Arnold Chan
@slazTrusted contributorCompletionist
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7,555 detections
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Detects interactive or ad-hoc loading of the SCTP kernel module, which can be indicative of an adversary attempting to gain kernel-level persistence or capabilities. The rule excludes common system-initiated module loads from package managers and system service managers to reduce noise.
This rule detects the execution of specific suspicious filenames (dirtyah6, tunderflow, pppoeject, diagspill) when they are launched from common staging or temporary directories such as /tmp, /home, or /root, while excluding known build environments, package management directories, and common development workspaces.
Detects anomalous serialized object payloads within authenticated GraphQL subscription requests to GitLab Duo Chat endpoints. This pattern is indicative of exploitation attempts targeting the insecure deserialization vulnerability in GitLab EE (CVE-2026-87719), where malicious payloads are injected into serialized data streams.
Detects unauthenticated path traversal attempts targeting the GitLab repository commits API, specifically checking for URL-encoded and plain path traversal patterns (e.g., '../') in requests to the commits endpoint. This behavior is indicative of attempts to exploit vulnerabilities like CVE-2026-85706 to read arbitrary files outside the repository scope.
This rule detects modifications to the Windows Registry 'Run' keys that point to specific, potentially suspicious executable paths located in 'C:\ProgramData\'. These paths are commonly associated with persistence mechanisms used by malware or unauthorized software to ensure execution at system startup.
Detects the use of PowerShell, pwsh, or cmd to execute the 'Add-MpPreference' command with the '-ExclusionPath' parameter, specifically targeting common directories like Telegram Desktop or specific system directories. This activity suggests an attempt to bypass security scanning by excluding known malicious locations or folders from Microsoft Defender's real-time monitoring.
Detects the use of PowerShell, pwsh, or cmd to execute the 'Add-MpPreference' command with the '-ExclusionPath' parameter, specifically targeting common directories like Telegram Desktop or specific system directories. This activity suggests an attempt to bypass security scanning by excluding known malicious locations or folders from Microsoft Defender's real-time monitoring.
Detects the use of PowerShell, pwsh, or cmd to execute the 'Add-MpPreference' command with the '-ExclusionPath' parameter, specifically targeting common directories like Telegram Desktop or specific system directories. This activity suggests an attempt to bypass security scanning by excluding known malicious locations or folders from Microsoft Defender's real-time monitoring.
Detects outbound network traffic to the Telegram Bot API characteristic of malware command and control (C2). This rule specifically identifies Python-based requests using the 'python-requests' user agent performing common Telegram API operations (getUpdates, sendDocument, sendPhoto, getFile) typical of C2 frameworks like HEAVYGRAM or CHOSEN BRICK.
Detects unauthorized processes (non-browser applications) creating, modifying, or renaming sensitive browser data files such as Login Data, Cookies, or local state files within standard browser profile directories. This activity is indicative of credential harvesting or session hijacking attempts by malicious software.
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