Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects outbound HTTP requests from the internal network to the domain 'adminmenueditor.com'. This domain has been associated with a compromised software supply chain attack targeting the Admin Menu Editor Pro WordPress plugin, which was used to distribute malicious code to users.
Detects DNS queries and TLS SNI traffic related to known malicious domains used by threat actor groups Storm-3121 and Storm-3032 in passkey-themed phishing campaigns.
Detects anomalous network traffic patterns where internal assets interact with Microsoft Graph API and Entra ID (login.microsoftonline.com) authentication endpoints from distinct external destination IPs within a short time window. This behavior is indicative of potential attacker infrastructure rotation during C2 or post-authentication phases.
Detects outbound network traffic from internal hosts to the Microsoft Graph API (graph.microsoft.com) originating from Python HTTP clients (requests or urllib libraries). This pattern can indicate automated data exfiltration from an internal environment to a cloud-based service, or the use of Microsoft Graph API for command and control purposes.
This rule detects network traffic directed at a potentially compromised server associated with the Admin Menu Editor Pro plugin, specifically looking for HTTP requests that indicate an attempt to download a malicious update.
Detects DNS resolutions, TLS SNI, and HTTP host requests to known malicious phishing domains impersonating passkey and SSO infrastructure, often associated with Storm-3121/Storm-3032 activities.
Detects outbound WebSocket upgrade requests from internal network assets to known IronToll C2 IP addresses, restricted to requests whose Host header ends in one of the disposable TLDs observed across the campaign's 73+ rotating lookalike domains (.cfd, .sbs, .shop, .icu, .buzz, etc). This narrows the alert to the campaign's actual phishing-domain pattern rather than any WebSocket traffic that happens to reach the same shared Tencent/Alibaba cloud IPs, and a per-source threshold caps repeat alerts from the same host to one per hour.
Detects TCP connections on standard web ports from internal hosts to known IronToll C2 IPs on Tencent/Alibaba Cloud. Scoped to web ports and an established handshake, with a per-source hourly alert cap to reduce repeat noise.
Detects TCP connections on standard web ports from internal hosts to known IronToll C2 IPs on Tencent/Alibaba Cloud. Scoped to web ports and an established handshake, with a per-source hourly alert cap to reduce repeat noise.
Detects DNS queries for lookalike domains combining a government/brand-impersonation keyword (as its own label, not a substring) with a disposable TLD used across the IronToll campaign. Dropped the standalone 'digital' keyword, which was generic enough to match ordinary e-commerce domains on the same TLDs.
Detects DNS queries for lookalike domains combining a government/brand-impersonation keyword (as its own label, not a substring) with a disposable TLD used across the IronToll campaign. Dropped the standalone 'digital' keyword, which was generic enough to match ordinary e-commerce domains on the same TLDs.
Detects country-coded lure path requests (/eg, /ma) followed by a cloaking differential response (desktop UA blocked with 404, mobile UA served content). Fixed a regex bug where the original pattern matched any path merely starting with 'eg' or 'ma' (e.g. /egg.jpg, /mail, /manifest.json) instead of the exact path segment.
Detects sensitive data exfiltration attempts (PII, credit card, OTP) via HTTP POST requests to suspicious lookalike domains, followed by a WebSocket connection to known IronToll C2 infrastructure.
This rule monitors TLS traffic for a specific combination of certificate issuer Common Name (CN) matching 'YE1' and Server Name Indication (SNI) hostnames using known disposable or high-risk top-level domains (TLDs). This behavior is associated with the IronToll campaign, often indicative of command-and-control communication or malicious infrastructure staging.
Detects possible unauthenticated exploitation attempts against CVE-2025-53521 (F5 BIG-IP APM RCE). Tightened from a generic 'any POST without a cookie on 443/8443' match (extremely broad, alerts on ordinary cookie-less API/health-check traffic) to POST requests specifically targeting F5 APM access-policy processing endpoints (/my.policy, /vdesk/) that lack a session cookie, since the CVE requires an access policy configured on the virtual server and legitimate APM sessions carry a session cookie. Added detection_filter (3 hits/60s per source) to suppress single incidental matches and prioritize repeated attempts. Note: public reporting for this CVE does not include the exact exploit URI/payload, so this is a behavioral/namespace heuristic, not a payload-specific signature — validate against your own APM traffic baseline and update once exploit specifics are published.
Detects possible unauthenticated exploitation attempts against CVE-2025-53521 (F5 BIG-IP APM RCE). Tightened from a generic 'any POST without a cookie on 443/8443' match (extremely broad, alerts on ordinary cookie-less API/health-check traffic) to POST requests specifically targeting F5 APM access-policy processing endpoints (/my.policy, /vdesk/) that lack a session cookie, since the CVE requires an access policy configured on the virtual server and legitimate APM sessions carry a session cookie. Added detection_filter (3 hits/60s per source) to suppress single incidental matches and prioritize repeated attempts. Note: public reporting for this CVE does not include the exact exploit URI/payload, so this is a behavioral/namespace heuristic, not a payload-specific signature — validate against your own APM traffic baseline and update once exploit specifics are published.
Detects incoming HTTP POST requests to the GitLab '/import' endpoint that attempt to access the internal cloud metadata service (169.254.169.254), indicating an exploitation attempt for vulnerabilities such as CVE-2021-22175 or CVE-2021-39935.
Detects incoming HTTP POST requests to the GitLab '/import' endpoint that attempt to access the internal cloud metadata service (169.254.169.254), indicating an exploitation attempt for vulnerabilities such as CVE-2021-22175 or CVE-2021-39935.
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 rapid ICMP (ping) traffic directed towards specific internal and external hosts, characteristic of the RedTail Linux malware attempting to perform network discovery or validate connectivity to command-and-control infrastructure.
Detects rapid ICMP (ping) traffic directed towards specific internal and external hosts, characteristic of the RedTail Linux malware attempting to perform network discovery or validate connectivity to command-and-control infrastructure.
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