Threat Roundup for March 5 to March 12

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between March 5 and March 12. 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 characteristic...

Threat Source newsletter (Jan. 14, 2021)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. Microsoft released its monthly security update this week, disclosing 83 vulnerabilities across its suite of products to kickoff 2021. Our blog post has the most important vulnerabilities you need to know about, along with our...

Vulnerability Spotlight: Multiple vulnerabilities in SoftMaker Office TextMaker

A Cisco Talos team member discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered multiple vulnerabilities in SoftMaker's TextMaker software. A user could trigger these vulnerabilities by opening an attacker-created, malicious document. An adversary could use these...

Vulnerability Spotlight: Multiple vulnerabilities in NZXT computer monitoring software

Carl Hurd of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. NZXT’s CAM computer monitoring software contains multiple vulnerabilities an attacker could use to carry out a range of malicious actions. CAM provides users information on their machines, such as fan speeds, temperature...

The wolf is back...

By Warren Mercer, Paul Rascagneres and Vitor Ventura. News summaryThai Android devices and users are being targeted by a modified version of DenDroid we are calling "WolfRAT," now targeting messaging apps like WhatsApp, Facebook Messenger and Line.We assess with high confidence that this modified...

Threat Update: COVID-19

Executive Summary The COVID-19 pandemic is changing everyday life for workers across the globe. Cisco Talos continues to see attackers take advantage of the coronavirus situation to lure unsuspecting users into various pitfalls such as phishing, fraud, and disinformation campaigns. Talos has not...

Threat Source newsletter (Dec. 12, 2019)

Newsletter compiled by Jon Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. We’re entering our Year in Review period. Now’s the time to look back on the top stories from 2019 and think about what we learned. In t...

Vulnerability Spotlight: Kakadu Software SDK ATK marker code execution vulnerability

Aleksandar Nikolic and Emmanuel Tacheau of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Kakadu Software’s SDK contains an exploitable heap overflow. Kakadu serves as a framework for developers to create a variety of commercial and non-commercial applications. An attacker could...

How the new Talos IR Cyber Range can prepare your employees for a cyber attack

By Gerard Johansen, Charles Iszard and Luke DuCharme. With the surge of ransomware attacks, information leaks and other cyber attacks in the headlines, most companies and organizations are aware that their employees need to be trained on how to stay safe online. But the real challenge lies in how...

CISO Advisory: Governance & Risk Management

Businesses are built on risk. No matter how prepared they are, there is no guarantee that any decision will result in the expected outcome. But through good management, the likelihood of success can be improved. In the first in a series of CISO Advisories this paper address Governance & Risk...

Vulnerability Spotlight: Netgate pfSense system_advanced_misc.php powerd_normal_mode Command Injection Vulnerability

Brandon Stultz of Cisco Talos discovered these vulnerabilities. Executive summary Today, Cisco Talos is disclosing a command injection vulnerability in Netgate pfSense systemadvancedmisc.php powerdnormalmode. pfSense is a free and open source firewall and router that also features unified threat...

GPlayed Trojan - .Net playing with Google Market

This blog post is authored by Vitor Ventura. Introduction In a world where everything is always connected, and mobile devices are involved in individuals' day-to-day lives more and more often, malicious actors are seeing increased opportunities to attack these devices. Cisco Talos has identified...

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...

Four zero-days included in group of 79 vulnerabilities Microsoft discloses, including one with 9.8 severity score

Microsoft disclosed four vulnerabilities that are actively being exploited in the wild as part of its regular Patch Tuesday security update this week in what's become a regular occurrence for the company's patches in 2024. Two of the zero-day vulnerabilities, CVE-2024-38226 and CVE-2024-38014,...

No, not every Social Security number in the U.S. was stolen

My current least favorite thing about the churn of social media that Ive seen over the past week is waves of stories, posts and videos saying that every U.S. citizens Social Security number has been stolen or potentially viewed by a threat actor. The claim comes from a class action lawsuit filed ...

MoonPeak malware from North Korean actors unveils new details on attacker infrastructure

Cisco Talos is exposing infrastructure we assess with high confidence is being used by a state-sponsored North Korean nexus of threat actors we track as "UAT-5394," including for staging, command and control C2 servers, and test machines the threat actors use to test their implants. Our analysis ...

The federal government’s cybersecurity policies are falling into place just in time to be stalled again

Welcome to this weeks edition of the Threat Source newsletter. Last week, the Biden administration released its formal roadmap for its national cybersecurity initiative meant to encourage greater investment in cybersecurity and strengthen the U.S.s critical infrastructure security and more. The...

Threat Roundup for June 16 to June 23

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between June 16 and June 23. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

Threat Round up for January 13 to January 20

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between Jan. 13 and Jan. 20. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

Vulnerability Spotlight: Data deserialization in VMware vCenter could lead to remote code execution

Marcin “Icewall” Noga of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered an exploitable data deserialization vulnerability in the VMware vCenter server platform. VMware is one of the most popular virtual machine solutions currently available, and it...

Vulnerability Spotlight: Use-after-free vulnerability in tinyobjloader

Lilith of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered that a specific function of tinyobjloader does not properly validate array indexes. An adversary could trick a user into opening a specially crafted file, causing an index... This is only the...

Talos Takes Ep. #58: How to approach the partnerships it will take to defend critical infrastructure

By Jon Munshaw. With major cyber attacks in recent years against major U.S. critical infrastructure suppliers like Norsk Hydro and Colonial Pipeline, we’re in a new world of CI cybersecurity. New threats require new approaches to defense. And in the U.S., this is likely going to include... This i...

Transparent Tribe APT expands its Windows malware arsenal

By Asheer Malhotra, Justin Thattil and Kendall McKay. Transparent Tribe, also known as APT36 and Mythic Leopard, continues to create fake domains mimicking legitimate military and defense organizations as a core component of their operations. Cisco Talos' previous research has mainly linked this...

Hafnium Update: Continued Microsoft Exchange Server Exploitation

Update 3/11: The following OSQuery detects active commands being run through webshells observed used by actors on compromised Exchange servers. While systems may have been patched to defend against Hafnium and others, threat actors may have leveraged these vulnerabilities to establish additional...

Threat Source newsletter (March 11, 2021) — Featuring new SolarWinds roundtable

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. We have a special edition of the Threat Source newsletter to bring you this week, because we’re premiering a new video for you right now! Below, you’ll find a full roundtable we put together discussing the SolarWinds supply chain...

Nation-state campaign targets Talos researchers

Google's Threat Analysis Group published a blog Monday evening warning of an ongoing campaign attempting to compromise security researchers. Google TAG's blog outlines the attacker's motivations and various TTPs used in these attacks. We can confirm that multiple Cisco Talos researchers received...

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...

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,...

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...

Delphi Used To Score Against Palestine

This blog was authored by Paul Rascagneres and Warren Mercer with contributions from Emmanuel Tacheau, Vanja Svajcer and Martin Lee.Executive SummaryTalos continuously monitors malicious emails campaigns. We identified one specific spear phishing campaign launched against targets within Palestine...

The private sector probably isn’t coming to save the NVD

I wrote last week about the problems arising from the massive backlog of vulnerabilities at the U.S. National Vulnerability Database. Thousands of CVEs are still without analysis data, and the once-reliable database of every single vulnerability thats disclosed and/or patched is now so far behind...

CoralRaider targets victims’ data and social media accounts

Cisco Talos discovered a new threat actor were calling "CoralRaider" that we believe is of Vietnamese origin and financially motivated. CoralRaider has been operating since at least 2023, targeting victims in several Asian and Southeast Asian countries. This group focuses on stealing victims...

The 3 most common post-compromise tactics on network infrastructure

Weve been discussing networking devices quite a lot recently and how Advanced Persistent Threat actors APTs are using highly sophisticated tactics to target aging infrastructure for espionage purposes. Some of these attacks are also likely prepositioning the APTs for future disruptive or...

First Microsoft Patch Tuesday zero-day of 2024 disclosed as part of group of 75 vulnerabilities

Microsoft followed up one of the lightest recent Patch Tuesdays in January with a large release of vulnerabilities on Tuesday, although still far from numbers seen in the past. In all, Februarys security update from Microsoft includes 75 vulnerabilities, three of which are considered critical...

Threat Roundup for March 24 to March 31

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between March 24 and March 31. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

Threat Round up for January 20 to January 27

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between Jan. 20 and Jan. 27. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

Vulnerability Spotlight: Use-after-free vulnerabilities in Foxit Reader could lead to arbitrary code execution

Aleksandar Nikolic of Cisco Talos discovered these vulnerabilities. Cisco Talos recently discovered several use-after-free vulnerabilities in Foxit Reader that could lead to arbitrary code execution. The Foxit Reader is one of the most popular PDF document readers, which aims to have feature pari...

Translated: Talos' insights from the recently leaked Conti ransomware playbook

By Caitlin Huey, David Liebenberg, Azim Khodjibaev, and Dmytro Korzhevin. Executive summary Cisco Talos recently became aware of a leaked playbook that has been attributed to the ransomware-as-a-service RaaS group Conti. Talos has a team of dedicated, native-level speakers that translated these...

Talos Takes Ep. #56: The first security steps you should take when you return to the office

By Jon Munshaw. The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. We started out the COVID-19 pandemic by thinking we'd be away from the office for a month — maybe two. More than 12... Thi...

Talos Takes Ep. #55: How Transparent Tribe could evolve in the future

By Jon Munshaw. The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. We recently covered how the Transparent Tribe APT added another RAT to its arsenal. Where might they go from here? In...

Threat Roundup for April 16 to April 23

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between April 16 and April 23. 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... This is on...

Threat Source newsletter (March 4, 2021)

Newsletter compiled by Jon Munshaw. Of course, we will start things off talking about the Microsoft Exchange Server zero-day vulnerabilities disclosed earlier this week. Microsoft said in a statement that a threat actor is exploiting these vulnerabilities in the wild to steal users’ emails,...

Vulnerability Spotlight: Denial-of-service vulnerability in Rockwell Automation RSLinx

Alexander Perez-Palma of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw.Cisco Talos recently discovered a denial-of-service vulnerability in the Ethernet/IP server functionality of Rockwell Automation RSLinx Classic. An attacker could exploit this vulnerability by sending the targ...

Beers with Talos Ep. #80: Working securely in a new (not yet) normal

Beers with Talos BWT Podcast episode No. 80 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing, click here. Recorded April 24, 2020 Matt isn’t with us today, but the rest of the crew discusses some current security issues in our...

Vulnerability Spotlight: WAGO products contain remote code execution, other vulnerabilities

Patrick DeSantis, Carl Hurd, Kelly Leuschner and Lilith --; of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered several vulnerabilities in multiple products from the company WAGO. WAGO produces a line of automation software called “e!COCKPIT,” an...

Vulnerability Spotlight: Multiple remote code execution vulnerabilities in Foxit PDF Reader

Aleksandar Nikolic of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered four remote code execution vulnerabilities in Foxit PDF Reader. Foxit PDF Reader is a popular program for reading and editing PDFs. The software supports JavaScript to allow fo...

Beers with Talos Ep. #68: Takes from Talos on IoT (and the NEW “Talos Takes” podcast!)

By Mitch Neff. Beers with Talos BWT Podcast episode No. 68 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing, click here. Recorded Dec. 9, 2019 We have a big announcement to make today! Check your feed for a few episodes of a ne...

Vulnerability Spotlight: SQL injection vulnerabilities in Forma Learning Management System

Yuri Kramarz of Security Advisory EMEAR discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered three SQL injection vulnerabilities in the authenticated portion of the Formal Learning Management System. LMS is a set of software that allows companies to build and hos...

Beers with Talos Ep. #60: Summer camp flashbacks and defining your intel

Beers with Talos BWT Podcast episode No. 60 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing, click here. Recorded Aug. 16, 2019 — The understatement of the day would be the guys were in some kind of mood when we recorded this...

Threat Roundup for Nov. 9 to Nov. 16

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Nov. 09 and Nov. 16. 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...