DGA (“Domain Generation Algorithm") is a popular tactic used by malware to make connections with their C2 more stealthy and difficult to block. The idea is to generate domain names periodically and use them during the defined period. An alternative is to generate a lot of domains and loop across them to find an available C2 server. Attackers just register a few domain names and can change them very quickly.
Powershell Backdoor with DGA Capability, (Fri, Oct 7th)
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