Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
461 detections
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Detects HTTP requests containing directory traversal patterns (e.g., ../, %2e%2e/) combined with attempts to access sensitive system files like /etc/passwd, shadow files, or Windows system configuration files (boot.ini, win.ini).
This rule detects attempts to inject malicious JavaScript code via HTTP URI requests. It uses PCRE pattern matching to identify common XSS indicators such as <script> tags, JavaScript event handlers (onerror, onload), and attempts to access document.cookie, which are indicative of stored or reflected Cross-Site Scripting (XSS) attack patterns.
Detects multiple failed SSH authentication attempts originating from a single source IP within a short timeframe, which is indicative of a brute-force or credential-stuffing attack against SSH services.
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 HTTP requests attempting to access sensitive internal IP addresses (RFC-1918) or cloud metadata services (e.g., 169.254.169.254) which are common indicators of Server-Side Request Forgery (SSRF) exploitation attempts.
Detects HTTP requests containing a UNION SELECT pattern in the URI query string, which is a common indicator of a SQL injection attempt aimed at exfiltrating data or manipulating database queries.
This rule detects HTTP directory traversal attempts by inspecting incoming URI requests for common path traversal sequences such as '../', '..%2F', '..%2f', '..%5C', or '..%5c'. Attackers use these sequences to escape the web root directory and access unauthorized files on the server.
This rule detects potential phishing or cloaking activity where a web server response contains JavaScript logic that checks the visitor's User-Agent string using 'navigator.userAgent' and conditionally redirects the user via 'window.location'. This technique is commonly used to redirect specific targets (e.g., mobile devices or specific browsers) to malicious sites while serving benign content to others, often for credential harvesting or malware delivery.
Detects anomalous HTTP POST requests to the '/V1/Update/GetUpdate' endpoint on an MSSQL-hosted application, which is associated with malicious activity linked to the OceanLotus (APT32) threat actor group, specifically the Blazing Furnace campaign.
This rule detects attempts to exploit a path traversal vulnerability (CVE-2026-49506) in the Dell Wyse Management Suite API. The rule inspects HTTP requests for directory traversal sequences such as '..' or URL-encoded equivalents, which could allow an unauthorized attacker to access files or directories outside the intended scope on the web server.
This rule detects HTTP POST requests containing the specific string 'GEMINI_TRUST_WORKSPACE', which is associated with environment variable injection attacks targeting CI/CD pipeline configurations.
This rule detects potential Remote Code Execution (RCE) exploitation attempts targeting Dell Wyse Management Suite (WMS) by identifying abnormally large POST requests containing JSON payloads directed at specific management paths (/WMS/ or /wyse/). This behavior is indicative of an exploit attempt against CVE-2026-41120.
This rule monitors for HTTP POST requests containing 'class.module.classLoader', which is a characteristic payload component used to exploit the Spring4Shell vulnerability (CVE-2022-22965) in Spring Framework applications. This vulnerability allows for remote code execution (RCE) by manipulating class loader properties.
Detects HTTP requests containing a UNION SELECT pattern in the URI query string, which is a common indicator of a SQL injection attempt aimed at exfiltrating data or manipulating database queries.
Detects inbound HTTP requests containing common Cross-Site Scripting (XSS) patterns, such as the <script> HTML tag or the 'javascript:' URI scheme, which are indicative of attempts to execute arbitrary client-side code.
This rule detects attempts to perform directory traversal attacks by monitoring incoming HTTP requests for repetitive directory navigation sequences (e.g., ../, .., %2F, %5C). Such sequences are often used to bypass security controls and access unauthorized files or directories on the web server.
This rule detects potential Cross-Site Scripting (XSS) attack attempts by inspecting HTTP requests for common malicious patterns, such as embedded script tags, JavaScript URIs, or HTML event handlers like 'onload' and 'onerror'. These payloads are often used by attackers to execute arbitrary code within a user's browser session.
Detects HTTP requests attempting to access sensitive internal IP addresses (RFC-1918) or cloud metadata services (e.g., 169.254.169.254) which are common indicators of Server-Side Request Forgery (SSRF) exploitation attempts.
Detects attempts to exploit the Log4Shell vulnerability (CVE-2021-44228) by identifying JNDI lookup strings (e.g., ${jndi:ldap://, ${jndi:rmi://, ${jndi:dns://) within HTTP request headers, a technique used to trigger remote code execution in vulnerable Java applications using the Log4j library.
Detects attempts to exploit the Shellshock vulnerability (CVE-2014-6271) by inspecting HTTP request headers for the characteristic function definition syntax '() { :;'. This pattern is commonly used in malicious payloads to trigger command execution via environment variables in CGI scripts.
Detects multiple failed SSH authentication attempts originating from a single source IP within a short timeframe, which is indicative of a brute-force or credential-stuffing attack against SSH services.
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