sigmaDRL-1.1from SigmaHQ/sigma

HackTool - SharpLdapWhoami Execution

Detects SharpLdapWhoami, a whoami alternative that queries the LDAP service on a domain controller

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ATT&CK techniques

T1033

Rule sourcerules/windows/process_creation/proc_creation_win_hktl_sharpldapwhoami.yml

title: HackTool - SharpLdapWhoami Execution
id: d9367cbb-c2e0-47ce-bdc0-128cb6da898d
status: test
description: Detects SharpLdapWhoami, a whoami alternative that queries the LDAP service on a domain controller
references:
    - https://github.com/bugch3ck/SharpLdapWhoami
author: Florian Roth (Nextron Systems)
date: 2022-08-29
modified: 2023-02-04
tags:
    - attack.discovery
    - attack.t1033
    - car.2016-03-001
logsource:
    category: process_creation
    product: windows
detection:
    selection_name:
        Image|endswith: '\SharpLdapWhoami.exe'
    selection_pe: # in case the file has been renamed after compilation
        - OriginalFileName|contains: 'SharpLdapWhoami'
        - Product: 'SharpLdapWhoami'
    selection_flags1:
        CommandLine|endswith:
            - ' /method:ntlm'
            - ' /method:kerb'
            - ' /method:nego'
            - ' /m:nego'
            - ' /m:ntlm'
            - ' /m:kerb'
    condition: 1 of selection*
falsepositives:
    - Programs that use the same command line flags
level: high