Detections

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

2,594 detections

Detects DNS queries and TLS SNI traffic directed at known actor-controlled domains and subdomains associated with ScreenConnect remote management software usage in malicious RMM chains.
avatar
Arnold Chan@slaz
avatar
Hunters
1 month ago
001
Detects DNS queries and TLS SNI traffic directed at known actor-controlled domains and subdomains associated with ScreenConnect remote management software usage in malicious RMM chains.
avatar
Arnold Chan@slaz
avatar
Detections.ai Community
1 month ago
001
Detects network activity associated with the AMOS (Atomic macOS Stealer) malware, specifically identifying outbound HTTP POST requests to the '/api/t' URI path occurring on non-standard ports. The detection utilizes a threshold-based trigger to identify potential C2 communication heartbeats.
avatar
Ibrahim Saud@tektrix
avatar
Detections.ai Community
1 month ago
003
This rule detects network traffic patterns indicative of the Lumma Stealer 'ClickFix' phishing campaign. It identifies outbound requests to suspicious domains ending in .cyou utilizing specific user agents (WinHttp or Microsoft BITS), which are characteristic of malicious PowerShell scripts attempting to retrieve secondary payloads.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
203
This rule detects HTTP POST requests to .php files containing suspicious PHP execution functions in the request body, such as 'system', 'eval', or 'shell_exec'. These patterns are indicative of an attempt to execute commands via an in-memory or injected PHP web shell on an F5 BIG-IP APM device.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
104
Detects post-exploitation activity against Citrix NetScaler appliances associated with CVE-2026-8452. The rule specifically monitors for HTTP GET requests targeting PHP files within the /var/vpn/theme/ directory, accompanied by efforts to execute shell commands (bin/sh) via the web server.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
104
Detects high-frequency DNS NXDOMAIN responses for domains exhibiting patterns indicative of Domain Generation Algorithms (DGA), specifically fixed-length, high-entropy character strings. This behavior is commonly associated with botnets attempting to locate command and control infrastructure.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
101
Detects HTTP POST requests directed at common Machine Learning inference endpoints (e.g., /predict, /classify, /infer) where the request body claims to be a multipart form-data image upload (Content-Type: image/jpeg) but the actual binary data does not contain the standard JPEG file signature (FF D8 FF). This pattern is indicative of adversarial attempts to bypass security controls or provide malformed payloads to ML models.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
201
Detects DNS queries attempting to resolve domains associated with malicious LLM-as-a-service platforms, specifically targeting domains containing 'wormgpt', 'fraudgpt', or 'evilgpt'. These platforms are often used by adversaries to facilitate automated social engineering, malware development, or other malicious activities.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
101
Detects unauthenticated GET requests to known AI and machine learning infrastructure management endpoints (e.g., DCGM, Ray, Kubeflow) that are commonly exposed without authentication. These interfaces provide operational metrics, cluster status, or job management details, which can be leveraged for reconnaissance.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
101
Detects outbound HTTP traffic to punycode-encoded domains (typically used to spoof legitimate sites) that contain characteristic boilerplate text often generated by LLMs in their responses. This combination is indicative of an automated phishing kit setup or a landing page generated by an AI assistant.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
101
Detects unauthorized GET requests to common default paths associated with AI agent developer consoles and infrastructure, such as '/playground', '/api/predict', or '/_stcore'. These requests are identified by the absence of expected 'Authorization' or 'Cookie' headers, suggesting an unauthenticated probe or discovery attempt by an external actor looking for misconfigured or exposed AI development interfaces.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
101
Detects attempts to exploit CVE-2026-48710 in Starlette frameworks where an attacker attempts to smuggle path or authority information via the HTTP Host header using character encoding variations like slashes or URL-encoded sequences.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
101
Detects unauthenticated attempts to access Adobe Commerce/Magento REST API endpoints. This rule specifically looks for HTTP GET requests containing /rest/ and /V1/ paths without an Authorization header, which may indicate an attempt to exploit CVE-2026-71362.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
001
This rule detects attempts to exploit a SQL injection vulnerability in Sangoma Switchvox (CVE-2026-9586) by inspecting HTTP POST request bodies and URIs for common SQL injection patterns such as UNION SELECT, SLEEP(), and DROP TABLE. This vulnerability allows an attacker to execute arbitrary SQL commands on the backend database.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
001
This rule detects HTTP POST requests to the Apache Qpid Broker-J Management API that include a pre-set JSESSIONID in the cookie header during a login operation, indicating an attempt to exploit CVE-2026-92609 via session fixation.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
001
Detects anomalous LDAP bind requests containing specific byte sequences characteristic of a potential authentication bypass exploit identified as CVE-2026-83059. The rule monitors LDAP traffic on standard ports for malformed bind operations that attempt to subvert authentication controls.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
001
Detects suspicious LDAP modify or add operations targeting privileged DNs (orcladmin, OracleContext) on Oracle Internet Directory, indicative of exploitation attempts related to CVE-2026-83057.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
001
Detects attempts to access administrative or configuration endpoints on Cisco Identity Services Engine (ISE) without providing valid authentication headers, cookies, or authorization tokens. This behavior is indicative of exploitation attempts targeting CVE-2026-20192 to gain unauthorized administrative access.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
001
Detects high-volume RDP X.224 connection requests originating from a single source within a short timeframe, which is a strong indicator of a brute force or password spraying attack targeting Remote Desktop Protocol services.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
001
Detects incoming HTTP POST requests that match the signature of the China Chopper web shell client, specifically looking for common evaluative functions (eval, assert, base64_decode) being passed to single-letter parameters, which is a hallmark of this specific web shell's communication pattern.
avatar
Ankit Mehta@Secvyn
avatar
Detections.ai Community
1 month ago
101
Page 19 of 124