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Microsoft Exchange vulnerabilities exploited once again for ransomware, this time with Babuk

By Chetan Raghuprasad and Vanja Svajcer, with contributions from Caitlin Huey. Cisco Talos recently discovered a malicious campaign deploying variants of the Babuk ransomware predominantly affecting users in the U.S. with smaller number of infections in U.K., Germany, Ukraine, Finland, Brazil,... [[ This is only the beginning! Please visit the blog for the complete entry ]]

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#ransomware#SecureX#threats#trojan#vulnerabilities#vulnerability#microsoft#cisco
Microsoft Exchange vulnerabilities exploited once again for ransomware, this time with Babuk

By Chetan Raghuprasad and Vanja Svajcer, with contributions from Caitlin Huey. Cisco Talos recently discovered a malicious campaign deploying variants of the Babuk ransomware predominantly affecting users in the U.S. with smaller number of infections in U.K., Germany, Ukraine, Finland, Brazil,... [[ This is only the beginning! Please visit the blog for the complete entry ]]

Threat Roundup for October 22 to October 29

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Oct. 22 and Oct. 29. 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 characteristics,... [[ This is only the beginning! Please visit the blog for the complete entry ]]

Threat Source newsletter (Oct. 28, 2021)

Newsletter compiled by Jon Munshaw.Good afternoon, Talos readers.   Most people know about chicken and waffles. But what about squirrel and waffles? They may not be the most appetizing brunch, but they are teaming up for one heck of a spam campaign.  We have new research out... [[ This is only the beginning! Please visit the blog for the complete entry ]]

Quarterly Report: Incident Response trends from Q3 2021

Ransomware again dominated the threat landscape, while BEC grew  By David Liebenberg and Caitlin Huey.  Once again, ransomware was the most dominant threat observed in Cisco Talos Incident Response (CTIR) engagements this quarter.   CTIR helped resolve several significant... [[ This is only the beginning! Please visit the blog for the complete entry ]]

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 spread with increasing regularity and... [[ This is only the beginning! Please visit the blog for the complete entry ]]

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 corruption vulnerability in... [[ This is only the beginning! Please visit the blog for the complete entry ]]

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 spread with increasing regularity and... [[ This is only the beginning! Please visit the blog for the complete entry ]]

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 spread with increasing regularity and... [[ This is only the beginning! Please visit the blog for the complete entry ]]

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 spread with increasing regularity and... [[ This is only the beginning! Please visit the blog for the complete entry ]]