- to request a change of the IP address
- to send stolen sensitive data with encoding
- to check the domain name of the workstation
- to masquerade the IP address of the workstation
Explanation: A piece of malware, after accessing a host, may exploit the DNS service by communicating with command-and-control (CnC) servers and then exfiltrate data in traffic disguised as normal DNS lookup queries. Various types of encoding, such as base64, 8-bit binary, and hex can be used to camouflage the data and evade basic data loss prevention (DLP) measures.
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