| Attack type | Attack pattern | Igsum value | Various combination of features giving high information gain value |
| PROBE | ipsweep | 0.82 | 2, 3, 5, 12, 13, 14, 16, 17, 21, 23, 24, 25, 28, 31, 32, 33, 37, 38 | nmap | 0.27 | 1, 2, 3, 5, 18, 21, 22, 28, 29, 31, 32, 34, 35, 36, 37 | portsweep | 0.58 | 3, 4, 10, 24, 27, 29, 34, 35, 36, 37, 41 | satan | 0.75 | 1, 3, 5, 11, 15, 19, 23, 24, 25, 27, 28, 29, 30, 31, 32, 35, 39, 40, 41 | mscan | 1.11 | 1, 3, 4, 5, 7, 12, 17, 21, 25, 27, 28, 29, 31, 33, 35, 39, 40, 41 | saint | 0.33 | 1, 5, 7, 12, 16, 24, 25, 29, 32, 33, 34, 35, 37, 38, 40 |
| DOS | back | 0.38 | 1, 2, 4, 5, 6, 10, 11, 12, 13, 15, 17, 18, 21, 22, 23, 26, 27, 28, 30, 31, 34, 35, 37, 41 | land | 0.0009 | 1, 2, 3, 4, 7, 13, 18, 25, 29, 35, 38 | neptune | 7.73 | 1, 3, 4, 5, 6, 7, 13, 15, 17, 19, 20, 26, 28, 29, 30, 31, 33, 34, 35, 38, 39 | pod | 0.052 | 2, 3, 5, 7, 8, 9, 10, 11, 17, 19, 21, 23, 26, 33, 34, 39, 40 | smurf | 0.68 | 2, 3, 5, 8, 17, 23, 24, 25, 26, 29, 33, 35, 36, 38, 39 | teardrop | 0.27 | 3, 4, 5, 6, 8, 10, 13, 23, 24, 25, 26, 32, 34, 35, 36, 37, 39, 40 |
| U2R | Buffer_overflow | 0.0086 | 1, 2, 3, 5, 6, 7, 8, 9, 10, 14, 21, 23, 29, 30, 31, 32, 33, 36, 38, 39, 40 | loadmodule | 0.0058 | 1, 2, 3, 4, 7, 8, 14, 27, 36, 39, 40 | rootkit | 0.0035 | 3, 6, 9, 11, 13, 14, 16, 17, 18, 23, 28, 31, 32, 33, 34, 35, 37, 39, 41 |
| R2L | guess_passwd | 0.025 | 2, 3, 4, 6, 9, 10, 11, 13, 14, 17, 21, 23, 24, 37, 38, 39, 40, 41 | imap | 0.0035 | 3, 4, 5, 6, 10, 12, 20, 23, 25, 27, 29, 30, 3233, 34, 36, 38, 39, 41 | multihop | 0.0024 | 3, 4, 10, 12, 13, 14, 16, 17, 18, 19, 22, 26, 27, 30, 35, 37 | phf | 0.0021 | 3, 4, 6, 8, 9, 10, 13, 14, 19, 28, 29, 36 | spy | 0.0003 | 2, 3, 4, 5, 9, 15, 18, 22, 16, 39 | warezclient | 0.21 | 3, 4, 5, 6, 10, 12, 14, 16, 24, 27, 28, 29, 30, 32, 33, 34, 35, 37, 38, 39, 40, 41 | warezmaster | 0.008 | 1, 2, 3, 4, 6, 12, 13, 14, 16, 17, 19, 22, 23, 24, 31, 35, 36, 37, 39 |
| Normal | 11.96 | 1, 2, 3, 4, 5, 6, 7, 15, 23, 24, 14, 15, 19, 20, 21, 23, 25, 26, 27, 28, 30, 32, 33, 34, 36, 37, 38 |
|
|