SigmaHQ/rules/windows/process_creation/win_data_compressed_with_rar.yml
2019-11-12 23:12:27 +01:00

35 lines
969 B
YAML

title: Data Compressed
id: 6f3e2987-db24-4c78-a860-b4f4095a7095
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/T1002/T1002.yaml
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\rar.exe'
CommandLine|contains|all:
- ' a '
- '-r'
condition: selection
fields:
- Image
- CommandLine
- User
- LogonGuid
- Hashes
- ParentProcessGuid
- ParentCommandLine
falsepositives:
- highly likely if rar is default archiver in the monitored environment
level: low
tags:
- attack.exfiltration
- attack.t1002