Want Tofsee My Pictures? A Botnet Gets Aggressive
This post was authored by Edmund Brumaghin Summary Tofsee is multi-purpose malware that has been in existence for several years, operating since at least 2013. It features a number of modules that are used to carry out various activities such as sending spam messages, conducti
Threat Spotlight: GozNym
This blog was authored by Ben Baker, Edmund Brumaghin and Jonah Samost. Executive Summary GozNym is the combination of features from two previously identified families of malware, Gozi and Nymaim. Gozi was a widely distributed banking trojan with a known Domain Generation Algo
The Rising Tides of Spam
This blog post was authored by Jaeson Schultz. For the past five years we have enjoyed a relatively calm period with respect to spam volumes. Back at the turn of the decade the world was experiencing record-high volumes of spam. However, with the evolution of new anti-spam techn
Microsoft Patch Tuesday - September 2016
This post was authored by Jaeson Schultz. Well it's Microsoft Patch Tuesday, again, and that must mean we are girding our systems against another round of security vulnerabilities. This month Microsoft has released fourteen (14) bulletins covering fifty (50) security vulnera
Vulnerability Spotlight: Kaspersky Unhandled Windows Messages Denial of Service Vulnerability
Vulnerability discovered by Marcin 'Icewall' Noga of Cisco Talos. Overview Talos is disclosing the presence of TALOS-2016-0175 / CVE-2016-4329, a local denial of service vulnerability within Kaspersky anti-virus. A system user is able to cause a denial of service atta
Talos ShadowGate Take Down: Global Malvertising Campaign Thwarted
This blog authored by Nick Biasini. Exploit kits are a class of threat that indiscriminately aims to compromise all users. Talos has continued to monitor this threat over time resulting in large scale research and even resulting in a large scale takedown. The focus of this inves
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
Vulnerability Spotlight: Kaspersky Unhandled Windows Messages Denial of Service Vulnerability
Vulnerability discovered by Marcin ‘Icewall’ Noga of Cisco Talos. Overview Talos is disclosing the presence of TALOS-2016-0175 / CVE-2016-4329, a local denial of service vulnerability within Kaspersky anti-virus. A system user is able to cause a denial of service attack agains
Vulnerability Spotlight: Multiple Remote Code Execution Vulnerabilities Within Lexmark Perceptive Document Filters.
Vulnerabilities discovered by Tyler Bohan & Marcin Noga of Cisco Talos Talos are today releasing three new vulnerabilities discovered within the Lexmark Perceptive Document Filters library. TALOS-2016-0172, TALOS-2016-0173 and TALOS-2016-0183 allow for a remote code executio