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XZ backdoor may have a killswitch and mitigation without package update
There appears to be a string encoded in the binary payload:

https://gist.github.com/q3k/af3d93b6a1f399de28fe194add452d01#file-hashes-txt-L115

Which functions as a killswitch:

https://piaille.fr/@zeno/112185928685603910

Thus, one workaround for affected systems might be to add this to \\/etc/environment\\:

\\\\\\ yolAbejyiejuvnup=Evjtgvsh5okmkAvj \\\\\\

\\+ restart ssh and systemd

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Comments URL: [https://news.ycombinator.com/item?id=39881 ... ⌘ [Read more](https://news.ycombinator.com/item?id=39881044)*