Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects the execution of administrative commands and scripting interpreters spawned by the VMware Tools daemon (vmtoolsd), which may indicate an adversary leveraging ESXi guest operations for remote code execution.
Detects potential DLL sideloading of mscoree.dll outside of standard system and .NET paths, followed closely by network activity connecting to GitHub from the same process within a one-hour window.
Detects the creation of cook.pth or cook.py in Python site-packages or dist-packages directories by package managers or interpreters, followed by a Python interpreter execution on the same device within one hour. This pattern matches the malicious supply chain behavior observed in compromised LiteLLM versions (e.g., 1.107.0) utilizing .pth auto-import chains for persistence and execution.
Detects instances where a web browser accesses a domain listed in the 'AdFection_Domains' watchlist, followed closely by the browser spawning a script interpreter (such as PowerShell, wscript, cscript, mshta) or dropping an executable/script file in user profile or temporary directories.
Detects the correlation of remote execution tools (such as PsExec, WinRM, or specific PowerShell remote execution commands) with RDP or ScreenConnect remote management activity on the same device within a one-hour window, potentially indicating lateral movement or unauthorized remote control.
Exposure-assessment hunt for endpoints running OpenCode and contacting OpenCode Console or AI provider APIs, to prioritise API key rotation after the October 2026 OpenCode breach.
Detects web server processes (such as apache2, nginx, httpd, php-fpm, or w3wp.exe) spawning shell interpreters (such as bash, sh, cmd.exe, or powershell.exe), which is a common indicator of web shell activity or application exploitation.
Detects web server worker processes (such as php-fpm, apache2, nginx, w3wp.exe) spawning download utilities like curl or wget, certutil with transfer flags, or initiating /dev/tcp network connections, which may indicate web application exploitation or webshell activity.
Detects the creation of a scheduled task named ChromeUpdate with highest privileges on logon, initiated from a process running within the user AppData\Local\Temp directory.
Detects web server processes (such as Apache, httpd, or PHP) spawning a Unix shell (sh, bash, dash) and executing discovery commands (such as id, hostname, uname) with output redirection to proof files or embedded in callback URLs via command substitution.
Detects the creation or modification of web script files (.aspx, .jsp) within common web application directories by unusual processes (such as command shells or download utilities) or by non-standard user accounts, indicating potential web shell deployment.
Detects a PowerShell download-and-execute command referencing specific typosquatted lure domains (e.g., choclatey.org, massgravel.net) combined with follow-up script activity writing into a fake SystemHealth\Update directory.
Detects Chromium-based browsers launched with remote debugging port 9222 or execution of chrome-decryptor tooling by Python processes, indicative of credential theft or Chrome CDP cookie extraction (such as Armorsteal).
Detects suspicious process execution where a shell or scripting tool is spawned by the nsppe process or running under the nobody account, followed closely by file creation or modification activity in persistence locations or NetScaler GUI web directories.
Detects potential tampering of Apache HTTP Server configuration files (httpd.conf) involving PHP engine or script handlers, followed closely by an Apache service reload (HUP signal) on the same device within a 10-minute window.
Detects web or FTP server parent processes (such as apache2, httpd, nginx, php-fpm, or proftpd) spawning shell or utility processes (such as bash, sh, python, nc, curl, wget), which is consistent with webshell execution or post-exploitation activities.
Detects a Python process spawning msiexec.exe followed by a high volume of LDAP connections (burst) from the same device within a 30-minute window, potentially indicating post-exploitation activity such as domain enumeration.
The following analytic identifies the creation of executables or scripts in temporary file paths on Windows systems. It leverages the Endpoint.Filesystem data set to detect files with specific extensions (e.g., .exe, .dll, .ps1) created in temporary directories (e.g., \windows\Temp\, \AppData\Local\Temp\).
This activity can be significant as adversaries often use these paths to evade detection and maintain persistence.
If confirmed malicious, this behavior could allow attackers to execute unauthorized code, escalate privileges, or persist within the environment, posing a significant security threat.
This activity can be significant as adversaries often use these paths to evade detection and maintain persistence.
If confirmed malicious, this behavior could allow attackers to execute unauthorized code, escalate privileges, or persist within the environment, posing a significant security threat.
Detects PowerShell being launched directly from the Windows Run dialog
(explorer.exe parent) with a hidden window and a download/execution cradle in the
command line. This is the core artifact of ClickFix campaigns, where the victim is
lured to an Amazon-themed decoy page, copies a pasted command, and executes it from
Run to retrieve and run the next-stage malware.
(explorer.exe parent) with a hidden window and a download/execution cradle in the
command line. This is the core artifact of ClickFix campaigns, where the victim is
lured to an Amazon-themed decoy page, copies a pasted command, and executes it from
Run to retrieve and run the next-stage malware.
Detects potential web shell activity where a web or application server process (such as IIS, Apache, Nginx, or Tomcat) writes a script file (e.g., .aspx, .jsp, .php) into a web-accessible directory, followed shortly by spawning a command-line shell or utility process.
Detects cmd.exe executing a ping-based delay to loopback followed by self-deletion of the batch script (%~f0), as well as bulk deletion of common archive and executable files, typically associated with malware droppers like RareWolf.
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