Detectionmediumtest

Transferring Files with Credential Data via Network Shares - Zeek

Transferring files with well-known filenames (sensitive files with credential data) using network shares

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Launch
@neu5ron, Teymur Kheirkhabarov, oscd.communityCreated Thu Apr 02Updated Sat Nov 272e69f167-47b5-4ae7-a390-47764529eff5network
Log Source
Zeek (Bro)smb_files
ProductZeek (Bro)← raw: zeek
Servicesmb_files← raw: smb_files
Detection Logic
Detection Logic1 selector
detection:
    selection:
        name:
            - '\mimidrv'
            - '\lsass'
            - '\windows\minidump\'
            - '\hiberfil'
            - '\sqldmpr'
            - '\sam'
            - '\ntds.dit'
            - '\security'
    condition: selection
False Positives

Transferring sensitive files for legitimate administration work by legitimate administrator

Rule Metadata
Rule ID
2e69f167-47b5-4ae7-a390-47764529eff5
Status
test
Level
medium
Type
Detection
Created
Thu Apr 02
Modified
Sat Nov 27
Path
rules/network/zeek/zeek_smb_converted_win_transferring_files_with_credential_data.yml
Raw Tags
attack.credential-accessattack.t1003.002attack.t1003.001attack.t1003.003
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