detection period: 2021-02-06 00:00-23:59 UTC
total number of suspected botnet IPs: 37748
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 34997
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 | TencentCloud | 1671 |
2 | HINET-NET | 896 |
3 | TENCENT-CN | 732 |
4 | KORNET | 661 |
5 | DIGITALOCEAN-192-241-128-0 | 651 |
6 | VNPT-VN | 643 |
7 | VIETTEL-VN | 537 |
8 | ALISOFT | 524 |
9 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 472 |
10 | VE-CSVE-LACNIC | 469 |
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 | 8777 |
2 | United States | 4343 |
3 | India | 2306 |
4 | Russian Federation | 2065 |
5 | Viet Nam | 1722 |
6 | Brazil | 1639 |
7 | Taiwan | 1259 |
8 | Hong Kong | 1099 |
9 | South Korea | 1039 |
10 | Indonesia | 987 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
Rank | TCP port number | # of connection attempts received |
---|---|---|
1 | 1022 | 349308 |
2 | 445 | 224214 |
3 | 22 | 65397 |
4 | 222 | 64831 |
5 | 23 | 57173 |
6 | 736 | 40441 |
7 | 1322 | 40365 |
8 | 1433 | 33286 |
9 | 1212 | 30917 |
10 | 2277 | 26288 |
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