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December 4, 2020 16:10

Threat Roundup for November 27 to December 4

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Nov. 27 and Dec. 4. 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

December 3, 2020 14:00

Threat Source newsletter (Dec. 3, 2020)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. While ransomware has made all the headlines this year, that doesn’t mean cryptocurrency miners are going anywhere. We recently discovered a new actor we’re calling “Xanthe” that’s mining Monero on targets’ machi

December 2, 2020 16:21

Vulnerability Spotlight: DoS, code execution vulnerabilities in EIP Stack Group OpENer

Martin Zeiser and Jared Rittle of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Executive summary Cisco Talos recently discovered two vulnerabilities in the Ethernet/IP function of EIP Stack Group OpENer. OpENer is an Ethernet/IP stack for I/O adapter devi

December 1, 2020 15:57

Beers with Talos Ep. #96: The boogeyman and QR codes

Beers with Talos (BWT) Podcast episode No. 96 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing, click here. By Mitch Neff. We got delayed with Thanksgiving and PTO, but here is a long-awaited episode. We&

December 1, 2020 11:04

Xanthe - Docker aware miner

By Vanja Svajcer and Adam Pridgen, Cisco Incident Command NEWS SUMMARY * Ransomware attacks and big-game hunting making the headlines, but adversaries use plenty of other methods to monetize their efforts in less intrusive ways. * Cisco Talos recently discovered a cryptocur

November 30, 2020 10:00

Vulnerability Spotlight: Multiple vulnerabilities in WebKit

Marcin “Icewall” Noga of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Executive summary The WebKit browser engine contains multiple vulnerabilities in various functions of the software. A malicious web page code could trigger multiple use-after-free error

November 20, 2020 17:19

Threat Roundup for November 13 to November 20

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

November 19, 2020 13:51

Threat Source newsletter (Nov. 19, 2020)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. In case you hadn’t already realized, Snort somehow became a meme this week, so that was fun. As 2020 (finally...or already...I can’t decide which) comes to an end, we’re going to start doing a look back at the

November 18, 2020 11:00

Back from vacation: Analyzing Emotet’s activity in 2020

By Nick Biasini, Edmund Brumaghin, and Jaeson Schultz. Emotet is one of the most heavily distributed malware families today. Cisco Talos observes large quantities of Emotet emails being sent to individuals and organizations around the world on an almost daily basis. These emails