Port 5357 Hacktricks High Quality

is used by the Web Services for Devices API (WSDAPI) , a Microsoft protocol for discovering and communicating with devices like printers and scanners over HTTP in local networks. PentestPad

The machine on Port 5357 had just introduced itself. It wasn't just a workstation; LEDGER-DC01 was a Domain Controller. The most sensitive machine in the entire infrastructure, the keys to the kingdom, was responding to anonymous queries on a port that should have been firewalled. port 5357 hacktricks

ntlmrelayx.py -tf targets.txt -smb2support is used by the Web Services for Devices

curl http://<target>:5357/

Port 5357 is used by the Web Services for Devices (WSD) API — a Microsoft implementation that allows networked devices (printers, scanners, cameras, IoT appliances) and Windows hosts to discover and communicate with each other over HTTP-like endpoints. Because WSD exposes device management and discovery functionality, misconfigured or exposed WSD endpoints can reveal device information, let administrators or services be manipulated remotely, or provide an entry point for lateral movement. The most sensitive machine in the entire infrastructure,