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RTT· red team

RTT · red team

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Techniques›Credentials & User Impersonation›Valid Accounts — Use of Mail Relay

Credentials & User Impersonation

Valid Accounts — Use of Mail Relay

T1078.002 · MITRE ATT&CK

Use a valid domain account to authenticate to an internal SMTP submission endpoint and send one controlled test message. This is a domain-account abuse procedure (T1078.002) and tests the account's configured submission and sender permissions; it does not prove open-relay capability, downstream delivery, phishing, or data exfiltration.

ArtifactsRESTRICTED_ACCESS_BLUR_MARKER

Steps1

CategoryCredential 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

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