Josh Grunzweig, Author at Unit42

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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

8 min. read

A conceptual image representing a vulnerability, such as the Apache log4j remote code execution vulnerability discussed here, CVE-2021-44228.

229,891

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Another Apache Log4j Vulnerability Is Actively Exploited in the Wild (CVE-2021-44228) (Updated Dec. 28)

By Tao Yan, Qi Deng, Haozhe Zhang, Yu Fu, Josh Grunzweig, Mike Harbison and Robert Falcone
December 10, 2021 at 1:00 PM

411

15 min. read

59,705

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The Gopher in the Room: Analysis of GoLang Malware in the Wild

By Josh Grunzweig
July 1, 2019 at 6:00 AM

10 min. read

40,697

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Cardinal RAT Sins Again, Targets Israeli Fin-Tech Firms

By Tom Lancaster and Josh Grunzweig
March 19, 2019 at 6:00 AM

8 min. read

Multiple ArtraDownloader Variants Used by BITTER to Target Pakistan

By Josh Grunzweig and Brittany Barbehenn
February 25, 2019 at 6:00 AM

10 min. read

78,632

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The Fractured Block Campaign: CARROTBAT Used to Deliver Malware Targeting Southeast Asia

By Josh Grunzweig and Kyle Wilhoit
November 29, 2018 at 6:00 AM

8 min. read

29,455

people reacted

NOKKI Almost Ties the Knot with DOGCALL: Reaper Group Uses New Malware to Deploy RAT

By Josh Grunzweig
October 1, 2018 at 8:00 AM

8 min. read

27,251

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New KONNI Malware attacking Eurasia and Southeast Asia

By Josh Grunzweig and Bryan Lee
September 27, 2018 at 8:00 AM

10 min. read

53,089

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The Gorgon Group: Slithering Between Nation State and Cybercrime

By Robert Falcone, David Fuertes, Josh Grunzweig and Kyle Wilhoit
August 2, 2018 at 5:00 AM

17 min. read

52,381

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RANCOR: Targeted Attacks in South East Asia Using PLAINTEE and DDKONG Malware Families

By Brittany Barbehenn, Josh Grunzweig and Tom Lancaster
June 26, 2018 at 5:00 AM

12 min. read

51,440

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The Rise of the Cryptocurrency Miners

By Josh Grunzweig
June 11, 2018 at 1:00 PM

7 min. read

42,520

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SquirtDanger: The Swiss Army Knife Malware from Veteran Malware Author TheBottle

By Josh Grunzweig, Brandon Levene, Kyle Wilhoit and Pat Litke
April 17, 2018 at 1:00 PM

8 min. read

46,741

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Patchwork Continues to Deliver BADNEWS to the Indian Subcontinent

By Brandon Levene, Josh Grunzweig and Brittany Barbehenn
March 7, 2018 at 5:00 AM

8 min. read

42,465

people reacted

Sure, I’ll take that! New ComboJack Malware Alters Clipboards to Steal Cryptocurrency

By Brandon Levene and Josh Grunzweig
March 5, 2018 at 5:00 AM

5 min. read

33,349

people reacted

Monero Miners Continue to Plague Users via Russian BitTorrent Site

By Josh Grunzweig
March 1, 2018 at 5:00 AM

7 min. read

Posts created by: Josh Grunzweig

Threat Brief: Ongoing Russia and Ukraine Cyber Conflict

Another Apache Log4j Vulnerability Is Actively Exploited in the Wild (CVE-2021-44228) (Updated Dec. 28)

The Gopher in the Room: Analysis of GoLang Malware in the Wild

Cardinal RAT Sins Again, Targets Israeli Fin-Tech Firms

Multiple ArtraDownloader Variants Used by BITTER to Target Pakistan

The Fractured Block Campaign: CARROTBAT Used to Deliver Malware Targeting Southeast Asia

NOKKI Almost Ties the Knot with DOGCALL: Reaper Group Uses New Malware to Deploy RAT

New KONNI Malware attacking Eurasia and Southeast Asia

The Gorgon Group: Slithering Between Nation State and Cybercrime

RANCOR: Targeted Attacks in South East Asia Using PLAINTEE and DDKONG Malware Families

The Rise of the Cryptocurrency Miners

SquirtDanger: The Swiss Army Knife Malware from Veteran Malware Author TheBottle

Patchwork Continues to Deliver BADNEWS to the Indian Subcontinent

Sure, I’ll take that! New ComboJack Malware Alters Clipboards to Steal Cryptocurrency

Monero Miners Continue to Plague Users via Russian BitTorrent Site

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