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RTT· red team

RTT · red team

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Techniques›Defense Evasion›PowerShell v2 abuse

Defense Evasion

PowerShell v2 abuse

T1689 · MITRE ATT&CK

On a Windows host where the legacy Windows PowerShell 2.0 engine is installed, explicitly launch that engine to run a command. This downgrade can impair visibility and protections available in later PowerShell versions, including Script Block Logging and (on Windows 10 with PowerShell 5.1+) AMSI inspection. It does not guarantee evasion or prove the supplied command achieved its objective.

ArtifactsRESTRICTED_ACCESS_BLUR_MARKER

Steps1

CategoryLOLBin Abuse

Discuss in Advisor

Walkthrough

Step 1

RESTRICTED_ACCESS_BLUR_MARKER

RESTRICTED_ACCESS_BLUR_MARKER

Requirements: ALL(RESTRICTED_ACCESS_BLUR_MARKER)

Check before starting: RESTRICTED_ACCESS_BLUR_MARKER

Full outcome coverage

Docker Compose · Launch Staged Services via Compose

Launch Staged Services via Compose

powershell

RESTRICTED_ACCESS_BLUR_MARKER

Version: RESTRICTED_ACCESS_BLUR_MARKER. Requirements: ALL(RESTRICTED_ACCESS_BLUR_MARKER)Documents all requested outcomes. This is a candidate, not proof of execution or compatibility.

RESTRICTED_ACCESS_BLUR_MARKER

Detection signal

Detection 01

RESTRICTED_ACCESS_BLUR_MARKER

Mitigations

Mitigation 01

RESTRICTED_ACCESS_BLUR_MARKER

OPSEC notes

RESTRICTED_ACCESS_BLUR_MARKER

References

Extended details

RESTRICTED_ACCESS_BLUR_MARKER