SigmaHQ/rules/linux/lnx_split_file_into_pieces.yml
2021-04-03 00:08:55 +02:00

27 lines
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YAML

title: 'Split A File Into Pieces'
id: 2dad0cba-c62a-4a4f-949f-5f6ecd619769
status: experimental
description: 'Detection use of the command "split" to split files into parts and possible transfer.'
# For this rule to work execve auditing / file system auditing with "execute access" to specific binaries must be configured
# Example config (place it at the bottom of audit.rules)
# -a always,exit -F arch=b32 -S execve -k execve
# -a always,exit -F arch=b64 -S execve -k execve
author: 'Igor Fits, oscd.community'
date: 2020/10/15
references:
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1030/T1030.md
logsource:
product: linux
service: auditd
detection:
selection:
type: 'SYSCALL'
comm: 'split'
condition: selection
falsepositives:
- 'Legitimate administrative activity'
level: low
tags:
- attack.exfiltration
- attack.t1030