Public Mosaic C2 indicators
configuration value

Samples sharing one vkey

10 samples carry this vkey in their configuration. 5 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

vkeyjessetoken

Written into each sample by whoever built it. The same value is also the salt in 10 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The Suricata rules cover the hosts still listed; withdrawn hosts can stay in them for up to five minutes.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.

5 hosts

Hosts this archive observed serving these samples; 5 still listed.

52.128.224.234VShellAS45753 · Netsec:8084 :9090 · last confirmed 2026-10-3052.128.224.235VShellAS45753 · Netsec:8084 :9090 · last confirmed 2026-10-3052.128.224.238VShellAS45753 · Netsec:8084 :9090 · last confirmed 2026-10-3052.128.224.237VShellAS45753 · Netsec:8084 :9090 · last confirmed 2026-10-3052.128.224.236VShellAS45753 · Netsec:8084 :9090 · 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.

AS45753 · Netsec5 hosts

10 samples