A crafty Linux malware has evaded detection for years and experts still don't know what it does | PC Gamer - caldwellforgy1944
A crafty Linux malware has evaded detection for eld and experts still put on't know what IT does
Security department researchers induce discovered a crafty piece of malware written for Linux, but finding information technology after three long time in the wild is just "the bung of the iceberg," they say. Its role corpse a mystery story.
At to the lowest degree it in real time has an indistinguishability. Researchers at Qihoo 360 Netlab (via Bleeping Computer) are calling it RotaJakiro, named after a mashing of its characteristics—it uses rotating encryption keys, and is a two-headed beast of sorts, in that it executes different code for ascendant and non-root accounts.
Staying obscure for so long is a result of RotaJakiro employing a combination of ZLIB compression and several variant encryption algorithms. Dating back to 2018, at the least four RotaJakiro samples have been uploaded to VirusTotal, a website that scans files with terminated 60 antivirus engines. The all but Recent epoch upload occurred in Jan of this year.
The collection of antivirus engines returned a unused bill of health in each representativ, leading the Qihoo 360 Netlab security team to wonder if there are many samples out there. That is not the only mystery, though.
"The material work is distant from all over, and many questions remain unrequited: How did RotaJakiro spread, and what was its purpose? Does RotaJakiro have a specific poin? We would love to know if the community of interests has relevant leads," the security team stated in a blog post.
What the researchers do know is that RotaJakiro supports a 12 functions. Threesome of them are enate to plugins, but for what purpose is not yet luculent. It is capable of creating a backdoor into putrefactive 64-bit Linux machines, which in theory could reserve an attacker to steal sensitive information.
Researchers also observed a few shared characteristics with the Torii botnet that was discovered away Avast in 2018, leading them to admiration if there is any sort of connection between the deuce.
"From the perspective of countermand engineering, RotaJakiro and Torii portion out correspondent styles: the expend of encryption algorithms to obliterate sensitive resources, the implementation of a sooner old-cultivate style of persistence, structured network dealings, etc. We don't exactly screw the answer, simply it seems that RotaJakiro and Torii cause some connections," the researchers aforementioned.
Whatever the intent, its years of hiding in plain tidy sum are o'er, with this discovery. At least four Ab engines at VirusTotal now notice the malware, and we gues it North Korean won't constitute long before dozens of others catch up.
Saul has been playing PC games and raking his knuckles connected data processor hardware since the Commodore 64. He does not have any tattoos, but thinks it would be cool to puzzle one that reads Consignment"*",8,1. In his off time, he rides motorcycles and wrestles alligators (only one of those is true).
Source: https://www.pcgamer.com/a-crafty-linux-malware-has-evaded-detection-for-years-and-experts-still-dont-know-what-it-does/
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