Research Article
Network Security Situation Assessment Model Based on Extended Hidden Markov
Table 6
Network security equipment log.
| | Time | Attack name | Source IP | Source port | Destination IP | Destination port | Attack level |
| | 2015/11/3 0:00 | SMTP mail attachment vulnerability | 27.24.159.231 | 24476 | 168.160.167.28 | 25 | Prompt | | 2015/11/3 0:00 | SMTP mail attachment vulnerability | 116.207.12.175 | 2724 | 168.160.167.28 | 25 | Prompt | | 2015/11/3 0:00 | SMTP mail attachment vulnerability | 221.239.226.214 | 2858 | 168.160.200.18 | 25 | Prompt | | 2015/11/3 0:00 | SMTP mail attachment vulnerability | 221.239.226.214 | 2858 | 168.160.200.18 | 25 | Prompt | | 2015/11/3 0:01 | SMTP mail attachment vulnerability | 119.147.194.226 | 47271 | 168.160.1.104 | 25 | Prompt | | 2015/11/3 0:01 | SMTP mail attachment vulnerability | 119.147.194.226 | 47271 | 168.160.1.104 | 25 | Prompt | | 2015/11/3 0:01 | SMTP mail attachment vulnerability | 111.176.71.222 | 3843 | 168.160.200.18 | 25 | Prompt | | 2015/11/3 0:01 | SMTP mail attachment vulnerability | 27.24.159.228 | 11682 | 168.160.1.104 | 25 | Prompt | | 2015/11/3 0:01 | SMTP mail attachment vulnerability | 27.24.159.228 | 11682 | 168.160.1.104 | 25 | Prompt | | 2015/11/3 0:01 | SMTP mail attachment vulnerability | 49.70.232.139 | 4687 | 168.160.1.109 | 25 | Prompt | | 2015/11/3 0:01 | SMTP mail attachment vulnerability | 116.207.13.72 | 1785 | 168.160.200.18 | 25 | Prompt | | 2015/11/3 0:01 | SMTP mail attachment vulnerability | 116.207.13.72 | 1785 | 168.160.200.18 | 25 | Prompt | | 2015/11/3 0:02 | SMTP mail attachment vulnerability | 27.24.159.231 | 2981 | 168.160.167.28 | 25 | Prompt | | 2015/11/3 0:02 | SMTP mail attachment vulnerability | 111.176.77.199 | 3101 | 168.160.200.18 | 25 | Prompt | | 2015/11/3 0:02 | SMTP mail attachment vulnerability | 111.176.77.199 | 3101 | 168.160.200.18 | 25 | Prompt | | 2015/11/3 0:02 | SMTP mail attachment vulnerability | 111.176.71.222 | 4214 | 168.160.1.104 | 25 | Prompt | | 2015/11/3 0:02 | SMTP mail attachment vulnerability | 111.176.71.222 | 4214 | 168.160.1.104 | 25 | Prompt | | 2015/11/3 0:02 | SMTP mail attachment vulnerability | 58.217.74.33 | 2270 | 168.160.1.104 | 25 | Prompt | | 2015/11/3 0:02 | SMTP mail attachment vulnerability | 58.217.74.33 | 2270 | 168.160.1.104 | 25 | Prompt | | 2015/11/3 0:03 | SMTP mail attachment vulnerability | 222.72.175.185 | 4819 | 168.160.200.18 | 25 | Prompt |
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