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A Deep Dive on the Recent Widespread DNS Hijacking Attacks

Krebs on Security

government — along with a number of leading security companies — recently warned about a series of highly complex and widespread attacks that allowed suspected Iranian hackers to siphon huge volumes of email passwords and other sensitive data from multiple governments and private companies. PASSIVE DNS.

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Alleged Iran-linked APT groups behind global DNS Hijacking campaign

Security Affairs

Security expert uncovered a DNS hijacking campaign targeting organizations in various industries worldwide and suspects Iranian APT groups. It is interesting to note that FireEye confirmed that this campaign is different from other operations carried out by Iranian APT groups due to the use of DNS hijacking at scale.

DNS 109
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DHS issues emergency Directive to prevent DNS hijacking attacks

Security Affairs

DHS has issued a notice of a CISA emergency directive urging federal agencies of improving the security of government-managed domains (i.e.gov) to prevent DNS hijacking attacks. The notice was issued by the DHS and links the emergency directive Emergency Directive 19-01 titled “Mitigate DNS Infrastructure Tampering.”.

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Russia-linked APT Seashell Blizzard is behind the long running global access operation BadPilot campaign

Security Affairs

On September 2022, the Sandworm group was observed impersonating telecommunication providers to target Ukrainian entities with malware. Since late 2021, the subgroup has targeted networks by modifying Outlook Web Access (OWA) sign-in pages and DNS configurations.

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China-linked LightBasin group accessed calling records from telcos worldwide

Security Affairs

A China-linked hacking group, tracked as LightBasin (aka UNC1945 ), hacked mobile telephone networks around the globe and used specialized tools to access calling records and text messages from telecommunications companies. CrowdStrike researchers reported that at least 13 telecommunication companies were compromised by since 2019.

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China-linked APT group Salt Typhoon compromised some U.S. internet service providers (ISPs)

Security Affairs

In August, Volexity researchers reported that a China-linked APT group, tracked as StormBamboo (aka Evasive Panda , Daggerfly , and StormCloud), successfully compromised an undisclosed internet service provider (ISP) in order to poison DNS responses for target organizations. The company linked the attacks to StormBamboo APT group.

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For nearly a year, Brazilian users have been targeted with router attacks

Security Affairs

The campaign uncovered by Avast aimed at silently modifying the Brazilian users’ Domain Name System (DNS) settings to redirect victims to malicious websites mimicking legitimate ones. “ Malware then guesses routers’ passwords , which new research from Avast shows are often weak. ” states the analysis published by Avast.

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