OlympicDestroyer is here to trick the industry

A couple of days after the opening ceremony of the Winter Olympics in Pyeongchang, South Korea, we received information from several partners, on the condition of non-disclosure TLP:Red, about a devastating malware attack on the Olympic infrastructure. A quick peek inside the malware revealed a...

Vulnerability Spotlight: Simple DirectMedia Layer’s SDL2_Image

Overview Talos is disclosing several vulnerabilities identified in Simple DirectMedia Layer's SDL2Image library that could allow code execution. Simple DirectMedia Layer is a cross-platform development library designed to provide low-level access to audio, keyboard, mouse, joystick and graphics...

Remote Code Execution Bug Patched in Adobe Acrobat Reader DC

Researchers at Cisco Talos are detailing a remote code execution vulnerability found in Adobe Acrobat Reader DC that can be triggered when a malicious file is opened or a victim accesses a rigged webpage. According to Talos, the vulnerability CVE-2018-4901 was disclosed on Dec. 7 and Adobe issued...

Adobe Flash Player Use After Free Remote Code Execution Vulnerability(CVE-2018-4878)

EXECUTIVE SUMMARY The 1st of February, Adobe published an advisory concerning a Flash vulnerability CVE-2018-4878. This vulnerability is a use after free that allows Remote Code Execute through a malformed Flash object. Additionally KISA Korean CERT published an advisory about a Flash 0-day used ...

Beers with Talos EP23 - Eternal Fauxmance: Attribution Easter Eggs

Beers with Talos BWT Podcast Episode 23 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing: www.talosintelligence.com/podcast EP23 Show Notes: Recorded 2/16/18 - This week, Mitch learns about starting a show without Matt with no...

Talos Quarterly Threat Briefing - Winter 2018

Date: Tuesday, February 27, 2018 Time: 1:00pm ET/10:00am PT Topic: Miners, Malspam, and Meltdowns Recording available here: Space is limited for this event, so be sure to save your spot. Following the webinar, the video will also be made available here. In this edition of the Talos Quarterly Thre...

Threat Round Up for Feb 9 - Feb 16

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between February 9 and February 16. As with previous round-ups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavior...

Researchers Find New Twists In ‘Olympic Destroyer’ Malware

Researchers have uncovered new wrinkles in the “Olympic Destroyer” malware attack that targeted the Winter Olympics in Pyeongchang, South Korea. Cisco Talos researchers now believe the malware also wipes files on shared network drives. Originally researchers believed the malware only targeted...

Targeted Attacks In The Middle East

This blog post is authored by Paul Rascagneres with assistance of Martin Lee. Executive Summary Talos has identified a targeted attacks affecting the Middle East. This campaign contains the following elements, which are described in detail in this article. The use of allegedly confidential decoy...

New Monero Crypto Mining Botnet Leverages Android Debugging Tool

A new botnet that distributes malware for mining Monero cryptocurrency has emerged, infecting Android devices through a port linked with a debugging tool for the OS, according to researchers at Qihoo 360 Netlab. Dubbed ADB.Miner by 360 Netlab, the botnet is gaining entry to Android devices–mostly...

2017 in Snort Signatures.

This post was written by Martin Lee and Vanja Svajcer. 2017 was an eventful year for cyber security with high profile vulnerabilities that allowed self-replicating worm attacks such as WannaCry and BadRabbit to impact organizations throughout the world. In 2017, Talos researchers discovered many...

Tutorial: Mutiny Fuzzing Framework and Decept Proxy

Here's a basic demo video for our new opensource tools, Decept and Mutiny. Happy New Year ^^ Lilith Recently, Talos released new tools to assist in the monumental task of finding vulnerabilities in network applications. Mutiny and Decept work together to help researchers fuzz quickly and...

Beers with Talos EP 19: The "Best" of BWT

Beers with Talos BWT Podcast Episode 19 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing: www.talosintelligence.com/podcast EP19 Show Notes: Quotes intended, we think you know why. Mitch takes control to present the best of the...

VMSA-2017-0021:VMware ESXi, vCenter Server Appliance, Workstation and Fusion updates address multiple security vulnerabilities

VMSA-2017-0021 VMware ESXi, vCenter Server Appliance, Workstation and Fusion updates address multiple security vulnerabilities VMware Security Advisory VMware Security Advisory Advisory ID: VMSA-2017-0021 VMware Security Advisory Severity: Important VMware Security Advisory Synopsis: VMware ESXi,...

7zip CVE-2016-2334 HFS+ Code Execution Vulnerability

INTRODUCTION In 2016 Talos released an advisory for CVE-2016-2334, which was a remote code execution vulnerability affecting certain versions of 7zip, a popular compression utility. In this blog post we will walk through the process of weaponizing this vulnerability and creating a fully working...

Vulnerability Walkthrough: 7zip CVE-2016-2334 HFS+ Code Execution Vulnerability

This blog post was authored by Marcin Noga of Cisco Talos.IntroductionIn 2016 Talos released an advisory for CVE-2016-2334, which was a remote code execution vulnerability affecting certain versions of 7zip, a popular compression utility. In this blog post we will walk through the process of...

ROKRAT Reloaded

This post was authored by Warren Mercer, Paul Rascagneres and with contributions from Jungsoo An.Executive SummaryEarlier this year, Talos published 2 articles concerning South Korean threats. The first one was about the use of a malicious HWP document which dropped downloaders used to retrieve...

Talos Wins The 5th Volatility Plugin Contest With Pyrebox

Talos has won this year's 5th Volatility plugin contest with Pyrebox. Volatility is a well-known open-source framework designed to analyze operating system memory. The framework has existed since 2007. For the previous 5 years they have run a plugin contest to find the most innovative, interestin...

Multiple Vulnerabilities in LibXL Library Open Door to RCE Attacks

Researchers have identified seven vulnerabilities in the LibXL C library, used to read Excel files. Each of the vulnerabilities are rated 8.8 in severity on the Common Vulnerability Scoring System scale. Attackers could exploit each of the vulnerabilities and perform remote code execution attacks...

Threat Round Up for Nov 10 - Nov 17

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between November 10 and November 17. As with previous round-ups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavior...