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Nuclear Bot source code leaked online, a new threat will rapidly spread in the wild

Nuclear Bot source code leaked

The source code for a new banking Trojan, dubbed Nuclear Bot, is available for sale in the cyber criminal underground.The Nuclear Bot banking Trojan first appeared in the cybercrime forums in early December when it was offered for $2,500. The malicious code implements features commonly seen in banking Trojans, it is able to inject code in Mozilla Firefox, Internet Explorer and Google Chrome browsers and steal sentitive data provided by the users.“In early December 2016, IBM X-Force researchers noticed the emergence of a new banking malware advertised for sale in a few underground boards.” reads a blog post published by IBM researchers who are following the evolution of the threat. “The malware’s vendor, who went by the online moniker Gosya, was a Russian-speaking member who introduced himself as the developer of Nuclear Bot, or NukeBot, a modular banking Trojan.”
The Trojan can also open a local proxy or hidden remote desktop service to allow crooks to initiate rogue transactions through the victims’ browsers after they have been tricked into providing the second authentication factor.
According to IBM, the creator of the malware has lost his credibility over the months and has been flagged as a scammer in the hacking community. The malware author did not offer a test version of the malware to potential buyers and advertised the Nuclear Bot using different names on different cybercrime forums.
In order to gain credibility and notoriety in the cyber crime community the author of the malware decided on releasing the Trojan’s source code.
The release of malicious code online represents an important milestone in the malware life cycle because give the opportunity to oder malware developers and crime organizations to customize and distribute their own version of the malware.
The NukeBot Trojan appears as a powerful tool written from scratch and that was able in early stage attacks to avoid detection of antivirus solutions.
“We know from previous incidents, such as the Zeus, Gozi and Carberp leaks, that publicly available source code makes for more malware. This is often incorporated into existing projects. X-Force researchers noted that NukeBot is likely to see the same process take place in the wild, especially since its code is not copied from other leaked malware, per the developer’s claims.” continues IBM.
“At this time, NukeBot has not been detected in real-world attacks and does not have defined target lists.”
Security experts expect a growing number of players in cybercrime underground will start to offer the NukeBot Trojan through the consolidated model of sale known as malware-as-a-service.