Public Mosaic C2 indicators
configuration value

Samples sharing one endpoint

3 samples carry this endpoint in their configuration. 1 host was observed serving them. These samples are built to connect to the same endpoint. It may be a redirector or a hijacked host, so a shared endpoint is not evidence of a single operator.

TLP:CLEAR Suricata rules YARA rules JSON

The value

endpoint139.199.80.221:8443

Written into each sample by whoever built it.

The Suricata rules cover the hosts still listed; withdrawn hosts can stay in them for up to five minutes. The YARA rules match the sample hashes. The JSON is this page's data.

1 host

Hosts this archive observed serving these samples; 1 still listed.

139.199.80.221VShellAS45090 · Shenzhen Tencent Computer Systems Com…:8443 · last confirmed 2026-10-03

3 samples