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Tag: RubyGems

Malware

StubMaker: Typosquatted RubyGems Campaign

StubMaker is a typosquatting campaign targeting RubyGems users with a Windows-based information stealer. It uses malicious gems with extconf.rb hooks to deliver…

information stealer RubyGems StubMaker Supply Chain
August 18, 2026
Malware

SleeperGem: RubyGems Supply Chain Attack

SleeperGem is a software supply chain attack targeting the Ruby ecosystem through three malicious RubyGems packages. The malware acts as a loader,…

malware persistence privilege escalation RubyGems
July 20, 2026