Brad Duncan, Author at Unit42

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

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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

The word "Tutorial," superimposed over an image used in the Wireshark Tutorial series.

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Wireshark Tutorial: Examining Traffic from Hancitor Infections

By Brad Duncan
April 7, 2021 at 6:00 AM

20 min. read

Malicious email, as depicted here, can be the starting point of a chain of events related to Hancitor infections, which have recently been observed distributing Cobalt Strike and using a noisy network ping tool.

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Hancitor’s Use of Cobalt Strike and a Noisy Network Ping Tool

By Brad Duncan
April 1, 2021 at 12:00 PM

11 min. read

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Wireshark Tutorial: Decrypting RDP Traffic

By Brad Duncan and Vijay Prakash
April 1, 2021 at 6:00 AM

10 min. read

41,599

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Wireshark Tutorial: Examining Emotet Infection Traffic

By Brad Duncan
January 19, 2021 at 6:00 AM

15 min. read

The image represents malicious email campaigns, such as TA551, often push a variety of malware, such as Valak and IcedID.

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TA551: Email Attack Campaign Switches from Valak to IcedID

By Brad Duncan
January 7, 2021 at 12:01 AM

9 min. read

Conceptual image illustrating Ryuk Ransomware

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Threat Assessment: Ryuk Ransomware

By Brittany Barbehenn, Doel Santos and Brad Duncan
October 29, 2020 at 5:45 PM

9 min. read

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Wireshark Tutorial: Examining Dridex Infection Traffic

By Brad Duncan
October 23, 2020 at 9:00 AM

12 min. read

This illustration represents the concept of malicious email, such as those involved in Emotet thread hijacking.

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Case Study: Emotet Thread Hijacking, an Email Attack Technique

By Brad Duncan
September 23, 2020 at 6:00 AM

5 min. read

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Wireshark Tutorial: Decrypting HTTPS Traffic

By Brad Duncan
August 21, 2020 at 6:00 AM

129

7 min. read

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Evolution of Valak, from Its Beginnings to Mass Distribution

By Brad Duncan
July 24, 2020 at 12:00 PM

11 min. read

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Goodbye Mworm, Hello Nworm: TrickBot Updates Propagation Module

By Brad Duncan
May 28, 2020 at 12:00 PM

7 min. read

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GuLoader: Malspam Campaign Installing NetWire RAT

By Brad Duncan
April 3, 2020 at 6:00 AM

6 min. read

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Wireshark Tutorial: Examining Qakbot Infections

By Brad Duncan
February 13, 2020 at 6:00 AM

9 min. read

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Wireshark Tutorial: Examining Ursnif Infections

By Brad Duncan
December 23, 2019 at 6:00 AM

14 min. read

Posts created by: Brad Duncan

BazarCall Method: Call Centers Help Spread BazarLoader Malware

Wireshark Tutorial: Examining Traffic from Hancitor Infections

Hancitor’s Use of Cobalt Strike and a Noisy Network Ping Tool

Wireshark Tutorial: Decrypting RDP Traffic

Wireshark Tutorial: Examining Emotet Infection Traffic

TA551: Email Attack Campaign Switches from Valak to IcedID

Threat Assessment: Ryuk Ransomware

Wireshark Tutorial: Examining Dridex Infection Traffic

Case Study: Emotet Thread Hijacking, an Email Attack Technique

Wireshark Tutorial: Decrypting HTTPS Traffic

Evolution of Valak, from Its Beginnings to Mass Distribution

Goodbye Mworm, Hello Nworm: TrickBot Updates Propagation Module

GuLoader: Malspam Campaign Installing NetWire RAT

Wireshark Tutorial: Examining Qakbot Infections

Wireshark Tutorial: Examining Ursnif Infections

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