Banking baddies in recursive ruse
By John Leyden, 8 Apr 2014 Cybercrooks are upping the ante by loading malware as an attachment inside another attachment in a bid to slip past security defences.A new variant of the Upatre Trojan comes bundled in spammed messages that imitate emails from known banks such as Lloyds Bank and Wells Fargo. The .MSG file of the malicious emails contains another .MSG file attached with an attached "ZIP" file.
The ZIP files poses as a password-protected archive containing a "secure message" from the intended victim's bank while in reality containing a variant of the Upatre Trojan.
Opening the "ZIP file" on a Windows machine results in an attempt to infect the machine before a download of a variant of the ZeuS (Zbot) banking Trojan ensues. The Trojan then attempts to snaffle online banking passwords.
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This one is interesting...if anything for the implications rather than the execution...?