Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects instances where the Parallels dispatcher service (prl_disp_service) is invoked to install an appliance using a local 'file:///tmp/' URL instead of a trusted remote catalog source, which may indicate an attempt to load unauthorized or malicious virtual appliance files.
Detects execution or file presence of known malicious files based on a pre-defined list of SHA256 hashes associated with known threat activity.
The following analytic detects the creation or modification of adsource.dll or other staging files with the name adsource_*.dll within the SCCM SMS Provider bin directory, consistent with exploitation of CVE-2026-47301.
This abuses a DLL side-loading vulnerability in the Microsoft Configuration Manager SMS Provider component.
An attacker can plant a malicious adsource.dll in the SCCMProvider bin\X64 path, causing the SMS Provider service to load the attacker-controlled library in a privileged context.
The presence of renamed dlls alongside adsource.dll is a strong indicator of the classic DLL hijacking pattern where the legitimate library has been renamed so the malicious replacement can proxy calls to it.
If confirmed malicious, this activity represents a privilege escalation vector that can result in SYSTEM-level code execution on any host running the SCCM SMS Provider role.
This abuses a DLL side-loading vulnerability in the Microsoft Configuration Manager SMS Provider component.
An attacker can plant a malicious adsource.dll in the SCCMProvider bin\X64 path, causing the SMS Provider service to load the attacker-controlled library in a privileged context.
The presence of renamed dlls alongside adsource.dll is a strong indicator of the classic DLL hijacking pattern where the legitimate library has been renamed so the malicious replacement can proxy calls to it.
If confirmed malicious, this activity represents a privilege escalation vector that can result in SYSTEM-level code execution on any host running the SCCM SMS Provider role.
Detects execution or file presence associated with HOOKEDGE/HEADLACE malware. This rule uses a dual-approach: matching known malicious file hashes (SHA256) and monitoring for specific script files (bat, vbs, cmd) following a GUID-formatted naming convention typically used by the HOOKEDGE installer chain.
Detects the eicar_com.zip test archive used by the ShieldCrash PoC (CVE-2026-69414) to trigger Windows Defender's vulnerable scan/read path, only when observed alongside ShieldCrash binary or staging path/context indicators to reduce false positives from routine EICAR AV testing
This rule detects suspicious file operations (creation, modification, or renaming) initiated by MsMpEng.exe (Microsoft Defender Antivirus) involving specific indicators related to ELAM (Early Launch Anti-Malware) or 'ShieldCrash' components. These indicators often suggest tampering attempts or the presence of tools designed to interfere with Defender's security operations by targeting its configuration, staging, or protected storage locations.
This rule detects suspicious file operations (creation, modification, or renaming) initiated by MsMpEng.exe (Microsoft Defender Antivirus) involving specific indicators related to ELAM (Early Launch Anti-Malware) or 'ShieldCrash' components. These indicators often suggest tampering attempts or the presence of tools designed to interfere with Defender's security operations by targeting its configuration, staging, or protected storage locations.
This rule detects suspicious file operations (creation, modification, or renaming) initiated by MsMpEng.exe (Microsoft Defender Antivirus) involving specific indicators related to ELAM (Early Launch Anti-Malware) or 'ShieldCrash' components. These indicators often suggest tampering attempts or the presence of tools designed to interfere with Defender's security operations by targeting its configuration, staging, or protected storage locations.
Detects high-frequency file creation, modification, or renaming activity involving files with the specific '.df_win' extension, likely indicative of mass encryption activity or automated ransomware behavior. The rule excludes known backup and security software processes to reduce noise.
Detects DragonForce ransomware note (readme.txt) referencing known DragonForce Tor negotiation/blog onion addresses
Detects indicators of the 'ShieldCrash' proof-of-concept (CVE-2026-69414 exploit bypass) on Windows systems. The rule monitors for specific malicious file activity, module loading, and the presence of decoy archive files associated with the PoC, which are used to achieve arbitrary file read as SYSTEM.
This rule monitors endpoint events (file, process, and image load) for a specific malicious MD5 hash or the presence of a specific file name pattern 'Request for Quotation' often used in malicious lures. It provides visibility into potential execution of known malicious payloads.
Matches known RedTail malware payloads and staging scripts by exact SHA-256 hash equality
Detects suspicious activities originating from CrowdStrike Falcon remediation processes (e.g., CSFalconService.exe, CSFalconContainer.exe). The rule identifies two distinct patterns: either a file operation (delete, modify, rename, quarantine, or restore) followed within 2 minutes by the loading of an unsigned or non-standard DLL, or the spawning of an elevated SYSTEM process from a non-SYSTEM parent process. This behavior is indicative of potential LPE (Local Privilege Escalation) abuse via the Falcon remediation engine, often referred to as FalconFlank-style exploitation.
Detects suspicious activities originating from CrowdStrike Falcon remediation processes (e.g., CSFalconService.exe, CSFalconContainer.exe). The rule identifies two distinct patterns: either a file operation (delete, modify, rename, quarantine, or restore) followed within 2 minutes by the loading of an unsigned or non-standard DLL, or the spawning of an elevated SYSTEM process from a non-SYSTEM parent process. This behavior is indicative of potential LPE (Local Privilege Escalation) abuse via the Falcon remediation engine, often referred to as FalconFlank-style exploitation.
This rule detects potential VNC remote access activity by identifying systems that exhibit both the presence of specific VNC configuration/history files (AccInfo.ini, History.txt) and concurrent network activity on port 10635, which is commonly associated with VNC-like remote access tools.
Detects PEEP Secure Preferences integrity-hash forgery (protection.macs/super_mac) and known PEEP persistence scripts (patch_secure_prefs.ps1, install_silent.ps1, force_enable.ps1), anchored to actual Chrome/Edge profile paths rather than generic terms like 'protection' or 'developer_mode' that appear in unrelated admin tooling.
This rule detects the presence of files or process execution events matching a known set of SHA256 hashes associated with the BlueMoon malware family. The detection covers both file system events and process creation events.
This rule monitors for a multi-stage attack pattern involving two potential indicators: first, it identifies phishing emails containing a 'Google Docs' link combined with an attachment named 'API Logic Flaw'. Second, it detects browser activity involving the paste of JavaScript code or suspicious browser clipboard activity, which may indicate an attacker attempting to execute malicious scripts directly in the user's browser context.
This rule detects potential malicious activity by monitoring for specific file hashes, specific suspicious filenames, and suspicious command-line patterns (e.g., 'antivm') initiated by known update or launcher processes. This is likely an indicator of malware behavior involving anti-sandbox or evasion techniques.
This rule detects potential malicious activity by monitoring for specific file hashes, specific suspicious filenames, and suspicious command-line patterns (e.g., 'antivm') initiated by known update or launcher processes. This is likely an indicator of malware behavior involving anti-sandbox or evasion techniques.
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