Threat Roundup for June 29 to July 6th

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 June 29 and July 6. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, it will summarize the threats we've observed by...

Smoking Guns - Smoke Loader learned new tricks

This post is authored by Ben Baker and Holger Unterbrink Overview Cisco Talos has been tracking a new version of Smoke Loader — a malicious application that can be used to load other malware — for the past several months following an alert from Cisco Advanced Malware Protection’s AMP Exploit...

Threat Roundup for June 22-29

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between June 22 and June 29. 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 characteristic...

Vulnerability Spotlight: VMWare Workstation DoS Vulnerability

Today, Talos is disclosing a vulnerability in VMWare Workstation that could result in Denial of Service. VMWare Workstation is a widely used virtualization platform designed to run alongside a normal operating system, allowing users to use both virtualized and physical systems concurrently...

Beers with Talos EP 32 - Live from Orlando Part 2: Take All the Things Off the Internet

Beers with Talos BWT Podcast Episode 32 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. 32 show notes: Recorded June 13, 2018 — Still live in Orlando, just this time from the lovely lobb...

Files Cannot Be Decrypted? Challenge Accepted. Talos Releases ThanatosDecryptor

This blog post was authored by Edmund Brumaghin, Earl Carter and Andrew Williams. Executive summary Cisco Talos has analyzed Thanatos, a ransomware variant that is being distributed via multiple malware campaigns that have been conducted over the past few months. As a result of our research, we...

Threat Roundup for June 16-22

As usual, we are bringing you the weekly Threat Roundup to highlight the most prevalent threats we've seen between June 15 and 22. 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 behavior...

Beers with Talos EP31 - Live from Cisco Live! - VPNFilter and Our First Summit Recap

Beers with Talos BWT Podcast Episode 31 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 EP31 Show Notes: Recorded June 12, 2018 — This is a special episode for two reasons! To start, we...

My Little FormBook

This blog post is authored by Warren Mercer and Paul Rascagneres. Summary Cisco Talos has been tracking a new campaign involving the FormBook malware since May 2018 that utilizes four different malicious documents in a single phishing email. FormBook is an inexpensive stealer available as "malwar...

Vulnerability Spotlight: Multiple Remote Vulnerabilities In Insteon Hub PubNub

Vulnerabilities discovered by Claudio Bozzato of Cisco Talos Talos is disclosing twelve new vulnerabilities in Insteon Hub, ranging from remote code execution, to denial of service. The majority of the vulnerabilities have their root cause in the unsafe usage of the strcpy function, leading eithe...

Threat Roundup for June 1-15

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between June 01 and June 15. 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 characteristic...

Vulnerability Spotlight: TALOS-2018-0523-24 - Multiple Vulnerabilities in Pixars Renderman application

Vulnerabilities discovered by Tyler Bohan from Talos Overview Talos is disclosing two denial-of-service vulnerabilities in Pixar’s Renderman application. Renderman is a rendering application used in animation and film production. It is widely used for advanced rendering and shading in many...

Vulnerability Spotlight: TALOS-2018-0545 - Microsoft wimgapi LoadIntegrityInfo Code Execution Vulnerability

Vulnerabilities discovered by Marcin Noga from Talos Overview Talos is disclosing a remote code execution vulnerability in the Microsoft wimgapi library. The wimgapi DLL is used in the Microsoft Windows operating system to perform operations on Windows Imaging Format WIM files. WIM is a file-base...

Microsoft Patch Tuesday - June 2018

Executive Summary Microsoft has released its monthly set of security advisories for vulnerabilities that have been identified and addressed in various products. This month's advisory release addresses 50 flaws, with 11 of them rated "critical," and 39 rated "important." These vulnerabilities impa...

VPNFilter Update - VPNFilter exploits endpoints, targets new devices

Introduction Cisco Talos, while working with our various intelligence partners, has discovered additional details regarding "VPNFilter." In the days since we first published our findings on the campaign, we have seen that VPNFilter is targeting more makes/models of devices than initially thought,...

Talos Threat Research Summit Guide and Cisco Live Preview

The first Cisco Talos Threat Research Summit is coming up at Cisco Live! in Orlando, so we are providing a quick guide to all the activities going on at the summit and beyond. The response to the summit was stronger than we could have anticipated for the first year - it sold out fast! Next time, ...

Vulnerability Spotlight: TALOS-2018-0535 - Ocularis Recorder VMS_VA Denial of Service Vulnerability

Vulnerabilities discovered by Carlos Pacho from Talos Overview Talos is disclosing a denial-of-service vulnerability in the Ocularis Recorder. Ocularis is a video management software VMS platform used in a variety of settings, from convenience stores, to city-wide deployments. An attacker can...

NavRAT Uses US-North Korea Summit As Decoy For Attacks In South Korea

This blog post is authored by Warren Mercer and Paul Rascagneres with contributions from Jungsoo An. Executive Summary Talos has discovered a new malicious Hangul Word Processor HWP document targeting Korean users. If a malicious document is opened, a remote access trojan that we're calling...

Vulnerability Spotlight: Natus NeuroWorks Multiple Vulnerabilites

Vulnerabilities discovered by Cory Duplantis from Talos Overview In April 2018, Talos published 5 vulnerabilities in Natus NeuroWorks software. We have also identified 3 additional vulnerabilities. This software is used in the Natus Xltek EEG medical products from Natus Medical Inc. The vulnerabl...

Beers with Talos EP 30 - VPNFilter, the Unfiltered Story

Beers with Talos BWT Podcast Episode 30 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 EP30 Show Notes: Recorded May 25, 2018 - As you can expect, this episode focuses on VPNFilter. We discu...

Threat Roundup for May 18-25

Welcome to Cisco Talos' weekly Threat Roundup, where we go over some of the most prevalent malware and vulnerabilities we've seen over the past week. 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...

New VPNFilter malware targets at least 500K networking devices worldwide

Intro For several months, Talos has been working with public- and private-sector threat intelligence partners and law enforcement in researching an advanced, likely state-sponsored or state-affiliated actor's widespread use of a sophisticated modular malware system we call "VPNFilter." We have no...

Beers with Talos EP29 - This is a PSA: Stop Clicking. There is No Prince.

Beers with Talos BWT Podcast Episode 29 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 EP29 Show Notes: Recorded May 11, 2018 - First and foremost, we recorded this episode one day before ou...

TeleGrab - Grizzly Attacks on Secure Messaging

This post was written by Vitor Ventura with contributions from Azim Khodjibaev Introduction Over the past month and a half, Talos has seen the emergence of a malware that collects cache and key files from end-to-end encrypted instant messaging service Telegram. This malware was first seen on Apri...

Vulnerability Spotlight: Multiple Adobe Acrobat Reader DC Vulnerabilities

Discovered by Aleksandar Nikolic of Cisco Talos Update 05/15/18: The CVE for TALOS-2018-0517 has been corrected below. Overview Today, Talos is releasing details of a new vulnerabilities within Adobe Acrobat Reader DC. Adobe Acrobat Reader is the most popular and most feature-rich PDF reader. It...

Threat Roundup for May 04 - 11

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between May 4 and May 11. 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 characteristics,...

Gandcrab Ransomware Walks its Way onto Compromised Sites

This blog post authored by Nick Biasini with contributions from Nick Lister and Christopher Marczewski. Despite the recent decline in the prevalence of ransomware in the threat landscape, Cisco Talos has been monitoring the now widely distributed ransomware called Gandcrab. Gandcrab uses both...

Wipers - Destruction as a means to an end

This whitepaper post is authored by Vitor Ventura and with contributions from Martin Lee In a digital era when everything and everyone is connected, malicious actors have the perfect space to perform their activities. During the past few years, organizations have suffered several kinds of attacks...

Microsoft Patch Tuesday - May 2018

Today, Microsoft has released its monthly set of security advisories for vulnerabilities that have been identified and addressed in various products. This month's advisory release addresses 67 new vulnerabilities, with 21 of them rated critical, 42 of them rated important, and four rated as low...

Beers with Talos EP 28 - APT, BGP, RCEs, and an Old RAT

Beers with Talos BWT Podcast Episode 28 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 EP28 Show Notes: Recorded April 27 - We have a special guest intro this week, since Mitch came down wit...

Vulnerability Spotlight: MySQL Multi-Master Manager Remote Command Injection Vulnerability

Discovered by Matthew Van Gundy of Asig Overview Today, Talos is releasing details of a new vulnerability within MySQL Multi-Master Manager. This is used to perform monitoring, failover and management of MySQL master-master replication configurations. By using MySQL MMM Multi-Master Replication...

Threat Round Up for April 27 to May 04

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between April 27 and May 4. As with previous roundups, this post isn't meant to be an in-depth analysis. We'll summarize the threats we've observed by highlighting key behavioral characteristics, indicators of...

Threat Roundup for April 20-27

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between April 20 and 27. 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 behavioral characteristics,...

GravityRAT - The Two-Year Evolution Of An APT Targeting India

This blog post is authored by Warren Mercer and Paul Rascagneres. Update: 4/30 Since the publication of the blog post, one of the anti-VM capability was commented a lot on Twitter: the detection of Virtual Machines by checking the temperature of the system. We decided to add more details and...

Vulnerability Spotlight: Hyland Perceptive Document Filters Multiple Vulnerabilites

Vulnerabilities discovered by Marcin 'Icewall' Noga from Talos Overview Talos has discovered multiple vulnerabilities in Hyland Perceptive Document Filters software. This software is a toolkit that allows developers to read and extract metadata from a file. It supports a large set of common file...

Cryptomining Campaign Returns Coal and Not Diamond

Executive summary Soon after a launch of a new cryptocurrency, Bitvote, in January, Talos discovered a new mining campaign affecting systems in India, Indonesia, Vietnam and several other countries that were tied to Bitvote. Apart from the fact that the attackers have chosen to target the new...

Beers with Talos EP27: Smart Install, Vuln Process Realities, and Professional Wrestling

Beers with Talos BWT Podcast Episode 27 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 EP27 Show Notes: Recorded 4/13/18 - We just upgraded all our gear, so naturally we had a straight tech...

Vulnerability Spotlight: Multiple Issues in Foxit PDF Reader

Overview Talos is disclosing five 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 used browser plugin available. Update to the current...

Updates for BASS

This blog post was authored by Jonas Zaddach and Mariano Graziano. Cisco Talos has rolled out a series of improvements to the BASS open-source framework aimed at speeding up its ability to provide coverage for new malware families. Talos released BASS, pronounced "bæs" an open-source framework...

Vulnerability Spotlight: Foscam IP Video Camera Firmware Recovery Unsigned Image Vulnerability

This vulnerability was discovered by Claudio Bozzato of Cisco Talos. Executive Summary The Foscam C1 Indoor HD Camera is a network-based camera that is marketed for a variety of uses, including as a home security monitoring device. Talos recently identified 32 vulnerabilities present in these...

Threat Roundup for April 6 - 13

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between April 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 by highlighting key behavioral characteristics,...

Vulnerability Spotlight: Multiple Vulnerabilities in Moxa EDR-810 Industrial Secure Router

These vulnerabilities were discovered by Carlos Pacho of Cisco Talos Today, Talos is disclosing several vulnerabilities that have been identified in Moxa EDR-810 industrial secure router. Moxa EDR-810 is an industrial secure router with firewall/NAT/VPN and managed Layer 2 switch functions. It is...

Malware monitor - leveraging PyREBox for malware analysis

This post was authored by Xabier Ugarte Pedrero In July 2017 we released PyREBox, a Python Scriptable Reverse Engineering Sandbox as an open source tool. This project is part of our continuous effort to create new tools to improve our workflows. PyREBox is a versatile instrumentation framework...

Vulnerability Spotlight: TALOS-2018-0529-531 - Multiple Vulnerabilities in NASA CFITSIO library

Vulnerabilities discovered by Tyler Bohan from Talos Overview Talos is disclosing three remote code execution vulnerabilities in the NASA CFITSIO library. CFITSIO is a library of C and Fortran subroutines for reading and writing data files in the Flexible Image Transport System FITS data format...

Vulnerability Spotlight: Multiple Simple DirectMedia Layer Vulnerabilities

Discovered by Lilith Wyatt of Cisco Talos 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...

Vulnerability Spotlight: Multiple Computerinsel PhotoLine PSD Code Execution Vulnerabilities

Discovered by Tyler Bohan of Cisco Talos Overview Today, Cisco Talos is disclosing a vulnerability within Computerinsel PhotoLine's PSD-parsing functionality. Photoline is an image processing tool used to modify and edit images, as well as other graphic-related material. This product has a large...

Microsoft Patch Tuesday - April 2018

Microsoft Patch Tuesday - April 2018 Today, Microsoft has released its monthly set of security advisories for vulnerabilities that have been identified and addressed in various products. This month's advisory release addresses 65 new vulnerabilities and one advisory, with 25 of them rated critica...

IcedID Banking Trojan Teams up with Ursnif/Dreambot for Distribution

Update: 4/11 we have corrected the detection to Ursnif/Dreambot This post was authored by Ross Gibb with research contributions from Daphne Galme, and Michael Gorelik of Morphisec, a Cisco Security Technical Alliance partner. Cisco has noticed an increase in infections by the banking trojan IcedI...

Beers with Talos EP26: Talos is Holding a Conference, and the Evolving Battle at the Edge

Beers with Talos BWT Podcast Episode 26 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 EP26 Show Notes: Recorded 3/29/18 - Joel is sitting out this week, and Bill Largent from the Outreach...

Critical Infrastructure at Risk: Advanced Actors Target Smart Install Client

Update: 4/9 Cisco PSIRT has released additional guidance available here. Cisco has recently become aware of specific advanced actors targeting Cisco switches by leveraging a protocol misuse issue in the Cisco Smart Install Client. Several incidents in multiple countries, including some specifical...