Library / Windows
dpnsvr.exe
DirectPlay Stub · Microsoft Corporation
WindowsParsed
OriginalFilename
wcodstub.dll
Differs from file nameNames a DLLShared with other binaries
Gotchas
- OriginalFilename names a DLL (
wcodstub.dll), not an executable. Rules expecting.exevalues miss it. - OriginalFilename doesn't match the file name: a rule using
OriginalFileName: dpnsvr.exenever fires. - Same OriginalFilename as
dplaysvr.exe, so OriginalFilename alone can't tell them apart.
Query snippets
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith: '\dpnsvr.exe'
- OriginalFileName: 'wcodstub.dll'
condition: selectionprocess_creation logsource. Sigma string matching is case-insensitive.
| tstats summariesonly=false count values(Processes.original_file_name) as original_file_name
from datamodel=Endpoint.Processes
where (Processes.original_file_name="wcodstub.dll" OR Processes.process_name="dpnsvr.exe")
by Processes.dest Processes.process_name Processes.process_path Processes.process
| rename Processes.* as *Endpoint.Processes data model. On raw Sysmon events the field is OriginalFileName.
DeviceProcessEvents
| where ProcessVersionInfoOriginalFileName in~ ("wcodstub.dll")
or FileName =~ "dpnsvr.exe"Microsoft Defender XDR advanced hunting. in~ and =~ are case-insensitive.
process where event.type == "start" and
(process.pe.original_file_name in~ ("wcodstub.dll") or
process.name : "dpnsvr.exe")ECS process.pe.original_file_name is a keyword field: in~ is case-insensitive, Kibana KQL is not.
['wcodstub.dll'].includes(String(OriginalFileName || '').toLowerCase())Filter expression (JavaScript) for events carrying Sysmon's OriginalFileName field.
Values across builds
| OriginalFilename | Builds | Arch | File version | Windows releases | Source | Sysmon |
|---|---|---|---|---|---|---|
| wcodstub.dll | 2 | x64, x86 | 10.0.26100.4202 | Host scan |
All 2 parsed builds
| SHA256 | Version | Arch | OriginalFilename | Windows releases | Signature | Source | Sysmon |
|---|---|---|---|---|---|---|---|
| 7bacf93d7efd… | 10.0.26100.4202 | x64 | wcodstub.dll | Host scan | |||
| 0a89b5a50312… | 10.0.26100.4202 | x86 | wcodstub.dll | Host scan |
Winbindex builds link to the Microsoft symbol server copy that was hashed and parsed.