• Articles
    • Editorial Articles
    • Research Articles
    • WatchGuard Articles
  • The 443 Podcast
  • Threat Landscape
  • About
    • About Us
    • Contact Us
    • Contribute to Secplicity

Secplicity - Security Simplified

Powered by WatchGuard Technologies

Deobfuscating a Dropper for a ZLoader Trojan Variant

April 1, 2021 By Ryan Estes

Computer code

On March 18th, 2021, the DNSWatch Tailored Analysis Team received an email from an internal WatchGuard employee who deemed the email as suspicious. The initial email included an attachment with the title Attachment_57904. A DNSWatch Analyst performed an initial assessment of the file in search of any malicious indicators or behaviors only to discover that the file was a heavily … [Read more...]

Malware Writeup: JS:Trojan:Cryxos.2550

February 28, 2020 By Emil Hozan

While reviewing currently surging malware attacks back in January 2020, one in particular stood out: JS:Trojan:Cryxos.2550. Its appearances increased over 457% from the previous week. This isn’t a new malware by any means, as Trojan.Cryxos has been written about many times. However, this variant is rather new and since it’s surging, it is important to raise the question if you … [Read more...]

The 443 Podcast

A weekly podcast featuring the leading white-hat hackers and security researchers. Listen Now
the 443 podcast

Threat Landscape

Filter and view Firebox Feed data by type of attack, region, country, and date range. View Now
threat landscape

Top Posts

  • Cybersecurity News: Malvertising, Ransomware, and Alleged IRS Breach
  • Law Enforcement Infiltrate and Seize Hive Ransomware Operation
  • The RCE Vulnerability That Wasn’t
  • Cybersecurity News: ACLU Unveils Mass Surveillance Program, (More) Malvertising, and Breaches

Email Newsletter

Sign up to get the latest security news and threat analysis delivered straight to your inbox

By signing up you agree to our Privacy Policy.


The views and opinions expressed on this website are those of the authors and do not necessarily reflect the policy or position of WatchGuard Technologies.

Stay in Touch

Recent Posts

  • CISA Warns of Weaponized RMM Software
  • Cybersecurity News: ACLU Unveils Mass Surveillance Program, (More) Malvertising, and Breaches
  • Law Enforcement Infiltrate and Seize Hive Ransomware Operation
  • Report Roundup
  • Cybersecurity News: Malvertising, Ransomware, and Alleged IRS Breach
View All

Search

Archives

Copyright © 2023 WatchGuard Technologies · Cookie Policy · Privacy Policy · Terms of Use