Library / Sysinternals
rdcman-x86.exe
Remote Desktop Connection Manager · Microsoft
SysinternalsSysmon-confirmed
OriginalFilename
RDCMan-x86.dll
Differs from file nameNames a DLL
Gotchas
- OriginalFilename names a DLL (
RDCMan-x86.dll), not an executable. Rules expecting.exevalues miss it. - OriginalFilename doesn't match the file name: a rule using
OriginalFileName: rdcman-x86.exenever fires.
Query snippets
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith: '\rdcman-x86.exe'
- OriginalFileName: 'RDCMan-x86.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="RDCMan-x86.dll" OR Processes.process_name="rdcman-x86.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~ ("RDCMan-x86.dll")
or FileName =~ "rdcman-x86.exe"Microsoft Defender XDR advanced hunting. in~ and =~ are case-insensitive.
process where event.type == "start" and
(process.pe.original_file_name in~ ("RDCMan-x86.dll") or
process.name : "rdcman-x86.exe")ECS process.pe.original_file_name is a keyword field: in~ is case-insensitive, Kibana KQL is not.
['rdcman-x86.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 |
|---|---|---|---|---|---|---|
| RDCMan-x86.dll | 1 | x86 | 3.22.0.0 | Sysinternals | ✓ 1 |
All 1 parsed builds
| SHA256 | Version | Arch | OriginalFilename | Windows releases | Signature | Source | Sysmon |
|---|---|---|---|---|---|---|---|
| 07d5e675ce5c… | 3.22.0.0 | x86 | RDCMan-x86.dll | Remote Desktop Connection Manager | Sysinternals | ✓ |
Winbindex builds link to the Microsoft symbol server copy that was hashed and parsed.