Research Article
Network Security Situation Assessment Model Based on Extended Hidden Markov
| | Attack ID | Time | Attack name | Source IP | Destination IP | Source port | Destination port | Application protocol | Hit counts | Attack level |
| | 151000249 | 2015/11/3 0:00 | SMTP mail vulnerability | 27.24.159.231 | 168.160.167.28 | 24476 | 25 | SMTP | 1 | Prompt | | 151000249 | 2015/11/3 0:00 | SMTP mail vulnerability | 116.207.12.175 | 168.160.167.28 | 2724 | 25 | SMTP | 1 | Prompt | | 151000249 | 2015/11/3 0:00 | SMTP mail vulnerability | 221.239.226.214 | 168.160.200.18 | 2858 | 25 | SMTP | 1 | Prompt | | 151000249 | 2015/11/3 0:00 | SMTP mail vulnerability | 221.239.226.214 | 168.160.200.18 | 2858 | 25 | SMTP | 1 | Prompt | | 151000249 | 2015/11/3 0:01 | SMTP mail vulnerability | 119.147.194.226 | 168.160.1.104 | 47271 | 25 | SMTP | 1 | Prompt | | 151000249 | 2015/11/3 0:01 | SMTP mail vulnerability | 119.147.194.226 | 168.160.1.104 | 47271 | 25 | SMTP | 1 | Prompt | | 151000249 | 2015/11/3 0:01 | SMTP mail vulnerability | 111.176.71.222 | 168.160.200.18 | 3843 | 25 | SMTP | 1 | Prompt | | 151000249 | 2015/11/3 0:01 | SMTP mail vulnerability | 27.24.159.228 | 168.160.1.104 | 11682 | 25 | SMTP | 1 | Prompt | | 151000249 | 2015/11/3 0:01 | SMTP mail vulnerability | 27.24.159.228 | 168.160.1.104 | 11682 | 25 | SMTP | 1 | Prompt | | 151000249 | 2015/11/3 0:01 | SMTP mail vulnerability | 49.70.232.139 | 168.160.1.109 | 4687 | 25 | SMTP | 1 | Prompt | | 151000249 | 2015/11/3 0:01 | SMTP mail vulnerability | 116.207.13.72 | 168.160.200.18 | 1785 | 25 | SMTP | 1 | Prompt | | 151000249 | 2015/11/3 0:01 | SMTP mail vulnerability | 116.207.13.72 | 168.160.200.18 | 1785 | 25 | SMTP | 1 | Prompt | | 151000249 | 2015/11/3 0:02 | SMTP mail vulnerability | 27.24.159.231 | 168.160.167.28 | 2981 | 25 | SMTP | 1 | Prompt | | 151000249 | 2015/11/3 0:02 | SMTP mail vulnerability | 111.176.77.199 | 168.160.200.18 | 3101 | 25 | SMTP | 1 | Prompt | | 151000249 | 2015/11/3 0:02 | SMTP mail vulnerability | 111.176.77.199 | 168.160.200.18 | 3101 | 25 | SMTP | 1 | Prompt |
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