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File canary kill switch (gitlab.com)
submitted 1 month ago by to c/linux@programming.dev
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I wrote a dead simple file canary tool that will install an eBPF program that drops all outgoing packets if a canary is touched. I wrote this in response to the current trend of supply chain attacks that try to harvest credentials

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[–] [S] 12 points 1 month ago*

Right it's just for things you don't use but a credential harvester would find interesting.

I've been working a lot on containing the blast radius with some careful LXC usage, but this was a quick way to get some real value without a ton of thought.

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