??????????Client/ Server?? - PowerPoint PPT Presentation

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??????????Client/ Server??

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Title: ??????????Client/ Server??


1
????
  • ?????
  • ????
  • ???
  • ???

2
??
  • 1.?????????
  • 2.??????????
  • 3.?????
  • 4.?????
  • 5.???????????

3
????????
  • ??????????Client/ Server??
  • ???????????????Server??
  • ???????Client??????????

4
??????????
  • ????????????
  • 1.????
  • 2.??????
  • 3.????
  • 4.?????
  • 5.Windows????

5
??????????
  • ?????????,????????,????????????????
  • ??????????Windows?????????????

6
  • 1.?Win.ini??? ?Win.ini?windows????????"load
    "?"run",?????? ""??????,???????,????????
    runc\windows\file.exe loadc\windows\file.ex
    e
  • file.exe ???????

7
  • 2.?System.ini??? System.ini??Windows??????,?bo
    ot???shellExplorer.exe????????????,?????????????
    ??shellExplorer.exefile.exe??????file.exe???????
    ??!

8
  • 3.?????????
  • ???????????
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\Curr
    entVersion\Run
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Curr
    entVersion\RunServices
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre
    ntVersion\Run
  • HKEY_USERS\.Default\Software\Microsoft\Windows\Cur
    rentVersion\Run

9
  • ?? HKEY_CLASSES_ROOT\txtfile\shell\open\command???
    ?
  • ?C \WINDOWS \NOTEPAD.EXE 1??C\WINDOWS\SYSTEM
    \SYSEXPLR.EXE 1,???????TXT??,????NOTEPAD????,???
    ???????????????????TXT?,????HTML,EXE,ZIP??????????
    ???????,?????????????????,TXT?txtfile,ZIP?WINZIP
    ,???????????

10
  • 4.???????????
  • ??????Explorer.exe,??Explorer.exe???,??????????
    ???????????,??????????????????????,???Explorer.exe
    ,???????!??????????Explorer.exe???????,???????????
    ?????????Copy???????

11
  • 5.??????????(VXD)????? ??? (DLL)??????
  • ????????DLL???????DLL,?????????????????????,??
    ????????????????DLL,???????????????????????????,DL
    L?????????DLL????,???????????????,????????????????
    ???????????????,????????,????Process,?????????????


12
?????
  • ????,????????????????????????????????????????????,
    ???E-MAIL,IRC?ICO???????????
  • ??????IP Address ???port
  • ????????????

13
  • ???????,???????????????????
  • ??????????????????????????????,????????????????
    ??????????????????????????,??????????

14
  • (1)????
  • ??????????????,?????????????????,?????????,
    ?????????
  • (2)????
  • ?????WINDOWS????????????

15
  • (3)???????????????????,????,???????,??,??
  • (4)????
  • ??????????????,?????????,????????,??,?????????,??
    ??????

16
?????
  • 1.???
  • 2.?????
  • 3.?????
  • 4.??????
  • 5. DoS????
  • 6.????

17
??????
  • ??msconfig????System.ini ??
  • ??msconfig????win.ini??
  • ??msconfig????????

18
??????
  • ??regedit???????
  • ??PID????????
  • (??????????)
  • 1.??????????????????
  • 2.?? ??-gt?? ?PID?????
  • 3.???????? netstat ano p tcp
  • 4. ???????PID??????????

19
?????????
  • 1.??
  • ????????? Trojan Remover
  • ?????????? Spybot-SD
  • ???????
  • 2.??????????????
  • ???????? Unlocker
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