Basic HTML version of Foils prepared May 19 99
Foil 19 DNS Cache Poisoning (2)
From Computer Crimes: Examples of Network Security attacks Tango Group Internal Technology Seminars -- April 23 99. by Roman Markowski
| 1 |
Evil
|
| 2 |
x.y.z.w
|
| 3 |
DNS
|
| 4 |
good
|
| 5 |
DNS
|
| 6 |
evil
|
| 7 |
DNS
|
| 8 |
bank
|
| 9 |
(1) any.evil.com ?
|
| 10 |
(2) any.evil.com ?
|
| 11 |
(3) store Query ID#
|
| 12 |
(4) www.bank.com ?
|
| 13 |
(5) www.bank.com ?
|
| 14 |
(6) spoof answer:
|
| 15 |
www.bank.com=x.y.z.w
|
| 16 |
(7) Cache:
|
| 17 |
www.bank.com
|
| 18 |
= x.y.z.w
|
| 19 |
Good
|
| 20 |
(8) www.bank.com ?
|
| 21 |
(9) x.y.z.w
|
| 22 |
(10) bank transaction
|
| 23 |
Www
|
| 24 |
bank
|
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Page produced by wwwfoil on Mon Aug 16 1999