Talos Takes Ep. #68: The various pivots and pitfalls in a malware investigation

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. On this week's episode, Vitor Ventura from our research team walks through his recent work on connecting several... This i...

Operation Layover: How we tracked an attack on the aviation industry to five years of compromise

By Tiago Pereira and Vitor Ventura. Cisco Talos linked the recent aviation targeting campaigns to an actor who has been targeting the aviation industry for two years.The same actor has been running successful malware campaigns for more than five years.Although always using commodity malware, the...

Pair of Google Chrome Zero-Day Bugs Actively Exploited

Google has addressed two zero-day security bugs that are being actively exploited in the wild. As part of the internet giant’s latest stable channel release version 93.0.4577.82 for Windows, Mac and Linux, it fixed 11 total vulnerabilities, all of them rated high-severity. The two zero days are...

Downtime on Talos Intelligence

TalosIntelligence.com will be down for a short time on Sept. 17 around 10 a.m. ET while we perform some routine maintenance on the site. We apologize for any inconvenience this may cause. We expect the interruption will only last for about 30 minutes. This is only the beginning! Please visit the...

Vulnerability Spotlight: Code execution vulnerability in Nitro Pro PDF

A Cisco Talos team member discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered a vulnerability in the Nitro Pro PDF reader that could allow an attacker to execute code in the context of the application. Nitro Pro PDF is part of Nitro Software’s... This is only th...

Threat Roundup for September 3 to September 10

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 3 and Sept. 10. 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...

Talos Takes Ep. #67: What a leaked playbook tells us about the Conti ransomware group

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. There's a lot to take apart in the recently leaked Conti ransomware playbook. After a disgruntled member of the... This is...

Talos release protection against zero-day vulnerability in Microsoft MSHTML

Cisco Talos released new SNORT® rules Thursday to protect against the exploitation of a zero-day vulnerability in Microsoft MSHTML that the company warns is being actively exploited in the wild. Users are encouraged to deploy SIDs 58120 – 58129, Snort 3 SID 300049 and ClamAV... This is only the...

Threat Roundup for August 27 to September 3

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 27 and Sept. 3. 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...

Talos Takes Ep. #66: Dude, where's my bandwidth?

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. “Proxyware” sounds like a complicated topic that you’re too afraid to ask about. But really, it’s just software that... Th...

Beers with Talos, Ep. #109: We have not secured our society — Or, working out a conference talk in realtime

Beers with Talos BWT Podcast episode No. 109 is now available. Download this episode and subscribe to Beers with Talos:Apple Podcasts Google PodcastsSpotify StitcherIf iTunes and Google Play aren't your thing, click here. Most of the Beers with Talos guys got a chance to take... This is only the...

Threat Source newsletter (Sept. 2, 2021)

Newsletter compiled by Jon Munshaw.Good afternoon, Talos readers. If you haven't seen already, our blog has a lot of cool and new stuff this week. We first dove into the world of proxyware on Tuesday aka internet-sharing applications. Attackers are hiding in this newly popular... This is only the...

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...

Threat Roundup for August 20 to August 27

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

Talos Takes Ep: #65: How several RAT campaigns in Latin America are connected

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. As more people around the world start to get vaccinated against COVID-19, travel is becoming easier, especially during...

Malicious Campaign Targets Latin America: The seller, The operator and a curious link

By Asheer Malhotra and Vitor Ventura, with contributions from Vanja Svajcer. Cisco Talos has observed a new malware campaign delivering commodity RATs, including njRAT and AsyncRAT.The campaign targets travel and hospitality organizations in Latin America.Techniques utilized in this campaign...

Threat Roundup for August 13 to August 20

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 13 and Aug. 20. 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...

Neurevt trojan takes aim at Mexican users

By Chetan Raghuprasad, with contributions from Vanja Svajcer. News summaryCisco Talos discovered a new version of the Neurevt trojan with spyware and backdoor capabilities in June 2021 using Cisco Secure Endpoint product telemetry.This version of Neurevt appears to target users of Mexican...

Vulnerability Spotlight: Memory corruption vulnerability in Daemon Tools Pro

Piotr Bania of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered a memory corruption vulnerability in Disc Soft Ltd.'s Daemon Tools Pro. Daemon Tools Pro is a professional emulation software that works with disc images and virtual... This is only the...

Vulnerability Spotlight: Multiple integer overflow vulnerabilities in GPAC Project on Advanced Content

A Cisco Talos team member discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered multiple integer overflow vulnerabilities in the GPAC Project on Advanced Content that could lead to memory corruption. The GPAC Project on Advanced Content is an open-source... This i...