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October 26, 2021 08:00

SQUIRRELWAFFLE Leverages malspam to deliver Qakbot, Cobalt Strike

By Edmund Brumaghin, Mariano Graziano and Nick Mavis. Executive summary Recently, a new threat, referred to as "SQUIRRELWAFFLE" is being spread more widely via spam campaigns, infecting systems with a new malware loader. This is a malware family that's been spre

October 22, 2021 16:33

Threat Roundup for October 15 to October 22

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

October 21, 2021 14:00

Threat Source newsletter (Oct. 21, 2021)

Good afternoon, Talos readers. We're writing this on Wednesday for PTO reasons, so apologies if we miss any major news that happens after Wednesday afternoon. Above, you can watch our awesome live stream from Monday with Brad Garnett from Cisco Talos Incident Response. Brad

October 19, 2021 20:00

Malicious campaign uses a barrage of commodity RATs to target Afghanistan and India

* Cisco Talos recently discovered a threat actor using political and government-themed malicious domains to target entities in India and Afghanistan. * These attacks use dcRAT and QuasarRAT for Windows delivered via malicious documents exploiting CVE-2017-11882 — a memory corru

October 19, 2021 16:13

Beers with Talos, Ep. #110: The 10 most-exploited vulnerabilities this year (You won't believe No. 6!)

Beers with Talos (BWT) Podcast episode No. 110 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing, click here. We mainly spend this episode doing some catching up because it's been a while since we reco

October 18, 2021 15:03

Vulnerability Spotlight: Multiple vulnerabilities in ZTE MF971R LTE router

Cisco Talos recently discovered multiple vulnerabilities in the ZTE MF971R LTE portable router. The MF971R is a portable router with Wi-Fi support and works as an LTE/GSM modem. An attacker could exploit all these vulnerabilities by sending a specially crafted HTTP request to th

October 15, 2021 17:08

Threat Roundup for October 8 to October 15

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Oct. 8 and Oct. 15. 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 ke

October 15, 2021 11:07

Talos Takes Ep. #73 (NCSAM edition): Fight the phish from land, sea and air

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. Most people may think of spam as being the classic email promising that you've won the lottery or some great prize,

October 14, 2021 14:00

Threat Source newsletter (Oct. 14, 2021)

Good afternoon, Talos readers. It's still Cybersecurity Awareness Month, and what better way to celebrate by patching and then patching some more? This week was Microsoft Patch Tuesday, which only included two critical vulnerabilities, but still requires patching diligence.