mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-07 17:58:52 +00:00
34 lines
973 B
YAML
34 lines
973 B
YAML
title: Compress Data and Lock With Password for Exfiltration With 7-ZIP
|
|
id: 9fbf5927-5261-4284-a71d-f681029ea574
|
|
status: experimental
|
|
author: frack113
|
|
date: 2021/07/27
|
|
description: An adversary may compress or encrypt data that is collected prior to exfiltration using 3rd party utilities
|
|
references:
|
|
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1560.001/T1560.001.md
|
|
tags:
|
|
- attack.collection
|
|
- attack.t1560.001
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
detection:
|
|
selection_7z:
|
|
Image|endswith:
|
|
- '\7z.exe'
|
|
- '\7za.exe'
|
|
selection_password:
|
|
CommandLine|contains: ' -p'
|
|
selection_action:
|
|
CommandLine|contains:
|
|
- ' a '
|
|
- ' u '
|
|
condition: all of them
|
|
falsepositives:
|
|
- Command line parameter combinations that contain all included strings
|
|
level: medium
|
|
fields:
|
|
- CommandLine
|
|
- ParentCommandLine
|
|
- CurrentDirectory
|