Cyberspy group repurposes 12-year-old Bifrose backdoor

A group of hackers that primarily targets companies from key industries in Asia is using heavily modified versions of a backdoor program called Bifrose that dates back to 2004.

The group, which researchers from antivirus vendor Trend Micro call Shrouded Crossbow, has been targeting privatized government organizations, government contractors and companies from the consumer electronics, computer, healthcare, and financial industries since 2010.

The group’s activities are evidence that engaging in cyberespionage doesn’t always require huge budgets, stockpiles of zero-day vulnerabilities and never-before-seen malware programs. Old cybercrime tools can be repurposed and improved for efficient attacks.

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Story added 11. December 2015, content source with full text you can find at link above.