Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects outbound network connections (HTTPS/TLS) to known malicious domains used by TA419 for AitM (Adversary-in-the-Middle) phishing campaigns. These domains are identified as part of a spoofed OneDrive document/file sharing theme intended to steal user credentials.
Detects DNS queries, HTTP host headers, and TLS SNI traffic associated with known credential-phishing domains used by the threat actor TA419. The rule monitors for communication to a specific list of domains identified as malicious or used in phishing campaigns.
Detects outbound network connections (HTTPS/TLS) to known malicious domains used by TA419 for AitM (Adversary-in-the-Middle) phishing campaigns. These domains are identified as part of a spoofed OneDrive document/file sharing theme intended to steal user credentials.
Detects DNS queries, HTTP host headers, and TLS SNI traffic associated with known credential-phishing domains used by the threat actor TA419. The rule monitors for communication to a specific list of domains identified as malicious or used in phishing campaigns.
Detects network activity associated with the TA419 threat group's 'Frameless' Browser-in-the-Browser (BitB) Adversary-in-the-Middle (AitM) phishing campaign. The rules identify unauthorized OAuth2 authorization requests to non-Microsoft hosts that match known malicious client IDs, the delivery of BitB overlay scripts, and the subsequent execution of malicious scripts correlated with OneDrive-themed lookalike redirects, indicating a credential theft attempt.
This rule monitors network traffic for TLS SNI and HTTP URI indicators associated with known typo-squatted or spoofed Google Drive and Google Meet phishing domains. It also detects the download of a specific ZIP archive used as a phishing lure.
This rule detects outbound network connections directed at a known IP address associated with Akira ransomware infrastructure. The rule specifically monitors for communication with 64.227.4.134, which has been identified as a C2 node utilizing GOST tunnels. This behavior is indicative of established C2 connectivity by Akira ransomware actors.
Detects an attempt to exploit CVE-2026-88772 by identifying an oversized DTLS handshake record on a NetScaler Gateway. The rule looks for UDP traffic on port 443 where the initial handshake record exceeds the expected size threshold, indicative of a potential buffer overflow attempt.
Detects outbound HTTP requests to a known C2 domain (letsdiskuss.com) and a specific URI path, characteristic of the 'Lorem Ipsum' malware loader's dead-drop resolver lookup.
Detects P7 DarkSword implant C2 beaconing: HTTP/1.0 JSON POSTs to /beacon, /event or /a with the hardcoded iPhone OS 18_5 Safari 18.5 User-Agent. Requires the full combination of protocol version, method, URI, UA and content type, and alerts only after 3 matching requests from one source within 120 seconds (detection_filter) to suppress one-off matches.
Detects HTTP traffic associated with the Wazza phishing kit anti-bot mechanism, including token minting requests, signed token responses, and validation checks.
Detects HTTP traffic associated with the Wazza phishing kit anti-bot mechanism, including token minting requests, signed token responses, and validation checks.
Detects network traffic associated with Wazza phishkit anti-bot gates, including beacon communications, TLS SNI patterns, fingerprint iframe URIs, and challenge-platform requests.
Detects network traffic associated with Wazza phishkit anti-bot gates, including beacon communications, TLS SNI patterns, fingerprint iframe URIs, and challenge-platform requests.
Detects HTTP requests and responses associated with the Wazza phishing kit, specifically targeting the /api/wazza-config endpoint and its wildcard routing configuration JSON responses.
Detects malicious command-and-control (C2) activity targeting Citrix NetScaler appliances (tracked as CVE-2026-88772). The rules identify specific malformed HTTP headers (NSC_LDAP, NSC_CLIENTTYPE, X-UX) used to establish a command channel, as well as potential webshell masquerading through ico-to-sig URI patterns in the /vpn/media/ path.
Detects outbound network connections (HTTPS/TLS) to known malicious domains used by TA419 for AitM (Adversary-in-the-Middle) phishing campaigns. These domains are identified as part of a spoofed OneDrive document/file sharing theme intended to steal user credentials.
Detects network activity associated with the TA419 threat group's 'Frameless' Browser-in-the-Browser (BitB) Adversary-in-the-Middle (AitM) phishing campaign. The rules identify unauthorized OAuth2 authorization requests to non-Microsoft hosts that match known malicious client IDs, the delivery of BitB overlay scripts, and the subsequent execution of malicious scripts correlated with OneDrive-themed lookalike redirects, indicating a credential theft attempt.
Detects an exploitation attempt against PoeLLM or LiteLLM MCP test/connection endpoint using a python3 stdio payload that fetches data from port 81.
Detects outbound network traffic associated with the Azazel operation, including connections to identified C2 infrastructure, open directory/upload listeners, domain-specific staging servers, and exfiltration attempts to MEGA cloud storage endpoints.
Detects network exploitation attempts targeting Fortinet FortiOS and FortiProxy vulnerabilities (CVE-2024-55591, CVE-2025-24472) involving authentication bypass via HTTP header manipulation (Forwarded, X-Forwarded-For) and unauthorized access to the /jsconsole endpoint.
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