BruCON Primer: 10 Years and Cisco Talos Talks

Cisco Talos will have a significant presence at the 10th edition of BruCON, which kicks off this week. Below, you will find the presentations that Talos researchers will give, along with a brief overview of the topics they will discuss. We are fortunate to have multiple speakers presenting this...

Vulnerability Spotlight: Adobe Acrobat Reader DC Collab reviewServer Remote Code Execution Vulnerability

Discovered by Aleksandar Nikolic of Cisco Talos Overview Today, Cisco Talos is releasing details of a new vulnerability within Adobe Acrobat Reader DC. Adobe Acrobat Reader is the most popular and most feature-rich PDF reader. It has a large user base, is usually a default PDF reader on systems a...

Vulnerability Spotlight: Multiple Issues in Foxit PDF Reader

Vulnerabilities discovered by Aleksandar Nikolic of Cisco Talos Overview Cisco Talos is disclosing eightteen vulnerabilities in Foxit PDF Reader, a popular free program for viewing, creating and editing PDF documents. It is commonly used as an alternative to Adobe Acrobat Reader and has a widely...

Vulnerability Spotlight: Multiple vulnerabilities in Atlantis Word Processor

Vulnerabilities discovered by Cory Duplantis of Cisco Talos. Overview Cisco Talos is disclosing several vulnerabilities discovered in Atlantis Word Processor. Atlantis Word Processor is a portable word processor that is also capable of converting any TXT, RTF, ODT, DOC, WRI, or DOCX document into...

Beers with Talos Ep. #38 — More fun with VPNFilter; Getting pwnd via spreadsheet

Beers with Talos BWT Podcast Ep. 38 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing, click here. Ep. 38 show notes: Recorded Sept. 21, 2018 — The whole crew is back together! On the agenda today is VPNFilter part III, now...

Threat Roundup Sept 21 - 28

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we’ve observed this week — covering the dates between Sept. 21 and 28. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, we will summarize the threats we’ve observed by...

VPNFilter III: More Tools for the Swiss Army Knife of Malware

Summary VPNFilter — a multi-stage, modular framework that has infected hundreds of thousands of network devices across the globe — is now known to possess even greater capabilities. Cisco Talos recently discovered seven additional third-stage VPNFilter modules that add significant functionality t...

Vulnerability Spotlight: Epee Levin Packet Deserialization Code Execution Vulnerability

This vulnerability was discovered by Lilith of Cisco Talos. Overview The Epee library, which is leveraged by a large number of cryptocurrencies, contains an exploitable code execution vulnerability in the Levin deserialization functionality. An attacker can send a specially crafted network packet...

IDA-minsc Wins Second Place in Hex-Rays Plugins Contest

Introduction Ali Rizvi-Santiago of Cisco Talos recently tied for second place in the IDA plugin contest with a plugin named "IDA-minsc." IDA is a multi-processor disassembler and debugger created by the company Hex-Rays and this year there were a total of four winners with nine submissions total...

Adwind Dodges AV via DDE

This blog post is authored by Paul Rascagneres, Vitor Ventura and with the contribution of Tomislav Pericin and Robert Perica from ReversingLabs. Introduction Cisco Talos, along with fellow cybersecurity firm ReversingLabs, recently discovered a new spam campaign that is spreading the Adwind 3.0...

Threat Roundup for September 14 to September 21

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we’ve observed this week — covering the dates between Sept. 14 and 21. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, we will summarize the threats we’ve observed by...

Cyber Threat Alliance Releases Cryptomining Whitepaper

This post is authored by Ashlee Benge. Despite the recent devaluation of some cryptocurrencies, illicit cryptocurrency miners remain a lucrative and widespread attack vector in the threat landscape. These miners are easy to deploy, and attackers see it as a quick way to steal other users'...

Beers with Talos EP 37: Snort 3 Beta Uses Multithreading. It’s Super Effective!

Beers with Talos BWT Podcast Ep. 37 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. Ep. 37 show notes: Recorded Sept. 7, 2018 — We have Joel back this week and he is very happy to have himse...

Threat Roundup for September 7 to September 14

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we’ve observed this week — covering the dates between Sept. 7 and 14. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, we will summarize the threats we’ve observed by...

SigAnalyzer: Signature analysis with CASC

Executive summary ClamAV Signature Creator CASC is an IDA Pro plugin that assists in the creation of ClamAV pattern signatures. We have enhanced this plugin to also analyze these signatures. The plugin highlights matching parts in a binary when its given a particular signature. This function is...

Microsoft Patch Tuesday - September 2018

Microsoft released its monthly set of security updates today for a variety of its products that address a variety of bugs. The latest Patch Tuesday covers 61 vulnerabilities, 17 of which are rated "critical," 43 that are rated "important" and one that is considered to have "moderate" severity. Th...

Threat Roundup for August 31 to September 7

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we’ve observed this week — covering the dates between Aug. 31 and Sept. 7. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, we will summarize the threats we’ve observed b...

Vulnerability Spotlight: CVE-2018-3952 / CVE-2018-4010 - Multi-provider VPN Client Privilege Escalation Vulnerabilities

Discovered by Paul Rascagneres. Overview Cisco Talos has discovered two similar vulnerabilities in the ProtonVPN and NordVPN VPN clients. The vulnerabilities allow attackers to execute code as an administrator on Microsoft Windows operating systems from a standard user. The vulnerabilities were...

Vulnerability Spotlight: TALOS-2018-0560 - ERPNext SQL Injection Vulnerabilities

Vulnerabilities discovered by Yuri Kramar from the Cisco Security Advisor Team Overview Talos is disclosing multiple SQL injection vulnerabilities in the Frappe ERPNext Version 10.1.6 application. Frappe ERPNext is an open-source enterprise resource planning ERP cloud application. These...

Malicious MDM: Let's Hide This App

This blog post is authored by Warren Mercer and Paul Rascagneres with contributions from Nick Biasini Summary Since our initial discovery of a malicious mobile device management MDM platform that was loading fake applications onto smartphones, we have gained greater insight into the attacker's...

Threat Roundup for August 24-31

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we’ve observed this week — covering the dates between Aug. 24 and 31. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, we will summarize the threats we’ve observed by...

Beers with Talos EP 36: There Are Few Shades in the Grey Market

Beers with Talos BWT Podcast Ep. 36 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. Ep. 36 show notes: Recorded Aug. 24, 2018 — We’re finally back in the studio after Hacker Summer Camp!...

Rocke: The Champion of Monero Miners

This post was authored by David Liebenberg. Summary Cryptocurrency miners are becoming an increasingly significant part of the threat landscape. These malicious miners steal CPU cycles from compromised devices to mine cryptocurrencies and bring in income for the threat actor. In this post, we loo...

Threat Roundup for August 17-24

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we’ve observed this week — covering the dates between Aug. 17 and 24. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, we will summarize the threats we’ve observed by...

Picking Apart Remcos Botnet-In-A-Box

This blog post was authored by Edmund Brumaghin and Holger Unterbrink with contributions from Eric Kuhla and Lilia Gonzalez Medina. Overview Cisco Talos has recently observed multiple campaigns using the Remcos remote access tool RAT that is offered for sale by a company called Breaking Security...

Threat Roundup for August 10-17

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between August 10 and August 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 behavioral...

Beers with Talos EP 35: Live from the RiRa at Black Hat

Beers with Talos BWT Podcast Ep. 35 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. Ep. 35 show notes: Recorded Aug. 8, 2018 — We decided to broadcast while we were all together at Black Hat...

Microsoft Tuesday August 2018

Microsoft released its monthly set of security advisories today for vulnerabilities that have been identified and addressed in various products. This month's advisory release addresses 62 new vulnerabilities, 20 of which are rated “critical,” 38 that are rated “important,” one that is rated...

Threat Roundup for August 3-10

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we’ve observed this week — covering the dates between Aug. 3 - 10. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, we will summarize the threats we’ve observed by...

Playback: A TLS 1.3 Story

Introduction Secure communications are one of the most important topics in information security, and the Transport Layer Security TLS protocol is currently the most used protocol to provide secure communications on the internet. For example, when you are connecting to your online banking...

The Official Talos Guide to Security Summer Camp 2018

It is once again time for the week in the summer when many of us descend on Las Vegas for Black Hat, DEF CON, and B-Sides LasVegas. This is your official guide to what the Cisco Talos Threat Intelligence team is doing at these shows and what some of our colleagues around Cisco Security are doing,...

Exploitable or Not Exploitable? Using REVEN to Examine a NULL Pointer Dereference.

Authored by Aleksandar Nikolic. Executive summary It can be very time-consuming to determine if a bug is exploitable or not. In this post, we’ll show how to decide if a vulnerability is exploitable by tracing back along the path of execution that led to a crash. In this case, we are using the...

Multiple Cobalt Personality Disorder

Introduction Despite the notion that modern cybersecurity protocols have stopped email-based attacks, email continues to be one of the primary attack vectors for malicious actors — both for widespread and targeted operations. Recently, Cisco Talos has observed numerous email-based attacks that ar...

Threat Roundup for July 20-27

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we’ve observed this week — covering the dates between July 20 and 27. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, we will summarize the threats we’ve observed by...

Beers with Talos EP 34: Click Here to Assign New Mobile Device Owner

Beers with Talos BWT Podcast Ep. 34 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. Ep. 34 show notes: Recorded July 20, 2018 — This week, we touch on several topics, but we spend the lion’s...

Vulnerability Spotlight: Multiple Vulnerabilities in Samsung SmartThings Hub

These vulnerabilities were discovered by Claudio Bozzato of Cisco Talos. Executive Summary Cisco Talos recently discovered several vulnerabilities present within the firmware of the Samsung SmartThings Hub. In accordance with our coordinated disclosure policy, Cisco Talos has worked with Samsung ...

Advanced Mobile Malware Campaign in India uses Malicious MDM - Part 2

This blog post is authored by Warren Mercer and Paul Rascagneres and Andrew Williams. Summary Since our initial post on malicious mobile device management MDM platforms, we have gathered more information about this actor that we believe shows it is part of a broader campaign targeting multiple...

TalosIntelligence.com is rolling out a new dispute system

At Cisco Talos, we need customers to be able to provide feedback at all times, whether it be about false positives, false negatives, or missed categories. Because we deal with an abundance of data across our platforms — such as IPS alerts, AMP alerts and more — feedback helps us test the efficacy...

Threat Roundup for July 13-20

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we've observed this week — covering the dates between July 13 and 20. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, we will summarize the threats we've observed by...

Vulnerability Spotlight: Multiple Vulnerabilities in Sony IPELA E Series Camera

Vulnerabilities discovered by Cory Duplantis and Claudio Bozzato of Cisco Talos. Overview Today, Cisco Talos is disclosing several vulnerabilities discovered with the Sony IPELA E Series Network Camera. Sony IPELA Cameras are network-facing cameras used for monitoring and surveillance...

Blocking Cryptocurrency Mining Using Cisco Security Products

Cisco Talos is releasing a whitepaper addressing Cryptocurrency mining and all the ways to block it using Cisco Security products. The value of cryptocurrencies has fluctuated wildly, but the value is still high enough to garner a lot of attention, both legitimate and malicious. Most of the...

Vulnerability Spotlight: Foxit PDF Reader JavaScript Remote Code Execution Vulns

Overview Discovered by Aleksandar Nikolic of Cisco Talos. Talos is disclosing a pair of vulnerabilities in Foxit PDF Reader. Foxit PDF Reader is a popular free program for viewing, creating, and editing PDF documents. It is commonly used as an alternative to Adobe Acrobat Reader and has a widely...

Vulnerability Spotlight: Multiple Vulnerabilities in ACD Systems Canvas Draw 4

These vulnerabilities were discovered by Tyler Bohan of Cisco Talos Today, Talos is disclosing several vulnerabilities that have been identified in Canvas Draw graphics editing tool for Macs. Canvas Draw 4 is a graphics editing tool used to create and edit images, as well as other graphic-related...

Beers with Talos EP33 - Change the Conversation or the People Having It?

Beers with Talos BWT Podcast Episode 33 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. Ep. 33 show notes: Recorded July 6, 2018 - This episode is a bit less technical than most, as we discu...

Threat Roundup for July 6-13

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we've observed this week — covering the dates between July 6 and 13. 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 ...

Advanced Mobile Malware Campaign in India uses Malicious MDM

This blog post is authored by Warren Mercer and Paul Rascagneres and Andrew Williams. Summary Cisco Talos has identified a highly targeted campaign against 13 iPhones which appears to be focused on India. The attacker deployed an open-source mobile device management MDM system to control enrolled...

Vulnerability Spotlight: Computerinsel Photoline Multiple Vulnerabilities

Vulnerabilities discovered by Tyler Bohan from Talos Overview Today, Cisco Talos is disclosing several vulnerabilities in Computerinsel Photoline. Photoline is an image-processing tool used to modify and edit images, as well as other graphic-related material. This product has a sizable user base...

Vulnerability Spotlight: Multiple Antenna House Vulnerabilities

Discovered by Marcin Noga of Cisco Talos Overview Cisco Talos has identified six vulnerabilities in the Antenna House Office Server Document Converter OSDC. These vulnerabilities can be used to remotely execute code on a vulnerable system. Antenna House Office Server Document Converter is a produ...

Microsoft Patch Tuesday - July 2018

Microsoft released its monthly set of security advisories today for vulnerabilities that have been identified and addressed in various products. This month's release addresses 53 new vulnerabilities, 17 of which are rated critical, 34 are rated important, one is rated moderate, and one is rated a...

Vulnerability Spotlight: Multiple Adobe Acrobat DC Remote Code Execution Vulnerabilties

Discovered by Aleksandar Nikolic of Cisco Talos Overview Today, Talos is releasing details of new vulnerabilities within Adobe Acrobat Reader DC. Adobe Acrobat Reader is the most popular and most feature-rich PDF reader. It has a big user base, is usually a default PDF reader on systems and...