Easily find GUIDs in the classes list in the registry

findguid.ps1

<#
Easily find GUIDs in the classes root
#>

Param(
    [Parameter(Mandatory=$true)]
    [string]$GUID,

    [switch]
    $all
)

$IDPaths = @("AppID", "CLSID", "Interface")

# Fix dashes
$GUID = $GUID -replace "_","-"

# Add braces as necessary
if (-Not $GUID.StartsWith('{'))
{
    $GUID = '{' + $GUID
}

if (-Not $GUID.EndsWith('}')) 
{
    $GUID = $GUID + '}'
}

foreach ($IDPath in $IDPaths)
{
    Get-Item -Path "HKLM:\SOFTWARE\Classes\$($IDPath)\$($GUID)" -ErrorAction Ignore
    Get-ChildItem -Path "HKLM:\SOFTWARE\Classes\$($IDPath)\$($GUID)" -ErrorAction Ignore
}

if ($all) {
    echo "
`n`n
*******************************
Starting long search...
*******************************
`n`n
"
    pushd "HKLM:\SOFTWARE\Classes"
    ls -r $GUID
    popd
}

findguid.py

'''
This is the IDAPython version of the `findguid.ps1` module. Allowing easy discovery of GUIDs in binaries.

It depends on `rage` for Windows registry access. So use `pip install rage` to be able to use it.

This code is published under the MIT license.

The MIT License (MIT)
Copyright (c) 2016 Tamir Bahar
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
'''
import idaapi
import uuid
import rage
import struct

HKCR = rage.RegistryKey('HKEY_CLASSES_ROOT')

ID_PATHS = ('AppID', "CLSID", 'Interface')


def read_guid(ea=None):
    if ea is None:
        ea = idaapi.get_screen_ea()
    # Pay attention to the endian!
    return uuid.UUID(bytes_le=idaapi.get_many_bytes(ea, 16))


def format_guid(guid):
    return '{{{}}}'.format(guid)


def find_guid(guid):
    for path in ID_PATHS:
        try:
            key = HKCR[path][guid]

            for name, value in key.values:
                yield name, value
        except:
            pass


def show_guid():
    guid = read_guid()
    print
    print 'GUID: {}'.format(format_guid(guid))
    print 'GUID: {{{}}}'.format(' ,'.join(map('0x{:X}'.format, struct.unpack('<LHHBBBBBBBB', guid.bytes_le))))
    for name, value in find_guid(guid):
        print name, value
    print


def name_guid(ea=None):
    if ea is None:
        ea = idaapi.get_screen_ea()

    guid = read_guid(ea)
    for name, value in find_guid(format_guid(guid)):
        if not name:
            guid_name = 'GUID_{}'.format(value.value)
            break
    else:
        return

    idaapi.set_name(ea, guid_name, idaapi.SN_NOWARN | idaapi.SN_NOCHECK)
    # TODO: Convert the data to a GUID structure.


idaapi.add_hotkey('Shift-G', show_guid)
idaapi.add_hotkey('Ctrl-Shift-G', name_guid)