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RTT· red team

RTT · red team

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Techniques›Credentials & User Impersonation›Keytab Extraction

Credentials & User Impersonation

Keytab Extraction

T1552.001 · MITRE ATT&CK

Review a locally readable or recovered keytab and enumerate its entries with MIT Kerberos klist. KeyTabExtract is only a fallback for a single-entry keytab in the 0x0502 format; it is not reliable for associating keys in general multi-entry files. An RC4-HMAC key is an Active Directory account's NT hash only when it belongs to that account; AES-128 and AES-256 keys are separate key types and are present only when matching entries exist. A current key may permit authentication as its principal if the account and KDC still accept it. Keytab presence alone does not establish machine-account status, delegation, or administrative rights.

ArtifactsRESTRICTED_ACCESS_BLUR_MARKER

Steps1

CategoryCredential Dumping

Discuss in Advisor

Walkthrough

Step 1

RESTRICTED_ACCESS_BLUR_MARKER

RESTRICTED_ACCESS_BLUR_MARKER

Requirements: ALL(RESTRICTED_ACCESS_BLUR_MARKER)

Variant:

Full outcome coverage

keylistattack.py · Enumerate users and request key-list secrets

Enumerate users and request key-list secrets

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_MARKERdependencies: RESTRICTED_ACCESS_BLUR_MARKERverification: RESTRICTED_ACCESS_BLUR_MARKERfailure modes: RESTRICTED_ACCESS_BLUR_MARKERlimitations: RESTRICTED_ACCESS_BLUR_MARKERSource references: RESTRICTED_ACCESS_BLUR_MARKER. Source support does not verify execution.

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