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08.15.2008 at 10:35AM PDT, ID: 23652008
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7.6

Searching for a reliable means of determining what program is making a broadcast to a specific port - tcpview is inadequate

Asked by bslorence in Networking Security Vulnerabilities, Windows XP Operating System, User Datagram Protocol (UDP)

Tags:

We have reason to suspect that some malicious software has made it onto one of the XP computers on our network, but is not being detected by our anti-virus software; UDP broadcasts are being sent out from the infected computer to 255.255.255.255 on port 6000 at fairly regular intervals, but from the suspect computer only. We have used sysinternal's rootkit revealer as well as autoruns in an attempt to locate some malicious software, but neither of them offered any leads; right now we are attempting to track down the program that is sending the requests by tying the udp broadcasts to a program. So far, however, we have had no luck.

We have tried tcpview, but the refresh rate is too slow to catch the broadcasts; besides, there isn't any logging feature. We have also tried tcpvon in a batch job, but also fails to catch the broadcasts. PC Tools Firewall Plus does a decent job of logging programs and the ports they use, but fails to detect the sender as a unique program - although it does log the packets as they are sent out.

We have also tried googling for port 6000, but couldn't find any relevant results.

Can anyone suggest a way to figure out what program might be sending these broadcasts?Start Free Trial
 
Keywords: Searching for a reliable means of deter…
Title
1 rootkit remover
2 rootkit?
3 Rootkits?
4 Rootkit detected by RootkitBuster...…
5 Possible Rootkit infection
6 ROOTKIT REVEALER LOG
 
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[+][-]08.15.2008 at 11:59AM PDT, ID: 22240804

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[+][-]08.15.2008 at 12:00PM PDT, ID: 22240821

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[+][-]08.15.2008 at 12:10PM PDT, ID: 22240899

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[+][-]08.15.2008 at 12:17PM PDT, ID: 22240949

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[+][-]08.15.2008 at 12:32PM PDT, ID: 22241085

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About this solution

Zones: Networking Security Vulnerabilities, Windows XP Operating System, User Datagram Protocol (UDP)
Tags: network udp ip ethernet
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Solution Provided By: bslorence
Participating Experts: 2
Solution Grade: A
 
 
 
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