win:security 5145
Network Share Checked
- Log source
- Windows Security event log
- Host type
- Windows (workstation, member server, domain controller)
- How to enable
- Advanced Audit Policy: Object Access > Audit Detailed File Share
- Audit category
- Object Access
- Audit subcategory
- Audit Detailed File Share
- Tier, host type
- Minimum
- Techniques
- 7
- Rules depending on it
- Splunk 6, Sigma 19, Elastic 8, Microsoft Sentinel 2
Why this tier
DISA STIG (workstation); Microsoft audit baseline (dc); Microsoft audit baseline (server); Microsoft audit baseline (workstation); NSA
By role
| Role | Tier | Basis |
|---|---|---|
| Windows workstation | Minimum | DISA STIG (workstation); Microsoft audit baseline (workstation); NSA |
| Windows member server | Minimum | Microsoft audit baseline (server); NSA |
| Windows domain controller | Minimum | Microsoft audit baseline (dc); Microsoft audit baseline (server); NSA |
| Windows web server (IIS), internet-facing | Minimum | Microsoft audit baseline (server); NSA |
Techniques it helps detect
Rules that depend on it
Splunk 6
- Executable File Written in Administrative SMB Share
- High Frequency Copy Of Files In Network Share
- PetitPotam Network Share Access Request
- Windows Administrative Shares Accessed On Multiple Hosts
- Windows Alternate Data Stream Created Over Local Share
- Windows Scheduled Task Created in a Group Policy Object
Sigma 19
- BlueSky Ransomware Artefacts by j4son
- CVE-2021-1675 Print Spooler Exploitation IPC Access by INIT_6
- DCERPC SMB Spoolss Named Pipe by OTR (Open Threat Research)
- DCOM InternetExplorer.Application Iertutil DLL Hijack - Security by Roberto Rodriguez @Cyb3rWard0g, Open Threat Research (OTR)
- First Time Seen Remote Named Pipe by Samir Bousseaden
- Impacket PsExec Execution by Bhabesh Raj
- Persistence and Execution at Scale via GPO Scheduled Task by Samir Bousseaden
- Possible Impacket SecretDump Remote Activity by Samir Bousseaden, wagga
- Possible PetitPotam Coerce Authentication Attempt by Mauricio Velazco, Michael Haag
- Protected Storage Service Access by Roberto Rodriguez @Cyb3rWard0g
- Remote Service Activity via SVCCTL Named Pipe by Samir Bousseaden
- Remote Task Creation via ATSVC Named Pipe by Samir Bousseaden
- SMB Create Remote File Admin Share by Jose Rodriguez (@Cyb3rPandaH), OTR (Open Threat Research)
- Startup/Logon Script Added to Group Policy Object by Elastic, Josh Nickels, Marius Rothenbücher
- Suspicious Access to Sensitive File Extensions by Samir Bousseaden
- Suspicious PsExec Execution by Samir Bousseaden
- T1047 Wmiprvse Wbemcomn DLL Hijack by Roberto Rodriguez @Cyb3rWard0g, Open Threat Research (OTR)
- Transferring Files with Credential Data via Network Shares by Teymur Kheirkhabarov, oscd.community
- Windows Network Access Suspicious desktop.ini Action by Tim Shelton (HAWK.IO)
Elastic 8
- Active Directory Forced Authentication from Linux Host - SMB Named Pipes
- Potential Kerberos Relay Attack against a Computer Account
- Potential Machine Account Relay Attack via SMB
- Potential NTLM Relay Attack against a Computer Account
- Protected Storage Service Access via SMB
- Scheduled Task Execution at Scale via GPO
- Startup/Logon Script added to Group Policy Object
- Suspicious Remote Registry Access via SeBackupPrivilege
Standards and guidance naming it
| Requirement | Relation | Basis |
|---|---|---|
| OMB M-26-14: Object and data eventsAppendix B item 5(3) | Supports an activity | our analysis: network share object access |
| OMB M-26-14: Data affectedAppendix B item 5(9) | Supports an activity | our analysis: share object access |
| OMB M-26-14: Attack vectors and lateral movementAppendix B item 5(10) | Supports an activity | our analysis: admin share and named pipe access |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows 11 V2R11 (2026-10-05) | Names this event | WN11-AU-000570 (workstation): Audit Detailed File Share Failure |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows 10 V3R6 (2026-01-23) | Names this event | WN10-AU-000570 (workstation): Audit Detailed File Share Failure |
| NSA: Recommended Windows events to forwardEvent Forwarding Guidance (RecommendedEvents.csv) | Names this event | Network Policy: Network Share Checked |