detection period: 2021-11-18 00:00-23:59 UTC
total number of suspected botnet IPs: 19986
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18400
number of spam blocked: 0
recipient count of spam blocked: 0
The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:
Rank | Network | # of suspected botnet IPs |
---|---|---|
1 | ALISOFT | 722 |
2 | VNPT-VN | 468 |
3 | VIETTEL-VN | 392 |
4 | TencentCloud | 346 |
5 | HINET-NET | 316 |
6 | CMNET | 314 |
7 | TELKOMNET | 233 |
8 | BSNLNET | 228 |
9 | AFRINIC-042005 | 210 |
10 | LINODE-US | 200 |
The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:
Rank | Country/Region | # of suspected botnet IPs |
---|---|---|
1 | China | 3845 |
2 | United States | 2612 |
3 | India | 1540 |
4 | Russian Federation | 1332 |
5 | Viet Nam | 1194 |
6 | Brazil | 1022 |
7 | Indonesia | 657 |
8 | Thailand | 509 |
9 | Taiwan | 433 |
10 | Mexico | 385 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
Rank | TCP port number | # of connection attempts received |
---|---|---|
1 | 445 | 154019 |
2 | 4000 | 101641 |
3 | 5001 | 99121 |
4 | 2280 | 88876 |
5 | 6001 | 75055 |
6 | 4444 | 56243 |
7 | 10 | 54200 |
8 | 9822 | 50617 |
9 | 1022 | 46271 |
10 | 9092 | 41028 |
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