Threat Research

Threat Research

Ransomware Roundup: Cryptonite Ransomware

The latest FortiGuard Labs Threat Signal Ransomware Roundup covers the Cryptonite ransomware, along with protection recommendations. Read more.

By Shunichi Imano and James Slaughter November 23, 2022

Threat Research

Beware of Cybercriminals Preying on Online Shoppers on Black Friday

The holiday season is a busy time of year for retailers and shoppers, but also for cybercriminals. The FortiGuard Labs team examines two Black Friday-themed cyberattacks, one using an old PDF file and another exploiting typosquatting.

By Shunichi Imano and Fred Gutierrez November 23, 2022

Threat Research

New RapperBot Campaign – We Know What You Bruting for this Time

FortiGuard Labs provides an analysis on RapperBot focusing on comparing samples for different campaigns, including one aiming to launch Distributed Denial of Service (DDoS) attacks. Read our blog to learn more about the differences observed in this campaign vs previous RapperBot and similar campaigns in the past.

By Joie Salvio and Roy Tay November 15, 2022

Threat Research

Tips and Tricks: Debugging .NET Malware in a Multi-Stage Malware Deployment

FortiGuard Labs recently analyzed a fake phishing email that drops the Warzone RAT. Read a deeper analysis in our blog that provides more detail on technical challenges we faced during the analysis.

By Gergely Revay November 15, 2022

Threat Research

Ransomware Roundup: New Inlock and Xorist Variants

The latest FortiGuard Labs Threat Signal Ransomware Roundup covers the Inlock ransomware and a new variant of the Xorist ransomware, along with protection recommendations. Read more.

By Shunichi Imano and James Slaughter November 10, 2022

Threat Research

Threat Predictions for 2023: New Attack Surfaces and Threats Emerge as Cybercrime Expands

As cybercrime converges with advanced persistent threat methods, cybercriminals are finding ways to weaponize new technologies at scale to enable more disruption and destruction. Read our 2023 threat predictions to learn more.

By FortiGuard Labs November 07, 2022

Threat Research

MITRE Attack Flow Gives CISOs Valuable Context for Better Risk Management

MITRE Engenuity’s Center for Threat-Informed Defense recently released its latest version of the Attack Flow project. Learn how this new standard can benefit organizations for better cyber defense.

By Douglas Jose Pereira dos Santos November 03, 2022

Threat Research

Tips and Tricks: Using the .NET Obfuscator Against Itself

FortiGuard Labs recently analyzed a fake phishing email that drops the Warzone RAT. Read our blog that provides more detail on reverse engineering techniques used during the analysis.

By Gergely Revay November 03, 2022

Threat Research

Ransomware Roundup: New FBI, Wise Guys, and “Pyschedelic” Ransomware

The latest FortiGuard Labs Threat Signal Ransomware Roundup covers FBI ransomware as well as the Wise Guys and “Pyschedelic” ransomware, along with protection recommendations. Read more.

By Shunichi Imano and James Slaughter October 27, 2022

Threat Research

Fake Hungarian Government Email Drops Warzone RAT

FortiGuard Labs recently discovered an email pretending to come from the Hungarian government with a malicious attachment, which is a zipped executable that, upon execution, extracts the Warzone RAT to memory and runs it. Read a detailed analysis in our blog.

By Gergely Revay October 26, 2022