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Malware Analysis
New powerful malware obfuscation technique
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<blockquote data-quote="Andy Ful" data-source="post: 906635" data-attributes="member: 32260"><p>Unfortunately, this method can avoid AMSI by using CMD commands. The infection part related to communication with the C&C server could be detected by AMSI if the attacker would use PowerShell or Windows Script Host, but the author uses Python.</p><p>All of this is interesting and can be dangerous by using offline ransomware (no C&C server). But in practice when the attacker wants to use C&C server then another scripting engine has to be used. If the attacker can install Python on the target machine then the Python scripts will be probably as dangerous as Phantom Malware.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite111" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /></p></blockquote><p></p>
[QUOTE="Andy Ful, post: 906635, member: 32260"] Unfortunately, this method can avoid AMSI by using CMD commands. The infection part related to communication with the C&C server could be detected by AMSI if the attacker would use PowerShell or Windows Script Host, but the author uses Python. All of this is interesting and can be dangerous by using offline ransomware (no C&C server). But in practice when the attacker wants to use C&C server then another scripting engine has to be used. If the attacker can install Python on the target machine then the Python scripts will be probably as dangerous as Phantom Malware.:( [/QUOTE]
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