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January 21, 2020 12:49

Breaking down a two-year run of Vivin’s cryptominers

News Summary * There is another large-scale cryptomining attack from an actor we are tracking as "Vivin" that has been active since at least November 2017. * "Vivin" has consistently evolved over the past few years, despite having poor operational security

January 21, 2020 12:29

Vulnerability Spotlight: Bitdefender BOX 2 bootstrap remote code execution vulnerabilities

Claudio Bozzato, Lilith Wyatt and Dave McDaniel of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. The Bitdefender BOX 2 contains two remote code execution vulnerabilities in its bootstrap stage. The BOX 2 is a device that protects users’ home networks from a

January 17, 2020 17:55

Threat Roundup for January 10 to January 17

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

January 16, 2020 14:18

JhoneRAT: Cloud based python RAT targeting Middle Eastern countries

By Warren Mercer, Paul Rascagneres and Vitor Ventura with contributions from Eric Kuhla. Updated Jan. 17, 2020: the documents do not exploit the CVE-2017-0199 vulnerability. Executive Summary Today, Cisco Talos is unveiling the details of a new RAT we have identified we're

January 16, 2020 14:00

Threat Source newsletter (Jan. 16, 2019)

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. This wasn’t your average Patch Tuesday. Microsoft’s monthly security update was notable for a few reasons. For start

January 16, 2020 12:05

Beers with Talos Ep. #70: Semper Vigilantes - Strategic Defense in a Cyber Conflict

By Mitch Neff. Beers with Talos (BWT) Podcast episode No. 70 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing, click here. Recorded Jan. 6, 2020 There is a looming cyber conflict on the horizon between t

January 16, 2020 10:56

Vulnerability Spotlight: Multiple remote code execution vulnerabilities in Foxit PDF Reader

Aleksandar Nikolic of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered four remote code execution vulnerabilities in Foxit PDF Reader. Foxit PDF Reader is a popular program for reading and editing PDFs. The software supports Jav

January 16, 2020 09:00

Stolen emails reflect Emotet's organic growth

By Jaeson Schultz Introduction Emotet has a penchant for stealing a victim's email, then impersonating that victim and sending copies of itself in reply. The malicious emails are delivered through a network of stolen outbound SMTP accounts. This relatively simple email-man-

January 14, 2020 14:07

Microsoft Patch Tuesday — Jan. 2020: Vulnerability disclosures and Snort coverage

By Jon Munshaw.  Updated January 15th: Added an Advanced Custom Detection (ACD) signature for AMP that can be used to detect exploitation of CVE-2020-0601 by spoofing certificates masquerading as a Microsoft ECC Code Signing Certificate Authority. Microsoft released its monthly