Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
11,839 detections
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Detects Tailscale serve commands setting up a TCP forward to a Unix socket (such as tailscaled.sock), correlated with recent file creation, modification, or renaming events involving the socket file by a non-standard process within a 1-hour window.
Detects web server processes (such as nginx, apache2, httpd, uwsgi, gunicorn, php-fpm) spawning command-line utilities typically used for system and user discovery (such as id, whoami, groups, hostname, uname, netstat, ps, etc.), which often indicates web application exploitation and remote code execution.
Detects the execution of tools and commands commonly used to enumerate Group Policy Objects (GPOs) within an environment, such as gpresult.exe with specific flags, PowerShell scripts querying GPO modules, or ldifde.exe checking group policy containers.
Detects potential bootkit activity or unauthorized modifications to the EFI system partition by correlating non-standard .efi file writes with subsequent execution of boot configuration utilities like bcdedit or mountvol within a 30-minute window.
Detects web servers (httpd, apache2, nginx, php-fpm) or Request Tracker (RT) Perl worker processes spawning suspicious child processes such as shells, downloaders, netcat, or Python interpreters, indicative of post-exploitation or web application compromise.
Detects the execution of rm commands using force flags to delete multiple critical appliance, system, and web server log files simultaneously on Linux hosts.
Detects potential Linux privilege escalation and persistence activities by monitoring for the creation of persistence scripts in post_boot.d, modifications to the sudoers.template file appending NOPASSWD, or system configuration rebuilds shortly after sudoers template changes.
Correlates a running ProFTPD FTP server process listening on TCP port 21 with commands checking or loading the mod_copy module on the same Linux device using Microsoft Defender XDR telemetry.
Detects persistence mechanisms established via Registry Run/RunOnce keys, Startup folder modifications, or scheduled task creation using specific tool names such as client32 or pcictlui.
Detects execution of Node.js and NPM related commands involving potential supply chain indicators, script execution, or download utilities (such as curl, wget, powershell, or eval) within command lines.
Detects potential Linux privilege escalation and persistence activities by monitoring for the creation of persistence scripts in post_boot.d, modifications to the sudoers.template file appending NOPASSWD, or system configuration rebuilds shortly after sudoers template changes.
Detects msiexec.exe spawning scripting or programming engines (such as PowerShell or Python) that perform LDAP directory searches and establish outbound external network connections within a specific time window.
Detects msiexec.exe spawning scripting or programming engines (such as PowerShell or Python) that perform LDAP directory searches and establish outbound external network connections within a specific time window.
This rule detects suspicious driver loading from user-writable paths, kernel driver service creation, disabling of driver signing, loading of Linux kernel modules, and the usage of LD_PRELOAD for rootkit functionality.
Sweeps network, process command-line and URL-click telemetry for the Kimsuky payload C2 domain and its subdomains using an anchored match, which avoids lookalike or suffix-matching domains.
Detects PowerShell execution involving Base64 decoding or certutil decoding combined with writing files to the AppData directory using .NET I/O methods or PowerShell cmdlets.
Detects the creation of WordPress administrator accounts using MySQL or WP-CLI command-line tools on hosts, specifically looking for specific username prefixes or email domains associated with suspicious activities.
Detects hosts with the trojanized version 3.0.123 of the Rank Math PRO WordPress plugin distributed in October 2026. It correlates software inventory, file events, command-line process events, and network connections to identify affected packages, installation activity, and C2 communications.
Detects PowerShell launched hidden and non-interactive with an insecure execution policy and Base64 decode-and-execute, or a script combining Base64 decode-and-execute with browser history collection and WMI shadow copy enumeration, as seen in the Midnight Blizzard (GTG-20006) stager.
Detects the execution of rm commands using force flags to delete multiple critical appliance, system, and web server log files simultaneously on Linux hosts.
Detects the execution of rm commands using force flags to delete multiple critical appliance, system, and web server log files simultaneously on Linux hosts.
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