Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
4,230 detections
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Detects network activity associated with the NPM Btree malware campaign, specifically TLS/HTTP communication with Ethereum Sepolia RPC endpoints (Alchemy and Infura) and requests containing a hardcoded malicious contract address.
Detection of suspicious network traffic directed toward Slack APIs, characterized by the use of hardcoded Slack bot tokens and specific communication patterns associated with the 'indexed-btree' npm malware family, indicating potential C2 communication or data exfiltration.
Detects outbound network connections to specific IOCs associated with UTA0565 threat activity, including the use of an exploit-loader path (/config.html) on impersonated decoy sites.
This rule detects potential malicious activity by monitoring for known indicators of compromise, including specific SHA256 file hashes, a known malicious IP address, and URLs associated with identified threats. The detection spans file creation/execution, network connections, and URL visits to block or alert on interactions with suspicious infrastructure.
This rule monitors for indicators of compromise (IOCs) associated with Operation SideCopy, including specific file hashes, known command-and-control (C2) IP addresses, malicious domains, and URLs. It triggers on file creation, process execution, and network connections matching these known indicators.
This rule monitors for indicators of compromise (IOCs) associated with Operation SideCopy, including specific file hashes, known command-and-control (C2) IP addresses, malicious domains, and URLs. It triggers on file creation, process execution, and network connections matching these known indicators.
Detects outbound HTTP requests to the Telegram Bot API associated with the malicious 'indexed-btree' npm package. The rule specifically monitors for hardcoded Telegram bot tokens and chat IDs used for data exfiltration.
Detects outbound network traffic attempting to exfiltrate data to Slack or Telegram APIs using hardcoded bot tokens or channel identifiers associated with the 'indexed-btree' malware campaign.
Detects outbound HTTP POST requests to the Polygon blockchain using the 'eth_call' JSON-RPC method, specifically targeting a known smart contract address associated with EtherHiding-style C2 infrastructure. This behavior indicates an adversary utilizing decentralized blockchain storage or services as an unconventional command-and-control channel to resolve malicious configurations or payloads.
Detects outbound network traffic, including DNS lookups, TLS connections, and HTTP requests, directed towards IPRoyal or LightningProxies. These services are commonly used as residential or datacenter proxies and may be leveraged by adversaries for command-and-control (C2) communication, including traffic tunneling for services like Telegram.
Detects high-frequency anonymous comment submissions to 'wp-comments-post.php' from a single IP address within a 10-minute window, characterized by minimal variations in User-Agent. This behavior is indicative of an automated script attempting to bypass comment moderation settings, potentially exploiting known vulnerabilities (e.g., CVE-2026-93485) to inject content without administrative approval.
Detects high-frequency anonymous comment submissions to 'wp-comments-post.php' from a single IP address within a 10-minute window, characterized by minimal variations in User-Agent. This behavior is indicative of an automated script attempting to bypass comment moderation settings, potentially exploiting known vulnerabilities (e.g., CVE-2026-93485) to inject content without administrative approval.
Detects anomalous patterns associated with potential WordPress comment moderation bypass. The rule identifies suspicious rapid sequences of comment submissions, use of unapproved comment preview endpoints with moderation hashes, or reuse of approved-commenter cookies. These behaviors can be indicative of an attacker attempting to preview or force-render stored XSS payloads to administrators or visitors before the comment has been officially approved.
Detects anomalous patterns associated with potential WordPress comment moderation bypass. The rule identifies suspicious rapid sequences of comment submissions, use of unapproved comment preview endpoints with moderation hashes, or reuse of approved-commenter cookies. These behaviors can be indicative of an attacker attempting to preview or force-render stored XSS payloads to administrators or visitors before the comment has been officially approved.
Detects anomalous patterns associated with potential WordPress comment moderation bypass. The rule identifies suspicious rapid sequences of comment submissions, use of unapproved comment preview endpoints with moderation hashes, or reuse of approved-commenter cookies. These behaviors can be indicative of an attacker attempting to preview or force-render stored XSS payloads to administrators or visitors before the comment has been officially approved.
Detects anomalous patterns associated with potential WordPress comment moderation bypass. The rule identifies suspicious rapid sequences of comment submissions, use of unapproved comment preview endpoints with moderation hashes, or reuse of approved-commenter cookies. These behaviors can be indicative of an attacker attempting to preview or force-render stored XSS payloads to administrators or visitors before the comment has been officially approved.
Detects potential zero-click administrator session hijacking by correlating a logged-in administrator accessing a page containing user-generated content (e.g., comments) followed immediately by a sensitive administrative action (e.g., plugin installation, user creation) within a 5-second window, suggesting automated script execution via an autofocus/onfocus handler triggered by the admin's browser.
This rule detects outbound HTTP requests to the blogspot.com domain, which is often used by malware for command-and-control (C2) communication, staging, or as an initial check-in mechanism. Attackers frequently abuse legitimate blogging platforms to host malicious content and evade network-based detections that might otherwise flag unknown or suspicious domains.
Detects repeated large HTTP PUT or POST requests (exceeding 5MB) from a internal host to external destinations. This pattern is indicative of potential bulk data exfiltration over web services.
This rule monitors network traffic, DNS queries, and user web clicks to detect interactions with known malicious domains associated with credential harvesting and phishing campaigns, specifically those impersonating security or SSO portals.
Detects outbound network traffic associated with identified ClickFix CPaaS payload domains and associated API endpoints. The rule monitors for specific malicious domain contact (comicstar.lat, babybon.cfd, merkantalolol.asia) and the use of the '/api/index.php?a=init' endpoint, which is indicative of the ClickFix payload delivery mechanism.
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