Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects outbound network traffic (HTTPS and TLS) directed at the specific S3-compatible object storage host 'ams1.vultrobjects.com'. This pattern is associated with 'HEAVYGRAM', a threat actor or toolkit using Vultr S3 buckets for potential data exfiltration.
This rule detects network connections to known command-and-control (C2) infrastructure associated with the KREMLIN browser extension. The extension exfiltrates browser data (cookies, sessionStorage, localStorage) by masquerading data transfer within requests to .css files hosted on the attacker-controlled domain 'luizestrelhashapr.online'.
This rule detects network connections to known command-and-control (C2) infrastructure associated with the KREMLIN browser extension. The extension exfiltrates browser data (cookies, sessionStorage, localStorage) by masquerading data transfer within requests to .css files hosted on the attacker-controlled domain 'luizestrelhashapr.online'.
This rule detects network connections to known command-and-control (C2) infrastructure associated with the KREMLIN browser extension. The extension exfiltrates browser data (cookies, sessionStorage, localStorage) by masquerading data transfer within requests to .css files hosted on the attacker-controlled domain 'luizestrelhashapr.online'.
This rule detects network connections to known command-and-control (C2) infrastructure associated with the KREMLIN browser extension. The extension exfiltrates browser data (cookies, sessionStorage, localStorage) by masquerading data transfer within requests to .css files hosted on the attacker-controlled domain 'luizestrelhashapr.online'.
This rule monitors network traffic for requests directed at a specific domain ('luizestrelhashapr.online') and path ('/google_api/b83fa72d.css'), which is identified in threat intelligence as an indicator of browser history exfiltration.
This rule monitors network traffic for requests directed at a specific domain ('luizestrelhashapr.online') and path ('/google_api/b83fa72d.css'), which is identified in threat intelligence as an indicator of browser history exfiltration.
This rule monitors network traffic for requests directed at a specific domain ('luizestrelhashapr.online') and path ('/google_api/b83fa72d.css'), which is identified in threat intelligence as an indicator of browser history exfiltration.
Detects outbound network communication from common web browsers (chrome.exe, msedge.exe) to a specific malicious domain and path associated with suspected Kremlin-linked screenshot exfiltration activities.
Detects outbound network communication from common web browsers (chrome.exe, msedge.exe) to a specific malicious domain and path associated with suspected Kremlin-linked screenshot exfiltration activities.
Detects HTTP POST requests to the Telegram Bot API (/sendPhoto) containing structured string patterns typical of exfiltrated Dahua camera credentials, including login, password, port, location, and channel information. This indicates an automated exfiltration attempt where stolen device credentials are sent to an adversary-controlled Telegram bot.
This rule detects potential data exfiltration by monitoring for screen capture activity, identified by API calls like BitBlt or CopyFromScreen or the loading of gdi32.dll, followed by the creation of a screenshot file and subsequent network connections to GitHub domains.
Detects potential command and control (C2) beaconing activity to GitHub repository API endpoints. The rule monitors for a high frequency of requests to specific file names commonly associated with C2 payloads (e.g., command.txt, results.txt, heartbeat.txt) and employs statistical analysis to identify consistent, non-random connection patterns that deviate from expected business usage.
This rule detects network traffic patterns associated with the PSNATCH malware exfiltrating data to GitHub. It specifically identifies HTTP requests to 'api.github.com' using the custom 'SmartUploader' User-Agent string, which is characteristic of this malware's exfiltration behavior.
Detects network communication patterns associated with the RUSTYSHADE malware family, which leverages the GitHub REST API for command-and-control (C2) operations. The rule monitors for specific SNI indicators, GitHub API URL patterns for command retrieval, task/result file interactions, exfiltration of files (screenshots/webcam photos), and custom encrypted request body markers.
This rule detects a correlation between host-level reconnaissance activity using WMI (via PowerShell or WMIC) to query system information, followed by network exfiltration to a known C2 IP address over a specific URI within a 10-minute window.
This rule detects a correlation between host-level reconnaissance activity using WMI (via PowerShell or WMIC) to query system information, followed by network exfiltration to a known C2 IP address over a specific URI within a 10-minute window.
Detects network communication with Google Sheets API endpoints that contain specific indicators of C2 behavior, such as suspicious User-Agents, specific spreadsheet cell references, or input options characteristic of automated data exfiltration or command retrieval.
Detects network connections to command-and-control infrastructure associated with the JeetBot/Twitch Enhanced Viewer malicious browser extension. The rule triggers on connections to known malicious domains or IPs, as well as specific API endpoints on ambiguous domains that are used for exfiltrating Twitch OAuth tokens.
Detects network connections to command-and-control infrastructure associated with the JeetBot/Twitch Enhanced Viewer malicious browser extension. The rule triggers on connections to known malicious domains or IPs, as well as specific API endpoints on ambiguous domains that are used for exfiltrating Twitch OAuth tokens.
Detects network connections to command-and-control infrastructure associated with the JeetBot/Twitch Enhanced Viewer malicious browser extension. The rule triggers on connections to known malicious domains or IPs, as well as specific API endpoints on ambiguous domains that are used for exfiltrating Twitch OAuth tokens.
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