February 2026 (6)
Copeland XWEB and XWEB Pro Multiple Vulnerabilities
2 rules 6 TTPsMultiple vulnerabilities in Copeland XWEB and XWEB Pro versions 1.12.1 and earlier could allow attackers to bypass authentication, inject commands, and execute arbitrary code, leading to complete system compromise.
Fortigate VPN Exploit Attempt via CVE-2023-27997 and Suspicious User-Agent
3 rules 2 TTPsMultiple IDS alerts indicate potential exploitation attempts against Fortigate VPN servers using CVE-2023-27997, alongside traffic from a suspicious user agent, possibly indicating reconnaissance or exploit activity.
VMware Aria Operations Vulnerabilities Allow Remote Code Execution and Privilege Escalation
2 rules 2 TTPsMultiple vulnerabilities in VMware Aria Operations, Cloud Foundation, and Telco Cloud Platform/Infrastructure could allow unauthenticated remote code execution (CVE-2026-22719) and privilege escalation (CVE-2026-22720, CVE-2026-22721).
Critical Vulnerabilities in FreeScout Help Desk Allow Remote Code Execution
2 rules 2 TTPsCritical vulnerabilities, CVE-2026-27636 and CVE-2026-27637, exist in FreeScout Help Desk that could be exploited to achieve remote code execution, potentially leading to data exfiltration and system compromise.
Ongoing Exploitation of Cisco SD-WAN Systems
3 rules 4 TTPsMalicious actors are actively exploiting CVE-2026-20127 for initial access and CVE-2022-20775 for privilege escalation and persistence on Cisco SD-WAN systems globally.
Active Exploitation of Apache ActiveMQ RCE Vulnerability (CVE-2023-46604)
2 rules 2 TTPsCVE-2023-46604 is a remote code execution vulnerability affecting Apache ActiveMQ that is actively exploited in the wild by ransomware operators, allowing remote attackers to execute arbitrary shell commands.
December 2024 (6)
AWS EC2 Deprecated AMI Discovery
2 rules 1 TTPA 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deprecated Amazon Machine Images (AMIs) in AWS via the DescribeImages API call may indicate an adversary looking for outdated and potentially vulnerable AMIs for exploitation.
AWS SAML Provider Deletion Activity
2 rules 2 TTPsAn adversary may delete an AWS SAML provider to disrupt administrative access, hindering incident response and potentially escalating privileges within the AWS environment.
Suspicious AWS EC2 Key Pair Import Activity
2 rules 1 TTPThe 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.
AWS S3 Unauthenticated Bucket Access by Rare Source
2 rules 4 TTPsThis rule detects AWS CloudTrail events indicative of unauthenticated sources attempting to access an S3 bucket, potentially exposing sensitive data due to misconfigured bucket policies.
Potential Web Shell ASPX File Creation
2 rules 1 TTPThe creation of ASPX files in web server directories, excluding legitimate processes, indicates potential web shell deployment for persistence on Windows systems.
Azure Entra ID MFA TOTP Brute Force Attempted
3 rules 1 TTPIdentifies brute force attempts against Azure Entra multi-factor authentication (MFA) Time-based One-Time Password (TOTP) verification codes, characterized by high-frequency failed attempts for a single user across numerous distinct sessions, potentially indicating programmatic attempts to bypass MFA.
November 2024 (18)
AWS STS AssumeRoot by Rare User and Member Account
2 rules 3 TTPsThe rule detects when the STS AssumeRoot action is performed by a rare user in AWS, potentially indicating privilege escalation.
AWS SNS Rare Protocol Subscription by User
2 rules 4 TTPsA 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.
Outlook Home Page Registry Modification for Command and Control or Persistence
2 rules 2 TTPsAttackers abuse the Outlook Home Page functionality by modifying specific registry keys to point to attacker-controlled URLs or file paths, enabling command and control or persistence on compromised Windows systems.
Entra ID Sign-in Brute Force Attempt Against Microsoft 365
2 rules 1 TTPA high volume of failed Microsoft Entra ID sign-in attempts against Microsoft 365 services within a short time period indicates a potential brute-force attack, which could lead to unauthorized access to Microsoft 365 services.
M365 Identity Login from Atypical Travel Location
2 rules 1 TTPThis rule detects successful Microsoft 365 portal logins from rare locations, potentially indicating an adversary attempting to access an account from an unusual location or behind a VPN.
Windows SIP Provider Modification for Defense Evasion
1 rule 1 TTPThis brief covers the modification of Subject Interface Package (SIP) providers on Windows systems, a technique used by attackers to bypass signature validation checks and inject malicious code into critical processes, ultimately leading to defense evasion.
Bitbucket Secret Scanning Rule Deleted
2 rules 1 TTPAttackers may delete secret scanning rules in Bitbucket to impair defenses and introduce secrets into the code repository undetected, potentially leading to unauthorized access or data breaches.
ROT Encoded Python Script Execution
2 rules 2 TTPsThis analytic detects the execution of Python scripts employing ROT encoding for letter substitution, a technique used by adversaries to obfuscate malicious code within legitimate Python packages on Windows and macOS systems.
Entra ID Device Code Authentication Abuse via Malicious Broker Client
2 rules 2 TTPs 4 IOCsAdversaries are abusing Entra ID device code authentication using a malicious broker client to bypass MFA and gain unauthorized access to Azure resources by compromising Primary Refresh Tokens (PRTs).
AWS RDS DB Snapshot Shared with Another Account
2 rules 1 TTPAn 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.
Microsoft 365 Identity Login from Impossible Travel Location
2 rules 1 TTPDetects successful Microsoft 365 portal logins from impossible travel locations, defined as logins originating from two different countries within a short time frame, potentially indicating account compromise or unauthorized access.
VScode Remote Tunnel Abuse for Command and Control
2 rules 1 TTPAdversaries are leveraging the VScode remote tunnel feature to establish unauthorized access and control over Windows systems, potentially enabling command and control activities via disguised legitimate software.
Command and Scripting Interpreter via Windows Scripts
2 rules 1 TTPThis rule detects the execution of PowerShell, PowerShell ISE, or Cmd spawned from Windows Script Host or MSHTA, indicating potential abuse of scripting interpreters to execute malicious commands or scripts on Windows systems.
CrushFTP Server-Side Template Injection Exploitation
2 rules 2 TTPs 1 CVEExploitation of CVE-2024-4040, a server-side template injection vulnerability in CrushFTP, allows unauthenticated remote attackers to access files, circumvent authentication, and execute arbitrary commands.
Potential Persistence via Linux File Modification
3 rules 6 TTPsThis rule detects potential persistence attempts on Linux systems by monitoring file modifications of files commonly used for persistence, such as cron jobs, systemd services, message-of-the-day (MOTD), SSH configurations, shell configurations, runtime control, init daemon, passwd/sudoers/shadow files, Systemd udevd, and XDG/KDE autostart entries.
Rapid Multi-Region AWS Service Quota Enumeration for EC2 vCPU Limits
2 rules 2 TTPsAn 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.
LiteLLM Proxy API Key Verification SQL Injection
2 rules 1 TTPA SQL injection vulnerability exists in LiteLLM versions 1.81.16 to prior to 1.83.7 allowing an unauthenticated attacker to inject SQL queries via a crafted 'Authorization' header, potentially leading to unauthorized data access or modification.
OpenC3 COSMOS Script Runner Permissions Bypass
2 rules 1 TTPThe OpenC3 COSMOS Script Runner widget allows authenticated users to bypass API permissions checks and execute administrative actions by running specially crafted Python and Ruby scripts, leading to data manipulation and privilege escalation.