Cloud-Delivered Security Services Archives

A pictorial representation of network attack trends such as CVE-2021-35394 featuring a stylized bug on IoT-related products. The Palo Alto Networks and Unit 42 logos are included.

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Realtek SDK Vulnerability Attacks Highlight IoT Supply Chain Threats

By Yiheng An, Chao Lei, Adam Robbie, Aveek Das, Zhibin Zhang and Shehroze Farooqi
January 24, 2023 at 6:00 AM

8 min. read

The text Wireshark Quiz in orange set across a screenshot of the Wireshark program.

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Answers to Unit 42 Wireshark Quiz, January 2023

By Brad Duncan
January 23, 2023 at 6:00 AM

6 min. read

15,345

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Unit 42 Wireshark Quiz, January 2023

By Brad Duncan
January 20, 2023 at 6:00 AM

4 min. read

A pictorial representation of a security vulnerability. It shows a checkmark on a shield within a crystal ball.

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Network Security Trends: August-October 2022

By Yiheng An
January 12, 2023 at 6:00 AM

11 min. read

A pictorial representation of the ProxyNotShell bypass threat brief

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Threat Brief: OWASSRF Vulnerability Exploitation

By Robert Falcone and Lior Rochberger
December 22, 2022 at 5:30 PM

9 min. read

Conceptual image representing evasive malware such as Cobalt Strike

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Blowing Cobalt Strike Out of the Water With Memory Analysis

By Dominik Reichel, Esmid Idrizovic and Bob Jung
December 2, 2022 at 6:00 AM

15 min. read

Malware conceptual image, covering variants such as Typhon Reborn

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Typhon Reborn With New Capabilities

By Riley Porter and Uday Pratap Singh
November 14, 2022 at 6:00 AM

7 min. read

Threat brief image, covering vulnerabilities such as CVE-2022-3786 and CVE-2022-3602, OpenSSL X.509 Buffer Overflows

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Threat Brief: CVE-2022-3786 and CVE-2022-3602: OpenSSL X.509 Buffer Overflows

By Shawn Westfall
November 2, 2022 at 6:00 PM

7 min. read

Malware conceptual image, including types of malware such as the Guloader variant covered here.

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Defeating Guloader Anti-Analysis Technique

By Mark Lim
October 28, 2022 at 6:00 AM

5 min. read

Trends conceptual image, covering web threat trends such as the evolution of a malicious JavaScript downloader.

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Trends in Web Threats in CY Q2 2022: Malicious JavaScript Downloaders Are Evolving

By Cecilia Hu, Tao Yan, Jin Chen and Taojie Wang
October 26, 2022 at 6:00 AM

8 min. read

DNS security conceptual image, covering concepts including CNAME cloaking

49,357

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CNAME Cloaking: Disguising Third Parties Through the DNS

By Rebekah Houser and Daiping Liu
October 24, 2022 at 6:00 AM

10 min. read

DNS security conceptual image, covering topics including malicious newly observed domains

49,556

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Detecting Emerging Network Threats From Newly Observed Domains

By Zhanhao Chen, Daiping Liu, Wanjin Li and Fan Fei
October 17, 2022 at 6:00 AM

8 min. read

Ransomware conceptual image, covering threat actors such as Ransom Cartel

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Ransom Cartel Ransomware: A Possible Connection With REvil

By Amer Elsad and Daniel Bunce
October 14, 2022 at 6:00 AM

17 min. read

Threat Brief Image for CVE-2022-41040, CVE-2022-41082, ProxyNotShell

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Threat Brief: CVE-2022-41040 and CVE-2022-41082: Microsoft Exchange Server (ProxyNotShell)

By Shawn Westfall
October 4, 2022 at 4:30 PM

108

8 min. read

DNS security and issues such as domain shadowing are represented by the caution sign within a folder structure. Image includes Palo Alto Networks and Unit 42 logos.

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Domain Shadowing: A Stealthy Use of DNS Compromise for Cybercrime

By Janos Szurdi, Rebekah Houser and Daiping Liu
September 21, 2022 at 6:00 AM

7 min. read

Realtek SDK Vulnerability Attacks Highlight IoT Supply Chain Threats

Answers to Unit 42 Wireshark Quiz, January 2023

Unit 42 Wireshark Quiz, January 2023

Network Security Trends: August-October 2022

Threat Brief: OWASSRF Vulnerability Exploitation

Blowing Cobalt Strike Out of the Water With Memory Analysis

Typhon Reborn With New Capabilities

Threat Brief: CVE-2022-3786 and CVE-2022-3602: OpenSSL X.509 Buffer Overflows

Defeating Guloader Anti-Analysis Technique

Trends in Web Threats in CY Q2 2022: Malicious JavaScript Downloaders Are Evolving

CNAME Cloaking: Disguising Third Parties Through the DNS

Detecting Emerging Network Threats From Newly Observed Domains

Ransom Cartel Ransomware: A Possible Connection With REvil

Threat Brief: CVE-2022-41040 and CVE-2022-41082: Microsoft Exchange Server (ProxyNotShell)

Domain Shadowing: A Stealthy Use of DNS Compromise for Cybercrime

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