Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects the download of a JavaScript module named JSCeal, which contains code indicative of an HTTPS interception proxy. The rule looks for Node.js-based server creation code combined with cryptographic operations like keypair generation, certificate creation, and PEM conversion, excluding common legitimate JavaScript libraries and CDNs.
Detects repeated HTTP requests targeting the '/cgi-bin/' path on Dahua camera web interfaces with a specific user-agent string ('CGI Brute'). This behavior is characteristic of an automated brute-force campaign attempting to gain unauthorized access to camera web administration interfaces.
This rule detects rapid SYN packet patterns from external sources targeting the Dahua proprietary port 37777, characteristic of network scanning tools like Masscan attempting to discover or identify vulnerable Dahua devices.
This rule detects a high volume of TCP synchronization (SYN) packets from external sources directed at a Cisco IOS XR network device. This behavioral pattern is indicative of a resource exhaustion denial-of-service (DoS) attack, potentially attempting to exploit vulnerabilities such as CVE-2026-20274 by flooding the control plane.
Detects network activity (HTTP, TLS SNI, and DNS) associated with the domain 'noht1ng.top', which is linked to the GRAYRABBIT malware utilized by the threat actor UNC3569.
Detects network activity (HTTP, TLS SNI, and DNS) associated with the domain 'noht1ng.top', which is linked to the GRAYRABBIT malware utilized by the threat actor UNC3569.
Detects DNS queries originating from an internal host to 'mail.uaiubifas.top', which is associated with GRAYRABBIT command-and-control (C2) activity.
Detects HTTP traffic involving the retrieval of 7z.exe or 7zp.dll payloads from a known Alibaba Cloud staging server associated with the UNC3569 threat actor and the GRAYRABBIT malware. The rule uses a threshold-based detection to identify repeated download attempts from the external IP 8.218.50.207.
Detects HTTP traffic involving the retrieval of 7z.exe or 7zp.dll payloads from a known Alibaba Cloud staging server associated with the UNC3569 threat actor and the GRAYRABBIT malware. The rule uses a threshold-based detection to identify repeated download attempts from the external IP 8.218.50.207.
Detects HTTP traffic involving the retrieval of 7z.exe or 7zp.dll payloads from a known Alibaba Cloud staging server associated with the UNC3569 threat actor and the GRAYRABBIT malware. The rule uses a threshold-based detection to identify repeated download attempts from the external IP 8.218.50.207.
Detects attempts to exploit CVE-2023-2825, a path traversal vulnerability in GitLab. The rule monitors HTTP GET requests to the /uploads/ endpoint containing directory traversal sequences (e.g., ../ or encoded variants) in the URI, indicating an effort to access restricted files on the system.
Detects established outbound network connections on TCP port 853 (DNS-over-TLS) to known C2 infrastructure associated with the RedTail malware. The rule monitors for both connection attempts to anomalous resolvers and specific TLS handshake patterns characteristic of RedTail C2 activity.
Detects mass automated POST requests directed at the 'super_submit_form' action within the 'admin-ajax.php' endpoint of the Super Forms WordPress plugin, indicative of exploitation attempts or vulnerability scanning against CVE-2026-14894.
Detects a malicious HTTP POST request targeting the Elementor Pro WordPress plugin's 'elementor_pro_forms_send_form' action. The rule looks for a specific attempt to bypass file upload restrictions by manipulating the array index of form fields to upload a PHP file via the 'admin-ajax.php' endpoint.
This rule detects inbound HTTP requests directed at known file paths associated with malicious PHP web shells commonly dropped within the Elementor plugin directory of WordPress installations, including attempts to pass parameters to the web shell for command execution.
This rule detects network communication associated with the REVSTEALER 'EtherHiding' technique. It monitors for POST requests to Polygon network RPC endpoints containing specific contract interaction signatures ('eth_call' with '0x4965e13f' and a specific contract address), as well as TLS connections to known malicious domains and fallback RPC providers used to resolve C2 instructions from blockchain data.
This rule detects network communication associated with the REVSTEALER 'EtherHiding' technique. It monitors for POST requests to Polygon network RPC endpoints containing specific contract interaction signatures ('eth_call' with '0x4965e13f' and a specific contract address), as well as TLS connections to known malicious domains and fallback RPC providers used to resolve C2 instructions from blockchain data.
This rule detects rapid, repetitive connection attempts (TCP SYN) from a source within the internal network to a set of high-value targets (SSH, HTTP, SMB, RDP ports) within the same internal network. Such patterns are indicative of lateral movement or internal network reconnaissance, often performed by adversaries pivoting through a compromised host to discover services on other internal systems.
Detects network requests originating from the Netch gateway tool or similar environments, attempting to fetch auto-configuration profiles for Shadowsocks from the external domain 'www.sheng886.top' using the '/api/v1/internal/shadowsocks/auto-config' endpoint. The rule specifically matches the Go-http-client user agent, which is common in automated scripts and Go-based proxy tools.
This rule detects HTTP GET requests for static image assets (jpg, jpeg, png, gif, webp, svg) where the Referer header originates from a .shop top-level domain. This behavior may indicate an unauthorized use of brand image assets, often associated with fraudulent e-commerce sites or phishing campaigns using lookalike or disposable infrastructure.
This rule detects HTTP GET requests for static image assets (jpg, jpeg, png, gif, webp, svg) where the Referer header originates from a .shop top-level domain. This behavior may indicate an unauthorized use of brand image assets, often associated with fraudulent e-commerce sites or phishing campaigns using lookalike or disposable infrastructure.
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