Arnold Chan
@slazTrusted contributorCompletionist
2 followers2,100 downloads4,388 copies51 likes26,189 views
7,555 detections
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This rule monitors endpoint telemetry for occurrences of known malicious file hashes, C2 IP addresses, and C2 domains. It aggregates file creation/modification events, process execution, and network connections to detect activity associated with known malicious entities.
This rule monitors endpoint telemetry for occurrences of known malicious file hashes, C2 IP addresses, and C2 domains. It aggregates file creation/modification events, process execution, and network connections to detect activity associated with known malicious entities.
Detects execution of PowerShell commands containing suspicious arguments (e.g., encoded commands, download cradles) initiated by scheduled task binaries (svchost.exe, taskeng.exe, schtasks.exe) or involving specific suspicious strings associated with identified threat activity.
Detects execution of PowerShell commands containing suspicious arguments (e.g., encoded commands, download cradles) initiated by scheduled task binaries (svchost.exe, taskeng.exe, schtasks.exe) or involving specific suspicious strings associated with identified threat activity.
Detects execution of PowerShell commands containing suspicious arguments (e.g., encoded commands, download cradles) initiated by scheduled task binaries (svchost.exe, taskeng.exe, schtasks.exe) or involving specific suspicious strings associated with identified threat activity.
This rule detects potential malicious activity by matching endpoint file events against a known list of malicious file hashes (SHA256, SHA1, MD5) and monitoring for connections to known malicious domains or URLs.
Detects execution of PowerShell commands containing suspicious arguments (e.g., encoded commands, download cradles) initiated by scheduled task binaries (svchost.exe, taskeng.exe, schtasks.exe) or involving specific suspicious strings associated with identified threat activity.
Detects a suspicious multi-step process injection sequence originating from an obfuscated PowerShell process. The rule identifies PowerShell executing with common obfuscation flags (e.g., -enc, -nop, IEX) and performing multiple API calls (such as NtAllocateVirtualMemoryRemote, NtSetContextThreadRemote, CreateRemoteThread, or OpenProcess) targeting specific executables like csc.exe, chrome.exe, msedge.exe, or SearchIndexer.exe.
Detects network indicators associated with the StealC information stealer, including DNS lookups for identified C2 domains, HTTPS traffic to known C2 endpoints, and suspicious POST requests using multipart/form-data indicative of credential or session data exfiltration.
Detects network indicators associated with the StealC information stealer, including DNS lookups for identified C2 domains, HTTPS traffic to known C2 endpoints, and suspicious POST requests using multipart/form-data indicative of credential or session data exfiltration.
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