Detections

Explore public detection logic contributed by the community across SIEM and rule languages.

565 detections

Detects country-coded lure path requests (/eg, /ma) followed by a cloaking differential response (desktop UA blocked with 404, mobile UA served content). Fixed a regex bug where the original pattern matched any path merely starting with 'eg' or 'ma' (e.g. /egg.jpg, /mail, /manifest.json) instead of the exact path segment.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
003
Detects the Iron Man System phishing kit via its HTTP fingerprint: a request-header rule (ETag/Server/Via combo) checked on the external server's response, and three request-side rules checking for the kit's hashed asset paths and favicon when an internal host requests them from an external site. Fixed a direction bug on the three request-side rules that had source/destination reversed (they previously required an external host to request the path from an internal server, which would rarely if ever fire).
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
003
Detects successful exploitation attempts targeting Vite development servers via chained access-control bypass vulnerabilities (CVE-2025-30208, CVE-2025-31125, CVE-2024-45811). The rule identifies malicious GET requests using the /@fs/ endpoint with specific query parameters, resulting in a successful HTTP 200 response, while originating from non-internal IP addresses.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
001
Detects network activity (DNS queries, TLS SNI, and HTTP requests) directed towards the 'web12api.com' domain, as well as specific HTTP response structures commonly associated with adversary registration or command-and-control communication protocols.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
000
Detects HTTP GET requests to '/api.php?t=' containing a 13-digit timestamp identifier, followed by a response body containing 'download_link'. This pattern is indicative of the SilverFox malware relaying instructions or stage-two payload delivery.
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Arnold Chan@slaz
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Hunters
2 months ago
001
Detects a multi-stage authentication bypass attempt against LiteLLM MCP endpoints. The rule tracks an initial malformed Authorization Bearer token request to the /mcp/ endpoint, followed by a server response returning a 200 OK status code accompanied by an 'mcp-session-id' header, confirming the exploitation of CVE-2026-59822.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
002
This rule detects sophisticated phishing lure pages impersonating DocuSign or NFe documentation. It specifically identifies pages that implement multi-layered anti-bot gating techniques, including detection of browser automation (navigator.webdriver), identification of headless browser artifacts (headless/HeadlessChrome), and the presence of interaction-wait fallback timers using addEventListener, all tied to specific malicious content indicators.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
004
Detects country-coded lure path requests (/eg, /ma) followed by a cloaking differential response (desktop UA blocked with 404, mobile UA served content). Fixed a regex bug where the original pattern matched any path merely starting with 'eg' or 'ma' (e.g. /egg.jpg, /mail, /manifest.json) instead of the exact path segment.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
002
This rule detects potential unauthenticated access or unauthorized configuration modifications to an AI agent management backend. It monitors HTTP logs for requests targeting configuration endpoints that lack proper authentication, specifically identifying attempts to retrieve sensitive information like Dify or Coze keys, or attempts to inject new agent configurations via unauthenticated POST requests.
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Arnold Chan@slaz
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Hunters
2 months ago
001
This rule detects sophisticated phishing lure pages impersonating DocuSign or NFe documentation. It specifically identifies pages that implement multi-layered anti-bot gating techniques, including detection of browser automation (navigator.webdriver), identification of headless browser artifacts (headless/HeadlessChrome), and the presence of interaction-wait fallback timers using addEventListener, all tied to specific malicious content indicators.
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Arnold Chan@slaz
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Hunters
2 months ago
001
Detects a multi-stage authentication bypass attempt against LiteLLM MCP endpoints. The rule tracks an initial malformed Authorization Bearer token request to the /mcp/ endpoint, followed by a server response returning a 200 OK status code accompanied by an 'mcp-session-id' header, confirming the exploitation of CVE-2026-59822.
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Arnold Chan@slaz
avatar
Midnight Slayer
2 months ago
001
Detects a multi-stage authentication bypass attempt against LiteLLM MCP endpoints. The rule tracks an initial malformed Authorization Bearer token request to the /mcp/ endpoint, followed by a server response returning a 200 OK status code accompanied by an 'mcp-session-id' header, confirming the exploitation of CVE-2026-59822.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
001
Detects indicators of cross-site scripting (XSS) attacks aimed at stealing web session cookies. The rule covers the injection of malicious scripts into client responses, anomalous CORS preflight responses that could facilitate data exfiltration, and subsequent HTTP callbacks or beaconing containing cookie data to external endpoints.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
001
Detects path traversal attempts against a Vite development server by monitoring for various forms of URI encoding (single/double) and suspicious path patterns (e.g., /etc/passwd, .env, .git/config, /@fs/). The rule tracks these attempts using flowbits and alerts when a successful HTTP 200 response is received after a matching traversal request.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
000
Detects path traversal attempts against a Vite development server by monitoring for various forms of URI encoding (single/double) and suspicious path patterns (e.g., /etc/passwd, .env, .git/config, /@fs/). The rule tracks these attempts using flowbits and alerts when a successful HTTP 200 response is received after a matching traversal request.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
000
Detects HTTP GET requests to '/api.php?t=' containing a 13-digit timestamp identifier, followed by a response body containing 'download_link'. This pattern is indicative of the SilverFox malware relaying instructions or stage-two payload delivery.
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Arnold Chan@slaz
avatar
Detection & Hunting Community
2 months ago
000
Detects HTTP GET requests to '/api.php?t=' containing a 13-digit timestamp identifier, followed by a response body containing 'download_link'. This pattern is indicative of the SilverFox malware relaying instructions or stage-two payload delivery.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
000
Detects instances of an mcp-grafana server responding with an HTTP 200 status code to a 'tools/call' request without an Authorization header, indicating potential unauthenticated remote tool execution on a vulnerable or misconfigured server.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
004
Detects country-coded lure path requests (/eg, /ma) followed by a cloaking differential response (desktop UA blocked with 404, mobile UA served content). Fixed a regex bug where the original pattern matched any path merely starting with 'eg' or 'ma' (e.g. /egg.jpg, /mail, /manifest.json) instead of the exact path segment.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
001
Detects an HTTP GET request to 'dl.php' containing an 'f' parameter (target file) and an 'k' parameter (access token), followed by a response body starting with the 'MZ' header, indicating the successful download of a Windows PE executable as part of a potential phishing campaign stage-2 payload delivery.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
002
This rule detects sophisticated phishing lure pages impersonating DocuSign or NFe documentation. It specifically identifies pages that implement multi-layered anti-bot gating techniques, including detection of browser automation (navigator.webdriver), identification of headless browser artifacts (headless/HeadlessChrome), and the presence of interaction-wait fallback timers using addEventListener, all tied to specific malicious content indicators.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
102
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