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Windows Defender

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low advisory

Windows Defender Disabled via Registry Modification

Attackers modify the Windows Defender registry settings to disable the service or set the service to be started manually, evading defenses.

Windows Defender +1 defense-evasion windows registry modification
2r 3t
medium advisory

Disabling Windows Defender Security Settings via PowerShell

Attackers use PowerShell commands, including base64-encoded variants, to disable or weaken Windows Defender settings, impairing defenses on compromised systems.

Windows Defender defense-evasion powershell windows
2r 2t
medium advisory

Potential RemoteMonologue Attack via Registry Modification

This rule detects potential RemoteMonologue attacks by identifying attempts to perform session hijacking via COM object registry modification, specifically when the RunAs value is set to Interactive User.

MsMpEng.exe +4 remotemonologue defense-evasion persistence windows
2r 4t
high advisory

Suspicious Microsoft Antimalware Service Executable Execution

Detects suspicious execution of the Microsoft Antimalware Service Executable (MsMpEng.exe) from non-standard paths or renamed instances, which may indicate an attempt to evade defenses through DLL side-loading or masquerading.

Microsoft Antimalware Service Executable +6 defense-evasion execution windows
3r 1t
medium advisory

Suspicious LSASS Process Access

This rule identifies suspicious access attempts to the LSASS process, potentially indicating credential dumping attempts by filtering out legitimate processes and access patterns to focus on anomalies.

Windows Defender +3 credential-access lsass windows
3r 1t
medium advisory

MpCmdRun.exe Used for Remote File Download

Attackers are abusing the Windows Defender MpCmdRun.exe utility to download remote files, potentially delivering malware or offensive tools into compromised systems.

Windows Defender command-and-control ingress-tool-transfer windows mpcmdrun
2r 1t
medium advisory

Disabling Windows Defender Security Settings via PowerShell

Attackers use PowerShell commands like Set-MpPreference or Add-MpPreference, often with base64 encoding, to disable or weaken Windows Defender security settings in order to evade detection and execute malicious payloads.

Windows Defender defense-evasion powershell windows
3r 2t