clean coin miner and tsunami back door

clean.sh

#!/bin/env bash
# clean coin miner and tsunami back door
# Gsealy
# 2021-2-3 21:19:17

set +e

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

USER=`whoami`

function delete_it() {
echo "" > /etc/ld.so.preload
rm -rf /usr/local/lib/libprocesshider.so

chattr -ia /usr/lib/systemd/system/pwnrigl.service /usr/lib/systemd/system/ntpdate.service > /dev/null 2>&1
systemctl stop pwnrigl.service ntpdate.service && systemctl disable pwnrigl.service ntpdate.service
rm -rf /usr/lib/systemd/system/pwnrigl.service /usr/lib/systemd/system/ntpdate.service

rm -rf /var/tmp /tmp/*
pkill -f '\-bash'
chattr -ia /bin/sysdr /bin/initdr /bin/crondr /bin/bprofr /bin/-bash > /dev/null 2>&1
rm -rf /bin/sysdr /bin/initdr /bin/crondr /bin/bprofr /bin/-bash
chattr -ia /sbin/lntpdate /sbin/entpdate /sbin/bsysd /sbin/binitd /sbin/bcrond /sbin/msysd /sbin/minitd /sbin/mcrond /sbin/-bash > /dev/null 2>&1
rm -rf /sbin/lntpdate /sbin/entpdate /sbin/bsysd /sbin/binitd /sbin/bcrond /sbin/msysd /sbin/minitd /sbin/mcrond /sbin/-bash
chattr -ia /etc/init.d/ntpdate  /etc/init.d/pwnrig > /dev/null 2>&1 && rm -rf /etc/init.d/ntpdate  /etc/init.d/pwnrig
chattr -ia /etc/cron*/ntpdate /etc/cron*/pwnrig > /dev/null 2>&1 && rm -rf /etc/cron*/ntpdate /etc/cron*/pwnrig

pkill -f '\-bash' > /dev/null 2>&1
crontab -r && crontab -u x -r > /dev/null 2>&1
userdel -r x > /dev/null 2>&1 && rm -rf /home/x

chattr -ia /$USER/.bash_profile > /dev/null 2>&1 && sed -i '/bprofr/d' /$USER/.bash_profile
}

read -p "ATTENTION: will clean current user's cron task, y[Y] for continue；others exit " _continue
if [[ "$_continue" == [yY] ]]; then
    delete_it
    echo "clean finish, please change login password ASAP"
    else
    exit 0
fi

and user ubuntu

crontab -r && crontab -u ubuntu -r > /dev/null 2>&1
userdel -r ubuntu > /dev/null 2>&1 && rm -rf /home/ubuntu