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