Threat Level: green Handler on Duty: Didier Stevens

SANS ISC: Port 5050 (tcp/udp) Attack Activity Port 5050 (tcp/udp) Attack Activity

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Port Information
Protocol Service Name
tcp mmcc multimedia conference control tool
udp mmcc multimedia conference control tool
UDP [ICS] Telvent OASyS DNA [ICS] Telvent OASyS DNA
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User Comments
Submitted By Date
A Viewer 2012-12-31 13:41:01
This is used as a port for the Unity game BeGone (, example address:
Jer 2006-12-22 13:57:10
this port showed up for me when I just did nmap on a friends IP. she's using MSN messenger, which showed me her IP during a file transfer.
2004-09-09 06:59:01
Yahoo Instant Messenger uses this.
Other uses of this port. 2002-12-22 02:05:58
I have been locking down ports at home that I don't want the network to gain access to and have used this port to lock down the Yahoo Messenger service, it seems that this program tries very hard to try and make a connection to the internet. I have watched this program attempt to use Ports 5050, 23, 80 to gain access to internet.
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