sigmahighHunting

Linux Recon Indicators

Detects events with patterns found in commands used for reconnaissance on linux systems

MITRE ATT&CK

reconnaissancecredential-access

Detection Query

selection:
  CommandLine|contains:
    - " -name .htpasswd"
    - " -perm -4000 "
condition: selection

Author

Florian Roth (Nextron Systems)

Created

2022-06-20

Data Sources

linuxProcess Creation Events

Platforms

linux

References

https://github.com/sleventyeleven/linuxprivchecker/blob/0d701080bbf92efd464e97d71a70f97c6f2cd658/linuxprivchecker.py

Tags

attack.reconnaissanceattack.t1592.004attack.credential-accessattack.t1552.001

Raw Content

title: Linux Recon Indicators
id: 0cf7a157-8879-41a2-8f55-388dd23746b7
status: test
description: Detects events with patterns found in commands used for reconnaissance on linux systems
references:
    - https://github.com/sleventyeleven/linuxprivchecker/blob/0d701080bbf92efd464e97d71a70f97c6f2cd658/linuxprivchecker.py
author: Florian Roth (Nextron Systems)
date: 2022-06-20
tags:
    - attack.reconnaissance
    - attack.t1592.004
    - attack.credential-access
    - attack.t1552.001
logsource:
    category: process_creation
    product: linux
detection:
    selection:
        CommandLine|contains:
            - ' -name .htpasswd'
            - ' -perm -4000 '
    condition: selection
falsepositives:
    - Legitimate administration activities
level: high