this post was submitted on 19 Jul 2024
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830
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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[–] reddit_sux 7 points 4 months ago

BSOD is the ultimate catch statement of the OS. It will gracefully close all open data streams and exit. Of course it is not the usual exit so it gives a graphic representation of what not have gone wrong.

If it would have been nuking it wouldn't show anything.