PT-2017-15011 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 4.14.8 Description: The Salsa20 encryption algorithm in the Linux kernel does not correctly handle zero-length inputs. This allows a local attacker who can use the AF ALG-based skcipher interface to cause a deni...

Keeping up with the Petyas: Demystifying the malware family

Last June 27, there was a huge outbreak of a Petya-esque malware with WannaCry-style infector in the Ukraine. Since there is still confusion about how exactly this malware is linked to the original Petya, we have prepared this small guide on the background of the Petya family. The origin of Petya...

EternalPetya and the lost Salsa20 key

We have recently been facing a huge outbreak of a new Petya-like malware armed with an infector similar to WannaCry. The research is still in progress, and the full report will be published soon. In this post, we will focus on some new important aspects of the current malware. The low-level attac...

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Previously the Hubble analysis of the system describes about the modified MBR for disk encryption extortion Trojan Petya's. Recently Leo Stone gives crack Petya key full blasting code and decrypt tool, and noted that Petya author is using a variant of the Salsa20 algorithm to perform key...