Russian Turla APT Group Deploying New Backdoor on Targeted Systems

State-sponsored hackers affiliated with Russia are behind a new series of intrusions using a previously undocumented implant to compromise systems in the U.S., Germany, and Afghanistan. Cisco Talos attributed the attacks to the Turla advanced persistent threat APT group, coining the malware...

Threat Roundup for September 17 to September 24

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 17 and Sept. 24. 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...

Talos Takes Ep. #69: Our armadillo in shining armor

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 also preach the importance of multi-factor authentication. But what happens when the bad guys start going after... This...

Operation “Armor Piercer:” Targeted attacks in the Indian subcontinent using commercial RATs

By Asheer Malhotra, Vanja Svajcer and Justin Thattil. Cisco Talos is tracking a campaign targeting government personnel in India using themes and tactics similar to APT36 aka Mythic Leopard and Transparent Tribe.This campaign distributes malicious documents and archives to deliver the Netwire...

Vulnerability Spotlight: Information disclosure vulnerability in D-LINK DIR-3040 mesh router

Dave McDaniel of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered an exploitable information disclosure vulnerability in the D-LINK DIR-3040 smart WiFi mesh router that could allow an adversary to eventually turn off the device or remove other... Thi...

Turla APT Plants Novel Backdoor In Wake of Afghan Unrest

The Turla advanced persistent threat APT group is back with a new backdoor used to infect systems in Afghanistan, Germany and the U.S., researchers have reported. On Tuesday, Cisco Talos researchers said that they’ve spotted infections they attributed to the Turla group aka Snake, Venomous Bear,...

Threat Roundup for September 10 to September 17

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 10 and Sept. 17. 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...

Malware Attack on Aviation Sector Uncovered After Going Unnoticed for 2 Years

A targeted phishing campaign aimed at the aviation industry for two years may be spearheaded by a threat actor operating out of Nigeria, highlighting how attackers can carry out small-scale cyber offensives for extended periods of time while staying under the radar. Cisco Talos dubbed the malware...

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...