Threat Spotlight: SSHPsychos
Introduction Talos has been monitoring a persistent threat for quite some time, a group we refer to as SSHPsychos or Group 93. This group is well known for creating significant amounts of scanning traffic across the Internet. Although our research efforts help inform and protect
Threat Spotlight: Spam Served With a Side of Dridex
This post was authored by Nick Biasini with contributions from Kevin Brooks. Overview The use of macro enabled word documents has exploded over the last year, a primary example payload being Dridex. Last week, Talos researchers identified another short lived spam campaign that
Research Spotlight: FreeSentry Mitigating use-after-free Vulnerabilities
This post was authored by Earl Carter & Yves Younan. Talos is constantly researching the ways in which threat actors take advantage of security weaknesses to exploit systems. Use-after-free vulnerabilities have become an important class of security problems due to the existe
Research Spotlight: Project FTR
Intro Historically, networks have always been at risk for new, undiscovered threats. The risk of state sponsored hackers or criminal organizations utilizing 0-day was a constant, and the best defense was simply to keep adding on technologies to maximize the odds of detecting
Threat Spotlight: Dyre/Dyreza: An Analysis to Discover the DGA
This post was authored by Alex Chiu & Angel Villegas. Overview Banking and sensitive financial information is a highly coveted target for attackers because of the high value and obvious financial implications. In the past year, a large amount of attention has been centered
Threat Spotlight: The Imperiosus Curse --A Tool of the Dark Arts
Authors: William Largent, Jaeson Schultz, Craig Williams. Special thanks to Richard Harman for his contributions to this post. As consumers, we are constantly bombarded by advertising, especially on the World Wide Web. There is a lot of money to be made either pushing Internet t
Threat Spotlight: PoSeidon, A Deep Dive Into Point of Sale Malware
This post was authored by Andrea Allievi, Ben Baker, Nick Biasini, JJ Cummings, Douglas Goddard, William Largent, Angel Villegas, and Alain Zidouemba Cisco’s Security Solutions (CSS) consists of information security experts with a unique blend of law enforcement, enterprise secu
Research Spotlight: Exploiting Use-After-Free Vulnerabilities
This blog post was authored by Earl Carter & Yves Younan. Talos is constantly researching the ways in which threat actors take advantage of security weaknesses to exploit systems. Yves Younan of Talos will be presenting at CanSecWest on Friday March 20th. The topic of his ta
Talos Discovery Spotlight: Hundreds of Thousands of Google AppsDomains’ Private WHOIS Information Disclosed
This post was authored by Nick Biasini, Alex Chiu, Jaeson Schultz, and Craig Williams. Special thanks to William McVey for his contributions to this post. Overview In mid-2013, a problem occurred that slowly began unmasking the hidden registration information for owners' do