Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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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 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.
This rule detects potentially malformed or truncated DTLS records on NetScaler appliances, specifically on port 443. The rule looks for packets with a specific record length configuration that may indicate a buffer overflow or other exploitation attempt targeting CVE-2026-88772. The detection logic relies on analyzing the DTLS handshake sequence and packet sizing, and the rule authors recommend correlating these events with SSL_HANDSHAKE_FAILURE (DTLSv1.0, Handshake failure-Internal Error) and appliance crash log entries to confirm potential exploitation.
Detects incoming HTTP POST requests with unusually large payloads or malformed URI structures directed at Citrix NetScaler Gateway authentication endpoints, which are characteristic of exploitation attempts against CVE-2026-88771.
Detects unauthorized attempts to access the Ray Dashboard Job Submission API, which is vulnerable to remote code execution (CVE-2023-48022). Attackers can leverage this API endpoint to execute arbitrary commands on the Ray cluster.
This rule detects a potential heap overflow exploitation attempt against F5 BIG-IP Access Policy Manager (APM) by inspecting HTTP POST requests to the /oauth/token endpoint with an unusually large 'grant_type' field (exceeding 4096 bytes). This behavior is characteristic of an attempt to trigger the heap overflow vulnerability identified as CVE-2026-94127.
This rule detects potential exploitation attempts targeting the Splunk REST API (CVE-2026-20253) by monitoring for unauthenticated inbound requests to the /services/ path. It specifically looks for requests that lack the required Authorization or Cookie headers.
Detects multiple attempts to connect to administrative shares (ADMIN$, C$, IPC$) from a single source within a 60-second window. This pattern is indicative of automated lateral movement or enumeration attempts using the SMB protocol.
This rule detects potential exploitation attempts targeting the CAPWAP (Control and Provisioning of Wireless Access Points) protocol in FortiOS or FortiSwitchManager. The rule identifies suspicious UDP traffic on port 5246 containing an oversized payload (greater than 1400 bytes), which is characteristic of the exploitation pattern for CVE-2025-25249.
Detects unauthenticated HTTP POST requests to the /prompt endpoint of a ComfyUI instance, which is indicative of an attempt to remotely execute workflows on an exposed instance.
Detects inbound HTTP POST requests to the /generate endpoint of a Hugging Face Text Generation Inference (TGI) server. Such requests indicate attempts to use or interact with the inference API, potentially without authentication, which could lead to unauthorized resource utilization or model interaction if the service is not properly secured.
Detects attempts to exploit Oracle WebLogic Server vulnerabilities, specifically those leveraging the T3 protocol to transmit malicious Java serialized payloads, as seen in CVE-2026-70756. The rule identifies suspicious T3 handshake patterns and the presence of common Java deserialization gadget chains.
Detects Heartbleed (CVE-2014-0160) exploitation attempts by monitoring for malformed TLS heartbeat requests (undersized payload) followed by oversized responses from the server that indicate potential memory disclosure.
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.
Detects potential SQL injection attempts targeting Cisco AsyncOS Email Gateways via the SMTP DATA command. The rule monitors for malicious patterns, specifically those attempting to execute unauthorized commands or database queries (such as COPY TO PROGRAM or embedded SQL statements) within SMTP traffic.
Detects attempts to exploit an unauthenticated OS command injection vulnerability in Cisco ISE (CVE-2026-20130). The rule monitors inbound HTTP traffic for shell metacharacters and common command-line binaries in the URI or request body, indicating an attempt to execute arbitrary commands on the underlying host.
Detects network traffic patterns characteristic of the EternalBlue (MS17-010) exploit targeting the SMBv1 protocol. Specifically, it monitors for a malformed SESSION_SETUP request containing an unusually large payload, which is indicative of an attempt to trigger a buffer overflow in the SMB service.
Detects a potential automated exploit sweep or brute-force attempt, identified by a high frequency of HTTP requests (GET or POST) directed to the same URI from a single source IP address within a short time frame.
Detects potential NTLM relay attacks targeting Active Directory Certificate Services (AD CS) web enrollment endpoints, including subsequent certificate requests for sensitive templates. This pattern identifies attackers attempting to relay NTLM authentication to AD CS and potentially requesting certificates for high-privilege templates (e.g., DomainController, SubCA, Machine, or User) to facilitate privilege escalation.
Detects unauthorized HTTP requests to sensitive Cisco Identity Services Engine (ISE) API and administrative paths (/ers/, /admin/, /api/). The rule specifically looks for incoming requests that lack both an Authorization header and a Cookie header, which is indicative of potential exploitation attempts against vulnerabilities such as CVE-2026-76460, where authentication mechanisms might be bypassed or ignored.
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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