Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects Node.js processes associated with NodeBB making outbound network connections to suspicious paths (/users/, /activities/, /inbox, /.well-known/webfinger). This activity may indicate exploitation of the NodeBB ActivityPub plugin (attributedTo UID spoofing), where an attacker forces the application to fetch attacker-controlled URIs.
Detects network connections attempting to exfiltrate data via Discord webhooks. This rule specifically looks for POST requests to the Discord API webhook endpoint.
Detects FTP traffic with suspicious URLs referencing potentially insecure or legacy protocols.
Detects exploitation attempts against the Ray AI framework's unauthenticated /api/jobs/ endpoint (CVE-2023-48022). The rule identifies specific Python requests using a known malicious contact address ('rondo2012@atomicmail.io') and detects the delivery of fileless payloads (rondo.wfh.sh) associated with the RondoDox / ShadowRay campaign originating from known malicious infrastructure.
Detects outbound network communication from node.exe to the domain 'stitch-production.org'. This domain is associated with the 'Miasma' (also known as Mini Shai-Hulud) campaign, which uses malicious npm packages with post-install scripts to steal developer credentials, including Git, Docker, SSH, and cloud service configuration files.
This rule detects DNS queries to known public tunneling service domains, such as devtunnels.ms, loophole.site, loca.lt, and bore.pub, originating from processes other than the legitimate developer tunneling tools (devtunnel.exe, code.exe, code-tunnel.exe). This activity is highly indicative of unauthorized remote access or command-and-control communication.
Detects many unique, high-entropy URL paths that each receive a small number of requests before redirecting to authentication. This behavior is indicative of adversaries like Volt Typhoon (Tycoon) using one-time session paths for each victim in phishing campaigns.
This rule detects the use of JSON-RPC 'eth_call' by a non-browser process during network connection events. It specifically looks for network activity where the process is not a known web browser (Chrome, Edge, Firefox) and the network traffic or command line contains the string '"method":"eth_call"'. This behavior is often associated with malware or cryptocurrency-related threats attempting to resolve dynamic commands or addresses.
This rule detects potential exposure of API keys, tokens, or secrets within FTP directory listings. It specifically looks for network events on remote port 21 (FTP) where the 'RemoteUrl' contains keywords like 'api_key', 'apikey', 'token', 'secret', or 'key=' during a network signature inspection.
This rule monitors network logs (from proxies and firewalls) for web traffic (HTTP GET requests) containing suspicious JavaScript code injection patterns in the request context or message fields. It specifically looks for common XSS indicators such as <script tags, eval(), document.write(), fromCharCode(), and atob().
Detects non-browser HTTP POST requests containing both 'access_token' and step-style parameters (e.g., 'step', 'stage', 'counter' followed by a number) in proxy or firewall telemetry. This rule specifically targets patterns associated with malware communication, such as SessionGate, Remus, or AnimateClipper, by excluding common browser user agents.
This rule monitors Cisco Unified Communications Manager (UCM) environments for multiple stages of an attack chain, including potential Server-Side Request Forgery (SSRF) attempts against administrative interfaces, suspicious file modifications by service accounts, indicators of privilege escalation, and anomalous outbound network connections from core Cisco processes.
This rule detects potentially suspicious outbound network connections or DNS queries to known Generative AI service domains (OpenAI, Anthropic, Google, Mistral, Cohere) from non-browser and non-developer processes. It also triggers on suspicious Windows binaries (e.g., PowerShell, bitsadmin, mshta) initiating external connections to these domains or other destinations over port 443, helping identify potential data exfiltration or automated abuse of LLM APIs.
PlugX NetworkIOC
YARA
Modular remote access trojan associated with long-term espionage intrusions
Infostealer distributed via fake open-source tool impersonation sites
Supply chain worm targeting npm packages and GitHub Actions, linked to Shai-Hulud/Hades lineage
IoT botnet malware family used for DDoS and proxy infrastructure
ClickFix style social engineering cluster delivering Mistic and ModeloRAT
Lumma NetworkIOC
YARA
Infostealer-as-a-service targeting browser credentials and crypto wallets
Cloud extortion group exploiting exposed credentials and storage
Fraud framework powering scam domains for crypto and gambling schemes
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