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Windows 7: DVR Infected with Bitcoin Mining Malware

03 Apr 2014   #1
A Guy

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Windows 7 Home Premium x64 SP1
DVR Infected with Bitcoin Mining Malware

Johannes Ullrich of the SANS Institute claims to have found malware infecting digital video recorders (DVR) predominately used to record footage captured by surveillance camera systems.

Oddly enough, Ullrich claims that one of the two binaries of malware implicated in this attack scheme appears to be a Bitcoin miner. The other, he says, looks like a HTTP agent that likely makes it easier to download further tools or malware. However, at the present time, the malware seems to only be scanning for other vulnerable devices.

“D72BNr, the bitcoin miner (according to the usage info based on strings) and mzkk8g, which looks like a simplar(sp.) http agent, maybe to download additional tools easily (similar to curl/wget which isn’t installed on this DVR by default),” Ullrich wrote on SANS diary.

A Guy

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 DVR Infected with Bitcoin Mining Malware

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