Unit 42 Archives

DNS security conceptual image, covering concepts including CNAME cloaking

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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

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Threat Assessment: Black Basta Ransomware

By Amer Elsad
August 25, 2022 at 12:00 PM

12 min. read

A conceptual image representing cybercrime, such as the web skimmers discussed in this piece on top web threats.

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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.

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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 DNS security, such as the strategically aged domain detection system discussed here.

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Strategically Aged Domain Detection: Capture APT Attacks With DNS Traffic Trends

By Zhanhao Chen, Daiping Liu, Wanjin Li and Jielong Xu
December 29, 2021 at 6:00 AM

9 min. read

A conceptual image representing network security trends, such as the analysis of network attacks for August-October 2021 provided here.

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Network Security Trends: August-October 2021

By Yue Guan
December 21, 2021 at 12:00 PM

10 min. read

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

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

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

468

15 min. read

A conceptual image representing problems on the web, such as the patient zero web threats discussed here.

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Detecting Patient Zero Web Threats in Real Time With Advanced URL Filtering

By Peng Peng, Fang Liu, Ben Zhang, Stefan Springer and Oleksii Starov
December 9, 2021 at 6:00 AM

13 min. read

A conceptual image symbolizing cybercrime and the use of backdoors, such as the activity we observed in an APT's TiltedTemple Campaign against ManageEngine ServiceDesk Plus, as discussed here.

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APT Expands Attack on ManageEngine With Active Campaign Against ServiceDesk Plus

By Robert Falcone and Peter Renals
December 2, 2021 at 6:00 AM

10 min. read

A conceptual image representing attacks on DNS, including the Wildcard DNS abuse discussed here.

38,214

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Play Your Cards Right: Detecting Wildcard DNS Abuse

By Rebekah Houser and Daiping Liu
December 1, 2021 at 6:00 AM

10 min. read

A conceptual image representing misconfigurations in the cloud, including insecurely exposed services.

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Observing Attacks Against Hundreds of Exposed Services in Public Clouds

By Jay Chen
November 22, 2021 at 12:00 PM

7 min. read

A conceptual image related to the domain name system, in this case applied to an analysis of top-level domains and malicious content.

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A Peek into Top-Level Domains and Cybercrime

By Janos Szurdi
November 11, 2021 at 6:00 AM

11 min. read

A conceptual image representing cybercrime, such as the use of the NGLite backdoor described here and the KdcSponge credential-stealing tool.

102,438

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Targeted Attack Campaign Against ManageEngine ADSelfService Plus Delivers Godzilla Webshells, NGLite Trojan and KdcSponge Stealer

By Robert Falcone, Jeff White and Peter Renals
November 7, 2021 at 6:00 PM

18 min. read

A conceptual image representing threats in the cloud, such as TeamTNT, which is expanding its cryptojacking footprint with new TTPs.

76,054

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Updated: New Evidence Emerges to Suggest WatchDog Was Behind Crypto Campaign

By Nathaniel Quist
October 29, 2021 at 4:10 PM

9 min. read

A conceptual image representing network scanning, such as the network scanning traffic researchers observed in public clouds.

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Network Scanning Traffic Observed in Public Clouds

By Jay Chen
October 28, 2021 at 6:00 AM

6 min. read

Category: Unit 42

CNAME Cloaking: Disguising Third Parties Through the DNS

Threat Assessment: Black Basta Ransomware

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

Strategically Aged Domain Detection: Capture APT Attacks With DNS Traffic Trends

Network Security Trends: August-October 2021

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

Detecting Patient Zero Web Threats in Real Time With Advanced URL Filtering

APT Expands Attack on ManageEngine With Active Campaign Against ServiceDesk Plus

Play Your Cards Right: Detecting Wildcard DNS Abuse

Observing Attacks Against Hundreds of Exposed Services in Public Clouds

A Peek into Top-Level Domains and Cybercrime

Targeted Attack Campaign Against ManageEngine ADSelfService Plus Delivers Godzilla Webshells, NGLite Trojan and KdcSponge Stealer

Updated: New Evidence Emerges to Suggest WatchDog Was Behind Crypto Campaign

Network Scanning Traffic Observed in Public Clouds

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