HackTool - Hydra Password Bruteforce Execution

Hunt Hypothesis

Detects command line parameters used by Hydra password guessing hack tool

Detection Rule

Sigma (Original)

title: HackTool - Hydra Password Bruteforce Execution
id: aaafa146-074c-11eb-adc1-0242ac120002
status: test
description: Detects command line parameters used by Hydra password guessing hack tool
references:
    - https://github.com/vanhauser-thc/thc-hydra
author: Vasiliy Burov
date: 2020-10-05
modified: 2023-02-04
tags:
    - attack.credential-access
    - attack.t1110
    - attack.t1110.001
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains|all:
            - '-u '
            - '-p '
        CommandLine|contains:
            - '^USER^'
            - '^PASS^'
    condition: selection
falsepositives:
    - Software that uses the caret encased keywords PASS and USER in its command line
level: high

KQL (Azure Sentinel)

imProcessCreate
| where (TargetProcessCommandLine contains "-u " and TargetProcessCommandLine contains "-p ") and (TargetProcessCommandLine contains "^USER^" or TargetProcessCommandLine contains "^PASS^")

Required Data Sources

False Positive Guidance

• Software that uses the caret encased keywords PASS and USER in its command line

MITRE ATT&CK Context

• Tactic: Credential Access
• Technique: T1110 — T1110
• Technique: T1110.001 — T1110.001

References

• https://github.com/vanhauser-thc/thc-hydra
• SigmaHQ Rule