ThreatFox IOC Database
You are viewing the ThreatFox database entry for ip:port 20.51.228.251:443.
Database Entry
This IOC expired
This IOC is an old IOC and hence has expired on 2025-12-04 01:15:01 UTC. We therefore refrain from exporting it into our datasets. As a result, this database entry is purely informational and has no impact.
| IOC ID: | 850976 |
|---|---|
| IOC: | 20.51.228.251:443 |
| IOC Type : | ip:port |
| Threat Type : | botnet_cc |
| Malware: | Cobalt Strike |
| Malware alias: | Agentemis, BEACON, CobaltStrike, cobeacon |
| Confidence Level : | Confidence level is high (100%) |
| ASN: | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK |
| Country: |  US |
| First seen: | 2022-09-21 20:39:46 UTC |
| Last seen: | never |
| UUID: | 877c4607-39ed-11ed-ae73-42010aa4000a |
| Reporter |  drb_ra |
| Reward |
10 credits from anonymous |
| Tags: | CobaltStrike MICROSOFT-CORP-MSN-AS-BLOCK |
drb_ra
Cobalt Strike Server FoundC2: HTTPS @ 20[.]51[.]228[.]251:443
C2 Server: 20[.]51[.]228[.]251,/pixel[.]gif
POST URI: /submit[.]php
Country: United States
ASN: MICROSOFT-CORP-MSN-AS-BLOCK