ThreatFox IOC Database

You are viewing the ThreatFox database entry for ip:port 121.89.81.211:443.

Database Entry


IOC ID:1646036
IOC: 121.89.81.211:443
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:AS37963 ALIBABA-CN-NET
Country:- CN
First seen:2025-11-18 14:33:53 UTC
Last seen:2025-12-05 06:49:35 UTC
UUID:9b508f57-c48b-11f0-ad21-42010aa4000a
Reporter abuse_ch
Reward 10 credits from anonymous
Tags:CobaltStrike cs-watermark-666666666

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abuse_ch
Rogue Cobalt Strike C2 at 121.89.81.211 on port 443 TCP using watermark 666666666 detected on 2025-11-17 09:05:27 UTC