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ThreatFox IOC Database

You are viewing the ThreatFox database entry for ip:port 173.199.90.252:443.

Database Entry


IOC ID:1934968
IOC: 173.199.90.252:443
IOC Type :ip:port
Threat Type :botnet_cc
Malware: Cobalt Strike
Malware alias:Agentemis, BEACON, CobaltStrike, cobeacon
Confidence Level : Confidence level is elevated (75%)
Is compromised? : True
ASN:AS20473 AS-VULTR
Country:- US
First seen:2026-09-27 06:44:06 UTC
Last seen:2026-09-26 17:24:27 UTC
UUID:b26c33ce-b9ce-11f1-97fb-42010aa4000a
Reporter MaciekG
Reward 10 credits from anonymous
Tags:CobaltStrike cs-watermark-1473793097

Avatar
MaciekG
Cobalt Strike cluster sharing non-cracked watermark 1473793097 (only 5 servers seen). Operator registers Namecheap domains in pairs (consecutive registry IDs, same second): one with self-hosted NS for DNS beacon, one HTTPS with sso./profile. subdomains and identical nginx '500: Internal Server Error' page. Related: api.microsoftstorapi.com, networkness.com, barthvertex.com. Passive research (WHOIS, CT, Shodan, hunt.io). 173.199.90.252 hosts bravotimekeepers.com (sso./profile.); 43.163.88.35 CS JARM, self-signed baidu.com cert.