January 2024 (30)
FortiGate SSL VPN Login Followed by SIEM Alert
2 rules 1 TTPDetects FortiGate SSL VPN logins followed by a SIEM detection alert for the same user within a short timeframe, potentially indicating VPN abuse, credential compromise, or initial access followed by post-compromise activity.
Frappe Framework ERPNext 13.4.0 Sandbox Escape Vulnerability
2 rules 1 TTP 1 CVEFrappe Framework ERPNext 13.4.0 contains a sandbox escape vulnerability allowing authenticated users with System Manager role to execute arbitrary code via frame introspection and `os.popen`.
Free5GC PCF Authentication Bypass Vulnerability
2 rules 1 TTPFree5GC PCF versions prior to 1.4.3 are vulnerable to an authentication bypass due to missing middleware, allowing unauthenticated access to SM policy handlers and disclosure of subscriber SUPI.
FreeFloat FTP Server 1.0 STOR Command Buffer Overflow
2 rules 1 TTPFreeFloat FTP Server 1.0 is vulnerable to a buffer overflow in the STOR command handler, enabling remote attackers to execute arbitrary code by sending a crafted STOR request with an oversized payload.
FreeScout Stored XSS Vulnerability in Mailbox Signatures (CVE-2026-40568)
2 rules 1 CVEA stored cross-site scripting (XSS) vulnerability exists in FreeScout versions prior to 1.8.213 within the mailbox signature feature due to an incomplete HTML tag blocklist and failure to remove event handler attributes.
Frequent Azure PIM Role Activation Detected
2 rules 3 TTPsDetection of frequent role activation in Azure Privileged Identity Management (PIM) by the same user may indicate potential privilege escalation or account compromise.
Froxlor PHP Code Injection via Unescaped Single Quotes in userdata.inc.php
2 rules 2 TTPsFroxlor is vulnerable to PHP code injection due to unescaped single quotes in the userdata.inc.php generation via the MysqlServer API, where an administrator with `change_serversettings` permission can inject arbitrary PHP code, leading to arbitrary OS command execution as the web server user.
GCP Authentication Failure During MFA Challenge
2 rules 2 TTPs 1 IOCDetection of failed MFA challenges in Google Cloud Platform (GCP) using Google Workspace login failure events, potentially indicating credential compromise and unauthorized access attempts.
GCP Service Account Deletion
2 rules 1 TTPDetection of Google Cloud Platform (GCP) service account deletion, which adversaries may perform to disrupt business operations.
GCP Service Account Key Creation for Persistence
2 rules 1 TTPAn adversary may create a new key for a service account in Google Cloud Platform (GCP) to abuse the permissions assigned to that account and evade detection, potentially leading to persistent access.
GCP Storage Bucket Configuration Modification
2 rules 1 TTPThis rule detects modifications to Google Cloud Platform (GCP) storage bucket configurations, potentially indicating an adversary attempting to weaken security controls for unauthorized access or data exfiltration.
GCP Virtual Private Cloud Route Creation for Defense Evasion
2 rules 2 TTPsThe creation of a virtual private cloud (VPC) route in Google Cloud Platform (GCP) can indicate an adversary attempting to impact the flow of network traffic for defense evasion.
Geeky Bot WordPress Plugin Missing Authorization Vulnerability Leads to Remote Code Execution
2 rules 3 TTPs 1 CVEThe Geeky Bot plugin for WordPress is vulnerable to Missing Authorization in versions up to 1.2.2, allowing unauthenticated attackers to perform arbitrary plugin installation and achieve remote code execution by exploiting a nopriv AJAX route and uploading malicious ZIP files.
Geographic Improbable Location Detection
2 rules 1 TTPDetection of user logins originating from geographically distant locations within a short timeframe, indicative of potential Remote Employment Fraud or compromised credentials.
Get-Variable.exe Hijacking for Persistence
2 rules 1 TTPAttackers can establish persistence by placing a malicious Get-Variable.exe in the WindowsApps folder, hijacking the legitimate PowerShell cmdlet and executing upon PowerShell window initialization, as seen with the Colibri malware.
GitHub Activity on Private Repository from Unusual IP
2 rules 4 TTPsDetection of activity on a private GitHub repository from an unusual IP address, potentially indicating unauthorized access or exfiltration attempts.
GitHub Classic Branch Protection Rule Disabled
2 rules 2 TTPsDetection of classic branch protection rules being disabled in GitHub Organizations, potentially indicating an attempt to bypass security controls and inject malicious code.
GitHub Classic Branch Protection Rule Disabled
2 rules 2 TTPsThis analytic detects when classic branch protection rules are disabled in GitHub Organizations, potentially allowing malicious actors to bypass code review and security controls.
GitHub Dependabot Disabled to Evade Vulnerability Detection
2 rules 2 TTPsAn attacker disables GitHub Dependabot security features to prevent automatic detection of vulnerable dependencies, potentially leading to code execution, data theft, or other compromises through the software supply chain.
GitHub Enterprise 2FA Requirement Disabled
2 rules 1 TTPThe disabling of two-factor authentication (2FA) in GitHub Enterprise, detected via audit logs, weakens account security and increases the risk of account takeover and supply chain compromise.
GitHub Enterprise Audit Log Streaming Disabled
2 rules 2 TTPsA user disabling audit log event streaming in GitHub Enterprise could indicate an attacker attempting to prevent their malicious activities from being logged and detected.
GitHub Enterprise Audit Log Streaming Disabled
2 rules 1 TTPAn attacker disables audit log event streaming in GitHub Enterprise to evade detection by preventing security monitoring platforms from receiving audit events.
GitHub Enterprise Audit Log Streaming Modification
2 rules 3 TTPsDetection of modifications or disabling of audit log event streaming in GitHub Enterprise, potentially indicating an attacker attempting to evade detection by tampering with the audit trail.
GitHub Enterprise Audit Log Streaming Paused
2 rules 2 TTPsA user pausing the audit log event stream in GitHub Enterprise, potentially indicating an attempt to evade detection by disabling audit trails.
GitHub Enterprise Classic Branch Protection Disabled
2 rules 2 TTPsAn attacker disables classic branch protection rules in GitHub Enterprise, potentially to bypass code review and security controls leading to code tampering, vulnerability introduction, or supply chain compromise.
GitHub Enterprise IP Allow List Disabled
2 rules 2 TTPsAn IP allow list was disabled in GitHub Enterprise, potentially allowing unauthorized access to sensitive code repositories and GitHub Enterprise resources from untrusted networks.
GitHub Enterprise Self-Hosted Runner Creation
2 rules 2 TTPsAnomalous creation of self-hosted runners in GitHub Enterprise indicates potential attacker activity to execute malicious code, access sensitive data, or pivot to other systems via compromised runners.
GitHub Enterprise Self-Hosted Runner Registration
2 rules 1 TTPA self-hosted runner was created in GitHub Enterprise, which could be exploited by attackers to execute malicious code, access sensitive data, or pivot to other systems.
GitHub Organizations 2FA Disabled
3 rules 3 TTPsThe disabling of two-factor authentication (2FA) in GitHub Organizations is detected through audit log monitoring, potentially indicating an attacker's attempt to weaken account security and facilitate unauthorized access.
GitHub Organizations 2FA Requirement Disabled
2 rules 2 TTPsDetection of GitHub Organizations where the two-factor authentication (2FA) requirement has been disabled, potentially indicating an attempt to weaken security controls and increase the risk of account compromise.