ThreatFox IOC Database

You are viewing the ThreatFox database entry for ip:port 39.99.33.10:4433.

Database Entry


IOC ID:1738466
IOC: 39.99.33.10:4433
IOC Type :ip:port
Threat Type :botnet_cc
Malware: Cobalt Strike
Malware alias:Agentemis, BEACON, CobaltStrike, cobeacon
Confidence Level : Confidence level is high (100%)
Is compromised? : False
ASN:AS37963 ALIBABA-CN-NET
Country:- CN
First seen:2026-01-28 09:52:57 UTC
Last seen:never
UUID:1fbd6fde-fc2f-11f0-b7d0-42010aa4000a
Reporter abuse_ch
Reward 10 credits from anonymous
Tags:CobaltStrike cs-watermark-987654321

Avatar
abuse_ch
Rogue Cobalt Strike C2 at 39.99.33.10 on port 4433 TCP using watermark 987654321 detected on 2026-01-27 05:54:46 UTC