DNS (T1071.004)

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In Playbook

Associated Tactics

  • Command And Control

Command and Control (TA0011)

The adversary is trying to communicate with compromised systems to control them. Command and Control consists of techniques that adversaries may use to communicate with systems under their control within a victim network. Adversaries commonly attempt to mimic normal, expected traffic to avoid detection. There are many ways an adversary can establish command and control with various levels of stealth depending on the victim’s network structure and defenses.

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Procedure Examples

Description Source(s)
Galobardes, R. (2018, October 30). Learn how easy is to bypass firewalls using DNS tunneling (and also how to block it). Retrieved March 15, 2020. Medium DnsTunneling
Gardiner, J., Cova, M., Nagaraja, S. (2014, February). Command & Control Understanding, Denying and Detecting. Retrieved April 20, 2016. University of Birmingham C2
Palo Alto Networks. (n.d.). What Is DNS Tunneling?. Retrieved March 15, 2020. PAN DNS Tunneling