Security Software Discovery - Linux

Title: Security Software Discovery - Linux
Status: test
Description:Detects usage of system utilities (only grep and egrep for now) to discover security software discovery
References:
  -https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1518.001/T1518.001.md
Author: Daniil Yugoslavskiy, oscd.community
Date: 2020-10-19
modified:2022-11-27
Tags:

• -'attack.discovery'
• -'attack.t1518.001'

Logsource:

• category: process_creation
• product: linux

Detection:
  selection:
    Image|endswith:
      -'/grep'
      -'/egrep'

    CommandLine|contains:
      -'nessusd'
      -'td-agent'
      -'packetbeat'
      -'filebeat'
      -'auditbeat'
      -'osqueryd'
      -'cbagentd'
      -'falcond'

  condition:selection
Falsepositives:
  -Legitimate activities
Level: low