title: Security Software Discovery - Linux
id: c9d8b7fd-78e4-44fe-88f6-599135d46d60
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:
# You can add more grep variations such as fgrep, rgrep...etc
- '/grep'
- '/egrep'
CommandLine|contains:
- 'nessusd' # nessus vulnerability scanner
- 'td-agent' # fluentd log shipper
- 'packetbeat' # elastic network logger/shipper
- 'filebeat' # elastic log file shipper
- 'auditbeat' # elastic auditing agent/log shipper
- 'osqueryd' # facebook osquery
- 'cbagentd' # carbon black
- 'falcond' # crowdstrike falcon
condition: selection
falsepositives:
- Legitimate activities
level: low