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CrowdStrike downtime apparently caused by update that replaced a file with 42kb of zeroes (twiiit.com)

submitted 4 months ago* (last edited 4 months ago) by [email protected] to c/technology

190 comments fedilink hide all child comments

…according to a Twitter post by the Chief Informational Security Officer of Grand Canyon Education.

So, does anyone else find it odd that the file that caused everything CrowdStrike to freak out, C-00000291-
00000000-00000032.sys was 42KB of blank/null values, while the replacement file C-00000291-00000000-
00000.033.sys was 35KB and looked like a normal, if not obfuscated sys/.conf file?

Also, apparently CrowdStrike had at least 5 hours to work on the problem between the time it was discovered and the time it was fixed.

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[–] Angry_Autist 13 points 4 months ago (1 children)

It makes me so fuckdamn angry that people make this assumption.

This Crowdstrike update was NOT pausable. You cannot disable updates without disabling the service as they get fingerprint files nearly every day.

[–] lando55 5 points 4 months ago (1 children)

I hear you, but there's no reason to be angry.

When I first learned of the issue, my first thought was, "Hey our update policy doesn't pull the latest sensor to production servers." After a little more research I came to the same conclusion you did, aside from disconnecting from the internet there's nothing we really could have done.

There will always be armchair quarterbacks, use this as an opportunity to teach, life's too short to be upset about such things.

[–] Angry_Autist 7 points 4 months ago (1 children)

It doesn't help that I'm medically angry 80% of the time for mostly no reason, but even without that this would incense me because I've had 40+ users shouting similar uneducated BS at me yesterday thinking that it was personally my fault that 40% of the world bluescreened. No I am not exaggerating.

I have written and spoken phrases 'No we could not prevent this update' so many times in the last 24 hours that they have become meaningless to me through semantic satiation.

[–] [email protected] 1 points 4 months ago

Take it from me, reality is a prison. If your issues are as bad as mine, escapism is the only solution and social media is the polar opposite of escapism. I'm not saying "do drugs", I'm saying "threaten to quit, and if they call your bluff, make an untraceable alteration to fuck the company over and quietly hand in your resignation" before taking a break to indulge hobbies while searching for another job.

And if you can't afford to lose your job at all for any length, you now have a morally-acceptable reason to kill everyone in your workplace because better death than slavery to a system this corrupt.