Had a Denail-of-Service flood attack. Bit worried.

Soldato
Joined
5 Jul 2005
Posts
2,985
Well I had a Denial-of-Service flood attack today. I had a couple in the space of a few minutes. Comodo described it as 'DDOS Attack (SYN Flood). Duration 20 seconds. # of parckets 89. # of attackers 263', and reeled of a load of ip addresses. It then went into emergency mode. I noticed it when I couldn't access the net and the lights on my router were going frantic, but I wasn't downloading anything. I only chanced into the Comodo log and saw what was happening.

I immediately switched off the router and scanned my PC using Avast, Ad-Aware, Spyware terminator and Spybot, but it didn't find anything.

The logged also stated that I had a number of high attacks involving svchost.exe (Application was c:\windows\system32\services.exe)

This has really worried me. Why has my computer been targeted and how has this happened. I thought DOS attacks were only targeted at big servers. Why was my PC targeted and whats the svchost.exe problems?

I was using uTorrent at the time, could this have caused a problem?
 
Im guessing it has either a) something to do with uTorrent having tons of people trying to connect to download a file from you and your firewall thinking this was a DDOS or b) more unlikely the wrong IP address (yours) has been targeted. But i'd guess it more likely to be to do with a)
 
Energize said:
Utorrent will be the problem.

Most likely. Just out of curiosity what router are you using? Had it been a random DDOS, your router would have prevented it from reaching your pc so it'd most likely be software on your PC which triggered this.
 
Well I've been using uTorrent ok for the last 4 months so what could have triggered this now? My router is a cheapo freebie that I got from my ISP. Its a Zyxel Prestige660R-61C.
 
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