Skip to content

fix: correct registry value parsing for Amcache plugin parameters #4965

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
stetsbemueht wants to merge 1 commit into
base: main
Choose a base branch
from
Open

fix: correct registry value parsing for Amcache plugin parameters #4965

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 8 additions & 1 deletion plaso/parsers/winreg_plugins/amcache.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -120,7 +120,10 @@ class AMCachePlugin(interface.WindowsRegistryPlugin):
'ProductVersion': 'file_version',
'ProgramId': 'program_identifier',
'Publisher': 'company_name',
'Size': 'file_size'}
'Size': 'file_size',
'FileId': 'sha1',
'Language': 'language_code',
'Version': 'file_version'}

_FILE_REFERENCE_KEY_VALUES = {
'0': 'product_name',
Expand Down Expand Up @@ -217,6 +220,10 @@ def _ParseApplicationSubKey(self, parser_mediator, application_sub_key):
value_data = self._GetValueDataAsObject(
parser_mediator, application_sub_key.path, value_name, value)

if attribute_name == 'sha1' and value_data.startswith('0000'):
# Strip off the 4 leading zero's from the sha1 hash.
value_data = value_data[4:]

setattr(event_data, attribute_name, value_data)

install_date_value = application_sub_key.GetValueByName('InstallDate')
Expand Down
11 changes: 10 additions & 1 deletion tests/parsers/winreg_plugins/amcache.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -120,7 +120,16 @@ def testProcessWindows10(self):
'installation_time': None,
'last_written_time': None,
'link_time': '1997-01-10T22:26:24+00:00',
'msi_installation_time': None}
'msi_installation_time': None,
'sha1': '75c5a97f521f760e32a4a9639a653eed862e9c61',
'file_size': 53744,
'language_code': 1033,
'file_version': '10.0.18362.1 (winbuild.160101.0800)',
'company_name': 'microsoft corporation',
'file_description': None,
'file_reference': None,
'product_name': 'microsoft® windows® operating system',
'program_identifier': '0000f519feec486de87ed73cb92d3cac802400000000'}

event_data = storage_writer.GetAttributeContainerByIndex('event_data', 135)
self.CheckEventData(event_data, expected_event_values)
Expand Down