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August 26, 2016 10:54

Vulnerability Spotlight: Kernel Information Leak & Multiple DOS Issues Within Kaspersky Internet Security Suite

A further local denial of service attack is possible through Kaspersky’s KL1 driver. A malicious user can send a specially crafted IOCTL call to the KL1 driver. Under certain conditions, this can causing the driver to read memory outside of an allocated buffer. This may provoke a

March 16, 2016 10:58

TeslaCrypt 3.0.1 - Tales From The Crypt(o)!

This post is authored by Andrea Allievi and Holger Unterbrink Executive Summary Ransomware is malicious software that is designed to hold users' files (such as photos, documents, and music) for ransom by encrypting their contents and demanding the user pay a fee to decryp

December 10, 2015 11:11

Threat Spotlight: CryptoWall 4 - The Evolution Continues

This post is authored byAndrea Allievi and Holger Unterbrink with contributions from Warren Mercer.   Executive Summary Over the past year, Talos has devoted a significant amount of time to better understanding how ransomware operates, its relation to other malware, and its ec