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RTT· red team

RTT · red team

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Techniques›Privilege Escalation›PrintNightmare (CVE-2021-1675)

Privilege Escalation

PrintNightmare (CVE-2021-1675)

T1068 · MITRE ATT&CK

Legacy Windows Print Spooler driver-installation procedure. Microsoft first classified CVE-2021-1675 as elevation of privilege and later revised its impact to include remote code execution; Microsoft also assigned CVE-2021-34527 to a similar but distinct Print Spooler RCE vulnerability associated with PrintNightmare. The pinned source labels its PoC CVE-2021-1675 while describing remote SYSTEM execution, but identifies the cube0x0/CVE-2021-1675 repository through an unpinned clone URL; it does not pin a commit/release or affected Windows builds. The linked repository current README labels the PoC for both CVE-2021-1675 and CVE-2021-34527 and says remote or local; it does not settle which variant the stored remote steps implement. Do not infer the exact CVE variant or current patch state from this record's title or source filename.

ArtifactsRESTRICTED_ACCESS_BLUR_MARKER

EDR HooksRESTRICTED_ACCESS_BLUR_MARKER

Steps1

CategoryLocal Privilege Escalation

Discuss in Advisor

Walkthrough

Step 1

RESTRICTED_ACCESS_BLUR_MARKER

RESTRICTED_ACCESS_BLUR_MARKER

Requirements: none specified (operational prerequisites may still apply)

Variant:

Full outcome coverage

elevate · Request UAC Elevation for a Command

Request UAC Elevation for a Command

powershell

RESTRICTED_ACCESS_BLUR_MARKER

Version: RESTRICTED_ACCESS_BLUR_MARKER. Requirements: unknown (requirements need clarification)Documents all requested outcomes. This is a candidate, not proof of execution or compatibility.Shell: RESTRICTED_ACCESS_BLUR_MARKER. Privileges: RESTRICTED_ACCESS_BLUR_MARKER.preconditions: RESTRICTED_ACCESS_BLUR_MARKERverification: RESTRICTED_ACCESS_BLUR_MARKERfailure modes: RESTRICTED_ACCESS_BLUR_MARKERlimitations: RESTRICTED_ACCESS_BLUR_MARKER

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