Sigma rule: HackTool - Rubeus Execution - ScriptBlock

Rule

Title

HackTool - Rubeus Execution - ScriptBlock

Status

test

Level

high

Author

Christian Burkard (Nextron Systems), Florian Roth (Nextron Systems)

Date

2023-04-27

File

rules/windows/powershell/powershell_script/posh_ps_hktl_rubeus.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the execution of the hacktool Rubeus using specific command line flags

Log source

product

windows

category

ps_script

definition

Requirements: Script Block Logging must be enabled

Detection

selection:
    ScriptBlockText|contains:
        - 'asreproast '
        - 'dump /service:krbtgt '
        - 'dump /luid:0x'
        - 'kerberoast '
        - 'createnetonly /program:'
        - 'ptt /ticket:'
        - '/impersonateuser:'
        - 'renew /ticket:'
        - 'asktgt /user:'
        - 'harvest /interval:'
        - 's4u /user:'
        - 's4u /ticket:'
        - 'hash /password:'
        - 'golden /aes256:'
        - 'silver /user:'
condition: selection

False positives (as the rule lists them)

• Unlikely

Tags

• attack.credential-access
• attack.t1003
• attack.t1558.003
• attack.lateral-movement
• attack.t1550.003

MITRE ATT&CK ids this rule names

• T1003
• T1550.003
• T1558.003

Related rules

• 7ec2c172-dceb-4c10-92c9-87c1881b7e18 (similar)

References

• https://blog.harmj0y.net/redteaming/from-kekeo-to-rubeus
• https://m0chan.github.io/2019/07/31/How-To-Attack-Kerberos-101.html
• https://github.com/GhostPack/Rubeus

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/powershell/powershell_script/posh_ps_hktl_rubeus.yml