Saitama is a backdoor that uses the DNS protocol to encapsulate its command and control (C2) messages - a technique known as DNS Tunneling (MITRE ATT&CK T1071). Spotted and documented by MalwareBytes in two articles posted last month (How the Saitama backdoor uses DNS tunneling and APT34 targets Jordan Government using new Saitama backdoor), Saitama was used in a phishing e-mail targeted to a government official from Jordan’s foreign ministry on an attack attributed to the Iranian group APT34.
Article Link: InfoSec Handlers Diary Blog - SANS Internet Storm Center