CyberWire Daily cover image

CyberWire Daily

A seemingly legitimate but actually bogus host for a proxy botnet. PowerShell Gallery vulnerabilities. Cyber incident at Clorox. Scamming would be beta-testers. Cyber updates from Russia’s hybrid war.

Aug 17, 2023
Experts Robert M. Lee and Steve Leeper discuss industry layoffs and mitigating risks with illegal data on networks. Other topics include a proxy botnet with over 400,000 exit nodes, PowerShell Gallery vulnerabilities, a cyber incident at Clorox, and scams targeting mobile beta-testers. Lessons from the Russian cyberattack on Viasat and cyber updates on Starlink are also covered.
31:10

Podcast summary created with Snipd AI

Quick takeaways

  • Malware writers are using a seemingly legitimate company to host a botnet consisting of over 400,000 proxy exit nodes, distributing the malware through peer-to-peer networks and sites offering free premium software.
  • The PowerShell Gallery package repository has active flaws that can be exploited by threat actors to spoof package names, discover unlisted packages, and uncover deleted secrets, posing a significant risk to organizations using PowerShell gallery modules in cloud deployments.

Deep dives

Botnet comprising over 400,000 proxy exit nodes discovered

AT&T Alien Labs has identified a botnet consisting of more than 400,000 proxy exit nodes. The attackers are using a seemingly legitimate company to host the proxies. Alien Labs has evidence that the malware writers are silently installing the proxy on infected systems via social engineering techniques, often disguising it as cracked software or games. The malware is distributed through peer-to-peer networks and sites offering free premium software. The proxy application, being signed, evades antivirus detection. Alien Labs recommends avoiding downloading pirated software or running executable files from dubious sources.

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