to the leakage of proprietary code or secrets and creating a supply-chain vector for attacker-influenced code execution in downstream functions.

AWS Lambda +1 cloud aws lambda supply-chain misconfiguration data-leakage
1r 2t
high advisory

AWS Lambda Function Policy Updated to Allow Cross-Account Invocation

An adversary can establish persistence and defense evasion by modifying an AWS Lambda function's resource policy via the `AddPermission` API to grant `lambda:InvokeFunction` permissions to a principal in an external AWS account, enabling unauthorized function invocation and potential data exfiltration without altering function code.

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

AWS Lambda Function Invoked Cross-Account

Adversaries leverage cross-account access to invoke AWS Lambda functions from a different account than the function owner, enabling code execution or data retrieval, which requires AWS Lambda data event logging to detect.

AWS Lambda cloud aws aws-lambda execution cloud-security
1t
high advisory

Microsoft Security Updates — July 2026

Roundup of Microsoft security advisories published in July 2026.

PoC PowerShell +511 roundup
11c 354i updated
critical advisory

Malicious @beproduct/nestjs-auth Package Contains Mini Shai-Hulud Worm (CVE-2026-46412)

Between May 11th and May 12th of 2026, a threat actor compromised an npm publish token to publish 18 malicious versions of the '@beproduct/nestjs-auth' package (versions 0.1.2 through 0.1.19) containing payloads from the Mini Shai-Hulud npm supply-chain worm campaign that exfiltrated npm tokens, GitHub PATs/OAuth tokens, AWS credentials, and Vault tokens, impacting developer environments.

@beproduct/nestjs-auth +3 supply-chain npm credential-theft exfiltration worm
2r 4t 6i
medium advisory

Better Auth Rate Limiter Bypass via IPv6 Prefix Rotation (CVE-2026-45364)

Better Auth versions before 1.4.17 and pre-release versions before 1.5.0-beta.9 are vulnerable to CVE-2026-45364, a rate-limiting bypass that allows IPv6 clients to rotate through numerous source addresses or vary the textual encoding of one IPv6 address, effectively defeating rate limiting on authentication endpoints, potentially leading to credential stuffing, account enumeration, and amplification of password-reset email fan-out.

better-auth +4 rate-limiting authentication ipv6 cve-2026-45364
2r
high advisory

AWS EKS Access Entry Granted Cluster Admin Policy

Detects when the AmazonEKSClusterAdminPolicy or AmazonEKSAdminPolicy is associated with a principal via the EKS Access Entries API, effectively granting full cluster-admin access and enabling potential privilege escalation and persistence.

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

CVE-2026-31431 'Copy Fail' Linux Kernel Privilege Escalation

The 'Copy Fail' vulnerability (CVE-2026-31431) in the Linux kernel allows a local attacker to escalate privileges to root, potentially leading to container breakout and lateral movement in cloud environments.

Amazon Linux 2023 +3 privilege-escalation linux kernel
2r 1t 1c
low advisory

Rapid Enumeration of AWS S3 Buckets

An AWS principal rapidly enumerates S3 bucket posture using read-only APIs, indicative of reconnaissance, scanning, or post-compromise activity.

AWS S3 +1 aws s3 cloudtrail discovery enumeration reconnaissance
2r 4t
low advisory

AWS Discovery API Calls via CLI from a Single Resource

This rule detects when a single AWS identity executes more than five unique discovery-related API calls (Describe*, List*, Get*, or Generate*) within a 10-second window using the AWS CLI, potentially indicating reconnaissance activity following credential compromise or compromised EC2 instance access.

cloud aws cloudtrail discovery
2r 2t
low advisory

AWS EC2 Deprecated AMI Discovery

A user querying for deprecated Amazon Machine Images (AMIs) in AWS via the DescribeImages API call may indicate an adversary looking for outdated and potentially vulnerable AMIs for exploitation.

Amazon EC2 +1 cloud aws ec2 discovery
2r 1t
medium advisory

AWS S3 Unauthenticated Bucket Access by Rare Source

This rule detects AWS CloudTrail events indicative of unauthenticated sources attempting to access an S3 bucket, potentially exposing sensitive data due to misconfigured bucket policies.

Amazon S3 aws s3 unauthenticated-access cloudtrail collection
2r 4t
medium advisory

AWS STS AssumeRoot by Rare User and Member Account

The rule detects when the STS AssumeRoot action is performed by a rare user in AWS, potentially indicating privilege escalation.

AWS Security Token Service aws privilege-escalation cloud
2r 3t
medium advisory

AWS RDS DB Snapshot Shared with Another Account

An AWS RDS DB snapshot is shared with another AWS account or made public, potentially enabling unauthorized access, offline analysis, or data exfiltration by allowing adversaries to restore the snapshot in their controlled infrastructure.

AWS RDS aws rds snapshot exfiltration
2r 1t
low advisory

Rapid Multi-Region AWS Service Quota Enumeration for EC2 vCPU Limits

An AWS principal rapidly enumerates EC2 on-demand vCPU service quotas across multiple regions, indicative of cloud infrastructure discovery for malicious purposes such as cryptocurrency mining or botnet hosting.

EC2 +1 cloud aws service_quotas discovery
2r 2t
low advisory

AWS IAM Customer-Managed Policy Attached to Role by Rare User

Detects when an AWS Identity and Access Management (IAM) customer-managed policy is attached to a role by an unusual or unauthorized user, potentially indicating privilege escalation within the AWS environment.

IAM aws privilege-escalation
2r 3t
medium advisory

First Time AWS CloudFormation Stack Creation

This rule detects the first time a principal calls AWS CloudFormation CreateStack or CreateStackInstances API, potentially indicating malicious resource deployment by an attacker with elevated privileges.

AWS CloudFormation cloudformation aws execution
2r 2t
low threat

AWS STS AssumeRole with New MFA Device

This rule identifies when a user has assumed a role using a new MFA device in AWS, which can be indicative of persistence and privilege escalation attempts by threat actors.

exploited AWS Security Token Service +1 aws cloudtrail sts assume_role mfa persistence privilege_escalation lateral_movement
2r 4t
high advisory

AWS EC2 Instance Console Login via Assumed Role

An AWS EC2 instance's assumed role is used to login to the AWS Management Console, potentially indicating credential theft and lateral movement.

EC2 +1 aws cloudtrail lateral-movement credential-access
2r 5t
medium advisory

AWS STS Role Chaining for Privilege Escalation and Persistence

AWS STS role chaining, where one assumed role is used to assume another, can lead to privilege escalation or persistence by refreshing session tokens, triggering alerts on the first observed role assumption based on CloudTrail logs.

AWS Security Token Service +1 aws sts role-chaining privilege-escalation persistence
2r 3t
medium advisory

AWS Secrets Manager Rapid Secrets Retrieval Attempts

Compromised AWS credentials may be used to rapidly retrieve multiple secrets from AWS Secrets Manager in order to escalate privileges or move laterally within the environment.

AWS Secrets Manager aws credential-access secrets-manager
2r 1t
high threat

AWS IAM CompromisedKeyQuarantine Policy Attachment

Detection of the AWS `CompromisedKeyQuarantine` policy being attached to an IAM user, indicating that AWS has flagged the user's credentials as compromised or publicly exposed, and is providing instructions via a support case for remediation.

AWS Identity and Access Management AWS credential-access cloud
2r 2t
medium advisory

AWS S3 Object Versioning Suspended

Detection of S3 bucket versioning suspension via PutBucketVersioning API call, potentially indicating an attempt to inhibit system recovery by making restoration of deleted or overwritten objects impossible.

S3 aws versioning impact
2r 1t
medium advisory

AWS S3 Bucket Server Access Logging Disabled

An adversary may disable server access logging for an Amazon S3 bucket in order to impair defenses by removing logs that contain evidence of malicious activity.

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

AWS RDS DB Instance or Cluster Deletion Protection Disabled

An adversary may disable deletion protection on an AWS RDS DB instance or cluster as a precursor to destructive actions, such as deleting databases containing sensitive data.

AWS RDS cloud aws rds datadestruction
2r 2t
medium advisory

AWS RDS Snapshot Deletion Detected

The deletion of AWS RDS DB snapshots or disabling backups via configuration changes can inhibit recovery, destroy forensic evidence, and prepare for destructive actions by adversaries.

Amazon RDS aws rds snapshot backup datadestruction
3r 2t
medium advisory

AWS RDS DB Instance Made Public

An attacker with compromised AWS credentials may modify an Amazon RDS DB instance or cluster to be publicly accessible for persistence, data exfiltration, or to bypass network restrictions.

AWS RDS cloud aws rds persistence defense_evasion
2r 3t
medium advisory

AWS RDS DB Instance or Cluster Password Modification

The modification of the master password for an AWS RDS DB instance or cluster can indicate malicious activity used for persistence, privilege escalation, or defense evasion.

RDS cloud aws persistence
2r 3t
medium advisory

AWS IAM AdministratorAccess Policy Attached to Role

An adversary with compromised AWS credentials may escalate privileges or persist in the environment by attaching the AdministratorAccess AWS managed policy to an existing IAM role.

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

AWS Bedrock Model Invocation Logging Deletion

Detection of AWS Bedrock model invocation logging configuration deletion via the DeleteModelInvocationLogging API in CloudTrail logs, potentially indicating an adversary attempting to evade detection of malicious AI model usage.

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

AWS Route 53 Resolver Query Log Configuration Deleted

Detection of the deletion of an Amazon Route 53 Resolver Query Log Configuration, potentially stopping DNS query and response logging for associated VPCs, which can be used by adversaries to evade detection and suppress forensic evidence.

AWS Route 53 Resolver aws cloudtrail route53 defense_evasion
2r 1t
low advisory

AWS IAM Roles Anywhere Profile Creation

Detection of AWS IAM Roles Anywhere profile creation, potentially indicating an adversary establishing persistence or escalating privileges through rogue trust anchors to gain long-term external access.

IAM Roles Anywhere aws iam rolesanywhere persistence privilege-escalation
2r 2t
medium advisory

Potential AWS S3 Bucket Ransomware Note Upload

An adversary may upload a ransomware note to an AWS S3 bucket by abusing compromised credentials or overly permissive bucket policies, potentially leading to data encryption or exfiltration.

S3 aws ransomware impact
3r 3t
medium advisory

AWS EC2 Unauthorized Admin Credential Fetch via Assumed Role

The rule detects the first occurrence of an unauthorized attempt by an AWS role to use `GetPasswordData` to access the administrator password of an EC2 instance, potentially indicating privilege escalation or lateral movement.

EC2 cloud aws credential-access
2r 2t
medium advisory

AWS Systems Manager SecureString Parameter Request with Decryption Flag

This rule detects when an AWS resource accesses SecureString parameters within AWS Systems Manager (SSM) with the decryption flag set to true, potentially indicating credential access.

AWS Systems Manager aws credential-access cloud
2r 1t
medium advisory

AWS S3 Bucket Policy Modified to Share with External Account

An attacker modifies an Amazon S3 bucket policy to grant access to an external AWS account, potentially leading to unauthorized data access and exfiltration.

S3 aws bucket_policy exfiltration
2r 3t
low advisory

AWS Lambda Layer Added to Existing Function

Detection of a Lambda layer being added to an existing AWS Lambda function, potentially indicating malicious activity such as persistence, unauthorized code execution, or data interception by an attacker with the ability to modify function configurations.

AWS Lambda cloud aws lambda execution defense-evasion
2r 2t
medium advisory

AWS IAM Roles Anywhere Trust Anchor Created with External CA

The creation of an AWS IAM Roles Anywhere Trust Anchor using an external Certificate Authority (CA) instead of an AWS-managed CA allows adversaries to establish persistent access by using their own CA to sign certificates for authentication.

IAM Roles Anywhere aws iam rolesanywhere persistence
2r 2t
high advisory

AWS Bedrock GuardRails Deletion Attempt

Detection of attempts to delete AWS Bedrock GuardRails, security controls that prevent harmful AI outputs, via the DeleteGuardrail API in AWS CloudTrail logs, potentially indicating an adversary attempting to remove these safeguards after compromising credentials to manipulate model behavior for malicious purposes.

AWS Bedrock aws bedrock guardrails defense-evasion cloud
2r 1t
medium advisory

AWS SSM Session Started to EC2 Instance for Lateral Movement

An AWS user or role establishing a session via SSM to an EC2 instance may indicate lateral movement, and this rule detects the first occurrence of such an event.

AWS Systems Manager +1 aws lateral-movement ssm
2r 1t
medium advisory

AWS EC2 User Data Retrieval for EC2 Instance

Detection of the AWS EC2 DescribeInstanceAttribute API call to retrieve the userData attribute, potentially exposing sensitive information like credentials or configuration details.

EC2 +1 aws cloudtrail userdata discovery credential-access
2r 2t
medium advisory

AWS Console Login by User from New Region

An AWS account may be compromised if a user logs into the AWS console from a geographic region they have never accessed before, potentially indicating unauthorized access or account takeover.

AWS Management Console cloud aws iam account_compromise
2r 1t
medium advisory

Suspicious AWS ECR Container Upload by Unknown User

This alert detects a container image upload to an AWS Elastic Container Registry (ECR) repository by a user that is not typically associated with such actions, potentially indicating account compromise or insider threat activity.

Elastic Container Registry aws ecr cloud container
2r 1t
high advisory

AWS Root Account Password Recovery Request Detection

Detection of AWS root account password recovery requests, potentially indicating unauthorized access attempts or legitimate administrative actions requiring verification.

AWS cloudtrail initial-access password-recovery
2r 1t
medium advisory

AWS CreateLoginProfile Activity Detection

Detects the creation of AWS IAM login profiles, which can be indicative of new user creation or modifications by potentially malicious actors for privilege escalation or persistence.

AWS Identity and Access Management aws cloud iam privilege_escalation persistence
2r 2t
medium advisory

AWS SAML Identity Provider Modification

An adversary may attempt to modify the AWS SAML Identity Provider configuration to potentially escalate privileges or disrupt federated access.

AWS Identity and Access Management aws saml identity-provider privilege-escalation
2r 1t
medium advisory

AWS KMS Key User Performing S3 Encryption

Detection of AWS users employing KMS keys for S3 encryption, potentially indicating suspicious data handling within cloud environments.

AWS Identity and Access Management +2 aws kms s3 cloud encryption
2r 1t
medium advisory

AWS IAM Group Deletion Failure

Detection of a failed attempt to delete an AWS IAM group, which could indicate an attempt to remove audit trails or disrupt security policies.

AWS Identity and Access Management aws iam cloud deletion
2r 1t
medium advisory

AWS Console Login by User from New City

Detection of AWS console logins by a user from a previously unseen city, potentially indicating compromised credentials or account takeover.

AWS Management Console aws cloud account-takeover credential-compromise
2r 1t
medium advisory

AWS IAM AdministratorAccess Policy Attached to User

An adversary with compromised AWS credentials may attempt to escalate privileges or persist access by attaching the AdministratorAccess AWS managed policy to an existing IAM user via the AttachUserPolicy API, granting full access to all AWS services and resources.

AWS IAM aws iam privilege-escalation persistence
2r 2t
low advisory

AWS S3 Data Exfiltration via Uncommon Clients

Detection of AWS API activity from rare S3 client applications (S3 Browser, Cyberduck), potentially indicating unauthorized data exfiltration by threat actors.

S3 aws exfiltration cloudtrail
2r 1t
high advisory

AWS Policy Created Allowing All Resources

An AWS IAM policy version was created that allows all actions on all resources, potentially leading to privilege escalation or unauthorized access.

AWS IAM aws iam policy privilege-escalation
2r 1t
medium advisory

AWS ECR Container Upload Outside Business Hours

This analytic detects the upload of a new container image to AWS Elastic Container Registry (ECR) outside of standard business hours, indicating potential unauthorized activity and leveraging AWS CloudTrail logs to identify `PutImage` events during non-business hours.

Elastic Container Registry cloud aws ecr container
2r 1t
low advisory

Rapid Enumeration of AWS S3 Buckets via API Calls

An AWS principal from a single source IP rapidly invokes read-only S3 control-plane APIs, revealing bucket posture across many buckets in a short time, potentially indicating automated reconnaissance or post-compromise enumeration.

Amazon S3 aws cloudtrail s3 reconnaissance
2r 4t
low advisory

AWS IAM User Added to Group with Elevated Privileges

An AWS IAM user was added to an IAM group which could lead to credential misuse, lateral movement, or privilege escalation if the group has elevated or admin privileges.

IAM cloud aws credential access privilege escalation
2r 3t
medium advisory

AWS EC2 EBS Snapshot Access Permissions Removed

Detection of AWS EC2 EBS snapshot access permissions removal can indicate malicious attempts to disrupt data recovery, evade detection, or maintain exclusive backup access, leading to increased attack impact and incident response complexity.

EC2 +1 aws ebs snapshot impact
2r 4t
medium advisory

AWS WAF Rule or Rule Group Deletion

Detection of AWS WAF rule or rule group deletions, which can weaken web application security and expose applications to various attacks.

AWS WAF aws waf defense-evasion cloud
2r 1t
high advisory

AWS Virtual MFA Device Registration Attempt

An adversary attempts to register a virtual MFA device to an AWS account, potentially leading to account takeover and unauthorized access to resources.

AWS Identity and Access Management aws persistence mfa account_takeover
2r 1t
medium advisory

AWS RDS DB Instance Restored for Defense Evasion or Data Collection

Detection of AWS RDS database instance restoration from a snapshot or S3 backup, potentially indicating unauthorized data access, defense evasion, or data collection by adversaries recreating database environments to bypass controls or exfiltrate sensitive data.

RDS cloud aws defense-evasion data-collection
3r 3t
medium advisory

AWS KMS Key User Performing S3 Encryption Detection

Detection of AWS users utilizing KMS keys to perform encryption operations on S3 buckets, indicating potential misuse or malicious activity within the cloud environment.

AWS Key Management Service +3 cloud aws kms s3 encryption
2r 1t
high advisory

AWS IAM Persistence via User Session Token

This brief covers detection of potential persistence techniques in AWS environments through the use of compromised user session tokens to make IAM API calls, potentially leading to unauthorized privilege escalation or resource access.

IAM aws persistence cloud
2r 1t
medium advisory

AWS IAM Long-Term Access Key First Seen from Source IP

The rule identifies the first time a long-term IAM access key ID (prefix AKIA) is used successfully from a given source.ip in AWS CloudTrail, indicating potential credential compromise.

AWS IAM aws cloudtrail iam credential-access
2r 2t
high advisory

AWS GuardDuty Detector Deletion

Detection of AWS GuardDuty detector deletion via the DeleteDetector API, potentially indicating defense evasion by an attacker disabling threat monitoring and removing findings.

GuardDuty cloud aws defense-evasion
2r 1t
low advisory

AWS CloudTrail Trail Update Detection

Detection of AWS CloudTrail trail updates via the UpdateTrail API, potentially indicating malicious attempts to reduce logging visibility, change log destinations, or weaken log integrity, enabling adversaries to evade detection.

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

AWS S3 Bucket Replication Abuse via Batch Service for Data Exfiltration

Attackers can abuse the AWS Batch service to exfiltrate data from S3 buckets by creating malicious batch jobs that leverage S3 bucket replication.

AWS S3 +1 aws s3 data-exfiltration batch-service
2r 2t
medium advisory

AWS EC2 Network Access Control List Deletion

The deletion of an Amazon EC2 network access control list (ACL) or its entries can indicate an attacker attempting to disable security controls for unauthorized access or data exfiltration.

AWS EC2 cloud aws ec2 network-security defense-evasion
2r 1t
medium advisory

AWS CloudTrail Logging Suspended via StopLogging API

An attacker may suspend AWS CloudTrail logging via the StopLogging API (StopLogging) to eliminate audit visibility and evade defenses.

CloudTrail aws defense_evasion
3r 2t
medium advisory

AWS EC2 Traffic Mirroring Abuse for Data Exfiltration

An attacker creates an Amazon EC2 Traffic Mirroring session to capture and exfiltrate sensitive network traffic from EC2 instances, potentially including unencrypted data.

EC2 Traffic Mirroring aws ec2 traffic-mirroring exfiltration
2r 5t
medium advisory

AWS IAM Access Denied Discovery Events

This detection identifies potential reconnaissance activity by an attacker attempting to discover AWS IAM permissions and configurations by generating a high volume of access denied events.

AWS IAM cloud aws iam reconnaissance
2r 1t
medium advisory

AWS CloudTrail Trail Deletion Detected

Detection of AWS CloudTrail trail deletion via the DeleteTrail API indicates potential defense evasion and destruction of audit logging.

AWS CloudTrail cloudtrail aws defense-evasion
2r 2t
medium advisory

Cloud Instance Modified by Previously Unseen User

This analytic identifies cloud instances being modified by users who have not previously modified them, specifically focusing on successful modifications of EC2 instances, potentially indicating unauthorized access and configuration changes.

EC2 +1 cloud aws anomaly
2r 2t
medium advisory

AWS RDS Snapshot Export to S3 for Potential Data Exfiltration

An adversary may export RDS snapshots to Amazon S3 to exfiltrate sensitive data outside of RDS-managed storage, potentially bypassing database access controls and leading to unauthorized data theft.

RDS +1 aws s3 exfiltration cloudtrail
2r 1t
medium advisory

AWS Bedrock Knowledge Base Deletion Attempt

An adversary may delete AWS Bedrock Knowledge Bases, which are resources that store and manage domain-specific information for AI models, to disrupt business operations or remove traces of data access by using the DeleteKnowledgeBase API call.

AWS Bedrock +1 aws bedrock knowledge_base deletion cloudtrail
2r 2t
medium advisory

AWS ECR Container Scanning Reveals Low Severity Vulnerabilities

This analytic identifies low, informational, or unknown severity findings from AWS Elastic Container Registry (ECR) image scans using AWS CloudTrail logs, indicating potential vulnerabilities or misconfigurations in container images that could lead to unauthorized access or data breaches.

Elastic Container Registry aws ecr container vulnerability
2r 1t 1c
medium advisory

AWS User Login Profile Update by Different User

A user updating the login profile of another user in AWS CloudTrail logs may indicate privilege escalation attempts.

AWS Identity and Access Management aws cloudtrail iam privilege-escalation
2r 1t
medium advisory

AWS STS Role Assumption by Service for Privilege Escalation

Detection of AWS services assuming roles within AWS Security Token Service (STS) to gain temporary credentials and potentially escalate privileges or move laterally within the AWS environment.

AWS Security Token Service aws sts privilege-escalation lateral-movement
2r 2t
low advisory

AWS S3 Bucket Configuration Deletion

Detection of Amazon S3 bucket configuration deletions, such as bucket policies or encryption settings, indicating potential defense evasion or impact attempts by adversaries who may delete logging or policy configurations to disrupt forensic visibility and inhibit recovery.

Amazon S3 aws s3 defense_evasion impact
2r 5t
medium advisory

AWS KMS Customer Managed Key Disabled or Scheduled for Deletion

An adversary may disable or schedule the deletion of an AWS customer-managed KMS Key to cause irreversible data loss, disrupt business operations, impede incident response, or hide evidence of prior activity.

AWS Key Management Service cloud aws kms datadestruction
2r 1t
medium advisory

AWS IAM SAML Provider Updated Detection

Detection of unauthorized updates to AWS IAM SAML providers, potentially leading to privilege escalation and persistent access via trust manipulation.

AWS IAM aws iam saml privilege-escalation defense-evasion
2r 2t
medium advisory

AWS GuardDuty Member Account Manipulation

Adversaries may attempt to disassociate or manipulate Amazon GuardDuty member accounts within an AWS organization to break centralized visibility, allowing them to operate undetected in member accounts.

GuardDuty aws defense_evasion
2r 1t
low advisory

AWS DynamoDB Table Export to S3 Detection

Detects the initial export of an AWS DynamoDB table to S3, potentially indicating reconnaissance or exfiltration by a compromised account or insider threat.

AWS DynamoDB +2 aws dynamodb exfiltration
2r 2t
high advisory

AWS Data Exfiltration via DataSync Task Creation

An attacker may create an AWS DataSync task to exfiltrate data from a private AWS location to a public one, leading to data compromise, detected by monitoring AWS CloudTrail logs for the `CreateTask` event from the DataSync service.

AWS DataSync aws datasync data-exfiltration cloudtrail
2r 1t
high advisory

AWS CloudTrail Stop Logging Detection

Detection of adversaries stopping CloudTrail logging to evade detection and operate stealthily within a compromised AWS environment.

AWS CloudTrail aws cloudtrail defense-evasion
2r 1t
high advisory

AWS Network ACL Created with All Ports Open

An AWS Network Access Control List (ACL) is created with all ports open, potentially exposing resources to unrestricted network access.

Network ACL +1 cloud aws
2r 1t
high advisory

AWS Account Console Login from Multiple IPs

An AWS account successfully authenticating from multiple unique IP addresses within a 5-minute window may indicate compromised credentials, potentially from a phishing attack.

AWS credential-compromise cloud
2r 2t
high advisory

Unauthorized AWS ECR Container Upload by Unknown User

The analytic detects unauthorized container uploads to AWS Elastic Container Service (ECR) by monitoring AWS CloudTrail events and identifying instances where a new container is uploaded by a user not previously recognized as authorized, potentially indicating a compromise or misuse of AWS ECR.

AWS Elastic Container Registry +3 cloud aws ecr container
2r 1t
medium advisory

Successful AWS IAM Group Deletion Detection

Successful deletion of an AWS IAM group, while not inherently malicious, can indicate insider threat activity, account compromise, or attempts to remove audit trails, and should be monitored.

IAM aws cloud deletion
2r 1t
medium advisory

Spike in AWS Security Hub Alerts for EC2 Instance

Detects a sudden increase in security alerts generated by AWS Security Hub related to a specific EC2 instance, potentially indicating active compromise or misconfiguration.

EC2 cloud aws securityhub alert-spike
2r 6t
high advisory

Multiple Cloud Secrets Accessed by Source Address

A single source IP accessing secret-management APIs across multiple cloud providers (AWS, GCP, Azure) and Kubernetes clusters within a short timeframe indicates credential theft or token replay for secret harvesting.

AWS Secrets Manager +3 cloud credential-access kubernetes
2r 1t
high advisory

Kubernetes Unauthorized Access Attempt Detection

This analytic detects unauthorized access attempts to Kubernetes by analyzing Kubernetes audit logs, identifying anomalies in access patterns based on request source and response statuses, potentially leading to unauthorized control over Kubernetes resources.

Kubernetes +1 unauthorized_access cloud
2r 1t
high advisory

Kubernetes Pod Exec Cloud Instance Metadata Access

Detection of Kubernetes pod exec sessions accessing cloud instance metadata endpoints, indicating potential credential theft from AWS, GCP, or Azure.

AWS IMDS +2 kubernetes cloud credential_access execution
2r 2t
medium advisory

Kubernetes DaemonSet Deployment Detected

The creation of a Kubernetes DaemonSet is detected via Kubernetes Audit logs, indicating a potential attempt to maintain persistent access and control within the cluster by ensuring a specific pod runs on every node.

Kubernetes +1 daemonset persistence
2r 1t 2i
medium advisory

Cloud Provisioning Activity From Previously Unseen Region

This analytic detects cloud provisioning activities originating from previously unseen regions by identifying resource creation events and cross-referencing them with a baseline of known regions, potentially indicating unauthorized access or misuse of cloud resources.

AWS cloud provisioning anomaly
2r 1t
medium advisory

Cloud Provisioning Activity From Previously Unseen IP Address

This analytic detects cloud provisioning activities originating from previously unseen IP addresses by leveraging cloud infrastructure logs to identify events where resources are created or started, and cross-references these with a baseline of known IP addresses.

AWS cloud cloudtrail anomaly-detection
2r 1t
high advisory

Cloud Compute Instance Created With Previously Unseen Image

This analytic detects the creation of cloud compute instances using previously unseen image IDs, potentially indicating unauthorized or suspicious activity like malicious payload deployment or unauthorized access, leading to data breaches or further cloud environment compromise.

EC2 cloud aws cloudtrail compute_instance anomaly
2r 2t
medium advisory

AWS User Performing S3 Encryption with KMS Keys

A user with KMS keys is performing encryption operations on S3 buckets, potentially masking exfiltration or tampering efforts by encrypting sensitive data to evade detection or preparing it for exfiltration.

S3 +1 aws encryption ransomware
2r 1t
medium advisory

AWS SQS Queue Purge Detection

Detection of AWS Simple Queue Service (SQS) queue purging, which adversaries may leverage to disrupt application workflows, destroy operational data, or impair monitoring and alerting systems by removing critical evidence of malicious activity.

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

AWS Security Services Impairment via Deletion Operations

Attackers attempt to impair or disable AWS security services such as GuardDuty, WAF, CloudWatch, Route 53 and CloudWatch Logs by deleting detectors, rule groups, IP sets, web ACLs, logging configurations, alarms and log streams, in order to evade detection and operate undetected.

AWS GuardDuty +4 aws cloudtrail defense-evasion
3r 1t
high advisory

AWS S3 Exfiltration Behavior Identified via Risk Correlation

This correlation identifies potential AWS S3 exfiltration behavior by correlating multiple risk events related to Collection and Exfiltration techniques, triggered when multiple analytics and distinct MITRE ATT&CK IDs are triggered for a specific risk object, indicating a potential data exfiltration attempt.

S3 +3 aws exfiltration cloud
2r 2t
critical advisory

AWS S3 Bucket Public Access Configuration

Detection of publicly accessible AWS S3 buckets created via PutBucketAcl operations, potentially leading to unauthorized data access, tampering, or exfiltration.

Amazon S3 aws s3 bucket acl public misconfiguration data-breach
2r 1t
high advisory

AWS Route 53 Domain Transfer Lock Disabled

The disabling of the transfer lock on an AWS Route 53 domain is detected, potentially indicating unauthorized domain transfer, takeover, or service disruption by an adversary gaining domain-management permissions.

Route 53 aws route53 domain-hijacking persistence
2r 3t
medium advisory

AWS RDS DB Instance or Cluster Deleted

An adversary with sufficient permissions may delete RDS resources such as DB instances or clusters to impede recovery, destroy evidence, or inflict operational impact on the environment.

Amazon RDS +1 cloud aws rds datadestruction
2r 1t
medium advisory

AWS Network ACL Deletion Detection

Detection of AWS Network Access Control List (ACL) deletion via CloudTrail logs, potentially indicating malicious attempts to bypass network security controls and gain unauthorized access.

AWS cloudtrail network acl defense-evasion
2r 1t
high advisory

AWS Network Access Control List Deletion Detected

Detection of AWS Network Access Control List (ACL) deletion events via CloudTrail logs indicates a potential attempt to weaken network security controls.

AWS Network Access Control List aws cloudtrail network-acl defense-evasion
3r 1t
high advisory

AWS Network Access Control List Created with All Open Ports

An AWS Network Access Control List (NACL) configured to allow all ports and protocols, potentially exposing resources to unauthorized access.

AWS Network Access Control List cloud aws network-acl misconfiguration
2r 1t
high advisory

AWS Multi-Factor Authentication Disabled

Detection of AWS Multi-Factor Authentication (MFA) being disabled for an IAM user, indicating potential weakening of account security and persistence attempts.

AWS Identity and Access Management aws cloudtrail mfa iam persistence
2r 3t
high advisory

AWS Management Console Failed Login Attempts

Detection of repeated failed login attempts to the AWS Management Console, potentially indicating brute-force or credential access attempts by threat actors aiming to compromise AWS accounts.

AWS Management Console aws cloudtrail credential-access brute-force
2r 2t
high advisory

AWS Login Profile Creation Followed by Console Login

Detection of an AWS user creating a login profile for another user, followed by a console login from the same source IP, potentially indicating privilege escalation.

AWS CloudTrail +2 aws privilege-escalation persistence
2r 2t
medium advisory

AWS Login Profile Creation Activity

Monitoring AWS login profile creation events can help identify potentially malicious user or role creation activities within an AWS environment.

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

AWS KMS Key Creation with Public Encryption Policy

An attacker may create AWS KMS keys with a permissive encryption policy, granting `kms:Encrypt` permissions to all principals, potentially leading to unauthorized encryption and data compromise across multiple organizations.

AWS Key Management Service aws kms encryption misconfiguration ransomware
2r 1t
medium advisory

AWS IAM Virtual MFA Device Registration Attempt with Session Token

An adversary with compromised temporary AWS credentials attempts to establish persistence by creating or enabling a virtual MFA device, bypassing expected session token usage.

IAM cloud aws persistence
2r 3t
high advisory

AWS IAM UpdateLoginProfile Privilege Escalation

A user updating another user's login profile in AWS CloudTrail, potentially indicating privilege escalation.

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

AWS IAM Session Token Used From Multiple Addresses

Compromised AWS IAM session tokens are used from multiple IP addresses, networks, cities, and user agents within a short timeframe, indicating potential credential theft and abuse.

IAM aws cloudtrail credential-theft initial-access
2r 1t
medium advisory

AWS IAM Policy Deletion Detection

Detection of AWS IAM policy deletion events, which could indicate malicious activity by a compromised account or insider threat.

AWS IAM aws iam policy cloudtrail
2r 1t
high advisory

AWS IAM Policy Default Version Manipulation

An adversary may set a default policy version in AWS IAM to potentially escalate privileges, especially if previous policy versions granted broader permissions, leading to unauthorized access and data breaches.

AWS Identity and Access Management aws iam privilege-escalation defense-evasion
2r 2t
medium advisory

AWS IAM MFA Device Deactivation

Detection of AWS IAM MFA device deactivation via the `DeactivateMFADevice` API call, which could indicate an attempt to weaken account protections for privilege escalation or persistence.

AWS Identity and Access Management aws iam mfa deactivation cloudtrail
2r 3t
high advisory

AWS IAM Account Concurrent Sessions from Multiple IPs

Detection of AWS IAM accounts exhibiting concurrent sessions originating from different IP addresses within a short timeframe, potentially indicating session hijacking.

AWS IAM cloud aws iam session-hijacking
2r 1t
medium advisory

AWS IAM AccessDenied Discovery Events

Detection of excessive AccessDenied events within an hour for AWS IAM users, indicating a potential compromised access key used for unauthorized discovery actions.

AWS IAM aws cloudtrail iam accessdenied discovery
2r 1t
medium advisory

AWS Excessive Security Scanning Detection

Detection of excessive AWS API calls indicative of reconnaissance by an attacker attempting to map an AWS environment.

AWS cloudtrail reconnaissance
2r 1t
medium advisory

AWS EFS File System Deletion Detected

An adversary with sufficient permissions deletes an Amazon EFS file system using the 'DeleteFileSystem' API operation to destroy evidence, disrupt workloads, or impede recovery efforts.

Elastic File System aws efs data-destruction impact
2r 1t
medium advisory

AWS ECR Container Upload Anomaly Outside Business Hours

This detection identifies uploads of new containers to AWS Elastic Container Registry (ECR) outside of standard business hours, potentially indicating unauthorized access or malicious deployments.

AWS +1 cloud ecr anomaly
2r 1t
medium advisory

AWS ECR Container Scanning Reveals Medium Severity Vulnerabilities

AWS Elastic Container Registry (ECR) image scans reveal medium-severity vulnerabilities, potentially leading to unauthorized access and data breaches if exploited within containerized applications.

Elastic Container Registry cloud aws ecr container vulnerability
2r 1t 1c
high advisory

AWS EC2 Snapshot Shared Externally

Detection of AWS EC2 snapshot shared publicly, indicating potential data exfiltration, by analyzing AWS CloudTrail events.

EC2 aws snapshot data exfiltration cloudtrail
2r 1t
high advisory

AWS EC2 Snapshot Exfiltration Attempt

This analytic detects potential exfiltration of data from AWS EC2 instances through the suspicious creation, modification, and deletion of EC2 snapshots within a short timeframe, potentially leading to unauthorized data access.

EC2 aws snapshot data_exfiltration cloudtrail
2r 1t
critical advisory

AWS Credential Access via GetPasswordData API Abuse

An attacker attempts to retrieve encrypted administrator passwords for running Windows instances by abusing the AWS GetPasswordData API, potentially leading to full control over the affected instances.

AWS EC2 cloud aws credential-access ec2
2r 3t
medium advisory

AWS Console Login Failed During MFA Challenge

Detection of failed AWS console login attempts despite successful MFA usage, indicating potential account compromise attempts.

AWS Management Console +1 aws cloud authentication mfa account-takeover
2r 2t
medium advisory

AWS Console Login by User from New Country

This detection identifies AWS console logins by a user originating from a country not previously associated with that user, potentially indicating account compromise.

AWS Management Console +1 aws cloud identity account-compromise
2r 1t
medium advisory

AWS Console Login by New User

Detects first-time AWS console login, which can indicate compromised credentials or malicious account creation.

AWS cloud initial_access
2r 1t
medium advisory

AWS CloudWatch Log Stream Deletion

Detection of Amazon CloudWatch log stream deletion via the 'DeleteLogStream' API, potentially indicating defense evasion or impact by adversaries aiming to conceal activity and disrupt security monitoring.

CloudWatch Logs aws cloudwatch log-deletion defense-evasion
2r 3t
high advisory

AWS CloudWatch Log Group Deletion for Defense Evasion

The deletion of AWS CloudWatch log groups, detected via CloudTrail logs, indicates a potential defense evasion attempt by adversaries aiming to remove audit trails and hinder incident response.

AWS CloudWatch cloud aws defense-evasion
2r 1t
medium advisory

AWS CloudWatch Alarm Deletion for Defense Evasion

Successful deletion of Amazon CloudWatch alarms via the `DeleteAlarms` API, potentially indicating an adversary attempting to impair visibility, silence alerts, and evade detection after malicious activity within an AWS environment.

CloudWatch defense-evasion aws
2r 2t
high advisory

AWS CloudTrail UpdateTrail Defense Evasion

An attacker modifies AWS CloudTrail configurations, specifically using the UpdateTrail API, to evade detection by impairing logging of their activities across multiple regions.

CloudTrail aws defense-evasion cloud
2r 1t
low advisory

AWS CloudTrail Trail Creation Detected

Detection of new AWS CloudTrail trail creation, potentially indicating malicious activity such as subverting monitoring objectives or capturing sensitive data by adversaries.

CloudTrail aws collection defense_evasion
2r 2t
high advisory

AWS CloudTrail Logging Modification for Defense Evasion

Attackers modify AWS CloudTrail logging configurations to evade detection by disabling or altering logging, hindering security visibility and potentially allowing further malicious activities to go unnoticed.

AWS CloudTrail aws cloudtrail defense-evasion
2r 1t
high advisory

AWS CloudTrail Log Deletion for Defense Evasion

An adversary deletes AWS CloudTrail logs to evade detection and operate stealthily within a compromised AWS environment, removing audit trails of their malicious activity.

CloudTrail aws defense-evasion cloud
2r 1t
medium advisory

AWS Bedrock Invoke Model Access Denied Attempt

Detection of AccessDenied errors when attempting to invoke AWS Bedrock models via the InvokeModel API indicates potential reconnaissance or privilege escalation attempts by an adversary with compromised credentials.

AWS Bedrock aws bedrock access-denied privilege-escalation
2r 2t
high advisory

AWS Account Console Login Without MFA

Detection of successful AWS console login events without multi-factor authentication (MFA) enabled, potentially indicating misconfiguration, policy violation, or account compromise.

AWS Identity and Access Management +1 aws cloud iam authentication account-takeover
2r 2t
high advisory

AWS Account Compromise via New MFA Registration

An adversary may register a new Multi-Factor Authentication (MFA) method for an AWS account using the `CreateVirtualMFADevice` event in AWS CloudTrail logs to maintain persistence and evade detection in a compromised AWS account.

AWS +1 cloudtrail mfa persistence
2r 2t
medium advisory

AWS Suspicious User Agent Detected in CloudTrail

Successful AWS API calls with CloudTrail user agents indicating offensive tooling (Kali Linux) or credential verification (TruffleHog) can indicate compromised credentials or unauthorized access.

AWS cloudtrail initial-access credential-access
2r 2t
high advisory

AWS S3 Bucket Versioning Disabled

An adversary disables AWS S3 bucket versioning, preventing recovery of deleted or modified data as a potential precursor to data exfiltration or ransomware activity.

S3 aws bucket_versioning data_protection ransomware
2r 1t
high advisory

AWS RDS Master User Password Reset Detection

Detection of unauthorized master user password resets for Amazon RDS DB instances via AWS CloudTrail logs, potentially leading to sensitive data access and data breaches.

Amazon RDS cloud aws credential-access rds
2r 2t
high advisory

AWS MFA Bombing Attack Attempt

An attacker attempts to bypass MFA by flooding a user with authentication requests on the AWS console, as detected through AWS CloudTrail logs showing multiple failed MFA attempts within a short timeframe.

AWS mfa credential-access defense-evasion
2r 2t
low advisory

AWS IAM Group Creation for Persistence

An adversary with compromised IAM write privileges creates a new group in AWS IAM and grants it excessive permissions to establish a persistence mechanism.

AWS Identity and Access Management aws iam persistence cloud
2r 1t
high advisory

AWS High Number of Failed Console Login Attempts

An IP address exhibiting more than 20 failed AWS console login attempts within a 5-minute window, indicative of potential brute-force or password spraying attacks against AWS accounts.

AWS cloudtrail brute-force password-spraying credential-access
2r 2t
high advisory

AWS Console Login Password Spraying

A single source IP failing to authenticate into the AWS Console with multiple valid users, potentially indicating a password spraying attack against cloud resources.

AWS Console aws cloudtrail password-spraying
2r 3t
medium advisory

High Number of AWS Bedrock List Foundation Model Failures

Detection of a high number of AccessDenied errors when attempting to list AWS Bedrock foundation models, indicating potential reconnaissance activity after credential compromise to discover accessible AI models.

Bedrock aws reconnaissance cloudtrail
2r 1t
medium advisory

AWS EC2 Instance Export for Potential Exfiltration

An attacker with compromised AWS credentials or EC2 instance access can leverage EC2 export functionalities (CreateInstanceExportTask, ExportImage, or CreateStoreImageTask) to exfiltrate sensitive data by exporting EC2 instances or their images to external storage.

EC2 +2 aws exfiltration cloudtrail
2r 5t
medium advisory

Suspicious AWS ECR Container Upload Outside Business Hours

An AWS Elastic Container Registry (ECR) container image upload occurring outside of normal business hours can indicate suspicious or malicious activity, such as an attacker attempting to deploy compromised containers.

AWS Elastic Container Registry cloud aws ecr container
2r 1t
medium advisory

First Time Seen AWS Secret Value Accessed in Secrets Manager

This rule detects the first time a specific user identity has programmatically retrieved a secret value from AWS Secrets Manager using the GetSecretValue action, which may indicate a compromised AWS service attempting to access secrets.

AWS Secrets Manager cloud aws credential-access
2r 1t
medium threat

AWS SSM Inventory Reconnaissance by Rare User

Detection of a rare user or role accessing AWS Systems Manager (SSM) inventory APIs or running the AWS-GatherSoftwareInventory job, potentially indicating reconnaissance activity by threat actors seeking information about managed EC2 instances.

AWS Systems Manager +1 Scattered Spider (LUCR-3) aws ssm inventory reconnaissance cloudtrail
2r 3t
low advisory

AWS SNS Topic Created by Rare User

An AWS SNS topic was created by a user who does not typically perform this action, potentially indicating resource development for data exfiltration or other malicious activities.

Simple Notification Service cloud aws sns resource-development impact
2r 2t
medium advisory

AWS S3 Bucket Policy Added to Allow Public Access

An AWS S3 bucket policy was modified to grant public access using a wildcard (Principal:"*") statement, potentially allowing data exfiltration or malicious content hosting.

Amazon S3 aws s3 exfiltration cloud
2r 2t
medium advisory

AWS Route 53 Private Hosted Zone Associated With Unauthorized VPC

An adversary with sufficient permissions may associate unauthorized VPCs to intercept, observe, or reroute internal traffic, establish persistence, or expand their visibility within an AWS environment by associating a Route 53 private hosted zone with a new Virtual Private Cloud (VPC).

Route 53 cloud aws route53 persistence
2r 3t
high advisory

AWS Route 53 Domain Transferred to Another Account

An AWS Route 53 domain was transferred to another AWS account, potentially leading to unauthorized control over DNS records and traffic redirection for malicious purposes, such as phishing or establishing persistence.

Route 53 aws route53 domain-transfer persistence resource-development
2r 2t
high advisory

AWS Network Access Control List Created with All Open Ports

The analytic detects the creation of AWS Network Access Control Lists (ACLs) with all ports open to a specified CIDR by monitoring `CreateNetworkAclEntry` or `ReplaceNetworkAclEntry` actions with rules allowing all traffic, potentially leading to unauthorized network access.

Splunk Enterprise +3 cloud aws network-acl misconfiguration
2r
medium advisory

AWS Management Console Root Login Detected

Detection of a successful AWS Management Console login by the Root user, which is an original identity with unrestricted privileges, indicates a potential security breach requiring immediate investigation.

AWS Management Console +2 cloud aws initial-access
2r 2t
high advisory

AWS Management Console Brute Force of Root User Identity

Detection of a high number of failed login attempts to the AWS Management Console targeting the root user, which can indicate a brute-force attack to gain complete access to the AWS account.

AWS Management Console aws brute-force credential-access
2r 1t
medium advisory

AWS IAM SAML Provider Creation for Persistence

Detects the creation of a new SAML Identity Provider (IdP) in AWS IAM, potentially indicating an adversary establishing persistent, federated access to AWS accounts by forging SAML assertions from an IdP they control.

IAM aws saml persistence cloud
3r 3t
medium advisory

AWS IAM Operations via Compromised CloudShell

Compromised AWS console sessions can lead to attackers performing sensitive IAM operations via CloudShell to establish persistence or escalate privileges.

AWS CloudShell +2 cloudshell aws iam persistence privilege-escalation
2r 4t
medium advisory

AWS IAM Key Creation with Encryption Policy but Without MFA

Detection of AWS IAM users creating access keys with encryption policies applied while failing to use multi-factor authentication, potentially indicating compromised accounts or malicious privilege escalation.

Identity and Access Management aws iam access_key encryption mfa
2r 2t
high advisory

AWS ECR Container Upload by Unknown User

An unauthorized user uploaded a new container image to AWS Elastic Container Registry (ECR), potentially leading to the deployment of malicious containers and further compromise of the AWS environment.

AWS Elastic Container Registry aws ecr container upload
2r 1t
low advisory

AWS ECR Container Scanning Findings Placeholder

This is a placeholder brief due to the provided text being a GitHub navigation page, indicating no specific threat or attack details are available, and therefore serves as a template for future threat intelligence extraction related to AWS ECR container scanning.

Elastic Container Registry cloud aws ecr container-security
2r 3t
low advisory

AWS EC2 Network Access Control List Creation

The rule detects the creation of an AWS EC2 network access control list (ACL) or an entry in a network ACL with a specified rule number, which adversaries may exploit to establish persistence or defense evasion by creating permissive rules.

Amazon EC2 cloud aws ec2 network-acl persistence defense-evasion
2r 3t
low advisory

AWS DynamoDB Scan by Unusual User

Detection of unusual DynamoDB scan activity in AWS environments, potentially indicating exfiltration of sensitive information by an adversary using compromised credentials or a rogue insider.

DynamoDB aws exfiltration cloudtrail
2r 3t
medium advisory

AWS Config Resource Deletion for Defense Evasion

An adversary may delete AWS Config resources to evade detection, hide prior activity, or weaken governance controls, which reduces security visibility and auditability within an AWS environment.

AWS Config cloud defense-evasion aws
2r 2t
high advisory

AWS Config Configuration Recorder Stopped

Detection of AWS Config configuration recorder being stopped, potentially by an adversary to evade detection and obscure activity.

AWS Config aws cloudtrail defense-evasion configuration-change
2r 2t
low advisory

AWS CloudShell Environment Created

The creation of a new AWS CloudShell environment is detected, potentially indicating unauthorized access for command execution within AWS by adversaries without needing local CLI credentials.

AWS CloudShell cloud aws cloudshell
2r 1t
high advisory

Anomalous Cloud Compute Instance Creation by Unseen User

Detection of cloud compute instance creation by a user with no prior history of creating instances, potentially indicating unauthorized access, account compromise, or misuse of cloud resources leading to data exfiltration, increased costs, or further exploitation.

EC2 cloud_security anomaly_detection aws
2r 1t
medium advisory

Unusual EC2 Instance Creation with Unseen Instance Type

An attacker may create new EC2 instances with previously unseen instance types, indicating potential unauthorized or suspicious activity such as cryptomining or data exfiltration.

EC2 cloud anomaly cryptomining
2r 1t
medium advisory

AWS WAF Access Control List Deletion

Detection of AWS Web Application Firewall (WAF) Web ACL deletion, which adversaries may perform to disable security controls, evade detection, and prepare for subsequent attacks, potentially leading to web-application compromise, data theft, or resource abuse.

AWS WAF +3 cloud aws waf defense-evasion
2r 1t
low advisory

AWS IAM Assume Role Policy Update

An attacker modifies an AWS IAM role's trust policy to gain the privileges of the role, potentially leading to privilege escalation and persistence within the AWS environment.

AWS IAM cloud aws iam privilege-escalation persistence
2r 3t
high advisory

AWS IAM Assume Role Policy Brute Force Attack

Detection of brute force attacks against AWS IAM roles by identifying multiple failed AssumeRole attempts using CloudTrail logs, potentially leading to unauthorized access and resource compromise.

AWS IAM aws iam brute_force cloudtrail
1r 2t
low advisory

AWS Account Discovery By Rare User

Detects the first-time enumeration of AWS Organizations or IAM accounts by a user, potentially indicating reconnaissance by compromised credentials.

AWS +2 cloud discovery account-enumeration
2r 2t