Compress Data and Lock With Password for Exfiltration With WINZIP

testmedium
log source: windows · process_creationauthor frack113date 2021-07-27
01

description

What this is, in brief.

An adversary may compress or encrypt data that is collected prior to exfiltration using 3rd party utilities

02

tags

attack.collectionattack.t1560.001
03

rule source (YAML)

title: Compress Data and Lock With Password for Exfiltration With WINZIP
id: e2e80da2-8c66-4e00-ae3c-2eebd29f6b6d
status: test
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/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1560.001/T1560.001.md
author: frack113
date: 2021-07-27
modified: 2022-12-25
tags:
    - attack.collection
    - attack.t1560.001
logsource:
    category: process_creation
    product: windows
detection:
    selection_winzip:
        CommandLine|contains:
            - 'winzip.exe'
            - 'winzip64.exe'
    selection_password:
        CommandLine|contains: '-s"'
    selection_other:
        CommandLine|contains:
            - ' -min '
            - ' -a '
    condition: all of selection*
falsepositives:
    - Unknown
level: medium
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.