next-generation firewall Archives - Unit 42

Protect Against Russia-Ukraine Cyber Activity

A conceptual image representing targeted attacks, including the XLL Files and Dridex infection chain discussed here.

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Weaponization of Excel Add-Ins Part 2: Dridex Infection Chain Case Studies

By Saqib Khanzada
May 19, 2022 at 12:00 PM

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8 min. read

A bear trap accompanied by symbols associated with Russia and Ukraine come together to form a conceptual image for Russia's Gamaredon, aka Primitive Bear, an APT targeting Ukraine.

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Russia’s Gamaredon aka Primitive Bear APT Group Actively Targeting Ukraine (Updated June 22)

By Unit 42
February 3, 2022 at 1:00 PM

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19 min. read

A conceptual image representing targeted attacks, including the type of malware discussed here, dropped by Excel add-ins and Office 4.0 macros.

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Weaponization of Excel Add-Ins Part 1: Malicious XLL Files and Agent Tesla Case Studies

By Yaron Samuel
January 25, 2022 at 6:00 AM

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8 min. read

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Threat Brief: Ongoing Russia and Ukraine Cyber Conflict

By Robert Falcone, Mike Harbison and Josh Grunzweig
January 20, 2022 at 12:30 PM

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8 min. read

Machine Learning Command and Control project detects C2 traffic types.

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Using AI to Detect Malicious C2 Traffic

By Ajaya Neupane and Stefan Achleitner
May 24, 2021 at 6:00 AM

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8 min. read