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Techniques›Credentials & User Impersonation›Credential Relay DNS

Credentials & User Impersonation

Credential Relay DNS

T1557.001 · MITRE ATT&CK

Redirect a Windows client through Active Directory-integrated DNS record injection or local name-resolution poisoning (for example, LLMNR/NBNS/mDNS, WPAD, or DHCPv6/DNS spoofing) so it may authenticate to an operator-controlled listener; capture or relay NTLM authentication to an eligible SMB, LDAP/LDAPS, or HTTP(S) target, including AD CS web endpoints. These are alternative redirection paths: dnstool.py writes AD DNS objects over LDAP only where the relevant ACL permits it, while Inveigh and mitm6 spoof network name resolution. Success depends on client behavior, network position, target protocol protections, and the relayed account's rights.

ArtifactsRESTRICTED_ACCESS_BLUR_MARKER

Steps1

CategoryCredential Abuse

SourceExternal

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Walkthrough

Step 1

RESTRICTED_ACCESS_BLUR_MARKER

RESTRICTED_ACCESS_BLUR_MARKER

Requirements: none specified (operational prerequisites may still apply)

Check before starting: RESTRICTED_ACCESS_BLUR_MARKER

Coverage Gap: No catalog tool command currently produces this step's declared outcomes.

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