Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects unauthorized privilege escalation attempts within the MyBB Admin Control Panel (ACP) by monitoring limited-privilege accounts accessing restricted modules (e.g., plugins, templates, user groups). It correlates these web requests with file system changes in the plugin directory by the web server process and monitors application logs for suspicious administrative activity.
Detects HTTP POST requests to MyBB Admin Control Panel modules restricted to superadministrators (e.g., user management, group configuration, settings) initiated by non-privileged accounts. This activity is consistent with privilege escalation exploitation patterns where internal authorization checks might be bypassed.
Monitors web or API gateway logs for POST requests directed at vulnerable vLLM multimodal endpoints containing the 'video_url' parameter. This is the entry point for the CVE-2026-22778 exploit chain.
Detects HTTP requests directed at known MexicanMafia Operation Escaneo phishing infrastructure, specifically targeting tax authority and SeedDMS document management users. The rule alerts on access to identified artifact filenames used in the campaign, such as phishing poc and spoofed document management pages.
Detects outbound network connections to specific known malicious egress IP addresses associated with Operation Escaneo, utilizing the Wget user agent to request the '/pwned' resource over port 8888, indicative of SOCKS5-tunneled data exfiltration.
Detects one external source repeatedly requesting PeopleSoft administrative endpoints across multiple destinations or URLs within fifteen minutes. This activity could indicate an attacker performing reconnaissance or vulnerability scanning against public-facing PeopleSoft applications.
Detects HTTP network connections to the specific URI path and parameters used by the OnyxC2 stealer for C2 beaconing and data exfiltration.
Detects HTTPS POST requests to known attacker-controlled infrastructure associated with the BadBlocker campaign (e.g., Unistream SDK, adblock-for-youtube domains). These requests often originate from browser extensions via injected scripts, facilitating the potential exfiltration of sensitive browser session data or credentials.
Detects the 'Adblock for YouTube' browser extension (cmedhionkhpnakcndndgjdbohmhepckk) initiating network connections to api.adblock-for-youtube.com to fetch scriptlets. This behavior is associated with bypassing URL validation to enable script injection on non-YouTube domains.
Detects anomalous WebSocket connections that transmit DOM serialization data using the rrweb library. This activity is indicative of a Browser-in-the-Middle (BitM) phishing framework, where an attacker records and relays a live, authenticated browser session from a victim to an adversary-controlled server.
Detects behavior indicative of Bluekit Browser-in-the-Middle (AiTM) phishing, where a client system fetches the rrweb DOM-serialization library followed by the establishment of a WebSocket connection within a 5-minute window. This sequence is consistent with live session recording or interactive DOM streaming from an attacker-controlled infrastructure.
Identifies outbound traffic to specific task dispatch endpoints.
Detects Browser-in-the-Middle (BitM) phishing attacks, such as Bluekit, that utilize the rrweb library for real-time DOM serialization and WebSocket streaming to capture user sessions. The rule correlates the presence of the rrweb library in HTTP traffic with WebSocket communication patterns containing session handshakes and serialized DOM payloads.
Detects HTTP requests initiated by common browser adblock extensions to remote API endpoints for retrieving rule configuration files. This behavior can be exploited by adversaries to perform remote scriptlet injection or change extension behavior via server-side updates, potentially enabling unauthorized JavaScript execution in the browser's context.
Detects Browser-in-the-Middle (BitM) phishing infrastructure associated with PhaaS kits (e.g., Bluekit). The detection monitors proxy access logs for patterns where page assets (images, fonts, CSS) are fetched through a proxy API endpoint on behalf of the victim, combined with WebSocket connections used for real-time relay of victim inputs to the attacker.
Detects outbound web requests to domains associated with 'Adblock for YouTube', which has been identified as malicious browser extension behavior involving fetching script rules or lifecycle signals, potentially indicative of unauthorized data collection or C2-like behavior.
This rule detects network activity associated with known malicious browser extensions identified as 'AdBlock' variants. It monitors for connections to the domain 'api.adblock-for-youtube.com' or requests to '/api/v2/rules' made by specific extension IDs that are known to perform unauthorized or suspicious activities.
Identifies Havoc Demon payloads beaconing to anomalous, predictable HTTP/HTTPS URIs used by default Havoc profiles (e.g., /weather, /api/v1). The detection specifically looks for HTTP connections originating from processes located in the 'Downloads' folder.
This detection identifies potential usage of the Naabu port scanner by searching for its process execution or its specific network user-agent string. Naabu is a fast port scanner that can be used for network reconnaissance. This search leverages the Endpoint and Web CIM data models.
Detects repeated HTTP PUT operations targeting the Ghost CMS admin API for post updates. This rule focuses on network connections or process command lines indicating such activity, retaining principal and target context for further correlation. This activity could be indicative of exploitation of vulnerabilities like CVE-2026-26980, leading to mass compromise and content manipulation.
Detects HTTP C2 communication patterns associated with Remcos RAT loader by monitoring network events for specific URLs and known malicious IP addresses. This rule identifies outbound network connections to hardcoded malicious IPs and specific URL paths often used for command and control by Remcos.
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