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blue-team-tools/rules/linux/process_creation/lnx_security_software_discovery.yml
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2021-11-27 11:33:14 +01:00

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title: Security Software Discovery
id: c9d8b7fd-78e4-44fe-88f6-599135d46d60
status: test
description: Detects usage of system utilities (only grep for now) to discover security software discovery
author: Daniil Yugoslavskiy, oscd.community
references:
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1518.001/T1518.001.md
date: 2020/10/19
modified: 2021/11/27
logsource:
category: process_creation
product: linux
detection:
grep_execution:
Image|endswith: '/grep'
security_services_and_processes:
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: grep_execution and security_services_and_processes
falsepositives:
- Legitimate activities
level: low
tags:
- attack.discovery
- attack.t1518.001