detection period: 2021-05-30 00:00-23:59 UTC
total number of suspected botnet IPs: 28400
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 26281
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 | 2067 |
2 | ALISOFT | 938 |
3 | TENCENT-CN | 689 |
4 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 619 |
5 | Baidu | 393 |
6 | HINET-NET | 383 |
7 | VNPT-VN | 320 |
8 | VIETTEL-VN | 305 |
9 | CHINANET-SD | 297 |
10 | ACEVILLEPTELTD-SG | 289 |
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 | 8405 |
2 | United States | 4221 |
3 | Russian Federation | 1549 |
4 | India | 1246 |
5 | Brazil | 1177 |
6 | Viet Nam | 924 |
7 | European Union | 643 |
8 | Indonesia | 597 |
9 | Taiwan | 526 |
10 | South Korea | 522 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
Rank | TCP port number | # of connection attempts received |
---|---|---|
1 | 1313 | 190796 |
2 | 445 | 158578 |
3 | 10003 | 72167 |
4 | 5900 | 71648 |
5 | 4224 | 71051 |
6 | 3737 | 58248 |
7 | 5166 | 51487 |
8 | 10021 | 47728 |
9 | 6666 | 43297 |
10 | 2510 | 41875 |