Invoke-ShareFinder Script Block Execution

calendar Mar 18, 2025 · attack.discovery attack.t1135 dist.public  ·
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Use of Invoke-ShareFinder detected via PowerShell Script Block logging

Sigma rule (View on GitHub)

 1title: Invoke-ShareFinder Script Block Execution
 2id: 5e93e240-5484-458a-9663-18157e01e897
 3status: experimental
 4description: |
 5        Use of Invoke-ShareFinder detected via PowerShell Script Block logging
 6references:
 7    - https://thedfirreport.com/2023-01-23/sharefinder-how-threat-actors-discover-file-shares/
 8    - https://powersploit.readthedocs.io/en/stable/Recon/README/
 9
10author: "The DFIR Report"
11date: 2023-01-23
12modified: 2025-02-07
13tags:
14    - attack.discovery
15    - attack.t1135
16    - dist.public
17logsource:
18    product: windows
19    service: powershell
20    definition: 'Requirements: Script Block Logging must be enabled'
21detection:
22    selection:
23        ScriptBlockText|contains: 'Invoke-ShareFinder'
24    condition: selection
25falsepositives:
26    - Unknown
27level: high

References

  • ShareFinder: How Threat Actors Discover File Shares

    Many of our reports focus on adversarial Tactics, Techniques, and Procedures (TTPs) along with the tools associated with them. After gaining a foothold in an environment, one challenge for all thre…


    Read More

  • README - PowerSploit

    To install this module, drop the entire Recon folder into one of your module directories. The default PowerShell module paths are listed in the $Env:PSModulePath environment variable. The default p...


    Read More

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