HackTool - DInjector PowerShell Cradle Execution

Hunt Hypothesis

Detects the use of the Dinject PowerShell cradle based on the specific flags

Detection Rule

Sigma (Original)

title: HackTool - DInjector PowerShell Cradle Execution
id: d78b5d61-187d-44b6-bf02-93486a80de5a
status: test
description: Detects the use of the Dinject PowerShell cradle based on the specific flags
references:
    - https://web.archive.org/web/20211001064856/https://github.com/snovvcrash/DInjector # Original got deleted. This is a fork
author: Florian Roth (Nextron Systems)
date: 2021-12-07
modified: 2023-02-04
tags:
    - attack.privilege-escalation
    - attack.stealth
    - attack.t1055
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains|all:
            - ' /am51'
            - ' /password'
    condition: selection
falsepositives:
    - Unlikely
level: critical

KQL (Azure Sentinel)

imProcessCreate
| where TargetProcessCommandLine contains " /am51" and TargetProcessCommandLine contains " /password"

Required Data Sources

False Positive Guidance

• Unlikely

MITRE ATT&CK Context

• Tactic: Privilege Escalation
• Technique: T1055 — T1055

References

• https://web.archive.org/web/20211001064856/https://github.com/snovvcrash/DInjector
• SigmaHQ Rule