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Impair Defenses: Disable or Modify System Firewall
![Defense Evasion [Mitre] icon](/media/2024/04/08/icons8-burglar.svg){kind=small}
Adversaries may disable or modify system firewalls in order to bypass controls limiting network usage. Changes could be disabling the entire mechanism as well as adding, deleting, or modifying particular rules. This can be done numerous ways depending on the operating system, including via command-line, editing Windows Registry keys, and Windows Control Panel.
Modifying or disabling a system firewall …
Read moreIndicator Removal: Clear Network Connection History and Configurations
Adversaries may clear or remove evidence of malicious network connections in order to clean up traces of their operations. Configuration settings as well as various artifacts that highlight connection history may be created on a system from behaviors that require network connections, such as Remote Services or External Remote Services. Defenders may use these artifacts to monitor or otherwise analyze …
Read moreDNS Tunneling
DNS tunneling is a technique that uses the Domain Name System (DNS) protocol to transfer data in an encrypted and covert manner. It involves encoding the data of other programs or protocols in DNS queries and responses, and using DNS servers as a means of communication.
To carry out DNS tunneling, the attacker typically needs access to a compromised …
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