??????????????????,????????????????,??????

1
?8? ????

• ????

2
??

• 8-1 ?????????
• 8-2 ??????
• 8-3 ?????????
• 8-4 ????,?????
• ?????

3
8-1 ?????????

• 8-1.1 ??????
• 8-1.2 ????

4
8-1 ?????????

• ??????????????????,????????????????,??????,?????
  ????????????????????,?????????????????????????????
  
• ??????????,??????,???????????

5
8-1.1 ??????

• ????????,???????????????????,????????,??????????,?
  ?????
• ????????????????????,????????????????????????????
  ???,??????????????

6
?????????????????????

• ???????????????????????????,??????????,??????????
  ??,???????????
• ????????????????????,?????????,???????????????,??
  ????????,???????
• ??????????????,?????????????
• ????????????????????,???????????,????????????????
  ??
• ????????????????????????????
• ???????????????????????????????????????????????
  ?

7
8-1.2 ????

• ?????????????????????,????????,??????????????????
  ???????????,??????????????,???????????

8
??????????????

1. ?????????????????????????,?????????,?????,???????
   ???
2. ???????????????????,???????????????,?????????????
   ??
3. ????????????????????????,?????????????????????,??
   ??????????,????E-mail??????????,????????,???????
4. ?????????????????,????????????????????
5. ????????????????????????
6. ????????????????????????????,?????????????????
7. ?????????????????????,??????????????

9
???????????

• ??????
• ??????
• ??????

10
??????

• ?????????????,?????????????,????????,????????????,
  ????????????????????????,???????

11
??????

• ????????????????????,??????????????????,??????,???
  ?????????????,???????????,??????????????
• ??????????????????????????????????,??????????????
  ?,?????????????????????????
• ???????,?????????????

12
??????

• ??????????????????,??????????,??????,?????????????

13
8-2 ??????

• 8-2.1 ??????
• 8-2.2 ??????
• 8-2.3 ????????????
• 8-2.4 ??????????

14
8-2 ??????

• ??????,????????????????????,??Internet?????,????
  ??????,????????
• ????????????,????????????????????????,?????????

15
8-2.1 ??????

• ??????,??????????????????,??????????????,?????????
  ??,???????????????????????,???????,????????????,??
  ???????,???????????

16
????????????

• ?????????????????????????????
• ????????????????????,?????????,??????????????????
  ?.exe???
• ?????????????,??????????????,?????????????????
• ??????????????????????,?????????

17
????????????????

• ??????,???????????,?????????????,????????????,????
  ????,????????????????,??????????,???????????????
  ?????
• ?????????????,????????????????,?????????,????????
  ??????

18
???????

• ?????
• ?????
• ?????
• ????
• ???????
• ?????

19
?????

• ?????????????????????(Boot-sector),???????????????
  ?
• ???????????????????,???????????,??????????????????
  
• ????????(Monkey)?????(Disk Killer)???(stoned)?????
  (Aircop)??

20
?????

• ??????????.com?.exe????????,???.sys?.dll?.bin?????
  ?????,??????????????????????
• ? ???????????,??????????????
• ? ???????.com?.exe?.sys???,?????????,?????????
• ?????????Connie???????(Jerusalem )?????

21
?????

• ???????????????????,????????,?????????,???????????
  ,????????????????,????????
• ??Tequila(???)?????(Hammer)???

22
????

• ??????????????????????,??Word?Excel??
• ??????????,?????????????????,?????????????NO.1????
  ?

23
????????????

• ???????????????,???DOS??????????????
• ???????????,????????????????,??????,????????.com??
  Whale?????2 Bytes?Flip???

24
(No Transcript)
25
???????????,????????,??????

1. ?????????????????????,?????????,????????????,?????
   ?????,???????????????????
2. ??????????????????,?????????????,??????????,??????
   ??
3. ????????,????????,??????????????????,????????????
4. ?????????????????????,????????????

26
8-2.2 ??????

• ????????????,??????????E-mail????,????????????????
  ???????,??????????

27
?????????????????????-1

• ??????????????????????,?????????,?????????????????
  ,??????????,??????????????,??????,??????????????
  ?????????
• ??????????????????

28
?????????????????????-2

• ??????????,????????????????,????????????????????,?
  ?????????,???????????????,??????????????????,?????
  ????
• ??????????????

29
?????????????????????-3

• ??????????,????????????,?????????????????,???E-mai
  l?????,??E-mail???????????????
• E-mail????????????

30
8-2.3 ????????????

• ????????????????????,?????????,???????????????????
  ??????,??????????,??????????????,?????????????????
  ?????????

31
??????????????????

1. ???????,???????????????,?????????????????
2. ????????CPU?????????
3. ?????????????,?????????
4. ?????????????
5. ????????????????????????????
6. ????????????????
7. ?????,????????

32
??????

• ????????????,?????????????,???????????????????????
  ????

33
???????

• ???,????????????????????,?????????,?????????????,?
  ????

34
??Nimda(????)

• 2001?9??????Nimda(????),??????(Trojan)
  ??,????Internet?E-mail?????,???????????????????
• ???,???Windows?????,????????????????,?????????????
  ???,??????E-mail?????
• ?????????,??????????????,?????System.ini?

35
??Happy Time

• ??VBS ???,??E-mail??????
• ????????????????,???E-mail?????,??????????????????
  ?

36
??1701/1704??(????)

• ??????????????,??????????,???????,????????????,???
  ???????????,??????????,??????????

37
????NO.1????

• ??????Word??????,????????????????
• ????????13???,??13???Word,????????,???,?????20????
  ?,????????

38
??Sircam(????)

• ?PE?????,???32?????,???????????????,??.doc?.bat?
  .exe??
• ??????E-mail????????,????????,????E-mail?????,????
  ??????????????,??????????,????????????,?????????,?
  ???????????????,???????,??Sircam?????????

39
??CIH(???)

• 1998????????,??????,??????????,???????
• ????1.2?1.3?????????????????,?1.4????????????????
• ????????????????????????,??????FTP?,????????????

40
??Melissa(?????)

• ?????????,??????E-mail?????,??????????????Word???,
  ?????????,?Word????????????????,??????????????,???
  Word?Normal.dot????,?????????,???Outlook,????????E
  -mail??????50??????
• ???????????????E-mail,????????(E-mail
  Server)????????

41
??I Love You??

• ??Loveletter????,??VBS???,???????E-mail???,???????
  ??????????????,???????????????????????,???????????
  ???????????
• I Love You???????????,VBS_COLOMBIA???????????I
  Love You????,????E-mail?????,????????,????????????
  ???,??JPEG?MP3?VBS?CSS??????,??????VBS?????,????
  ????????,??????????

42
????????

• ??????????????,???????????,??????.exe?.com???,??
  ?????????????,?????,???????AIDS?SUMSDOS??????
  ???????(Friday)??
• ????????????????Friday???????,??????????????
  ?????????,?????????????????????????,??????

43
??Monkey(????)

• ???????,?????????????????,?????,??????????????,???
  ???????,????????????????
• ?????????,???????C??????

44
??????? Disk Killer

• Disk Killer????????,?????????????,??????48??,???
  ???????????????????????,??,??????????,?????????
  ????

45
???????

• ????(W32.Blaster.Worm)????????,?????Windows???????
  ,????????TCP????135???,?????????????(Remote
  Procedure Call)??,????????????????????????????????
  ??????
• ????Windows 2000?XP?2003???NT 4.0?????????,???????
  ????,??????????????????,????????????????

46
8-2.4 ??????????

• ??????????????,??????????????,?????,?????????
• ???????????,??????????,????????????,?????????,????
  ???????????,????????????????

47
????????????-1
48
????????????-2
49
????????????-3
50
????????

• ????????,?????????
• ???????,???????????????,??????????????????????????
  ?????
• ???????????????????,?????????Norton
  AntiVirus?PC-cillin?McAfee VirusScan??????

51
Norton AntiVirus

• Norton AntiVirus????????????????,???????2006???,??
  ???????????E-mail???????????????????????????????
• ????,Norton AntiVirus 2006????????????????????????
  ?,????????????????,?????????????????,????????????,
  ?????????????????????

52
PC-cillin

• PC-cillin????????????????,???????2006???,???Norton
  AntiVirus????,??????POP3?Web Mail
  Service??????????????????
• ????,PC-cillin 2006??????????????,????????????????
  ??????????????????????????????,?????????????????
  ?????????????

53
McAfee VirusScan

• McAfee VirusScan????????(Network
  Associates)????????,???????2006 10.0????
• McAfee VirusScan???????????????,????????????,?????
  ????,?????????????,???????????????????????????????
  ????CD-ROM??????,????PDA??????????

54
McAfee VirusScan??????????????????,????

1. WormStopper???????????????????,???????E-mail?????
   ???
2. ScriptStopper????????????????????????????,??I
   Love You???
3. ?????????????????????????????????????????,???????
   ???????????????????
4. ??????????????????????,??????????????????ActiveX?
   ???Java Applet???,???????????,????????????????????
   
5. ????????????McAfee????????????????????????,??????
   ????????????,??????,???????????????????

55
8-3 ?????????

• 8-3.1 ???????????
• 8-3.2 ?????????
• 8-3.3 ???

56
8-3 ?????????

• ?????????????,??????????,???????????????,???????,?
  ???????????,???????????

57
8-3.1 ???????????

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

58
??????Windows??

• ?????Windows??,????????,?????????,????????????????
  ????????,????????,???????????IP??,??????Windows???
  ,????????????
• ?????????,?????????????

59
???????????

• ????????????????,?????????????????????????????????
  ?,??????????????
• ?????????????????,????Admin?Administrator?Guest?Us
  ers???????,????123456?abcde?111111????????????
  ??,??????????,???????25?
• ?????,????????????,?????????,????????????????

60
????????

• ?????????????,??????????????,???Windows?Linux?????
  ????
• ?????????????????,???????,???????????????
• ????????????????????????,??????????Windows
  XP?2000?Server 2003,?????????????,??????????????,W
  indows 2000?SP2(Service Pack 2)?SP3?Windows
  XP?SP2(Service Pack 2)???,???????????????????

61
??????

• ????????????,?????????????????????????????????????
  IP??,????SMTP???(??Yahoo Mail)?????(?????????IP),
  ???????????????,?????????
• ?????????????,??????????????,??????????????,??????
  ??,??????????,??????

62
????????

• ?????(Trojan Horse)?????????,????????????,????????
  ????
• ????????????,?????????,?????,???????????????????
  ??,????????????,?????????????????????????????????
  ?
• ???????????????????????????Windows???????????????,
  ?????E-mail????,???????????(???????????),???????F
  TP????????

63
8-3.2 ?????????

• ?????????????,???????????,?????????????,??????????
  ,???????,?????????
• ??????????,???????????????,????????????????IP???
  ????????????,????????????????
• ???????????????,??????????!????????????,??????????
  ??????????????

64
???

• ???(Firewall)?????????,????Internet??????????,????
  ???????????????????,????????????????????,?????????
  ????,???????????????
• ??????,?????????,?????????????,Windows
  XP??????????,?????????(Internet Connection
  Firewall,??ICF),????????????,????????????
• ???????????????(??PC-cillin),??????????????,?????
  ??????

65
??????

• ??????(Intrusion Detection System,??IDS)??????????
  ????????(??Dragon?RealSecure),????????????????,??
  ?????????,?????????????????

66
8-3.3 ???

• ???(Firewall)????????(Secure Gateway),????????????
  ????,????????Gateway,????????????????????
• ??????????????,????????????????

67
?????????????????????

• ???????????????????????????????????,??????????????
  ,???,???????????,?????????????????,??????????

68
???????????

• ??????????,??????(Router)?????(???)????????????,??
  ????????????????????????????????,??UNIX?Linux?Win
  dows 98?Windows 2000?Windows XP?Windows Server
  2003??
• ??????????????,?????????????,????????????????????
  ??????????????????????IP?????????DNS??????????????
  ??

69
(No Transcript)
70
8-4 ????,?????

• ????????????????????????????????,?????????????????
  ,??????????????????????,????????,???????????,?????
  ????????,????????????????????,?????????????,??????
  ?
• ????????????????????????,?????????????????,???????
  ????????

71
?????????-1

• A????????????????????????????????????,???????????
  ??,???????????????????,??????????????
• B?????????????????????,????????????????,?????????
  ??????????????,??????????????????????,????????????
  ??????????????

72
?????????-2

• C??????????(Windows Update) ?

73
????????

• ??????????????,???????????????

74
????????

• ????????????????????,?????????????????????????????
  ????,??????????????????????????????

75
??Windows???????

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

76
????????????????????????

• ?????????????,????????????????????????????
• ??,????????????????????????????,??????????????

77
??????????

• ???????????????????????,??????(???????)?

78
??????????????

• ???????,??????????????????,???????????????????????
  ??????????

79
??????????

• ????????,?????????,???????????????????????

80
??????????????

• ????????????????????????,???????????????,?????????
  ??????
• ??????????????????????????

81
?????????????????

• ??????????????,????????????????????????????

82
????????
83
????????
84
????????
85
????????
86
????????