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RTT· red team

RTT · red team

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Techniques›AD Misconfigurations›AD CS ESC14

AD Misconfigurations

AD CS ESC14

T1649 · MITRE ATT&CK

ESC14 abuses explicit X.509 certificate mappings in AD altSecurityIdentities. In the direct-write scenario, a principal able to modify a target's attribute can map a certificate they control to that target and authenticate with it; this can work with a strong mapping even when DCs reject weak mappings. Other ESC14 variants abuse pre-existing weak mappings such as SubjectOnly, IssuerSubject, or RFC822 and require additional mutable-identifier, certificate-template, and DC mapping conditions. Do not assume weak-mapping variants work on fully updated Windows DCs.

ArtifactsRESTRICTED_ACCESS_BLUR_MARKER

Steps1

CategoryAD Certificate 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

Variant:

Full outcome coverage

ForgeCert · Create an authorized lab authentication certificate

Create an authorized lab authentication certificate

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.preconditions: RESTRICTED_ACCESS_BLUR_MARKERverification: 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