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Stealthy Linux backdoor leveraging residential proxies and NHAS reverse SSH

4 May 2025  |  securebulletin.com  |  Vulnerability

A recently discovered Linux backdoor (SHA256: ea41b2bf1064efcb6196bb79b40c5158fc339a36a3d3ddee68c822d797895b4e) employs advanced evasion techniques to bypass detection while establishing persistent access via SOCKS5 proxies and in-memory payload execution. This analysis breaks...

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Persistent backdoors via Linux pluggable authentication modules: a new threat

6 September 2024  |  dark6  |  Spyware

Recent research by the Group-IB Digital Forensics and Incident Response (DFIR) team has revealed a novel technique exploiting Linux’s Pluggable Authentication Modules (PAM) to create persistent backdoors on...

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End of Life for Linux Kernel 6.9: time to upgrade

5 August 2024  |  dark6  |  Vulnerability

As of May 2024, the Linux Kernel 6.9 series has officially reached its end of life (EOL) with the release of version 6.9.12. Users are now faced with...

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