Ibrahim Saud
@tektrixIndiaCompletionist
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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.
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