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March 3, 2020 08:38

Video: What defenders can learn from past ransomware attacks

The Cisco Talos Incident Response "Stories from the Field" video series returns with another entry from Matt Aubert. This time, Matt discusses ransomware infections he's seen in real-time, and shares what defenders can learn from others' mistakes and recovery.

February 28, 2020 12:52

Threat Roundup for February 21 to February 28

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Feb. 21 and Feb. 28. 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

February 27, 2020 14:00

Threat Source newsletter (Feb. 27, 2020)

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 know we’ve kept you waiting for a while, but the new Snort Resources page is finally here. We’ve got new and impr

February 27, 2020 07:47

Beers with Talos Ep. #73: Feature ownership, vuln advisories and fancy audio FX

Beers with Talos (BWT) Podcast episode No. 73 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing, click here. Recorded Feb. 19, 2020 Craig made an oopsie. Pardon his echo-chamber reverb. We had no idea unti

February 25, 2020 16:37

New Research Paper: Prevalence and impact of low-entropy packing schemes in the malware ecosystem

Detection of malware is a constant battle between the technologies designed to detect and prevent malware and the authors creating them. One common technique adversaries leverage is packing binaries. Packing an executable is similar to applying compression or encryption and can i

February 24, 2020 10:04

Vulnerability Spotlight: Multiple vulnerabilities in Moxa AWK-3131A

Jared Rittle and Carl Hurd of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. The Moxa AWK-3131A networking device contains several different vulnerabilities that an attacker could exploit to carry out malicious activities in an industrial environment. The AWK

February 21, 2020 13:43

Threat Roundup for February 14 to February 21

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Feb. 14 and Feb. 21. 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

February 20, 2020 14:00

Threat Source newsletter (Feb. 20, 2020)

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’ve got more ways than ever for you to get Talos content. We continue to grow our YouTube page with the second ent

February 20, 2020 11:06

ObliqueRAT: New RAT hits victims' endpoints via malicious documents

By Asheer Malhotra. * Cisco Talos has observed a malware campaign that utilizes malicious Microsoft Office documents (maldocs) to spread a remote access trojan (RAT) we’re calling “ObliqueRAT.” * These maldocs use malicious macros to deliver the second stage RAT payload. *