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fix search and conditions in sigma version of batch_file_write_to_sys… #2993

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fix search and conditions in sigma version of batch_file_write_to_sys… #2993

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11 changes: 7 additions & 4 deletions dev/endpoint/batch_file_write_to_system32.yml
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Expand Up @@ -8,11 +8,14 @@ type: TTP
description: The search looks for a batch file (.bat) written to the Windows system
directory tree.
data_source:
- Sysmon Event ID 1
- Sysmon Event ID 11
search:
selection1:
Image|endswith: '*'
condition: selection1
selection:
TargetFilename|endswith: .bat
TargetFilename|contains:
- system32
- syswow64
condition: selection
how_to_implement: To successfully implement this search you need to be ingesting information
on process that include the name of the process responsible for the changes from
your endpoints into the `Endpoint` datamodel in the `Processes` node. In addition,
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