Analysis of bash-stage obfuscation used to hide the liblzma/xz backdoor (gynvael.coldwind.pl)

submitted 5 months ago by [email protected] to c/[email protected]

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payload appears to have been hidden in test data then decrypted and injected during the build process.

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[-] [email protected] 2 points 5 months ago

Preliminary stuff I read yesterday suggests that it’s RCE triggered by a signal sent to SSHD. Safest bet is to nuke your system if you had the exploitable library running with an exposed sshd.

this post was submitted on 30 Mar 2024

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