Arnold Chan
@slazTrusted contributorCompletionist
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This rule detects the creation of specific system mutexes commonly used by malware for persistence or to avoid multiple infections (Mutual Exclusion). It monitors for both a specific hardcoded mutex and a pattern-based approach (15-20 alphanumeric characters) initiated by executables from common temporary or user-writable directories, which is a frequent indicator of malicious secondary payloads or droppers.
This rule monitors for processes named 'msedge.exe' executing from the 'C:\ProgramData\Microsoft\Windows\Telemetry\' directory. The rule filters out legitimate Edge update processes and common browser command-line arguments to isolate potentially malicious masquerading attempts by identifying binaries that share the name of a legitimate application but reside in unexpected, often non-standard locations.
This rule monitors for processes named 'msedge.exe' executing from the 'C:\ProgramData\Microsoft\Windows\Telemetry\' directory. The rule filters out legitimate Edge update processes and common browser command-line arguments to isolate potentially malicious masquerading attempts by identifying binaries that share the name of a legitimate application but reside in unexpected, often non-standard locations.
This rule monitors for processes named 'msedge.exe' executing from the 'C:\ProgramData\Microsoft\Windows\Telemetry\' directory. The rule filters out legitimate Edge update processes and common browser command-line arguments to isolate potentially malicious masquerading attempts by identifying binaries that share the name of a legitimate application but reside in unexpected, often non-standard locations.
Detects the MovieReaper payload behavior where a specific file manager process masquerading as a legitimate system utility (msedge.exe) performs mass file enumeration or access followed by suspicious outbound network connections, indicative of data staging and exfiltration.
Detects the MovieReaper payload behavior where a specific file manager process masquerading as a legitimate system utility (msedge.exe) performs mass file enumeration or access followed by suspicious outbound network connections, indicative of data staging and exfiltration.
Detects the MovieReaper payload behavior where a specific file manager process masquerading as a legitimate system utility (msedge.exe) performs mass file enumeration or access followed by suspicious outbound network connections, indicative of data staging and exfiltration.
Detects the MovieReaper payload behavior where a specific file manager process masquerading as a legitimate system utility (msedge.exe) performs mass file enumeration or access followed by suspicious outbound network connections, indicative of data staging and exfiltration.
Detects execution of the MovieReaper initial loader binary. This malware employs advanced anti-analysis techniques, specifically manual PEB-walking to resolve APIs and evade detection by standard library loading hooks. The rule alerts on known file hashes and specific masquerading filenames.
Detects execution of the MovieReaper initial loader binary. This malware employs advanced anti-analysis techniques, specifically manual PEB-walking to resolve APIs and evade detection by standard library loading hooks. The rule alerts on known file hashes and specific masquerading filenames.
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