detection period: 2021-07-18 00:00-23:59 UTC
total number of suspected botnet IPs: 21776
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19993
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 | 1005 |
2 | ALISOFT | 974 |
3 | DIGITALOCEAN-192-241-128-0 | 790 |
4 | HINET-NET | 392 |
5 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 307 |
6 | TENCENT-CN | 300 |
7 | VIETTEL-VN | 291 |
8 | VNPT-VN | 271 |
9 | Baidu | 253 |
10 | CMNET | 227 |
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 | 5392 |
2 | United States | 3253 |
3 | Russian Federation | 1275 |
4 | India | 1124 |
5 | Brazil | 954 |
6 | Viet Nam | 877 |
7 | Indonesia | 542 |
8 | Taiwan | 512 |
9 | South Korea | 411 |
10 | Mexico | 397 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
Rank | TCP port number | # of connection attempts received |
---|---|---|
1 | 445 | 231191 |
2 | 6004 | 131893 |
3 | 6101 | 70564 |
4 | 3004 | 63532 |
5 | 9011 | 63115 |
6 | 6100 | 62495 |
7 | 8011 | 56112 |
8 | 3001 | 55591 |
9 | 4488 | 53643 |
10 | 5901 | 50127 |
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