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August 27th, 2013

Linux Trojan “Hand of Thief” ungloved

A new threat for the Linux platform was first mentioned on August 7th by RSA researchers, where it was dubbed Hand of Thief.  The two main capabilities of this Trojan are form-grabbing of Linux-specific browsers and entering a victim’s computer by a back-door. Moreover, it is empowered with features like anti-virtualization and anti-monitoring. With the level of overall sophistication Hand of Thief displays, it can be compared to infamous non-Windows threats such as the FlashBack Trojan for MacOsX platform discovered last year or Trojan Obad for Android from recent times.

A detailed analysis uncovers the following structure of the initial file with all parts after the dropper being encrypted (hexadecimal number displays starting offset of a block):

handofthief_scheme

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