Modification of ld.so.preload

 Original Source: [Sigma source]
Title: Modification of ld.so.preload
Status: test
Description:Identifies modification of ld.so.preload for shared object injection. This technique is used by attackers to load arbitrary code into processes.
References:
  -https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1574.006/T1574.006.md
  -https://eqllib.readthedocs.io/en/latest/analytics/fd9b987a-1101-4ed3-bda6-a70300eaf57e.html
Author: E.M. Anhaus (originally from Atomic Blue Detections, Tony Lambert), oscd.community
Date: 2019-10-24
modified:2021-11-27
Tags:
  • -'attack.privilege-escalation'
  • -'attack.persistence'
  • -'attack.execution'
  • -'attack.stealth'
  • -'attack.t1574.006'
Logsource:
  • product: linux
  • service: auditd
Detection:
  selection:
    type: 'PATH'
    name: '/etc/ld.so.preload'
  condition:selection
Falsepositives:
  -Unknown
Level: high