Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects the execution of rnpkeys.exe from the path C:\ProgramData\keyroll\, which performs DLL side-loading by loading rnp.dll followed by tdwp.dll. This sequence is indicative of the Sauron Loader malware attempting to perform in-memory payload decryption.
Detects the Sauron Loader malware pattern where a payload is downloaded or retrieved and written to a randomly named file within a temporary directory, followed by the immediate execution of that staged file. This behavior is indicative of C2 tasking involving payload staging.
Detects the execution of staged scripts (.cmd, .ps1, .vbs, .js) from user temporary directories using cmd.exe, powershell.exe, or wscript.exe. This behavior is consistent with the Sauron Loader malware family, which utilizes these interpreters to execute secondary C2-tasked payloads.
Detects HTTP POST requests to '/api/credentials' over a non-standard port (8133) typical of AMOS (Atomic macOS Stealer) command and control traffic. The rule specifically looks for established network connections originating from the local network and targeting external hosts, flagging multiple occurrences within a 30-second window.
Detects HTTP POST requests to '/api/credentials' over a non-standard port (8133) typical of AMOS (Atomic macOS Stealer) command and control traffic. The rule specifically looks for established network connections originating from the local network and targeting external hosts, flagging multiple occurrences within a 30-second window.
Detects instances of process injection targeting the 'attrib.exe' process. This behavior is associated with the Sauron Loader, which performs in-memory shellcode execution by allocating memory and creating a remote thread within a legitimate process, such as 'attrib.exe', to avoid writing payloads to disk.
This rule detects outgoing HTTP POST requests to the 'velvet-otter-glagceis.life' domain path '/collect'. The request body contains indicators of victim fingerprinting, specifically looking for 'visitorId' and 'events' fields, characteristic of the Macfinger/ClickFix campaign used for gathering visitor telemetry for malicious purposes.
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 the execution of staged payloads from the Windows %TEMP% directory. This rule monitors for suspicious activity often associated with loader-style C2 execution, including direct execution of randomly named files, proxy execution via rundll32 or regsvr32, silent MSI installations, and the execution of payloads extracted from archives in temporary locations.
Detects the execution of staged payloads from the Windows %TEMP% directory. This rule monitors for suspicious activity often associated with loader-style C2 execution, including direct execution of randomly named files, proxy execution via rundll32 or regsvr32, silent MSI installations, and the execution of payloads extracted from archives in temporary locations.
Detects unpacked Sauron Loader DLL samples by identifying a specific embedded configuration header (magic 0xbaadf00d) followed by RSA key material length fields. This indicates the presence of malicious configuration structures associated with the Sauron Loader malware.
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 HTTP POST requests to '/api/credentials' which is indicative of the AMOS (Atomic macOS) Stealer malware exfiltrating stolen credentials. The rule uses a threshold to identify multiple exfiltration attempts from the same source within a short time window.
Detects HTTP POST requests to '/api/credentials' which is indicative of the AMOS (Atomic macOS) Stealer malware exfiltrating stolen credentials. The rule uses a threshold to identify multiple exfiltration attempts from the same source within a short time window.
Detects the presence of Sauron Loader by matching known SHA-256 hashes of the MSI installer and associated side-loaded DLLs, or by identifying malicious PE files containing the 'Sauron' string.
Detects specific file hashes associated with Atomic macOS Stealer (AMOS) Mach-O payloads, which are often delivered via staging scripts on macOS systems.
Detects a Bash stager script associated with the AMOS (Atomic macOS Stealer) 'ClickFix' campaign. The script performs system architecture verification to download a specific Mach-O payload, makes the downloaded file executable using chmod, and subsequently executes the payload.
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