hack attempt ?

[Folamour]

hi folks, does someone cant tell me what is this ? if its legitimate or not :

[Tue Aug 29 21:03:38.458477 2023] [-:error] [pid 21942:tid 34459830784] [client 66.249.83.83:39327] FastCGI: server "/var/run/hcgi/91434" stderr: PHP Warning: file_put_contents(/home/xxxxx/www/crashdebug.fr/administrator/cache/_media_version/index.html) [<a href='https://secure.php.net/manual/en/functi ... nts.php</a>]: Failed to open stream: No such file or directory in /home/xxxxx/www/crashdebug.fr/libraries/src/Cache/Storage/FileStorage.php on line 448

after that we get a black of 6mn in the log and then pm user limit reach,

[Tue Aug 29 21:09:08.640297 2023] [-:error] [pid 34076:tid 34459844864] [client 213.180.203.14:38362] mod_hcgi: pm error: user limits reached!
[Tue Aug 29 21:09:08.656300 2023] [-:error] [pid 31474:tid 34460617216] [client 5.255.253.67:60634] mod_hcgi: pm error: user limits reached!
[Tue Aug 29 21:09:09.630943 2023] [-:error] [pid 31474:tid 34459835904] [client 5.255.231.88:43716] mod_hcgi: pm error: user limits reached!
[Tue Aug 29 21:09:09.649267 2023] [-:error] [pid 31474:tid 34459833344] [client 213.180.203.221:50744] mod_hcgi: pm error: user limits reached!

it seem to be a php injection of file,

because of maintenance some of our defense was down

client 66.249.83.83 is google

thanks

[Folamour]

we got other crash so this question is not very important, thanks