Arnold Chan
@slazTrusted contributorCompletionist
2 followers2,100 downloads4,386 copies51 likes26,184 views
7,555 detections
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Detects the execution of MeshCentral remote management agent (meshagent.exe) or activity associated with its default installation paths and markers. MeshCentral is legitimate remote access software that can be abused by adversaries for persistence and command-and-control access.
Detects the execution of MeshCentral remote management agent (meshagent.exe) or activity associated with its default installation paths and markers. MeshCentral is legitimate remote access software that can be abused by adversaries for persistence and command-and-control access.
Detects anomalous, high-volume authentication failures originating from a single source IP address targeting multiple distinct internal devices within a short timeframe. This behavior is indicative of a password spraying or brute-force attack.
Detects anomalous, high-volume authentication failures originating from a single source IP address targeting multiple distinct internal devices within a short timeframe. This behavior is indicative of a password spraying or brute-force attack.
Detects web server processes (e.g., w3wp.exe, nginx.exe, tomcat.exe) spawning command-line interpreters or utilities that could indicate remote code execution, web shell activity, or post-exploitation discovery/download attempts.
Detects web server processes (e.g., w3wp.exe, nginx.exe, tomcat.exe) spawning command-line interpreters or utilities that could indicate remote code execution, web shell activity, or post-exploitation discovery/download attempts.
This rule detects the use of common command-line utilities (grep, find, bash, sh, awk) to search for sensitive files, such as SSH keys, configuration files containing credentials, or password-related patterns. The rule includes exclusions for common administrative, security, and backup tools that might legitimately perform such scans.
This rule detects the use of common command-line utilities (grep, find, bash, sh, awk) to search for sensitive files, such as SSH keys, configuration files containing credentials, or password-related patterns. The rule includes exclusions for common administrative, security, and backup tools that might legitimately perform such scans.
Detects the use of database or archiving command-line utilities to export data related to RADIUS services. The rule filters out known backup service accounts and authorized backup processes, flagging activity that occurs outside of standard business hours or is performed by accounts not explicitly designated for administrative or database maintenance tasks.
This rule detects modifications or creation of the SSH 'authorized_keys' file, often used to establish unauthorized persistent access via SSH key-based authentication. It monitors both file system changes and command-line execution patterns involving SSH key injection commands (e.g., echo, cat, redirection) while filtering out known management agent activity.
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