Threats Tagged 'mal-2026-17781'
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Threats Tagged 'mal-2026-17781'
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The RubyGem package 'btc-fee-estimator' version 0.9.1 contains malicious code that executes a backdoor during installation. The gem's installation script decodes and evaluates a hidden Ruby payload that opens a TCP connection to a hardcoded IP address, providing remote shell access. The payload includes anti-analysis checks to avoid detection in CI environments, sandboxes, and machines without developer artifacts, targeting real developer workstations. The package itself has no legitimate functionality and serves solely as a cover for this install-time backdoor. Join the discussion | GCVE Database | 10/11/2026, 13:46:21 UTC Added: 10/11/2026, 21:33:23 UTC |
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