Copy .DMP/.DUMP Files From Remote Share Via Cmd.EXE

Detects usage of the copy builtin cmd command to copy files with the ".dmp"/".dump" extension from a remote share

Sigma rule (View on GitHub)

 1title: Copy .DMP/.DUMP Files From Remote Share Via Cmd.EXE
 2id: 044ba588-dff4-4918-9808-3f95e8160606
 3status: experimental
 4description: Detects usage of the copy builtin cmd command to copy files with the ".dmp"/".dump" extension from a remote share
 5references:
 6    - https://thedfirreport.com/2022/09/26/bumblebee-round-two/
 7author: Nasreddine Bencherchali (Nextron Systems)
 8date: 2022/09/27
 9modified: 2023/09/12
10tags:
11    - attack.credential_access
12logsource:
13    category: process_creation
14    product: windows
15detection:
16    # Example: copy \\<host>\\<folder>\\process.dmp C:\Users\process.dmp
17    selection_img:
18        - Image|endswith: '\cmd.exe'
19        - OriginalFileName: 'Cmd.Exe'
20    selection_cli:
21        CommandLine|contains|all:
22            - 'copy '
23            - ' \\\\'
24        CommandLine|contains:
25            - '.dmp'
26            - '.dump'
27            - '.hdmp'
28    condition: all of selection_*
29falsepositives:
30    - Unknown
31level: high

References

Related rules

to-top