Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects attempts to perform error-based SQL injection against WordPress instances associated with the wp2shell exploit chain. The rule monitors for the use of MySQL functions EXTRACTVALUE or UPDATEXML within query parameters that are typically targeted by the exploit (author_exclude, author__not_in) or when interacting with the batch REST endpoint.
Detects attempts to exploit the WordPress wp2shell vulnerability (CVE-2026-63030/CVE-2026-60137) by correlating the identification of a vulnerable WordPress version (6.9.0-6.9.4 or 7.0.0-7.0.1) via response banners with anomalous Batch REST API requests utilizing the 'author__not_in' parameter.
Detects unauthenticated exploitation attempts targeting WordPress sites using wp2shell techniques. The rule identifies malicious payloads attempting to leverage RSS, Navigation, or Calendar Gutenberg blocks in conjunction with the batch REST API to achieve Remote Code Execution.
Detects unauthenticated exploitation attempts targeting WordPress sites using wp2shell techniques. The rule identifies malicious payloads attempting to leverage RSS, Navigation, or Calendar Gutenberg blocks in conjunction with the batch REST API to achieve Remote Code Execution.
Detects certain command line parameters often used during reconnaissance activity via web shells
Detects obfuscated PHP code, specifically webshells, that utilize apostrophe-based concatenation (e.g., 'a'.'b'.'c') to break up strings into 1-3 character chunks. This technique is often used to evade signature-based detection.
Detects unauthenticated exploitation attempts targeting WordPress sites using wp2shell techniques. The rule identifies malicious payloads attempting to leverage RSS, Navigation, or Calendar Gutenberg blocks in conjunction with the batch REST API to achieve Remote Code Execution.
Detects anomalous web server scanning activity where a single source IP performs rapid requests against multiple common administrative or login panel paths (/admin, /wp-admin, etc.) while utilizing randomized ephemeral source ports. This behavior is consistent with automated enumeration scanning, such as that performed by the TuxBot v3 malware.
Detects exploitation attempts against Joomla websites targeting CVE-2023-23752. This vulnerability allows an unauthenticated attacker to disclose sensitive information, such as configuration details or user data, by crafting specific GET requests to the Joomla API.
Detects outbound web requests to OpenAI, Anthropic, or Google Gemini API endpoints that contain suspected API keys (OpenAI 'sk-proj-', Anthropic 'sk-ant-', or Google 'AIza' prefixes) in the request stream, potentially indicating hardcoded credentials, malicious script activity, or data exfiltration.
This rule detects unauthorized requests to the '/api/tokens/import/txt' endpoint, which is associated with the 'Device Code Lab' token management panel. Such activity is indicative of an attacker importing stolen session tokens to maintain persistent access to a compromised environment.
This rule detects potential brute-force or credential stuffing attempts against web application authentication endpoints by monitoring patterns of success and failure. It aggregates requests over 5-minute intervals, calculating a risk score based on high volumes of authentication failures relative to successful requests from individual source IPs targeting sensitive API paths (e.g., auth, session, login, token).
Detects exploitation attempts of the MyBB limited Admin CP-to-Admin privilege escalation vulnerability. The detection looks for unauthorized HTTP POST requests to the user management module that assign the Administrator group (gid=4) to a new user, or access to sensitive super-admin-only modules by accounts that should not have such permissions. It also flags requests containing known PoC artifact identifiers.
Detects unauthenticated HTTP requests to sensitive Gitea endpoints containing the 'X-WEBAUTH-USER' header set to 'admin'. This rule identifies exploitation attempts against misconfigured Docker deployments where 'REVERSE_PROXY_TRUSTED_PROXIES' is improperly set to a wildcard, allowing unauthorized users to impersonate administrative accounts (CVE-2026-20896).
Detects Server-Side Request Forgery (SSRF) attempts using a double-slash URL manipulation technique. Adversaries append an absolute local file path (e.g., /etc/passwd or /proc/self/environ) after a GitHub blob URL to bypass URL validation logic commonly found in web proxies, API gateways, and serverless environments like GCP Cloud Run.
This rule detects potential unauthorized access and environment variable disclosure attempts against the Flowise API, specifically targeting the MCP (Model Context Protocol) endpoints. It monitors for path traversal-like patterns using case variants (e.g., /api/v1/env), unauthorized access to configuration endpoints, and the exposure of sensitive data like API keys, database URLs, and passwords in API responses or request headers.
Detects known suspicious (default) user-agents related to scanning/recon tools
Detects HTTP POST requests containing multipart form data that include suspicious PHP functions commonly associated with webshells, such as eval(), base64_decode(), system(), or passthru(). This indicates a potential attempt to upload or execute a malicious PHP script on a web server.
Detects the creation of files with extensions commonly associated with web shells (.php, .aspx, .jsp) within typical web application directories by common web server processes such as httpd, nginx, php-cgi, and w3wp. This activity is indicative of a potential web shell deployment for persistent access or command execution.
This rule detects post-exploitation activity related to the exploitation of PHP StreamBucket SOAP deserialization vulnerabilities. It monitors for child process execution from PHP web server processes (e.g., php-fpm, php.exe), the creation of specific proof-of-concept (PoC) marker files, and the presence of identified exploit script filenames on disk.
Detects anomalous activity consistent with the Velvet Ant 'Operation Highland' methodology, which leverages Nginx/FastCGI to bridge external requests to internal SSH execution. The rule monitors three conditions: 1) HTTP POST requests to internal endpoints containing SSH-related command parameters; 2) suspicious Nginx configuration modifications or reload events; and 3) spawning of SSH processes by FastCGI handlers. Findings are correlated by time and entity to identify potential persistence or lateral movement mechanisms.
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