Suspicious Get Information for SMB Share

Adversaries may look for folders and drives shared on remote systems as a means of identifying sources of information to gather as a precursor for Collection and to identify potential systems of interest for Lateral Movement. Networks often contain shared network drives and folders that enable users to access file directories on various systems across a network.

Sigma rule (View on GitHub)

 1title: Suspicious Get Information for SMB Share
 2id: 95f0643a-ed40-467c-806b-aac9542ec5ab
 3status: test
 4description: |
 5    Adversaries may look for folders and drives shared on remote systems as a means of identifying sources of information to gather as
 6    a precursor for Collection and to identify potential systems of interest for Lateral Movement.
 7    Networks often contain shared network drives and folders that enable users to access file directories on various systems across a network.    
 8references:
 9    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1069.002/T1069.002.md
10author: frack113
11date: 2021/12/15
12modified: 2022/12/25
13tags:
14    - attack.discovery
15    - attack.t1069.001
16logsource:
17    product: windows
18    category: ps_script
19    definition: 'Requirements: Script Block Logging must be enabled'
20detection:
21    selection:
22        ScriptBlockText|contains: get-smbshare
23    condition: selection
24falsepositives:
25    - Unknown
26level: low

References

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