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: To conceal malicious payloads (such as backdoors or stealers) from security software like Windows Defender or traditional antivirus. Common Mechanisms :

RAR archives are frequently used as the initial delivery vehicle for these deobfuscation techniques. Security researchers have identified several recurring patterns:

MITRE ATT&CK Technique T1140 describes how adversaries deobfuscate or decode files or information that has been hidden or encrypted to evade detection.

: Attacks often begin with a phishing email containing a RAR archive or a PDF that downloads a RAR archive.

: Attackers may use password-protected RAR files (often labeled as "beta" or "alpha") to bypass automated email scanners that cannot inspect encrypted contents. 3. Observed Malicious Activity (Examples)