Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule monitors endpoint network events, file operations, and process executions for known malicious indicators (domains and file hashes) associated with Kremlin activity. It detects connections to suspicious remote domains and the existence or execution of specific malicious file hashes.
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 network communication with known Command and Control (C2) IP addresses associated with Phantom Stealer malware. This rule monitors both outbound connections from the internal network and inbound traffic from the identified malicious infrastructure.
Matches known VectraRAT sample SHA-256 hashes and the ClickFix distribution domain (verify-cloud.digital) recovered from pivoting across exposed VectraRAT distribution infrastructure
Matches known VectraRAT sample SHA-256 hashes and the ClickFix distribution domain (verify-cloud.digital) recovered from pivoting across exposed VectraRAT distribution infrastructure
Matches known VectraRAT sample SHA-256 hashes and the ClickFix distribution domain (verify-cloud.digital) recovered from pivoting across exposed VectraRAT distribution infrastructure
This rule detects the sequence of an external file download over HTTP, followed by the immediate creation and execution of an executable file (.exe, .dll, .scr) on the endpoint. It specifically filters out common system installers (e.g., msiexec.exe, trustedinstaller.exe) to reduce noise, focusing on potentially malicious payloads delivered via network channels.
Detects periodic outbound network connections (beaconing) from internal hosts to external networks that exhibit patterns consistent with BabylonRAT malware. This rule monitors for a specific threshold of connection attempts over time, which is characteristic of a C2 heartbeat.
Detects network activity and HTTP traffic associated with the Iron Man System kit, specifically targeting hardcoded C2 infrastructure (IP-based) and lure domain patterns involving specific brand tokens combined with disposable TLDs.
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.
Detects outbound connections to and inbound responses from known command-and-control infrastructure associated with the SpiceRAT malware, as part of the SilkParasite campaign. This rule monitors established TCP traffic on ports 80 and 443.
Detects outbound network traffic from internal devices interacting with Dahua Easy4IP cloud relay services, specifically identifying device resolution requests, probe actions, and the submission of WSSE authentication headers (UsernameToken and PasswordDigest) to the cloud relay host.
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.
This rule detects HTTP traffic patterns consistent with a Golang-based Remote Access Trojan (RAT) beaconing to a command and control (C2) server. It monitors for specific fitness-themed URI paths used for C2 communication and identifies the use of a hardcoded domain ('monitorondomainwintgt') within both the HTTP Host header and the TLS SNI field.
Detects outbound network traffic to the GitHub API, a known communication channel for the RUSTYSHADE malware and APT36 (Transparent Tribe) threat group, occurring outside of a previously observed operational cadence (weekdays 04:00-11:00 UTC). Deviations from this baseline pattern on weekends or off-hours suggest unauthorized C2 activity or changes in actor infrastructure.
Detects network beaconing activity associated with Transparent Tribe (APT36) Golang-based remote access trojans (RAT). The rule identifies specific HTTP POST requests to suspicious domains and URI paths ('/api/gym-facility', '/api/gym-membership') that mimic legitimate fitness-related traffic to blend in with environment noise.
Detects the execution of processes named 'DriverInstaller.exe' or 'Automata-20.exe', the invocation of cmd.exe as a child process of these executables, or network requests originating from these processes to GitHub API and raw content endpoints. This pattern is indicative of potential initial access, tool staging, or malicious payload retrieval.
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