Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Sweeps endpoint telemetry for known IOCs from the trojanized anthropic.claude-code (Open-VSX v2.1.313) SSH backdoor: C2 IP 134.209.82.225, beacon URL, extension.js and tunnel key SHA-256 hashes, and ifconfig.me lookups from VS Code-family/extension-host processes. Results are summarized per device and IOC.
Detects unauthorized access to virtual hard disk (VMDK) files by non-standard processes followed by the creation or modification of sensitive offline credential artifacts such as ntds.dit or SYSTEM hives on the same host within a 2-hour window, indicating potential offline credential theft.
Detects potential data staging and exfiltration where sensitive or investigation-related files are compressed using archive utilities or PowerShell, followed closely by upload activities to Backblaze B2 cloud storage via CLI tools, rclone, or direct API connections.
Detects a sequence of FTP SITE CPFR (Copy From) followed by SITE CPTO (Copy To) commands from the same source IP and computer within 5 minutes, which can be abused to copy files on the server.
Detects a PHP file being written into a WordPress content directory
that has no legitimate reason to hold executable code. The wp2shell chain against
CVE-2026-63030 and CVE-2026-60137 stages its payload through wp-content/uploads/
and wp-content/upgrade/ before it lands as a plugin under
wp-content/plugins/wp2shell_/, so both the staging directories and the
campaign's plugin directory shape are matched. uploads/ is the durable half:
WordPress serves user media from it and nothing there should ever be a .php file,
which makes a PHP write there a strong webshell indicator independent of this
campaign.
that has no legitimate reason to hold executable code. The wp2shell chain against
CVE-2026-63030 and CVE-2026-60137 stages its payload through wp-content/uploads/
and wp-content/upgrade/ before it lands as a plugin under
wp-content/plugins/wp2shell_/, so both the staging directories and the
campaign's plugin directory shape are matched. uploads/ is the durable half:
WordPress serves user media from it and nothing there should ever be a .php file,
which makes a PHP write there a strong webshell indicator independent of this
campaign.
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.
IOC sweep (SHA256, domains, URLs, IPs, sender emails) for the RedFlick-style VHDX/LNK/WebDAV campaign against Moldovan and Ukrainian civil society, with false-positive controls.
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 endpoint, network, and security log activity matching known indicators of compromise (IOCs) associated with PEERSTITCH / CL-STA-0954, including specific file hashes, IP addresses, and URLs.
Sweeps file, process and image-load telemetry for known Kimsuky (APT-C-55) malware MD5 hashes. Exact hash matches carry very low false-positive risk.
Detects endpoint, network, and security log activity matching known indicators of compromise (IOCs) associated with PEERSTITCH / CL-STA-0954, including specific file hashes, IP addresses, and URLs.
Detects endpoint, network, and security log activity matching known indicators of compromise (IOCs) associated with PEERSTITCH / CL-STA-0954, including specific file hashes, IP addresses, and URLs.
Detects the presence of known MD5 file hashes associated with the TraderTraitor trojanized Terraform provider campaign (also known as FLATROOF/ROOFDECK). The query sweeps DeviceFileEvents, DeviceProcessEvents, and DeviceImageLoadEvents across the last 30 days.
Detects endpoint, network, and security log activity matching known indicators of compromise (IOCs) associated with PEERSTITCH / CL-STA-0954, including specific file hashes, IP addresses, and URLs.
Performs an IOC sweep for a known XMRig cryptojacking campaign exploiting a REDCap vulnerability (CVE-2026-90817), detecting matching network connections, file hashes, and process activities across endpoints.
Detects the creation of the "PSScriptPolicyTest" PowerShell script by an uncommon process. This file is usually generated by Microsoft Powershell to test against Applocker.
Sweeps Defender XDR telemetry for known NEBULA / KNTRAT indicators (SHA256 hashes, C2 IP, decoy domain and URLs, burner publisher emails). Hash matching is scoped per table (execution hash only in process events), noisy tooling is excluded from command-line matches, network hits are limited to connection events, and results are aggregated per device and IOC.
Detects dropped files with double extensions, which is often used by malware as a method to abuse the fact that Windows hide default extensions by default.
Point-in-time sweep of the 16 published BraZetsu sample SHA-256 hashes across file, process and image-load telemetry. Hashes rotated across five versions, so absence of a hit does not rule out BraZetsu.
This rule detects indicator of compromise (IOC) sweep events associated with the AhsayCBS campaign (CVE-2026-105133 and CVE-2026-105134) involving XMRig cryptominer activity. It checks for specific file and process SHA256 hashes, remote IP addresses, and domain connections related to known mining pools or attacker infrastructure using Sentinel Device tables.
IOC sweep (SHA256, domains, URLs, IPs, sender emails) for the RedFlick-style VHDX/LNK/WebDAV campaign against Moldovan and Ukrainian civil society, with false-positive controls.
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