Custom dropper hide and seek

Hunting for LoLBins

By Vanja Svajcer. Introduction Attackers' trends tend to come and go. But one popular technique we're seeing at this time is the use of living-off-the-land binaries — or "LoLBins". LoLBins are used by different actors combined with fileless malware and legiti

Vulnerability Spotlight: Command injection bug in Exhibitor UI

Logan Sanderson of Cisco ASIG discovered this vulnerability. Exhibitor Web UI contains an exploitable command injection vulnerability in its Config editor. Exhibitor is a ZooKeeper supervisory process. Exhibitor's Web UI does not have any form of authentication, and prior to

Vulnerability Spotlight: Denial-of-service vulnerability in Intel IGC64 graphics driver

Piotr Bania of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Intel’s IGC64.dll graphics driver contains a denial-of-service vulnerability. An attacker could exploit this bug by supplying a malformed pixel shader if the graphics driver is operating inside a VMwa

Microsoft Patch Tuesday — Nov. 2019: Vulnerability disclosures and Snort coverage

By Jon Munshaw. Microsoft released its monthly security update today, disclosing a variety of vulnerabilities in several of its products. The latest Patch Tuesday discloses 75 vulnerabilities, 13 of which are considered "critical," with the rest being deemed "impo

Vulnerability Spotlight: Remote code execution vulnerability in Microsoft Media Foundation

Marcin Noga of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Microsoft Media Foundation’s framework contains a remote code execution vulnerability that exists due to a use-after-free condition. This specific bug lies in Media Foundation's MPEG4 DLL. An atta

Vulnerability Spotlight: Remote code execution vulnerability in Microsoft Excel

Marcin “Icewall” Noga of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered a remote code execution vulnerability in Microsoft Excel. Microsoft disclosed this bug as part of their monthly security update Tuesday. This vulnerability ex

New partnership brings together Talos’ visibility with IR’s unmatched response capabilities

By Jon Munshaw.  The threat landscape has evolved into a complex, challenging environment for organizations everywhere. A talent shortage, combined with an increase in incidents, has led to a generally weak security posture among most organizations. Defenders’ backs are up agains

Threat Roundup for November 1 to November 8

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Nov. 1 and Nov. 8. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key