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168 Part III: Hacking Network Hosts Figure 9-7: CommView for WiFi’s Key Recovery to crack a WEP key. WPA key recovery is dependent on a good dictionary. The dictionary files available at www.outpost9.com/files/WordLists.html are a good starting point. Even with a great dictionary chock-full of potential passwords, I’ve often found that dictionary attacks against WPA are futile. Know your limits. Another commercial alternative for cracking WPA and WPA2 keys is Elcomsoft Wireless Security Auditor (EWSA). To use EWSA, you simply capture wireless packets in the tcpdump format (every WLAN analyzer supports this format), load the capture file into the program, and shortly thereafter you have the PSK. EWSA is a little different because it can crack WPA and WPA2 PSKs in a fraction of the time it would normally take, but there’s a caveat. You must have a computer with a supported NVIDIA or ATI video card. Yep, EWSA doesn’t just use the processing power of your CPU — it also harnesses the power and mammoth acceleration capabilities of the video card’s graphics processing unit (GPU). Now that’s innovation! The main EWSA interface is shown in Figure 9-8. Using EWSA, you can try to crack your WPA/WPA2 PSKs at a rate of up to 50,000 WPA/WPA2 pre-shared keys per second. Compare that to the lowly few hundred keys per second using just the CPU and you can see the value in a tool like this. I always say you get what you pay for. If you need to use your WLAN analyzer to view traffic as part of your security assessment, you won’t see any traffic if WEP or WPA/WPA2 are enabled unless you know the keys associated with each network. You can enter each key into your analyzer, but just remember that hackers can do the same thing if they’re able to crack your WEP or WPA pre-shared keys by using one of the tools I mention earlier. Figure 9-9 shows an example of how you can view protocols on your WLAN by entering the WPA key into OmniPeek via the Capture Options window before you start your packet capture.
Figure 9-8: Using Elcomsoft Wireless Security Auditor to crack WPA pre-shared keys. Figure 9-9: Using OmniPeek to view encrypted wireless traffic. Chapter 9: Wireless LANs 169
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Hacking FOR DUMmIES‰ 4TH EDITION
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About the Author Kevin Beaver is an
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Mega thanks to Queensrÿche, Rush,
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Contents at a Glance Introduction .
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Table of Contents Introduction ....
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Table of Contents Performing Social
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Table of Contents Gathering Informa
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Table of Contents Part VI: Ethical
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Introduction W elcome to Hacking Fo
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Introduction Before you start hacki
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Introduction well-known vulnerabili
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Part I Building the Foundation for
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Chapter 1 Introduction to Ethical H
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Chapter 1: Introduction to Ethical
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Obeying the Ethical Hacking Command
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Formulating your plan Chapter 1: In
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Chapter 2 Cracking the Hacker Minds
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Malicious attackers often think and
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Chapter 2: Cracking the Hacker Mind
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In This Chapter Chapter 3 Developin
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Chapter 3: Developing Your Ethical
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Attack tree analysis is the process
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Timing Chapter 3: Developing Your E
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In This Chapter Chapter 4 Hacking M
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Chapter 4: Hacking Methodology no o
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Chapter 4: Hacking Methodology ✓
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Chapter 4: Hacking Methodology One
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Chapter 4: Hacking Methodology test
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Figure 4-1: Netcraft’s web server
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Chapter 4: Hacking Methodology docu
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Penetrating the System Chapter 4: H
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Part II Putting Ethical Hacking in
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In This Chapter ▶ Discovering soc
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Chapter 5: Social Engineering A cas
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Chapter 5: Social Engineering Socia
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Chapter 5: Social Engineering Regar
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Chapter 5: Social Engineering years
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✓ Threatening reprimands if reque
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Chapter 5: Social Engineering In so
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Chapter 5: Social Engineering reque
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In This Chapter Chapter 6 Physical
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Chapter 6: Physical Security A Q&A
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Chapter 6: Physical Security ✓ Do
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Chapter 6: Physical Security ✓ Do
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Chapter 6: Physical Security cellul
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Chapter 6: Physical Security ✓ Ke
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In This Chapter ▶ Identifying pas
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Chapter 7: Passwords A case study i
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Chapter 7: Passwords The National V
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Chapter 7: Passwords they should’
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Chapter 7: Passwords ✓ John the R
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Chapter 7: Passwords Dictionary att
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Chapter 7: Passwords this password
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Chapter 7: Passwords Cracking UNIX/
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Chapter 7: Passwords The financial
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Chapter 7: Passwords (www.identityf
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Chapter 7: Passwords Weak BIOS pass
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Storing passwords Chapter 7: Passwo
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Page 137 and 138: Linux and UNIX Chapter 7: Passwords
Page 139 and 140: Part III Hacking Network Hosts
Page 141 and 142: In This Chapter ▶ Selecting tools
Page 143 and 144: Chapter 8: Network Infrastructure U
Page 145 and 146: Chapter 8: Network Infrastructure
Page 147 and 148: Chapter 8: Network Infrastructure I
Page 149 and 150: Chapter 8: Network Infrastructure 3
Page 151 and 152: Figure 8-3: NetScan- Tools Pro OS F
Page 153 and 154: Figure 8-5: Management interface us
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Page 157 and 158: Chapter 8: Network Infrastructure C
Page 159 and 160: Figure 8-8: Connecting a network an
Page 161 and 162: Figure 8-9: OmniPeek can help uncov
Page 163 and 164: Chapter 8: Network Infrastructure N
Page 165 and 166: Figure 8-12: Selecting your victim
Page 167 and 168: UNIX-based systems Chapter 8: Netwo
Page 169 and 170: Chapter 8: Network Infrastructure W
Page 171 and 172: Chapter 8: Network Infrastructure C
Page 173 and 174: Figure 8-14: Cisco Global Exploiter
Page 175 and 176: In This Chapter ▶ Understanding r
Page 177 and 178: A case study with Joshua Wright on
Page 179 and 180: Discovering Wireless LANs Figure 9-
Page 181 and 182: Figure 9-3: NetStumbler displays de
Page 183 and 184: You undoubtedly have various Blueto
Page 185: Chapter 9: Wireless LANs Airodump a
Page 189 and 190: Figure 9-10: The Reaver startup win
Page 191 and 192: Figure 9-12: NetStumbler showing po
Page 193 and 194: Figure 9-15: CommView for Wifi show
Page 195 and 196: Chapter 9: Wireless LANs ✓ If pos
Page 197 and 198: Figure 9-17: Looking for the MAC ad
Page 199 and 200: Figure 9-19: Ensure that your SSID
Page 201 and 202: Chapter 9: Wireless LANs encryption
Page 203 and 204: In This Chapter Chapter 10 Mobile D
Page 205 and 206: Chapter 10: Mobile Devices You have
Page 207 and 208: Figure 10-3: Usernames extracted vi
Page 209 and 210: Chapter 10: Mobile Devices Power-on
Page 211 and 212: Figure 10-5: iOS Forensic Toolkit
Page 213 and 214: Chapter 10: Mobile Devices So, havi
Page 215 and 216: Part IV Hacking Operating Systems
Page 217 and 218: In This Chapter ▶ Port scanning W
Page 219 and 220: Choosing Tools Chapter 11: Windows
Page 221 and 222: Chapter 11: Windows Windows XP SP2
Page 223 and 224: Figure 11-2: Gathering detailed vul
Page 225 and 226: Figure 11-5: Using LanGuard to scan
Page 227 and 228: Figure 11-6: Mapping a null session
Page 229 and 230: ✓ Local usernames ✓ Drive share
Page 231 and 232: Figure 11-9: Default local security
Page 233 and 234: Figure 11-10: Using LanGuard’s sh
Page 235 and 236: Figure 11-11: Exploitable vulnerabi
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Figure 11-13: Browsing the availabl
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Figure 11-17: Checking final parame
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Figure 11-19: Metasploit Pro’s gr
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Running Authenticated Scans Figure
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In This Chapter ▶ Examining Linux
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Chapter 12: Linux A tool such as Qu
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Figure 12-3: LanGuard revealing use
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Figure 12-6: Using NetScan Tools Pr
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Figure 12-7: Using Nmap to check ap
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Figure 12-9: Viewing the process ID
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Chapter 12: Linux Hacks using the .
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Chapter 12: Linux ✓ Block spoofed
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Chapter 12: Linux Manual testing Th
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Figure 12-11: /etc/inittab showing
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Figure 12-13: Partial output of the
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Part V Hacking Applications
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In This Chapter ▶ Attacking e-mai
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E-mail bombs Chapter 13: Communicat
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Figure 13-1: Limiting the number of
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Figure 13-4: smtpscan gathers versi
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Figure 13-7: Using EmailVerify to v
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Chapter 13: Communication and Messa
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Manual testing Chapter 13: Communic
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Figure 13-11: Critical information
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Figure 13-15: SiVuS discovered seve
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Figure 13-16: Using Cain & Abel to
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In This Chapter Chapter 14 Websites
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Chapter 14: Websites and Applicatio
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Figure 14-1: Using HTTrack to crawl
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Countermeasures against directory t
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Figure 14-2: Using Firefox Web Deve
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Figure 14-3: Using SPI Proxy to fin
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Figure 14-4: WebInspect discovered
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Figure 14-7: Script code reflected
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Figure 14-9: URL returns an error w
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Figure 14-11: The Brutus tool for t
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Figure 14-13: Using CxDeveloper to
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Chapter 15 Databases and Storage Sy
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The Situation Chapter 15: Databases
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Figure 15-2: Using Cain & Abel to c
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Chapter 15: Databases and Storage S
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Figure 15-3: Using FileLocator Pro
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Chapter 15: Databases and Storage S
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Part VI Ethical Hacking Aftermath
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In This Chapter Chapter 16 Reportin
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Chapter 16: Reporting Your Results
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✓ Summary of the vulnerabilities
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In This Chapter Chapter 17 Plugging
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Patch management Chapter 17: Pluggi
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I was once involved in an incident
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Chapter 18 Managing Security Proces
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Chapter 18: Managing Security Proce
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Part VII The Part of Tens
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Chapter 19 Ten Tips for Getting Upp
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Chapter 19: Ten Tips for Getting Up
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Chapter 19: Ten Tips for Getting Up
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Chapter 20 Ten Reasons Hacking Is t
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Chapter 20: Ten Reasons Hacking Is
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Chapter 21 Ten Deadly Mistakes S ev
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Thinking That You Know It All Chapt
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Appendix Tools and Resources T o st
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Exploits Appendix: Tools and Resour
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Keyloggers Appendix: Tools and Reso
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mailsnarf — www.monkey.org/~dugso
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Appendix: Tools and Resources PortS
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Appendix: Tools and Resources pwdum
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Source Code Analysis Storage Checkm
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Appendix: Tools and Resources NIST
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Windows Appendix: Tools and Resourc
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• A • aboveboard, 11 Abuse.net
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Cobb, Chey (author) Network Securit
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802.11 encryption protocols, 165, 1
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Health Insurance Portability and Ac
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malware, 151, 266-267, 355 Managing
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• P • packet filtering, 156 Pan
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Remember icon, 6 remote access serv
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SUSE, 247 SUSE Linux Security Alert
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Virtual Private Network (VPN) servi
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Apple & Mac iPad 2 For Dummies, 3rd
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