Glupteba Malware Uses Bitcoin Blockchain to Update C2 Domains

silversurfer

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Aug 17, 2014
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A new variant of the Glupteba malware dropper is using the Bitcoin blockchain to fetch command and control (C2) server domains from Bitcoin transactions marked with OP_RETURN script opcodes.

The new version discovered by Trend Micro recently has switched to malvertising as the means of distribution and it comes with two more modules besides the newly added Bitcoin blockchain C2 updater, namely an info stealer and an exploit that targets local MikroTik routers.

Attack diagram

Attack diagram
 

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