Which method is used by some malware to transfer files from infected hosts to a threat actor host?

Which method is used by some malware to transfer files from infected hosts to a threat actor host?

• UDP infiltration
• ICMP tunneling
• HTTPS traffic encryption
• iFrame injection

Explanation: ICMP traffic from inside the company is also a threat. Some varieties of malware use ICMP packets to transfer files from infected hosts to threat actors via ICMP tunneling.

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