Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects HTTP POST requests targeting the '/api/credentials' path on non-standard port 8133, which is indicative of AMOS (Atomic macOS Stealer) malware exfiltrating stolen credentials to a remote command and control server.
Detects network traffic associated with AMOS (Atomic macOS) Stealer malware, identifying C2 beaconing and tasking requests. The rules specifically monitor POST requests to '/api/t' with JSON payloads and GET requests to '/api/shell/agent' over non-standard ports (excluding 80 and 443).
Detects network traffic associated with the 'ClickFix' technique, where malicious websites masquerade as legitimate CAPTCHA or bot-protection services to exfiltrate visitor telemetry via POST requests or fetch malicious script overlays.
Detects outbound network traffic matching TLS SNI patterns associated with the Sauron Loader malware, indicating command-and-control (C2) communication. The rule monitors for frequent connections to specific domains (namsb-show, quinlantours, virtual-magic, lahaina-shores) following a defined threshold.
Detects multiple HTTP POST requests to a specific credential-related API path (/api/credentials) directed at an external IP address (95.163.153.80) on a non-standard port (8133). This pattern is indicative of potential automated credential exfiltration or brute-force activity.
Detects a pattern of frequent (6 or more per minute) small HTTP POST requests (up to 16KB) targeting specific sensitive API or internal URI paths. The detection logic also filters for traffic originating from a specific Microsoft Edge browser user agent string on Windows 64-bit systems, which may indicate automated data exfiltration, beaconing, or communication with a Command and Control (C2) server.
This rule detects two-stage suspicious network activity: first, a POST request to a known Sauron Loader C2 endpoint ('/api/t'), and second, a subsequent TLS connection to 'ipinfo.io' used for geolocation. The correlation is achieved using flowbits to track the infection lifecycle.
Detects DNS lookup queries and HTTP POST beaconing attempts directed at known Sauron Loader C2 fallback infrastructure. The rule tracks specific domains associated with the malware's encrypted registration and command-and-control behavior.
Detects network beaconing activity associated with the Sauron Loader malware. The rule monitors HTTPS traffic for specific domain patterns and suspicious TLV (Type-Length-Value) protocol structures, as well as recurring beaconing cadence to identified C2 infrastructure.
Detects network beaconing activity associated with AMOS Stealer command-and-control communication. The rule identifies HTTP POST requests to the '/api/t' path with a JSON content type over port 8133, using a threshold to identify sustained communication patterns.
Detects network activity associated with the AMOS (Atomic macOS Stealer) malware, specifically identifying C2 registration/heartbeat beacons and tasking retrieval requests to known C2 URI paths over port 8133.
Detects network activity associated with the Sauron Loader, including TLS connections to specific C2 domains and repeated HTTPS POST requests to api.* subdomains indicating beaconing or polling behavior.
Detects outbound TLS traffic where the Server Name Indication (SNI) matches known command-and-control (C2) domains associated with the Sauron Loader malware. This indicates a compromised host attempting to communicate with malicious infrastructure.
Detects activity associated with the Sauron Loader malware, specifically monitoring for the execution of rnpkeys.exe or loading of tdwp.dll, followed by a high volume of HTTPS POST requests to the same destination host, which is characteristic of chunked screenshot exfiltration.
Detects execution of rnpkeys.exe from the C:\ProgramData\keyroll\ directory, which is indicative of Sauron Loader side-loading activity, followed by an outbound network connection on port 443 within a 5-minute window. This behavior is consistent with the initial bot registration beaconing phase of the malware.
Detects network traffic consistent with AMOS Stealer command-and-control (C2) activity, specifically HTTP POST requests to the path '/api/t' on non-standard TCP port 8133. The rule includes a threshold to mitigate noise from single connections.
Detects DNS queries and TLS SNI traffic directed towards known domain names associated with the Sauron Loader command-and-control infrastructure. This rule identifies outbound communication attempts using hardcoded beaconing domains.
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 known command-and-control (C2) domains associated with the Sauron Loader malware family, specifically by inspecting TLS Server Name Indication (SNI) fields. It also monitors for patterns of repeated connections to domains prefixed with 'api.' over established TLS sessions, which may indicate beaconing behavior characteristic of C2 activity.
Detects network activity associated with the AMOS (Atomic Stealer) malware, specifically identifying C2 registration, heartbeats, or credential exfiltration attempts over the non-standard port 8133 using HTTP patterns matching its known API endpoints.
Detects outbound HTTP POST requests characteristic of the Sauron Loader malware, utilizing a specific, randomized URI path structure and a known malicious User-Agent string to establish C2 communication.
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