Detection rules › Sigma
Compress Data and Lock With Password for Exfiltration With WINZIP
An adversary may compress or encrypt data that is collected prior to exfiltration using 3rd party utilities
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Collection |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
| Security-Auditing | Event ID 4688: A new process has been created. |
Rule body
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
Stages and Predicates
Stage 0: condition
all of selection*Stage 1: selection_winzip
selection_winzip:
CommandLine|contains:
- 'winzip.exe'
- 'winzip64.exe'
Stage 2: selection_password
selection_password:
CommandLine|contains: '-s"'
Stage 3: selection_other
selection_other:
CommandLine|contains:
- ' -min '
- ' -a '
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
CommandLine | match |
| field:"CommandLine" kind:match |