security_mitigations | Detection.FYI

Microsoft Defender Blocked from Loading Unsigned DLL

Apr 28, 2026 · attack.privilege-escalation attack.persistence attack.execution attack.stealth attack.t1574.001 ·
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Detects Code Integrity (CI) engine blocking Microsoft Defender's processes (MpCmdRun and NisSrv) from loading unsigned DLLs which may be an attempt to sideload arbitrary DLL

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Unsigned Binary Loaded From Suspicious Location

Apr 28, 2026 · attack.privilege-escalation attack.persistence attack.execution attack.stealth attack.t1574.001 ·
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Detects Code Integrity (CI) engine blocking processes from loading unsigned DLLs residing in suspicious locations

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