Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects HTTP traffic patterns associated with the Psychedelic Stealer malware command and control (C2) agent. The rule matches specific URI paths used for pinging, configuration retrieval, and tasking, while verifying the presence of the required 'X-API-Key' header, indicating established C2 communication.
Detects HTTP traffic patterns associated with the Psychedelic Stealer malware command and control (C2) agent. The rule matches specific URI paths used for pinging, configuration retrieval, and tasking, while verifying the presence of the required 'X-API-Key' header, indicating established C2 communication.
Detects network traffic attempting to connect to common public DNS-over-HTTPS (DoH) providers (Cloudflare, Google, Quad9) via TLS SNI or HTTP headers. This activity is often associated with malware or malicious agents attempting to bypass traditional DNS monitoring for command and control (C2) communication.
Detects outbound HTTP POST requests associated with the Psychedelic Stealer malware, which attempts to exfiltrate data from web browser-based cryptocurrency wallet extensions by targeting specific API endpoints and wallet extension IDs.
Detects malicious interactions with an unauthenticated Docker daemon API, specifically identifying the creation of privileged containers with host bind mounts, the deployment of containers with specific naming conventions for network reconnaissance (netns-probe/net-setup), subsequent container start events, and the use of the Docker exec API to perform host namespace escapes via nsenter.
Detects anomalous activity associated with the CARBONATO worm, specifically monitoring for unauthorized creation of 'net-setup' containers or pulling 'system/resolved' images via the Docker API port 2375. Additionally, the rule identifies rapid, sequential network scanning behavior targeting the Docker API port across internal IP ranges.
Detects unauthorized access attempts to a Docker Registry API on port 5000. The rule identifies attempts to enumerate the image catalog and extract sensitive environment variable information from configuration blobs, which may contain hardcoded credentials or indicators of compromise.
Detects network communication associated with the CARBONATO Hermes Agent, including direct C2 beaconing to a hardcoded IP on port 8989 and TLS connections to Vercel-hosted proxy infrastructure identifying as 'carbonato-proxy'.
This rule detects network traffic originating from internal hosts directed to the Telegram API endpoint 'api.telegram.org' with a URI pattern associated with bot interaction, potentially indicating usage of a Telegram-based Command and Control (C2) mechanism by the CARBONATO/Hermes agent.
Detects network activity associated with the RatHat Android malware, specifically focusing on its use of WebSocket-based FRP (Fast Reverse Proxy) tunnels for command and control, session initialization, configuration retrieval, and local loopback proxy communication.
Detects network activity associated with the NeedyMantis malware, including TLS SNI traffic to its hard-coded C2 domain, initial beaconing over HTTPS to specific paths, and potential exfiltration or reconnaissance markers in the server's Set-Cookie header response.
Detects network activity associated with the NeedyMantis malware, including TLS SNI traffic to its hard-coded C2 domain, initial beaconing over HTTPS to specific paths, and potential exfiltration or reconnaissance markers in the server's Set-Cookie header response.
Detects outbound network traffic associated with the NeedyMantis actor, specifically identifying a hardcoded outdated Firefox/21.0 User-Agent in HTTP requests attempting to upgrade to a WebSocket connection, as well as direct TLS communication with the identified C2 domain corp.tripswithengine.com.
Detects HTTP traffic patterns associated with a custom 'RatHat' malware variant utilizing Google's Gemini API for command and control or remote automation. The rule identifies the initial POST request to the API with specific generation parameters (temperature 0.1, 256 tokens) and the corresponding JSON-formatted coordinate response from the server.
Detects HTTP traffic patterns associated with the VelvetCake malware used by North Korean threat actors Konni and Kimsuky. These signatures identify beaconing behavior to known free-hosting infrastructure, specifically monitoring for unique URL parameters ('OKey=', 'Who=', 'Areyou=cake') and common file naming conventions associated with the C2 communication.
Detects an attempt to bypass SharePoint authentication using a 'Register' directive in a POST request body directed at an .aspx page that is not a recognized ToolPane page. This pattern is indicative of an exploit attempt against a public-facing SharePoint server, specifically targeting vulnerability CVE-2026-65660.
Detects network communication to 'imageurlgenerator.com' where a VBScript downloader is attempting to retrieve a staged payload. The request pattern targets specific URI structures resembling GUID-based identifiers ending in '.txt', which is characteristic of the XHOPLESS malware delivery chain.
Detects outbound network traffic (TLS SNI and HTTP requests) directed to the Telegram Bot API endpoint. This behavior is often associated with malware using Telegram as a command-and-control (C2) channel or for the exfiltration of stolen data, credentials, or sensitive information.
Detects HTTP requests containing potential session, handoff, or access tokens within the URI pattern commonly associated with ORAX Adversary-in-the-Middle (AiTM) phishing infrastructure. The rule specifically targets requests routed to wildcard subdomains that mimic legitimate deployment or service endpoints, indicating an attempt to harvest authentication tokens from victims.
Detects network activity associated with a phishing campaign leveraging Cloudflare Workers, identified as 'ARToken'. The rules monitor for specific TLS SNI patterns, HTTP Host headers, and subsequent C2-like behavior involving device code authentication flows (api/device/start and api/device/poll) hosted on 'workers.dev'.
This rule detects interaction between an internal host and the Vapi.ai API, typically used for automating AI-based voice phishing (vishing) calls. It identifies the initiation of a call via POST requests to the Vapi.ai API and subsequent callbacks from Vapi.ai to an attacker-controlled webhook endpoint used for tracking call status.
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