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Packets with incorrect SYN, ACK and FIN combinations


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trunolimit

trunolimit

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Logfile of HijackThis v1.99.1
Scan saved at 12:05:42 AM, on 10/5/2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Panda Software\Panda Internet Security 2007\TPSrv.exe
C:\Program Files\Panda Software\Panda Internet Security 2007\pavsrv51.exe
C:\Program Files\Panda Software\Panda Internet Security 2007\AVENGINE.EXE
C:\Program Files\Panda Software\Panda Internet Security 2007\Firewall\PNMSRV.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\Panda Software\Panda Internet Security 2007\PavFnSvr.exe
C:\Program Files\Common Files\Panda Software\PavShld\pavprsrv.exe
C:\Program Files\Panda Software\Panda Internet Security 2007\PsImSvc.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Panda Software\Panda Internet Security 2007\apvxdwin.exe
C:\WINDOWS\system32\RunDLL32.exe
C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
C:\Program Files\Panda Software\Panda Internet Security 2007\SRVLOAD.EXE
c:\program files\panda software\panda internet security 2007\WebProxy.exe
C:\Program Files\BitLord\BitLord.exe
C:\WINDOWS\system32\wpabaln.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\explorer.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Ahead\Nero StartSmart\NeroStartSmart.exe
C:\Program Files\Ahead\nero\nero.exe
C:\WINDOWS\system32\imapi.exe
C:\Program Files\Windows Media Player\wmplayer.exe
C:\Documents and Settings\trunolimit\Desktop\HijackThis.exe

O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RunDLL32.exe NvMCTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [APVXDWIN] "C:\Program Files\Panda Software\Panda Internet Security 2007\APVXDWIN.EXE" /s
O4 - HKLM\..\Run: [SCANINICIO] "C:\Program Files\Panda Software\Panda Internet Security 2007\Inicio.exe"
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O20 - Winlogon Notify: avldr - C:\WINDOWS\SYSTEM32\avldr.dll
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Panda Function Service (PAVFNSVR) - Panda Software International - C:\Program Files\Panda Software\Panda Internet Security 2007\PavFnSvr.exe
O23 - Service: Panda Process Protection Service (PavPrSrv) - Panda Software - C:\Program Files\Common Files\Panda Software\PavShld\pavprsrv.exe
O23 - Service: Panda anti-virus service (PAVSRV) - Panda Software International - C:\Program Files\Panda Software\Panda Internet Security 2007\pavsrv51.exe
O23 - Service: Panda Network Manager (PNMSRV) - Panda Software International - C:\Program Files\Panda Software\Panda Internet Security 2007\Firewall\PNMSRV.EXE
O23 - Service: Panda IManager Service (PSIMSVC) - Panda Software - C:\Program Files\Panda Software\Panda Internet Security 2007\PsImSvc.exe
O23 - Service: Panda TPSrv (TPSrv) - Panda Software - C:\Program Files\Panda Software\Panda Internet Security 2007\TPSrv.exe

as you can see from my log i am running panda. i love panda it is the best protection i've tried. anyway i am a bittorent junky. my comp is constantly on but i was haveing this problem were if my comp was on for a long time my firefox or Ie Explorer would not load up web pages. all the pages would come up as blank. so here comes the panda and boom problem solved...sort of. now every like 10 minutes i get a TCP flaged alert. i check the report and it says Packets with incorrect SYN, ACK and FIN combinations. then it has a source with and ip adress on it.

i had a couple of questions. first off should i be worried. does this mean someone is trying to hack into my pc. what exactly is going on, whats a Syn Ack and Fin. I'd appreciate any and all info on this. I realize that the WinsockXPfix you guys supply would help fix the not being able to go online but i'd like to know whats going on behind the scene.
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