detection period: 2021-07-30 00:00-23:59 UTC
total number of suspected botnet IPs: 31443
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 28948
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 | 2212 |
2 | ALISOFT | 1000 |
3 | DIGITALOCEAN-192-241-128-0 | 909 |
4 | TENCENT-CN | 685 |
5 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 622 |
6 | Baidu | 483 |
7 | VIETTEL-VN | 439 |
8 | HINET-NET | 423 |
9 | VNPT-VN | 409 |
10 | CHINANET-SD | 331 |
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 | 8339 |
2 | United States | 4784 |
3 | India | 1974 |
4 | Russian Federation | 1665 |
5 | Brazil | 1448 |
6 | Viet Nam | 1240 |
7 | Indonesia | 887 |
8 | European Union | 656 |
9 | Thailand | 610 |
10 | Taiwan | 557 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
Rank | TCP port number | # of connection attempts received |
---|---|---|
1 | 445 | 271523 |
2 | 6004 | 121633 |
3 | 6009 | 84337 |
4 | 3122 | 84154 |
5 | 6001 | 82175 |
6 | 1422 | 74823 |
7 | 5022 | 71228 |
8 | 22 | 57804 |
9 | 8151 | 56703 |
10 | 390 | 55104 |