title: HackTool - SharpUp PrivEsc Tool Execution
id: c484e533-ee16-4a93-b6ac-f0ea4868b2f1
status: test
description: Detects the use of SharpUp, a tool for local privilege escalation
references:
    - https://github.com/GhostPack/SharpUp
author: Florian Roth (Nextron Systems)
date: 2022-08-20
modified: 2023-02-13
tags:
    - attack.persistence
    - attack.privilege-escalation
    - attack.discovery
    - attack.execution
    - attack.stealth
    - attack.t1615
    - attack.t1569.002
    - attack.t1574.005
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Image|endswith: '\SharpUp.exe'
        - Description: 'SharpUp'
        - CommandLine|contains:
              - 'HijackablePaths'
              - 'UnquotedServicePath'
              - 'ProcessDLLHijack'
              - 'ModifiableServiceBinaries'
              - 'ModifiableScheduledTask'
              - 'DomainGPPPassword'
              - 'CachedGPPPassword'
    condition: selection
falsepositives:
    - Unknown
level: critical

title: Suspicious Reconnaissance Activity Via GatherNetworkInfo.VBS
id: 07aa184a-870d-413d-893a-157f317f6f58
related:
    - id: f92a6f1e-a512-4a15-9735-da09e78d7273 # FileCreate
      type: similar
    - id: 575dce0c-8139-4e30-9295-1ee75969f7fe # ProcCreation LOLBIN
      type: similar
status: test
description: Detects execution of the built-in script located in "C:\Windows\System32\gatherNetworkInfo.vbs". Which can be used to gather information about the target machine
references:
    - https://posts.slayerlabs.com/living-off-the-land/#gathernetworkinfovbs
    - https://www.mandiant.com/resources/blog/trojanized-windows-installers-ukrainian-government
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-02-08
tags:
    - attack.discovery
    - attack.execution
    - attack.t1615
    - attack.t1059.005
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains: 'gatherNetworkInfo.vbs'
    filter:
        Image|endswith:
            - '\cscript.exe'
            - '\wscript.exe'
    condition: selection and not filter
falsepositives:
    - Unknown
level: high

title: Gpresult Display Group Policy Information
id: e56d3073-83ff-4021-90fe-c658e0709e72
status: test
description: Detects cases in which a user uses the built-in Windows utility gpresult to display the Resultant Set of Policy (RSoP) information
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1615/T1615.md
    - https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/gpresult
    - https://unit42.paloaltonetworks.com/emissary-trojan-changelog-did-operation-lotus-blossom-cause-it-to-evolve/
    - https://www.welivesecurity.com/wp-content/uploads/2020/05/ESET_Turla_ComRAT.pdf
author: frack113
date: 2022-05-01
tags:
    - attack.discovery
    - attack.t1615
logsource:
    product: windows
    category: process_creation
detection:
    selection:
        Image|endswith: '\gpresult.exe'
        CommandLine|contains:
            - '/z'
            - '/v'
    condition: selection
falsepositives:
    - Unknown
level: medium
simulation:
    - type: atomic-red-team
      name: Display group policy information via gpresult
      technique: T1615
      atomic_guid: 0976990f-53b1-4d3f-a185-6df5be429d3b
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_gpresult_execution/info.yml

title: Potential Reconnaissance Activity Via GatherNetworkInfo.VBS
id: 575dce0c-8139-4e30-9295-1ee75969f7fe
related:
    - id: f92a6f1e-a512-4a15-9735-da09e78d7273 # FileCreate
      type: similar
    - id: 07aa184a-870d-413d-893a-157f317f6f58 # ProcCreation Susp
      type: similar
status: test
description: Detects execution of the built-in script located in "C:\Windows\System32\gatherNetworkInfo.vbs". Which can be used to gather information about the target machine
references:
    - https://posts.slayerlabs.com/living-off-the-land/#gathernetworkinfovbs
    - https://www.mandiant.com/resources/blog/trojanized-windows-installers-ukrainian-government
author: blueteamer8699
date: 2022-01-03
modified: 2023-02-08
tags:
    - attack.discovery
    - attack.execution
    - attack.t1615
    - attack.t1059.005
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith:
              - '\cscript.exe'
              - '\wscript.exe'
        - OriginalFileName:
              - 'cscript.exe'
              - 'wscript.exe'
    selection_cli:
        CommandLine|contains: 'gatherNetworkInfo.vbs'
    condition: all of selection_*
falsepositives:
    - Administrative activity
level: medium

title: Suspicious GPO Discovery With Get-GPO
id: eb2fd349-ec67-4caa-9143-d79c7fb34441
status: test
description: Detect use of Get-GPO to get one GPO or all the GPOs in a domain.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1615/T1615.md
    - https://learn.microsoft.com/en-us/powershell/module/grouppolicy/get-gpo?view=windowsserver2022-ps
author: frack113
date: 2022-06-04
tags:
    - attack.discovery
    - attack.t1615
logsource:
    product: windows
    category: ps_script
    definition: 'Requirements: Script Block Logging must be enabled'
detection:
    selection:
        ScriptBlockText|contains: Get-GPO
    condition: selection
falsepositives:
    - Legitimate PowerShell scripts
level: low