Wenjun Hu, Author at Unit 42

Protect Against Russia-Ukraine Cyber Activity

Ransomware conceptual image, covering groups including BlueSky Ransomware

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BlueSky Ransomware: Fast Encryption via Multithreading

By Muhammad Umer Khan, Lee Wei, Yang Ji and Wenjun Hu
August 10, 2022 at 12:00 PM

1045

7 min. read

A conceptual image representing attacks on mobile, such as the recent malicious activity targeting Digium phone software.

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Digium Phones Under Attack: Insight Into the Web Shell Implant

By Lee Wei, Yang Ji, Muhammad Umer Khan and Wenjun Hu
July 15, 2022 at 6:00 AM

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7 min. read

Mac Malware Steals Cryptocurrency Exchanges’ Cookies

By Yue Chen, Cong Zheng, Wenjun Hu and Zhi Xu
January 31, 2019 at 6:00 AM

11

5 min. read

30,357

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Hidden Devil in the Development Life Cycle: Google Play Apps Infected with Windows Executable Files

By Yue Chen, Wenjun Hu, Xiao Zhang and Zhi Xu
July 30, 2018 at 5:00 AM

8

4 min. read

54,957

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Android Toast Overlay Attack: “Cloak and Dagger” with No Permissions

By Cong Zheng, Wenjun Hu, Xiao Zhang and Zhi Xu
September 7, 2017 at 1:00 PM

1

7 min. read

81,930

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SpyDealer: Android Trojan Spying on More Than 40 Apps

By Wenjun Hu, Cong Zheng and Zhi Xu
July 6, 2017 at 8:00 AM

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20 min. read

38,539

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A New Trend in Android Adware: Abusing Android Plugin Frameworks

By Cong Zheng, Wenjun Hu and Zhi Xu
March 22, 2017 at 1:00 PM

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7 min. read

56,582

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Google Play Apps Infected with Malicious IFrames

By Xiao Zhang, Wenjun Hu and Shawn Jin
March 1, 2017 at 5:00 AM

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6 min. read

Rootnik Android Trojan Abuses Commercial Rooting Tool and Steals Private Information

By Wenjun Hu, Claud Xiao and Zhi Xu
December 4, 2015 at 3:00 PM

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12 min. read