103 lines
3.0 KiB
Python
103 lines
3.0 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': 'Get-SystemDNSServer',
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'Author': ['DarkOperator'],
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'Description': ('Enumerates the DNS Servers used by a system.'),
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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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'MinPSVersion' : '2',
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'Comments': [
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'https://github.com/darkoperator/Posh-SecMod/blob/master/Discovery/Discovery.psm1'
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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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}
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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):
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script = """
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function Get-SystemDNSServer
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{
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<#
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.Synopsis
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Enumerates the DNS Servers used by a system
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Part of Posh-SecMod (https://github.com/darkoperator/Posh-SecMod/)
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Author: darkoperator
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.DESCRIPTION
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Enumerates the DNS Servers used by a system returning an IP Address .Net object for each.
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.EXAMPLE
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C:\> Get-SystemDNSServer
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Address : 16885952
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AddressFamily : InterNetwork
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ScopeId :
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IsIPv6Multicast : False
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IsIPv6LinkLocal : False
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IsIPv6SiteLocal : False
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IsIPv6Teredo : False
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IsIPv4MappedToIPv6 : False
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IPAddressToString : 192.168.1.1
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#>
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$DNSServerAddresses = @()
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$interfaces = [System.Net.NetworkInformation.NetworkInterface]::GetAllNetworkInterfaces()
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foreach($interface in $interfaces)
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{
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if($interface.OperationalStatus -eq "Up")
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{
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$DNSConfig = $interface.GetIPProperties().DnsAddresses
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if (!$DNSConfig.IsIPv6SiteLocal)
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{
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$DNSServerAddresses += $DNSConfig
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}
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}
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}
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$DNSServerAddresses
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} Get-SystemDNSServer"""
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for option,values in self.options.iteritems():
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if option.lower() != "agent":
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if values['Value'] and values['Value'] != '':
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if values['Value'].lower() == "true":
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# if we're just adding a switch
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script += " -" + str(option)
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else:
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script += " -" + str(option) + " " + str(values['Value'])
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return script
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