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Unwarrented ICMP traffic

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2 replies to this topic

#1 fuzylogic


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Posted 24 July 2009 - 01:20 AM

I am not to worried about this problem except comcast is all over me about my bandwidth usage and threatened to cut me off for an entire year if I exceed their bandwidth cap again. I just went 400GB over in bandwidth usage, so I need to go on a bandwidth diet.

After researching and sampling a few bandwidth monitors, I ran across Net-Peeker (http://www.net-peeker.com/) at bluetack(http://www.bluetack.co.uk)

This program showed me in realtime that my system process was communicating with www.heartbeat.com over the ICMP protocol. Since I have never been to this site and I deemed any data in/outbound unwarranted I blocked the ICMP traffic to and from www.heartbeat.com using Net-Peeker's firewall.

Instantly www.google.com appeared under the system process with in/outbound traffic on the ICMP protocol, I denied in/outbound traffic for that specific google address.

Again instantly www.yahoo.com appears with the same traffic on ICMP, I blocked it, then google reappears from a different address.

I ended up blocking the entire range of addresses(ICMP only) for google and yahoo. www.google.com is unrelenting and Net-Peeker blocks an outbound echo to a random google address almost every 5 minutes.

The rule I created for the firewall is set to block both in/outbound traffic w/googles entire range of addresses, and to alert me when said security event is triggered. The only alerts I receive notify me that an outbound ICMP, type 08: Echo was denied. Never any reference to an inbound ICMP packet

So to start off my questions are:

One: Is this being generated from my computer?

Two: If my computer is instigating this ICMP traffic, How do I eliminate it?

Don't get me wrong I'm not trying to shutdown all in/outbound ICMP traffic, I would just prefer it be generated by me and not some phantom menace lurking on my HD.

here's a screenshot of events triggered, details for System process:
Posted Image

I have run the following programs

mbam(updated) -full scan
turned off systems restore
ran AVG 8.5 (updated) - full scan

All found nothing

System is compaq SR2038x, running XP media center edition(for a proprietary heap, she has served me well.....till now)

Any information is appreciated as I have exhaustively tried to find relative info on this topic. :thumbsup:

Thanks in advance!


Edited by fuzylogic, 24 July 2009 - 01:31 AM.

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#2 CaveDweller2


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Posted 24 July 2009 - 05:40 AM

My advice would be go to this forum and follow the steps to run the scans they ask for and how to post them. That sounds to me like something is trying to "dial home" ie a malware, trojan or virus. I know you've run scans but the peeps in that forum can get you to run deeper scans to see if there is something there. GL =)

Hope this helps thumbup.gif

Associate in Applied Science - Network Systems Management - Trident Technical College

#3 Orange Blossom

Orange Blossom

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Posted 25 July 2009 - 04:19 PM


Now that you have posted a log here: http://www.bleepingcomputer.com/forums/t/244273/weatherbuga-unwarrented-icmp-traffic/ you should NOT make further changes to your computer (install/uninstall programs, use special fix tools, delete files, edit the registry, etc) unless advised by a HJT Team member, nor should you ask for help elsewhere. Doing so can result in system changes which may not show in the log you already posted. Further, any modifications you make on your own may cause confusion for the helper assisting you and could complicate the malware removal process which would extend the time it takes to clean your computer.

From this point on the HJT Team should be the only members that you take advice from, until they have verified your log as clean.

Please be patient. It may take a while to get a response because the HJT Team members are EXTREMELY busy working logs posted before yours. They are volunteers who will help you out as soon as possible. Once you have made your post and are waiting, please DO NOT make another reply until it has been responded to by a member of the HJT Team. Generally the staff checks the forum for postings that have 0 replies as this makes it easier for them to identify those who have not been helped. If you post another response there will be 1 reply. A team member, looking for a new log to work may assume another HJT Team member is already assisting you and not open the thread to respond. Please be patient. It may take a while to get a response but your log will be reviewed and answered as soon as possible

To avoid confusion, I am closing this topic. Good luck with your log.

Orange Blossom :thumbsup:
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