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RTT· red team

RTT · red team

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Techniques›Defense Evasion›C2 via DNS

Defense Evasion

C2 via DNS

T1568.003 · MITRE ATT&CK

Adversaries may derive a destination IP address and/or port for command and control from IP addresses returned in DNS responses, instead of using the returned address or a predetermined port. This can help evade egress filtering on a C2 channel.

ArtifactsRESTRICTED_ACCESS_BLUR_MARKER

EDR HooksRESTRICTED_ACCESS_BLUR_MARKER

Steps1

CategoryCommand and Control

Discuss in Advisor

Walkthrough

Step 1

RESTRICTED_ACCESS_BLUR_MARKER

RESTRICTED_ACCESS_BLUR_MARKER

Requirements: ALL(RESTRICTED_ACCESS_BLUR_MARKER)

Variant:

Full outcome coverage

Cobalt Strike · Scan hosts and ports with Beacon portscan

Scan hosts and ports with Beacon portscan

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.

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