detection period: 2023-01-08 00:00-23:59 UTC
total number of suspected botnet IPs: 26748
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 25644
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 | DIGITALOCEAN-192-241-128-0 | 581 |
2 | HINET-NET | 525 |
3 | KORNET-KR | 474 |
4 | CMNET | 462 |
5 | ACEVILLEPTELTD-SG | 450 |
6 | DIGITALOCEAN-107-170-0-0 | 429 |
7 | CHINANET-JS | 390 |
8 | UNICOM-SC | 368 |
9 | DO-13 | 333 |
10 | DIGITALOCEAN-198-199-64-0 | 324 |
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 | United States | 7880 |
2 | China | 4285 |
3 | India | 1344 |
4 | Brazil | 1013 |
5 | Russian Federation | 1006 |
6 | South Korea | 906 |
7 | Singapore | 850 |
8 | Taiwan | 764 |
9 | Viet Nam | 598 |
10 | Hong Kong | 598 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
Rank | TCP port number | # of connection attempts received |
---|---|---|
1 | 22 | 79766 |
2 | 8087 | 65854 |
3 | 23 | 62267 |
4 | 6021 | 50296 |
5 | 9022 | 43259 |
6 | 9500 | 35821 |
7 | 4022 | 32172 |
8 | 3300 | 24627 |
9 | 445 | 23799 |
10 | 6000 | 18243 |
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