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⚡ Weekly Recap: iPhone Spyware, Microsoft 0-Day, TokenBreak Hack, AI Data Leaks and More
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Sality, one of the longest
US and European authorities, with CrowdStrike and Shadowserver, disrupted the 20-year-old Sality peer-to-peer botnet, severing 15,000+ infected machines from operators.
US and European authorities disrupted the Sality botnet, active since at least 2003, in an operation involving the DOJ, CrowdStrike, the Shadowserver Foundation and agencies in Bulgaria, Hungary and Romania. Researchers reverse-engineered the botnet's peer-to-peer architecture and injected false data into infected machines' 'super peer' lists, cutting more than 15,000 systems off from their operators. For the past eight years Sality primarily distributed EggJagger, malware that replaces clipboard cryptocurrency addresses and is estimated to have netted the operator at least $150,000. No arrests were announced, and CrowdStrike assesses the operator works from Russia's Bashkortostan region.
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Kimwolf botnet rebuilt to survive takedowns, researchers say
Palo Alto Unit 42 reports the Kimwolf/Aisuru botnet now uses HTTP/2 Chrome-impersonation floods and Ethereum blockchain-based command resolution to survive takedowns.
Palo Alto Networks' Unit 42 says a new Kimwolf/Aisuru botnet version active since February conducts DDoS floods over HTTP/2 with full Chrome browser fingerprints, making attack traffic hard to distinguish from real users. The malware resolves command servers via the Ethereum Name Service using five shuffled Ethereum endpoints, with a Tor hidden service fallback, so authorities cannot seize a domain or serve a takedown order. The botnet, powered mostly by hijacked Android TV boxes and IoT devices, previously had servers seized and an alleged operator arrested; new C2 infrastructure traces to a single network in Saint Petersburg, Russia. It is unclear whether the same developers built the new version.
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Week in review: AiTM phishing kit used to hijack AWS accounts, year-long malware campaign targets HR
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