mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-06 17:35:19 +00:00
22 lines
621 B
YAML
22 lines
621 B
YAML
title: Decode Base64 Encoded Text
|
|
id: e2072cab-8c9a-459b-b63c-40ae79e27031
|
|
status: experimental
|
|
description: Detects usage of base64 utility to decode arbitrary base64-encoded text
|
|
author: Daniil Yugoslavskiy, oscd.community
|
|
date: 2020/10/19
|
|
references:
|
|
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1027/T1027.md
|
|
logsource:
|
|
category: process_creation
|
|
product: linux
|
|
detection:
|
|
base64_execution:
|
|
Image|endswith: '/base64'
|
|
CommandLine|contains: '-d'
|
|
condition: base64_execution
|
|
falsepositives:
|
|
- Legitimate activities
|
|
level: low
|
|
tags:
|
|
- attack.defense_evasion
|
|
- attack.t1027 |