this post was submitted on 28 Aug 2023
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WARNING: Lemmy Self-Hosters, There Have Been CSAM Attacks taking place against !lemmyshitpost@lemmy.world (jamie.moe)
submitted 1 year ago* (last edited 1 year ago) by Jamie@jamie.moe to c/selfhosted@lemmy.world
147 comments fedilink hide all child comments
 

cross-posted from: https://jamie.moe/post/113630

There have been users spamming CSAM content in !lemmyshitpost@lemmy.world causing it to federate to other instances. If your instance is subscribed to this community, you should take action to rectify it immediately. I recommend performing a hard delete via command line on the server.

I deleted every image from the past 24 hours personally, using the following command: sudo find /srv/lemmy/example.com/volumes/pictrs/files -type f -ctime -1 -exec shred {} \;

Note: Your local jurisdiction may impose a duty to report or other obligations. Check with these, but always prioritize ensuring that the content does not continue to be served.

Update

Apparently the Lemmy Shitpost community is shut down as of now.

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[–] Ebby@lemmy.ssba.com 8 points 1 year ago (2 children)

Could someone please ELI5 that script. I'm all for keeping things clean, but old enough to remember the days of console based trolling.

[–] RegalPotoo@lemmy.world 12 points 1 year ago (1 children)

Looks fairly sane, finds every file in the given directory that was created in the last 24 hours and deletes them. Personally if you are dealing with CSAM I'd be using shred instead of just rm

[–] lemmyvore@feddit.nl 2 points 1 year ago

shred -u will shred and then remove.

[–] UnlimitedRumination@sh.itjust.works 9 points 1 year ago* (last edited 1 year ago) (1 children)

sudo

As root

find /srv/lemmy/example.com/volumes/pictrs/files

Find files in /srv/lemmy... that:

-type f

Are plain files (not directories, symlinks, etc; includes images)

-ctime -1

And were created within an amount of time (probably last day, haven't used this flag in a while)

-exec rm {} \\;

For each matching file found execute rm on it (delete it).

[–] GBU_28@lemm.ee 3 points 1 year ago (1 children)

I don't think rm is gonna cut it if you have that shit on disk

[–] UnlimitedRumination@sh.itjust.works 3 points 1 year ago

Agreed, the data will not be scrubbed, just marked as reclaimable.