Malware Archives

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

8 min. read

12,079

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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 cybercrime, such as the web skimmers discussed in this piece on top web threats.

8,602

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The Year in Web Threats: Web Skimmers Take Advantage of Cloud Hosting and More

By Cecilia Hu, Tao Yan, Taojie Wang and Jin Chen
January 13, 2022 at 6:00 PM

8 min. read

A conceptual image representing malicious code, such as the web skimmer malicious JavaScript code injected into video as described here.

22,156

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A New Web Skimmer Campaign Targets Real Estate Websites Through Attacking Cloud Video Distribution Supply Chain

By Taojie Wang, Jin Chen and Tao Yan
January 3, 2022 at 12:00 PM

10 min. read

A conceptual image representing Wireshark Tutorials.

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Wireshark Tutorial: Wireshark Workshop Videos Now Available

By Brad Duncan
October 1, 2021 at 6:00 AM

2 min. read

A conceptual image representing trends, such as those covered in our post on network security trends from May-July 2021.

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Network Security Trends: May-July 2021

By Yue Guan and Lei Xu
September 17, 2021 at 3:00 PM

9 min. read

A conceptual image representing the COVID-19 pandemic and cybercrime – this blog discusses how threat actors are poised to take advantage of one of the aspects of the slowing spread of the virus: attacking a renewed travel industry with travel-themed phishing campaigns.

31,330

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Phishing Eager Travelers

By Anna Chung and Swetha Balla
September 15, 2021 at 6:00 AM

9 min. read

A conceptual image representing malware, such as the malware discussed here, designed to evade classifiers through benign append attacks.

24,188

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The Innocent Until Proven Guilty Learning Framework Helps Overcome Benign Append Attacks

By Brody Kutt, Oleksii Starov and Billy Hewlett
September 1, 2021 at 3:00 PM

11 min. read

A conceptual image representing ransomware, including the emerging ransomware groups covered here: AvosLocker, Hive, HelloKitty and LockBit 2.0.

40,224

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Ransomware Groups to Watch: Emerging Threats

By Doel Santos and Ruchna Nigam
August 24, 2021 at 3:00 AM

11 min. read

A conceptual image representing ransomware, such as the ransomware families discussed in this post.

29,887

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Ransomware Families: 2021 Data to Supplement the Unit 42 Ransomware Threat Report

By Guang Qing He, Cecil Liu, Aiden Huang and Royce Lu
July 28, 2021 at 6:00 AM

7 min. read

A conceptual image representing THOR, a previously unseen PlugX variant deployed by the PKPLUG Group. The image features a Panda because PKPLUG is also known as Mustang Panda. It also features the logos of Palo Alto Networks and Unit 42.

39,740

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THOR: Previously Unseen PlugX Variant Deployed During Microsoft Exchange Server Attacks by PKPLUG Group

By Mike Harbison and Alex Hinchliffe
July 27, 2021 at 12:00 PM

13 min. read

26,576

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Evade Sandboxes With a Single Bit – the Trap Flag

By Mark Lim
July 19, 2021 at 3:30 PM

5 min. read

A conceptual image representing adversaries and their tactics, such as the Matanbuchus malware-as-a-service described here.

31,441

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Matanbuchus: Malware-as-a-Service with Demonic Intentions

By Jeff White and Kyle Wilhoit
June 16, 2021 at 7:32 AM

9 min. read

A conceptual image representing Siloscape, the first known malware targeting Windows containers.

58,662

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Siloscape: First Known Malware Targeting Windows Containers to Compromise Cloud Environments

By Daniel Prizmant
June 7, 2021 at 3:00 AM

11 min. read

A conceptual image representing cybercrime, such as the way that BazarCall uses call centers for BazarLoader malware

42,427

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BazarCall Method: Call Centers Help Spread BazarLoader Malware

By Brad Duncan
May 19, 2021 at 4:00 PM

9 min. read

Category: Malware

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

Threat Brief: Ongoing Russia and Ukraine Cyber Conflict

The Year in Web Threats: Web Skimmers Take Advantage of Cloud Hosting and More

A New Web Skimmer Campaign Targets Real Estate Websites Through Attacking Cloud Video Distribution Supply Chain

Wireshark Tutorial: Wireshark Workshop Videos Now Available

Network Security Trends: May-July 2021

Phishing Eager Travelers

The Innocent Until Proven Guilty Learning Framework Helps Overcome Benign Append Attacks

Ransomware Groups to Watch: Emerging Threats

Ransomware Families: 2021 Data to Supplement the Unit 42 Ransomware Threat Report

THOR: Previously Unseen PlugX Variant Deployed During Microsoft Exchange Server Attacks by PKPLUG Group

Evade Sandboxes With a Single Bit – the Trap Flag

Matanbuchus: Malware-as-a-Service with Demonic Intentions

Siloscape: First Known Malware Targeting Windows Containers to Compromise Cloud Environments

BazarCall Method: Call Centers Help Spread BazarLoader Malware

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