DNS Archives - Unit42

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

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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 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 exploitation of DNS, such as an often overlooked issue discussed in this blog, dangling domains, which can be exploited for DNS hijacking.

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Dangling Domains: Security Threats, Detection and Prevalence

By Daiping Liu and Ruian Duan
September 16, 2021 at 6:00 AM

12 min. read

A conceptual image representing issues with DNS, such as the DNS rebinding discussed here.

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DNS Rebinding Attack: How Malicious Websites Exploit Private Networks

By Zhanhao Chen
August 31, 2021 at 6:00 AM

13 min. read

A conceptual image representing malicious domains, such as those that can be identified by the proactive detector discussed in this piece.

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Detecting and Preventing Malicious Domains Proactively with DNS Security

By Zhanhao Chen and Daiping Liu
May 4, 2021 at 6:00 AM

11 min. read

20,467

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Overview of dnsmasq Vulnerabilities: The Dangers of DNS Cache Poisoning

By Daniel Prizmant
March 8, 2021 at 9:00 AM

10 min. read

Cybercriminals, conceptualized by this image of a man illicitly opening a door into a computer, use techniques such as fast flux, described here, to evade detection and law enforcement takedowns.

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Fast Flux 101: How Cybercriminals Improve the Resilience of Their Infrastructure to Evade Detection and Law Enforcement Takedowns

By Janos Szurdi, Rebekah Houser and Daiping Liu
March 2, 2021 at 6:00 AM

13 min. read

A conceptual image illustrating the concept of DNS vulnerabilities through a set of folders with one opened by an attacker.

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The History of DNS Vulnerabilities and the Cloud

By Daniel Prizmant
December 28, 2020 at 6:00 AM

14 min. read

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DNS Tunneling: how DNS can be (ab)used by malicious actors

By Alex Hinchliffe
March 15, 2019 at 9:00 AM

11 min. read

New Wekby Attacks Use DNS Requests As Command and Control Mechanism

By Josh Grunzweig, Mike Scott and Bryan Lee
May 24, 2016 at 11:30 AM

6 min. read

Don’t Be an April Fool: Inside a Common Phone Scam

By Robert Falcone and Simon Conant
April 1, 2016 at 2:00 PM

8 min. read

Connecting the Dots in Cyber Threat Campaigns, Part 2: Passive DNS

By Bryan Lee
November 4, 2015 at 3:30 PM

6 min. read

Posts tagged with: DNS

Play Your Cards Right: Detecting Wildcard DNS Abuse

A Peek into Top-Level Domains and Cybercrime

Dangling Domains: Security Threats, Detection and Prevalence

DNS Rebinding Attack: How Malicious Websites Exploit Private Networks

Detecting and Preventing Malicious Domains Proactively with DNS Security

Overview of dnsmasq Vulnerabilities: The Dangers of DNS Cache Poisoning

Fast Flux 101: How Cybercriminals Improve the Resilience of Their Infrastructure to Evade Detection and Law Enforcement Takedowns

The History of DNS Vulnerabilities and the Cloud

DNS Tunneling: how DNS can be (ab)used by malicious actors

New Wekby Attacks Use DNS Requests As Command and Control Mechanism

Don’t Be an April Fool: Inside a Common Phone Scam

Connecting the Dots in Cyber Threat Campaigns, Part 2: Passive DNS

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