Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects high-volume web crawling or reconnaissance activities originating from autonomous AI agent frameworks, such as AutoGPT, BabyAGI, LangChain, or CrewAI. These activities are identified by analyzing User-Agent strings and applying threshold-based rate limiting to identify potential automated reconnaissance patterns.
Detects adversarial conversational reconnaissance patterns where a user queries an AI agent to enumerate its capabilities, such as available plugins, functions, or parameter schemas. The disclosure of this internal information by the agent facilitates the construction of targeted prompt-injection payloads, a known precursor to exploitation of AI agent vulnerabilities.
Sitemap File Discovery Access
Suricata
This rule detects HTTP requests to URIs that contain both 'sitemap' and '.xml' (case-insensitive). This pattern is commonly associated with the discovery of sitemap files, which are used by search engines to crawl websites. Attackers or reconnaissance tools might access these files to map out a website's structure and discover hidden or unlinked pages, which can then be used for further attacks.
Robots.txt Discovery Access
Suricata
This rule detects HTTP requests for '/robots.txt'. This file is commonly accessed by automated tools and attackers during the reconnaissance phase to understand a website's structure and identify disallowed paths. The detection is based on the URI content and is classified as a network scan.
This rule detects network traffic where the HTTP referer header contains "web.archive.org". This indicates that a user on the internal network is navigating to a website via a link from the Wayback Machine, which could be a sign of reconnaissance activity, where an attacker or insider is researching past versions of a website or looking for historical information that might no longer be publicly available on the live site. The rule specifically looks for established HTTP connections flowing to the server.
This rule detects automated web crawlers by identifying a high rate of HTTP GET requests from a single source IP address to the home network. Specifically, it triggers an alert if a source IP makes 100 or more GET requests within a 30-second window.
This rule detects attempts to discover the 'security.txt' file on a web server. The 'security.txt' file is a proposed standard for security researchers to easily find contact information for reporting security vulnerabilities. Attackers or reconnaissance tools might look for this file to identify potential targets or gather information about an organization's security posture.