Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects the installation of a Microsoft Edge extension followed by an outbound network connection to known StegoAd C2 infrastructure after a 3-5 day dormancy period, a behavior characteristic of time-gated sandbox evasion.
This rule detects the presence of specific file names, paths, or command line arguments associated with a known penetration testing or exploit harness tool (libpwn). These artifacts are indicative of potential security testing or exploit activity on the host.
This rule detects various reconnaissance techniques commonly used to identify network resources, including the execution of SoftPerfect Network Scanner (or renamed binaries), the creation of 'delete.me' files used by SoftPerfect to probe share permissions, the usage of the 'Invoke-ShareFinder' PowerShell script, and the enumeration of network shares using 'net.exe' initiated from PowerShell.
Detects network connections to the typosquatted domain 'perplexity-ai.online', associated with a malicious browser extension used for data exfiltration. Additionally, it detects the creation or modification of 'background.js' files within common web browser extension directories, which is a common persistence mechanism for malicious extensions.
Detects anomalous child process creation or .lnk file interaction by the LunarClient process. This rule monitors for indicators of potential supply chain compromise or malicious activity where the gaming client spawns shells, scripting interpreters, or network utilities, or generates shortcut files to facilitate further execution.
This rule detects installation artifacts, configuration file modifications, registry changes, and network activity associated with a specific malicious Chromium extension ('flkebkiofojicogddingbdmcmkpbplcd') that hijacks the default browser search provider via declarativeNetRequest rules and communicates with a typosquatted domain 'perplexity-ai.online'.
Detects artifacts and behaviors associated with a malicious Chromium extension identified as 'Search for perplexity ai' (extension ID: flkebkiofojicogddingbdmcmkpbplcd). The rule monitors for unauthorized extension installation, registry modifications to the browser's default search provider settings pointing to a suspicious domain (perplexity-ai.online), and outbound browser network traffic or DNS queries directed toward the same domain for potential data exfiltration.
Detects the execution of known CVE-2026-55200 exploit harness and server binaries, or the creation of the libpwn_rce_proof.txt artifact. These activities indicate active exploitation staging or the successful execution of an out-of-bounds heap write exploit chain against libssh2.
Detects deployment of malicious LaunchDaemon plist files for privileged persistence
This rule detects multiple stages of activity associated with BaqiyatLock ransomware and Remcos RAT. It identifies the execution of known BaqiyatLock/Remcos files, attempts to bypass User Account Control (UAC) via ms-settings registry hijack, creation of files with the '.bqtlock' extension indicative of BaqiyatLock encryption, and network communication with 'icanhazip.com' for external IP discovery, which is a common reconnaissance step.
This rule monitors for unauthorized access to the Google Chrome 'Login Data' database file by processes other than standard browser executables. It also detects the creation of known file artifacts associated with credential-stealing malware or RATs (e.g., 'chrome_logins_dump.txt' or 'gather.tar.gz'), which are indicative of credential harvesting activities.
Detects the creation of files with names containing 'winPatch' and extensions of '.zip' or '.vbs' in Windows TEMP directories, originating from PowerShell or WScript processes. This behavior is indicative of potential ingress tool transfer or staging of malicious scripts.
Detects unauthorized processes accessing the Google Chrome 'Login Data' SQLite database file or the creation of a 'chrome_logins_dump.txt' file, which are indicators of potential credential theft activity often seen in RATs or information stealers.
Detects the creation of files with filenames '.store' or '.host' (or any dot-prefixed file) within the Windows TEMP directory by specific processes (python.exe or chost.exe). This behavior is observed in certain npm-based Remote Access Trojans (RATs) to drop configuration and state files.
Detects a sequence of events where PowerShell is used to download files from 'nvidiadriver.net' or with filenames containing 'winPatch', followed by a suspicious file drop (specifically 'winPatch.zip' or 'update.vbs') in a temporary directory within a 30-minute window. This behavior is indicative of potential initial staging for a RAT or malicious script deployment.
This rule detects various stages of exploitation activity associated with the System Informer PHSVC (Process Hacker Service) proof-of-concept (PoC). It monitors for the loading of the PoC DLL via rundll32, the spawning of processes using the specific PoC marker string, unexpected elevated child processes spawned by SystemInformer.exe, and the creation of services or PoC artifacts that facilitate privilege escalation or persistence.
This rule monitors for suspicious activity associated with Flowise Model Context Protocol (MCP) implementations, specifically detecting environment variable bypasses using Node.js --require, potential Server-Side Request Forgery (SSRF) attempts targeting internal infrastructure and cloud metadata services, and the creation of known proof-of-concept (PoC) artifacts.
Detects unauthorized processes accessing the Google Chrome 'Login Data' SQLite database file or the creation of a 'chrome_logins_dump.txt' file, which are indicators of potential credential theft activity often seen in RATs or information stealers.
Detects indicators of a specific malicious browser extension, including file-system artifacts (extension directory placement), registry-based persistence mechanisms, and network communication to associated command-and-control (C2) or onboarding domains. The rule specifically monitors for known malicious identifiers related to a typosquatted domain campaign impacting popular web browsers.
Detects instances where a Java-based application (specifically associated with 'floci' or API Gateway components) spawns suspicious child processes such as shell interpreters (sh, bash, powershell, cmd.exe). This pattern is often indicative of post-exploitation activity following a remote code execution (RCE) attempt against a template engine or web-facing gateway. It also identifies specific file paths related to documented 'floci' POCs and RCE payloads.
Detects the creation of files with filenames '.store' or '.host' (or any dot-prefixed file) within the Windows TEMP directory by specific processes (python.exe or chost.exe). This behavior is observed in certain npm-based Remote Access Trojans (RATs) to drop configuration and state files.
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