An Toan Mang May Tinh - Bai 2a

Trng i Hc Cng Ngh Thng TinTrng i Hc Cng Ngh Thng TinKhoa Mng My Tnh v Truyn ThngKhoa Mng My Tnh v Truyn Thng g y y g g y y g

AN TONAN TONAN TON AN TON MNG MY TNH MNG MY TNH

ThS. T Nguyn Nht QuangThS. T Nguyn Nht Quang

NI DUNG MN HCNI DUNG MN HCNI DUNG MN HCNI DUNG MN HC1.1. Tng quan v an ninh mngTng quan v an ninh mngg q gg q g2.2. Cc phn mm gy hiCc phn mm gy hi3.3. Cc gii thut m ho d liuCc gii thut m ho d liug g 4.4. M ho kho cng khai v qun l khoM ho kho cng khai v qun l kho5.5. Chng thc d liuChng thc d liu6.6. Mt s giao thc bo mt mngMt s giao thc bo mt mng7.7. Bo mt mng khng dyBo mt mng khng dy8.8. Bo mt mng vnh aiBo mt mng vnh ai9.9. Tm kim pht hin xm nhpTm kim pht hin xm nhp

ATMMT ATMMT -- TNNQTNNQ 22

BI 2BI 2

CC PHN MM GY HICC PHN MM GY HI

A. TROJAN V BACKDOORA. TROJAN V BACKDOOR

Ni dungNi dungNi dungNi dung

11 Lch s hnh thnh TrojanLch s hnh thnh Trojan1.1. Lch s hnh thnh TrojanLch s hnh thnh Trojan

2.2. Khi nim v TrojanKhi nim v Trojan

Ph l i T jPh l i T j3.3. Phn loi TrojanPhn loi Trojan

4.4. Mt s Trojan ph binMt s Trojan ph bin

5.5. Phng chng TrojanPhng chng Trojan

66 Mt s cng i cng cc Trojan thng dngMt s cng i cng cc Trojan thng dng6.6. Mt s cng i cng cc Trojan thng dngMt s cng i cng cc Trojan thng dng

7.7. Bi tpBi tp


1 Lch s hnh thnh Trojan1 Lch s hnh thnh Trojan1. Lch s hnh thnh Trojan1. Lch s hnh thnh Trojan

Nga Trojan trongNga Trojan trongNga Trojan trong Nga Trojan trong truyn thuyt Hy Lp c truyn thuyt Hy Lp c i th k 17i th k 17i th k 17.i th k 17.

Trojan trn my tnh Trojan trn my tnh t ti l t ti lc to ra u tin l c to ra u tin l Back Orifice, c cng Back Orifice, c cng h l 31337 h l 31337xm nhp l 31337.xm nhp l 31337.


2 Khi nim v Trojan2 Khi nim v Trojan2. Khi nim v Trojan2. Khi nim v TrojanTrojan l chng trnh gy tn hi n ngi Trojan l chng trnh gy tn hi n ngi dng my tnh phc v cho mc ch ring nodng my tnh phc v cho mc ch ring nodng my tnh, phc v cho mc ch ring no dng my tnh, phc v cho mc ch ring no ca hacker. ca hacker.Thng hot ng b mt v ngi dng khng Thng hot ng b mt v ngi dng khng

h h t h h t nhn ra s hot ng ny.nhn ra s hot ng ny.Cng dng hay gp nht ca trojan l thit lp Cng dng hay gp nht ca trojan l thit lp quyn iu khin t xa cho hacker trn my b quyn iu khin t xa cho hacker trn my b q y y q y y nhim trojan.nhim trojan.


2 Khi nim v Trojan2 Khi nim v Trojan2. Khi nim v Trojan2. Khi nim v Trojan


2 Khi nim v Trojan2 Khi nim v Trojan2. Khi nim v Trojan2. Khi nim v Trojan

Trojan khng t nhn bn nh virus myTrojan khng t nhn bn nh virus myTrojan khng t nhn bn nh virus my Trojan khng t nhn bn nh virus my tnh m ch chy ngm trong my b tnh m ch chy ngm trong my b nhimnhimnhim.nhim.Trojan thng lm chm tc my tnh, Trojan thng lm chm tc my tnh, cm chnh sa registrycm chnh sa registrycm chnh sa registrycm chnh sa registry


2. Khi nim v Trojan2. Khi nim v Trojan Cc con ng Trojan xm nhp vo h thngCc con ng Trojan xm nhp vo h thng

ng d ngng d ngng dng ng dng Messenger.Messenger.File nh kmFile nh kmFile nh km.File nh km.Truy cp vt l.Truy cp vt l.D t W b E ilD t W b E ilDuyt Web v Email.Duyt Web v Email.Chia s file.Chia s file.Ph i hPh i hPhn mm min ph.Phn mm min ph.Download tp tin, tr Download tp tin, tr h i th i t


chi, screensaver t chi, screensaver t internetinternet


Graffiti.exe

One file kexe maker


3 Phn loi Trojan3 Phn loi Trojan3. Phn loi Trojan3. Phn loi Trojan

Loi iu khin t xa (RAT)Loi iu khin t xa (RAT)Loi iu khin t xa (RAT)Loi iu khin t xa (RAT)

KeyloggersKeyloggers

Trojan ly cp passwordTrojan ly cp password

FTP trojansFTP trojansFTP trojansFTP trojans

Trojan ph hoiTrojan ph hoi

Trojan chim quyn kiu leo thangTrojan chim quyn kiu leo thang


3 Phn loi Trojan3 Phn loi Trojan3. Phn loi Trojan3. Phn loi Trojan


3 1 Trojan iu khin t xa (RAT)3 1 Trojan iu khin t xa (RAT)3.1. Trojan iu khin t xa (RAT)3.1. Trojan iu khin t xa (RAT)

RAT bin my tnh b nhim trojan thnhRAT bin my tnh b nhim trojan thnhRAT bin my tnh b nhim trojan thnh RAT bin my tnh b nhim trojan thnh mt server my tnh client ca hacker mt server my tnh client ca hacker truy cp vo v nm quyn iu khintruy cp vo v nm quyn iu khintruy cp vo v nm quyn iu khin.truy cp vo v nm quyn iu khin.T ng kch hot mi khi my tnh hot T ng kch hot mi khi my tnh hot ngngng.ng.Gm 2 file, mt cho server, mt cho client.Gm 2 file, mt cho server, mt cho client.Thng c ngy trang di mt kiu Thng c ngy trang di mt kiu file bnh thng no giu kiu exe.file bnh thng no giu kiu exe.


3 1 Trojan iu khin t xa (RAT)3 1 Trojan iu khin t xa (RAT)3.1. Trojan iu khin t xa (RAT)3.1. Trojan iu khin t xa (RAT)

Mi RAT thng chy server di mt cngMi RAT thng chy server di mt cngMi RAT thng chy server di mt cng Mi RAT thng chy server di mt cng ring bit cho php hacker thm nhp vo my ring bit cho php hacker thm nhp vo my b nhim trojan v tin hnh iu khin t xa.b nhim trojan v tin hnh iu khin t xa.

Thng v hiu ho vic chnh sa registry nn Thng v hiu ho vic chnh sa registry nn kh xo trojan ny.kh xo trojan ny.j yj y

i khi c th s dng trong vic qun l my i khi c th s dng trong vic qun l my tnh t xa.tnh t xa.t t at t a

Ph bin c Back Orifice, Girlfriend, NetbusPh bin c Back Orifice, Girlfriend, Netbus


3 2 Keyloggers3 2 Keyloggers3.2. Keyloggers3.2. Keyloggers

Keylogger bao gm hai loi,Keylogger bao gm hai loi,Keylogger bao gm hai loi, Keylogger bao gm hai loi, mt loi keylogger phn cng mt loi keylogger phn cng v mt loi l phn mm.v mt loi l phn mm.

Nh gn, s dng t b nh Nh gn, s dng t b nh nn kh pht hin.nn kh pht hin.p p

Hot ng n gin, ch yu l Hot ng n gin, ch yu l ghi li din bin ca bn phm ghi li din bin ca bn phm g d b ca b pg d b ca b pri lu li trn my hoc gi v ri lu li trn my hoc gi v cho hacker qua email.cho hacker qua email.



Nu dng gim st con ci, ngi thn xemNu dng gim st con ci, ngi thn xemNu dng gim st con ci, ngi thn xem Nu dng gim st con ci, ngi thn xem h lm g vi PC, vi internet, khi chat vi ngi h lm g vi PC, vi internet, khi chat vi ngi l th keylogger l tt. l th keylogger l tt.

Khi s dng keylogger nhm nh cp cc Khi s dng keylogger nhm nh cp cc thng tin c nhn (ti khon c nhn, mt khu, thng tin c nhn (ti khon c nhn, mt khu, g ( , ,g ( , ,th tn dng) th keylogger l xu. th tn dng) th keylogger l xu.


3 2 Keyloggers3 2 Keyloggers3.2. Keyloggers3.2. KeyloggersMt keylogger thng gm ba phn chnh:Mt keylogger thng gm ba phn chnh: y gg g g p y gg g g pChng trnh iu khin: iu phi hot ng, tinh Chng trnh iu khin: iu phi hot ng, tinh chnh cc thit lp, xem cc tp tin nht k. Thng chnh cc thit lp, xem cc tp tin nht k. Thng thng ch c th gi bng t hp phm ttthng ch c th gi bng t hp phm ttthng ch c th gi bng t hp phm tt. thng ch c th gi bng t hp phm tt. Tp tin hook, hoc l mt chng trnh monitor dng Tp tin hook, hoc l mt chng trnh monitor dng ghi nhn li cc thao tc bn phm, capture screen. ghi nhn li cc thao tc bn phm, capture screen. ghi nhn li cc thao tc bn phm, capture screen. ghi nhn li cc thao tc bn phm, capture screen.Tp tin nht k (log), ni cha ng ton b nhng g Tp tin nht k (log), ni cha ng ton b nhng g hook ghi nhn c. hook ghi nhn c. Ngoi ra, ty theo loi c th c thm phn chng Ngoi ra, ty theo loi c th c thm phn chng trnh bo v (protect), chng trnh thng bo trnh bo v (protect), chng trnh thng bo (report)(report)


(report)(report)

3 3 Trojan n trm password3 3 Trojan n trm password3.3. Trojan n trm password3.3. Trojan n trm password

n cp cc loi mt khu lu trn my bn cp cc loi mt khu lu trn my bn cp cc loi mt khu lu trn my b n cp cc loi mt khu lu trn my b nhim nh mt khu ca ICQ, IRC, nhim nh mt khu ca ICQ, IRC, Hotmail Yahoo ri gi v cho hackerHotmail Yahoo ri gi v cho hackerHotmail, Yahoo ri gi v cho hacker Hotmail, Yahoo ri gi v cho hacker qua email.qua email.

Cc loi trojan ph Cc loi trojan ph bin l Barri, bin l Barri, Kuang, Barok.Kuang, Barok.


3 4 FTP Trojan3 4 FTP Trojan3.4. FTP Trojan3.4. FTP Trojan

Loi ny m cng 21 trn my b nhimLoi ny m cng 21 trn my b nhimLoi ny m cng 21 trn my b nhim Loi ny m cng 21 trn my b nhim nn mi ngi u c th truy cp my nn mi ngi u c th truy cp my ny ti d liuny ti d liuny ti d liu.ny ti d liu.


3 5 Trojan ph hoi3 5 Trojan ph hoi3.5. Trojan ph hoi3.5. Trojan ph hoi

Mc ch chnh l ph hoiMc ch chnh l ph hoiMc ch chnh l ph hoiMc ch chnh l ph hoi

Ph hu a cng, m ho cc filePh hu a cng, m ho cc file

Rt nguy him, kh kim sotRt nguy him, kh kim sot


3.6. Trojan chim quyn 3.6. Trojan chim quyn ki l th ki l th kiu leo thang c quynkiu leo thang c quyn

Thng c gn vo mt ng dng hThng c gn vo mt ng dng hThng c gn vo mt ng dng h Thng c gn vo mt ng dng h thng no v s cho hacker quyn cao thng no v s cho hacker quyn cao hn quyn c trong h thng khi nghn quyn c trong h thng khi nghn quyn c trong h thng khi ng hn quyn c trong h thng khi ng dng ny chy.dng ny chy.


4. Mt s Trojan ph bin4. Mt s Trojan ph binG SG SKGB SPYKGB SPY

L loi trojan mnh, c s dng rng ri.L loi trojan mnh, c s dng rng ri.L loi trojan mnh, c s dng rng ri. L loi trojan mnh, c s dng rng ri. Version c cp nht lin tc.Version c cp nht lin tc.C th theo di cc phm nhn, mn hnhC th theo di cc phm nhn, mn hnhp ,p ,C cc tab trong chng trnh: C cc tab trong chng trnh: -- General optionsGeneral options -- Advanced optionsAdvanced optionspp pp-- PasswordPassword -- ScreenshotScreenshot-- Email DeliveryEmail Delivery -- FPT DeliveryFPT Delivery-- FiltersFilters -- Alert NotificationsAlert Notifications-- InvisibilityInvisibility


4. Mt s Trojan ph bin 4. Mt s Trojan ph bin G SG SKGB SPYKGB SPY


4. Mt s Trojan ph bin 4. Mt s Trojan ph bin KGB SPYKGB SPYKGB SPYKGB SPY


4. Mt s Trojan ph bin 4. Mt s Trojan ph bin ffBlazing Tool Perfect KeyloggerBlazing Tool Perfect Keylogger

L mt trojan mnh, c s dng rng L mt trojan mnh, c s dng rng ri trn internetri trn internetri trn internet.ri trn internet.Cho php nhn thng tin t my b nhim Cho php nhn thng tin t my b nhim trojan t email hoc fpt servertrojan t email hoc fpt servertrojan t email hoc fpt server.trojan t email hoc fpt server.C th lu li cc phm nhn, cc link C th lu li cc phm nhn, cc link

b i d h tb i d h tweb, ni dung chatweb, ni dung chat


4. Mt s Trojan ph bin 4. Mt s Trojan ph bin Blazing Tool Perfect KeyloggerBlazing Tool Perfect KeyloggerBlazing Tool Perfect KeyloggerBlazing Tool Perfect Keylogger


4. Mt s Trojan ph bin 4. Mt s Trojan ph bin 007 Spy Software007 Spy Software007 Spy Software007 Spy Software


4. Mt s Trojan ph bin 4. Mt s Trojan ph bin St lth K lSt lth K lStealth KeyloggerStealth Keylogger


4. Mt s Trojan ph bin 4. Mt s Trojan ph bin DJI RATDJI RAT


4. Mt s Trojan ph bin 4. Mt s Trojan ph bin SSNET BUSNET BUS


4. Mt s Trojan ph bin 4. Mt s Trojan ph bin HackerzRATHackerzRAT


4 Mt s Trojan ph4 Mt s Trojan ph binbin4. Mt s Trojan ph 4. Mt s Trojan ph bin bin


5. Phng chng 5. Phng chng Trojan Trojan


5 Phng chng Trojan5 Phng chng Trojan5. Phng chng Trojan5. Phng chng Trojan

Hn ch s dng chung my tnh ci tHn ch s dng chung my tnh ci tHn ch s dng chung my tnh, ci t Hn ch s dng chung my tnh, ci t mt khu bo v.mt khu bo v.Khng m cc tp tin l khng r ngunKhng m cc tp tin l khng r ngunKhng m cc tp tin l khng r ngun Khng m cc tp tin l khng r ngun gc, ch cc file c phn m rng l gc, ch cc file c phn m rng l exe com bat scr swf zip rar gifexe com bat scr swf zip rar gifexe, com, bat, scr, swf, zip, rar, gifexe, com, bat, scr, swf, zip, rar, gifKhng vo cc trang web l.Khng vo cc trang web l.Khng click vo cc ng link l.Khng click vo cc ng link l.Khng ci t cc phn mm l.Khng ci t cc phn mm l.


g p g p


Khng download chng trnh t ccKhng download chng trnh t ccKhng download chng trnh t cc Khng download chng trnh t cc ngun khng tin cy.ngun khng tin cy.Lun lun t bo v mnh bng ccLun lun t bo v mnh bng ccLun lun t bo v mnh bng cc Lun lun t bo v mnh bng cc chng chnh chuyn dng chng virus, chng chnh chuyn dng chng virus, chng spyware v dng tng la khichng spyware v dng tng la khichng spyware v dng tng la khi chng spyware v dng tng la khi ng nhp Internet. ng nhp Internet. Th ht bTh ht bThng xuyn cp nht y cc bn Thng xuyn cp nht y cc bn cp nht bo mt ca h iu hnh. cp nht bo mt ca h iu hnh.



Qut cc port ang m vi cc cng c nhQut cc port ang m vi cc cng c nhQut cc port ang m vi cc cng c nh Qut cc port ang m vi cc cng c nh Netstat, Fport, TCPViewNetstat, Fport, TCPViewQut cc tin trnh ang chy vi Process Qut cc tin trnh ang chy vi Process Q g yQ g yViewer, Whats on my computer, InsiderViewer, Whats on my computer, InsiderQut nhng thay i trong Registry vi Qut nhng thay i trong Registry vi g y g g yg y g g yMsConfig, Whats running on my computerMsConfig, Whats running on my computerQut nhng hot ng mng vi Ethereal, Qut nhng hot ng mng vi Ethereal, WireSharkWireSharkChy cc phn mm dit Trojan.Chy cc phn mm dit Trojan.


5. Phng chng Trojan5. Phng chng TrojanTrojan HunterTrojan HunterTrojan HunterTrojan Hunter


5. Phng chng Trojan 5. Phng chng Trojan SSSpyware DoctorSpyware Doctor


5. Phng chng Trojan 5. Phng chng Trojan CCTCPViewTCPView


5. Phng chng Trojan 5. Phng chng Trojan CurrPorts ToolCurrPorts ToolCurrPorts ToolCurrPorts Tool


5. Phng chng Trojan 5. Phng chng Trojan Process ViewerProcess ViewerProcess ViewerProcess Viewer


5. Phng chng Trojan 5. Phng chng Trojan Whats runningWhats runningWhat s runningWhat s running


5. Phng chng Trojan 5. Phng chng Trojan Capsa Network AnalyzerCapsa Network AnalyzerCapsa Network AnalyzerCapsa Network Analyzer


5. Phng chng Trojan 5. Phng chng Trojan Pen TestingPen TestingPen TestingPen Testing


6. Mt s cng 6. Mt s cng i cng cc Trojan thng dngi cng cc Trojan thng dng



Satanz Backdoor|666Satanz Backdoor|666 FTP99CMP|1492FTP99CMP|1492 WinCrash|4092WinCrash|4092 DeepThroat|6771DeepThroat|6771Satanz Backdoor|666 Satanz Backdoor|666

Silencer|1001 Silencer|1001

ShivkaShivka--Burka|1600 Burka|1600

FTP99CMP|1492 FTP99CMP|1492

BackDoor|1999 BackDoor|1999

Trojan Cow|2001 Trojan Cow|2001

WinCrash|4092 WinCrash|4092

ICQTrojan|4590 ICQTrojan|4590

Sockets de Troie|5000 Sockets de Troie|5000

DeepThroat|6771 DeepThroat|6771

GateCrasher|6969 GateCrasher|6969

Priority|6969 Priority|6969 ||

SpySender|1807 SpySender|1807

Shockrave|1981 Shockrave|1981

j |j |

Ripper|2023 Ripper|2023

Bugs|2115 Bugs|2115

||

Sockets de Troie Sockets de Troie 1.x|5001 1.x|5001

Firehotcker|5321Firehotcker|5321

y|y|

Remote Grab|7000 Remote Grab|7000

NetMonitor|7300 NetMonitor|7300

WebEx|1001 WebEx|1001

Doly Trojan|1011 Doly Trojan|1011

Deep Throat|2140 Deep Throat|2140

The Invasor|2140 The Invasor|2140

Firehotcker|5321 Firehotcker|5321

Blade Runner|5400 Blade Runner|5400

Blade Runner 1.x|5401 Blade Runner 1.x|5401

NetMonitor 1.x|7301 NetMonitor 1.x|7301


Psyber Stream Psyber Stream Server|1170 Server|1170

Ultors Trojan|1234 Ultors Trojan|1234

Phineas Phucker|2801 Phineas Phucker|2801

Masters Masters Paradise|30129 Paradise|30129

Blade Runner 2.x|5402 Blade Runner 2.x|5402

RoboRobo--Hack|5569 Hack|5569



ICKiller|7789ICKiller|7789


VooDoo Doll|1245 VooDoo Doll|1245 Portal of Doom|3700 Portal of Doom|3700 DeepThroat|6670 DeepThroat|6670 ICKiller|7789 ICKiller|7789


Portal of Doom|9872 Portal of Doom|9872 Hack?99 Hack?99 KeyLogger|12223KeyLogger|12223

Evil FTP|23456 Evil FTP|23456 Masters Paradise Masters Paradise 1 x|404221 x|40422

Portal of Doom Portal of Doom 1.x|9873 1.x|9873

Portal of Doom Portal of Doom

KeyLogger|12223KeyLogger|12223

GabanBus|1245 GabanBus|1245

NetBus|1245NetBus|1245

Ugly FTP|23456 Ugly FTP|23456

Delta|26274 Delta|26274

1.x|40422 1.x|40422

Masters Paradise Masters Paradise 2.x|40423 2.x|40423

2.x|9874 2.x|9874


NetBus|1245 NetBus|1245

WhackWhack--aa--mole|12361 mole|12361

WhackWhack--aa--mole mole 1 |123621 |12362

Back Orifice|31337 Back Orifice|31337

Back Orifice|31338 Back Orifice|31338

DeepBO|31338DeepBO|31338

Masters Paradise Masters Paradise 3.x|40426 3.x|40426

Sockets de Troie|50505 Sockets de Troie|50505


Portal of Doom Portal of Doom 5 |101675 |10167

1.x|12362 1.x|12362

Priority|16969 Priority|16969

Millennium|20001 Millennium|20001

DeepBO|31338 DeepBO|31338

NetSpy DK|31339 NetSpy DK|31339

BOWhack|31666 BOWhack|31666

Fore|50766 Fore|50766

Remote Windows Remote Windows Shutdown|53001 Shutdown|53001

5.x|10167 5.x|10167

iNiiNi--Killer|9989 Killer|9989

Senna Spy|11000 Senna Spy|11000

||

NetBus 2 Pro|20034 NetBus 2 Pro|20034

GirlFriend|21544 GirlFriend|21544

BigGluck|34324 BigGluck|34324

The Spy|40412 The Spy|40412

Telecommando|61466 Telecommando|61466

Devil|65000 Devil|65000


py|py|The tHing|6400 The tHing|6400


NetBus 1 x|12346NetBus 1 x|12346 Gatecrasher |6969Gatecrasher |6969 Stealth Spy |555Stealth Spy |555 BladeRunner | 5400BladeRunner | 5400NetBus 1.x|12346 NetBus 1.x|12346

NetBus Pro 20034 NetBus Pro 20034

SubSeven|1243 SubSeven|1243

Gatecrasher |6969 Gatecrasher |6969

Telecommando | 61466 Telecommando | 61466

Gjamer |12076 Gjamer |12076

Stealth Spy |555 Stealth Spy |555

Pass Ripper |2023 Pass Ripper |2023

Attack FTP |666 Attack FTP |666

BladeRunner | 5400 BladeRunner | 5400

IcqTrojan | 4950 IcqTrojan | 4950

InIkiller | 9989 InIkiller | 9989 ||

NetSphere|30100 NetSphere|30100

Silencer |1001 Silencer |1001

j |j |

IcqTrojen| 4950 IcqTrojen| 4950

Priotrity |16969 Priotrity |16969

||

GirlFriend | 21554 GirlFriend | 21554

Fore, Schwindler| Fore, Schwindler| 5076650766

||

PortalOfDoom | 9872 PortalOfDoom | 9872

ProgenicTrojan | 11223 ProgenicTrojan | 11223

Millenium |20000 Millenium |20000

Devil 1.03 |65000 Devil 1.03 |65000

Vodoo | 1245 Vodoo | 1245

Wincrash | 5742 Wincrash | 5742

50766 50766

Tiny Telnet Server| Tiny Telnet Server| 34324 34324

Prosiak 0.47 | 22222 Prosiak 0.47 | 22222

RemoteWindowsShutdRemoteWindowsShutdown | 53001 own | 53001

NetMonitor| 7306 NetMonitor| 7306

Streaming Audio Streaming Audio Trojan| 1170 Trojan| 1170

Wincrash2| 2583 Wincrash2| 2583

Netspy |1033 Netspy |1033

ShockRave | 1981ShockRave | 1981

Kuang |30999 Kuang |30999

Senna Spy Trojans| Senna Spy Trojans| 11000 11000

RoboHack |5569 RoboHack |5569

Silencer | 1001 Silencer | 1001


Socket23 |30303 Socket23 |30303 ShockRave | 1981 ShockRave | 1981

WhackJob | 23456 WhackJob | 23456 Striker | 2565 Striker | 2565

7 Bi tp7 Bi tp7. Bi tp7. Bi tp1.1. Di y lit k mt s Worm ph bin v port tng ng. Di y lit k mt s Worm ph bin v port tng ng.

Tm kim ti liu lin quan v m t cch hot ng ca 5 Tm kim ti liu lin quan v m t cch hot ng ca 5 Worm khc nhau trong danh sch.Worm khc nhau trong danh sch.


7 Bi tp7 Bi tp7. Bi tp7. Bi tp2.2. Di y lit k mt s Trojan ph bin v port tng Di y lit k mt s Trojan ph bin v port tng

ng. Tm kim ti liu lin quan v m t cch hot ng ng. Tm kim ti liu lin quan v m t cch hot ng ca 5 Trojan khc nhau trong danh sch.ca 5 Trojan khc nhau trong danh sch.


7 Bi tp7 Bi tp7. Bi tp7. Bi tp3.3. Xy dng nhng quy tc ACL chn cc Worm v cc Xy dng nhng quy tc ACL chn cc Worm v cc

Trojan ( nu trong bi 1 v 2) xm nhp vo mng ni b.Trojan ( nu trong bi 1 v 2) xm nhp vo mng ni b.j ( g ) p g j ( g ) p g

4.4. M t chc nng qut Heuristic tm Virus.M t chc nng qut Heuristic tm Virus.

5.5. M t s ging nhau v khc nhauM t s ging nhau v khc nhau trong cch hot ngtrong cch hot ng5.5. M t s ging nhau v khc nhau M t s ging nhau v khc nhau trong cch hot ng trong cch hot ng gia gia cc phn mm cc phn mm McAfee VirusScanMcAfee VirusScan vv Norton AntiVirusNorton AntiVirus..

6.6. Tm kim t cc trang web c lin quan danh sch Virus v Tm kim t cc trang web c lin quan danh sch Virus v Trojan mi xut hin trong 2 tun qua. Nu mt s c Trojan mi xut hin trong 2 tun qua. Nu mt s c im chnh ca chng.im chnh ca chng.

Gii th h t i S t Ad i i t t kh dGii th h t i S t Ad i i t t kh d7.7. Gii thch ti sao System Administrator khng nn s dng Gii thch ti sao System Administrator khng nn s dng mt ti khon ngi dng c mt khu supermt ti khon ngi dng c mt khu super--user duyt user duyt Web hoc gi v nhn EWeb hoc gi v nhn E--Mail.Mail.


7 Bi tp7 Bi tp7. Bi tp7. Bi tp8.8. Web 2.0 xut hin vo nm 2004, i din cho th h th Web 2.0 xut hin vo nm 2004, i din cho th h th

hai ca cng ngh Web. Bng di y m t vi k thut hai ca cng ngh Web. Bng di y m t vi k thut g g g y g g g y tng ng gia Web 2.0 v Web 1.0 th h trc:tng ng gia Web 2.0 v Web 1.0 th h trc:

Web 2.0 c cng mt s vn v bo mt nh Web 1.0 Web 2.0 c cng mt s vn v bo mt nh Web 1.0 v cn pht sinh thm mt s vn mi. Tm cc ti liu v cn pht sinh thm mt s vn mi. Tm cc ti liu


lin quan v m t 5 vn bo mt trong Web 2.0.lin quan v m t 5 vn bo mt trong Web 2.0.

7 Bi tp7 Bi tp7. Bi tp7. Bi tp9.9. Vo trang Vo trang http://www.microsoft.com/downloadshttp://www.microsoft.com/downloads, download , download

v v ci t trn my tnh cc phn mm:v v ci t trn my tnh cc phn mm:1.1. Windows DefenderWindows Defender

2.2. Microsoft Security EssentialsMicrosoft Security Essentials

Ch Wi d D f d t S ii th hCh Wi d D f d t S ii th h Chy Windows Defender qut Spyware, gii thch c Chy Windows Defender qut Spyware, gii thch c ch hot ng ca phn mm ny.ch hot ng ca phn mm ny.

nh gi Microsoft Security Essentials vi mt s phnnh gi Microsoft Security Essentials vi mt s phn nh gi Microsoft Security Essentials vi mt s phn nh gi Microsoft Security Essentials vi mt s phn mm tng t ph bin nht hin nay v:mm tng t ph bin nht hin nay v:

1.1. Kh nng chng m c hiKh nng chng m c hi

2.2. Tng la tch hp vo IETng la tch hp vo IE

3.3. H thng gim st mng tng kh nng ngn chn tn cng H thng gim st mng tng kh nng ngn chn tn cng t bn ngoit bn ngoi


t bn ngoit bn ngoi

4.4. Tiu tn ti nguyn, thi gian hot ngTiu tn ti nguyn, thi gian hot ng

5 Bi tp5 Bi tp5. Bi tp5. Bi tp10.10. Trong h iu hnh Windows, cookies cTrong h iu hnh Windows, cookies caa trnh duyt IE trnh duyt IE

c lu tr trn a Cc lu tr trn a C trong th mctrong th mc Documents andDocuments andc lu tr trn a C c lu tr trn a C trong th mctrong th mc Documents and Documents and Settings. Settings. Vo th mc lVo th mc l tn ngi dng, tn ngi dng, vovo th mc th mc Cookies ChnCookies Chn v mv m ngu nhin mt tp tin cookiengu nhin mt tp tin cookie GiiGiiCookies. Chn Cookies. Chn v m v m ngu nhin mt tp tin cookiengu nhin mt tp tin cookie. . Gii Gii thch nhng g bn thy, v tr li cc cu hithch nhng g bn thy, v tr li cc cu hi::

Nu cookie c truyn ti cc my ch WebNu cookie c truyn ti cc my ch Web di dngdi dng Nu cookie c truyn ti cc my ch Web Nu cookie c truyn ti cc my ch Web di dng di dng plaintext,plaintext, lit k v lit k v m t cc mi e da bo mt tim m t cc mi e da bo mt tim tngtngm ngi dngm ngi dng c th c th s gps gp..

Nu ngi dng c php chnh sa cc tp tin cookie lu Nu ngi dng c php chnh sa cc tp tin cookie lu tr trn my tnh tr trn my tnh cc bcc b, , lit klit k v m t cc mi e da v m t cc mi e da


bo mt bo mt tim tng c th xy ra cho tim tng c th xy ra cho cc my ch Web.cc my ch Web.

5 Bi tp5 Bi tp5. Bi tp5. Bi tp11.11. Nu chc nng v cch s dng cc cng c:Nu chc nng v cch s dng cc cng c:

NetstatNetstat FportFport FportFport TCPViewTCPView CurrPorts ToolCurrPorts Tool Process ViewerProcess Viewer Whats runningWhats running One file exe maker


One file exe maker