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File canary kill switch (gitlab.com)

submitted 1 week ago by lemmyuser@programming.dev 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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[–] CameronDev@programming.dev 4 points 1 week ago (1 children)

Okay, so not for protecting actual creds then. Makes sense, although would be nice to have a way to protect actual creds. No idea how that would be achievable though.

[–] lemmyuser@programming.dev 11 points 1 week ago* (last edited 1 week 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.