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Basic Information
The Web Services Dynamic Discovery Protocol (WS-Discovery) is a multicast discovery protocol that locates services on a local network.
In WS-Discovery terminology, a Target Service is an endpoint that makes itself available for discovery, whereas a Client is an endpoint that searches for Target Services. Both use SOAP queries over UDP to the 239.255.255.250 multicast address with the destination UDP port 3702.
A Target Service sends a multicast Hello 1 when it joins a network. The Target Service can receive a multicast Probe 2, a message sent by a Client searching for a Target Service by Type, at any time. The Type is an identifier for the endpoint. For example, an IP camera could have NetworkVideoTransmitter as a Type. It might also send a unicast Probe Match3 if the Target Service matches a Probe (other matching Target Services might also send unicast Probe Matches). Similarly, a Target Service might receive a multicast Resolve4 at any time, a message sent by a
Client searching for a Target by name, and send a unicast Resolve Match5 if it’s the target of a Resolve. Finally, when a Target Service leaves a network, it makes an effort to send a multicast Bye 6.
Default port: 3702
PORT STATE SERVICE
3702/udp open|filtered unknown
| wsdd-discover:
| Devices
| Message id: 39a2b7f2-fdbd-690c-c7c9-deadbeefceb3
| Address: http://10.0.200.116:50000
|_ Type: Device wprt:PrintDeviceType
HackTricks in 🐦 Twitter 🐦 - 🎙️ Twitch 🎙️ - 🎥 Youtube 🎥
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Do you work in a cybersecurity company? Do you want to see your company advertised in HackTricks? or do you want to have access to the latest version of the PEASS or download HackTricks in PDF? Check the SUBSCRIPTION PLANS!
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Discover The PEASS Family, our collection of exclusive NFTs
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Get the official PEASS & HackTricks swag
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Join the 💬 Discord group or the telegram group or follow me on Twitter 🐦@carlospolopm.
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Share your hacking tricks by submitting PRs to the hacktricks repo and hacktricks-cloud repo.