title: SMB Relay Attack Tools
status: test
id: 5589ab4f-a767-433c-961d-c91f3f704db1
description: Detects different hacktools used for relay attacks on Windows for privilege escalation
author: Florian Roth
date: 2021/07/24
modified: 2022/03/03
references:
    - https://attack.mitre.org/techniques/T1557/001/
    - https://foxglovesecurity.com/2016/09/26/rotten-potato-privilege-escalation-from-service-accounts-to-system/
    - https://pentestlab.blog/2017/04/13/hot-potato/
    - https://github.com/ohpe/juicy-potato
    - https://hunter2.gitbook.io/darthsidious/other/war-stories/domain-admin-in-30-minutes
    - https://hunter2.gitbook.io/darthsidious/execution/responder-with-ntlm-relay-and-empire
tags:
    - attack.execution
    - attack.t1557.001
logsource:
    category: process_creation
    product: windows
detection:
    selection_pe:
        Image|contains:
            - 'PetitPotam'
            - 'RottenPotato'
            - 'HotPotato'
            - 'JuicyPotato'
            - '\just_dce_'
            - 'Juicy Potato'
            - '\temp\rot.exe'
            - '\Potato.exe'
            - '\SpoolSample.exe'
            - '\Responder.exe'
            - '\smbrelayx'
            - '\ntlmrelayx'
    selection_script:
        CommandLine|contains:
            - 'Invoke-Tater'
            - ' smbrelay'
            - ' ntlmrelay'
            - 'cme smb '
            - ' /ntlm:NTLMhash '
            - 'Invoke-PetitPotam'
    filter_hotpotatoes:  # known goodware https://hotpot.uvic.ca/
        Image|contains:
            - 'HotPotatoes6'
            - 'HotPotatoes 6'
            - 'HotPotatoes7'
            - 'HotPotatoes 7'
            - 'HotPotatoes Help'
            - 'HotPotatoes Tutorial'
    condition: 1 of selection_* and not 1 of filter_*
falsepositives:
    - Legitimate files with these rare hacktool names
level: critical
