SigmaHQ/rules/linux/auditd/lnx_data_compressed.yml
2020-09-13 22:03:04 -06:00

31 lines
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YAML

title: Data Compressed
id: a3b5e3e9-1b49-4119-8b8e-0344a01f21ee
status: experimental
description: An adversary may compress data (e.g., sensitive documents) that is collected prior to exfiltration in order to make it portable and minimize the amount of data sent over the network
author: Timur Zinniatullin, oscd.community
date: 2019/10/21
modified: 2019/11/04
references:
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1560.001/T1560.001.yaml
logsource:
product: linux
service: auditd
detection:
selection1:
type: 'execve'
a0: 'zip'
selection2:
type: 'execve'
a0: 'gzip'
a1: '-f'
selection3:
type: 'execve'
a0: 'tar'
a1|contains: '-c'
condition: 1 of them
falsepositives:
- Legitimate use of archiving tools by legitimate user
level: low
tags:
- attack.exfiltration
- attack.t1560.001