detection period: 2021-03-14 00:00-23:59 UTC
total number of suspected botnet IPs: 35376
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 32671
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 | 2183 |
2 | TENCENT-CN | 909 |
3 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 670 |
4 | ALISOFT | 538 |
5 | DIGITALOCEAN-192-241-128-0 | 537 |
6 | VNPT-VN | 513 |
7 | VIETTEL-VN | 483 |
8 | CMNET | 432 |
9 | HINET-NET | 422 |
10 | Baidu | 410 |
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 | 9765 |
2 | United States | 5082 |
3 | Russian Federation | 1777 |
4 | India | 1704 |
5 | Viet Nam | 1417 |
6 | Brazil | 1399 |
7 | South Korea | 1164 |
8 | Indonesia | 752 |
9 | European Union | 696 |
10 | Mauritius | 633 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
Rank | TCP port number | # of connection attempts received |
---|---|---|
1 | 445 | 245298 |
2 | 22 | 54996 |
3 | 3322 | 51425 |
4 | 1111 | 37935 |
5 | 23 | 36422 |
6 | 1433 | 31146 |
7 | 5900 | 30169 |
8 | 222 | 14143 |
9 | 1022 | 13083 |
10 | 700 | 11510 |
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