Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects behavioral indicators of shell-driven cryptocurrency miner staging where a hidden .trace file or binary is created, executed, or referenced via command-line arguments within go2rtc or shared memory directories (/config/, /opt/go2rtc/, /etc/go2rtc/, /.config/go2rtc/, /dev/shm/), alongside indicators of mining pools or software such as XMRig.
Detects the execution of the public Horizon3.ai PoC exploit for CVE-2026-106173 (FortiSIEM gRPC path traversal RCE) utilizing python interpreters with specific command-line arguments indicative of the exploit tool.
Detects the creation of AI coding assistant configuration files (such as .cursorrules, CLAUDE.md) in user directories (Downloads, Desktop, Temp) by non-git processes, followed within a short time window by execution of interpreters or tools (like node, npm, powershell, cmd, curl) with suspicious command line parameters indicating possible download or script execution.
Detects potential remote code execution against Xinference or Xoscar pool processes, identified by an inbound network connection accepted by a Python-based worker followed shortly by the spawning of a shell process (sh, bash, dash) by the same process.
Detects an Xoscar or Xinference Python actor pool process spawning a Unix shell child process with suspicious command-line flags (such as reverse shell indicators, downloads, or base64 decoding), potentially indicative of cloudpickle deserialization remote code execution (CVE-2026-49950).
Detects observable hiding actions targeting ScreenConnect (ConnectWise Control) clients, such as modifying registry keys to hide uninstall entries, using attrib.exe to set hidden attributes, or launching management tools with hidden window styles.
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 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 rundll32.exe executing inline JavaScript/VBScript via the
mshtml RunHTMLApplication export or a script payload staged in user-writable
directories. ClickFix chains abuse rundll32 to proxy script execution past
application controls without dropping a conventional executable.
mshtml RunHTMLApplication export or a script payload staged in user-writable
directories. ClickFix chains abuse rundll32 to proxy script execution past
application controls without dropping a conventional executable.
Detects attempts to inhibit system recovery by stopping the Volume Shadow Copy Service (VSS) using utilities like net, net1, or sc, or deleting shadow copies using vssadmin.exe, excluding known backup agents.
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.
The following analytic detects the use of the taskkill command in a process command line to terminate several known browser processes, a technique commonly employed by the Braodo stealer malware to steal credentials. By forcefully closing browsers like Chrome, Edge, and Firefox, the malware can unlock files that store sensitive information, such as passwords and login data. This detection focuses on identifying taskkill commands targeting these browsers, signaling malicious intent. Early detection allows security teams to investigate and prevent further credential theft and system compromise.
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 potential data exfiltration and credential hunting where an endpoint downloads a database backup using presigned URLs or cloud storage signatures within 6 hours of searching local files for API keys or private keys.
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 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 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 operator synchronization scripts (sync-all.sh, sync-memory.sh, sync-cc-users.sh) spawning SSH, rsync, or scp commands targeting AI-named jump-server accounts (claude, grok, gemini, glm).
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 modifications to the Tor configuration file (torrc) that permit SSH traffic (port 22) in the exit policy, followed by a Tor service reload or restart on the same device within a 4-hour window. This behavior may indicate an adversary setting up an onion routing proxy or covert tunnel.
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