Public Mosaic C2 indicators
configuration value

Samples sharing one vkey

6 samples carry this vkey in their configuration. 2 hosts were observed serving them. Builders reuse default and stock values, so unrelated files can share one. A shared value is not evidence of a single operator.

TLP:CLEAR Suricata rules YARA rules JSON

The value

vkeyhuoshanlinux...!@#

Written into each sample by whoever built it. The same value is also the salt in 6 samples: samples sharing this salt →

The Suricata rules cover the hosts still listed; withdrawn hosts can stay in them for up to five minutes.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.

2 hosts

Hosts this archive observed serving these samples; 2 still listed.

45.192.213.11VShellAS138995 · Antbox Networks:80 :8084 :8085 · last confirmed 2026-10-3045.192.213.15VShellAS138995 · Antbox Networks:80 :8084 :8085 · last confirmed 2026-10-30

Shared infrastructure

What two or more of these hosts also share. Unrelated customers share a hosting network, and everyone who used the same builder shares its certificate or template.

AS138995 · Antbox Networks2 hosts

6 samples