public mosaic llc support@publicmosaic.com
confirmed host

IP address 216.238.54.156

BTMOBremote-access trojan controller · :443

Last confirmed 2026-09-15, first seen 2026-09-01. On AS212336.

listed last confirmed feed checked TLP:CLEAR SURICATA .RULES SEE THE LIVE FEED →

216.238.54.156:443 · BTMOB

Last confirmed (today)

first seen2026-09-01 05:03 UTC
serviceip-port · tcp · HTTPS blend-in
observed hostbuqiu.site
networkAS212336 · ByteVirt
confidence97 / 100
tls certificate699c8228cd8b560af29d3b48a51dac24aae697b17c85ac5a8cd1c4fda5fb19bf
cert subjectCloudFlare Origin Certificate
cert subject orgCloudFlare, Inc.
cert issuer orgCloudFlare, Inc.
cert validity2026-04-12 → 2041-04-08
cert typeCA-signed
cert key2048-bit
cert serial (decimal)84025698327654942915957354666979698778612167561
cert names*.buqiu.site buqiu.site

The certificate names above were validated by the issuing authority at issuance. They describe the certificate, not conduct by the names' owner — a legitimately issued certificate can be deployed on a listed host by whoever holds its private key, so treat the name as a pivot to investigate rather than as an attribution.

ja4xdc020972a4a8_9fb583da09a2_fb02ba79e164
jarm3fd3fd0003fd3fd21c42d42d000000bdfc58c9a46434368cf60aa440385763

Observation history

18d agotoday

Observed on 15 of the 18 days since this archive began recording, 2026-08-29 UTC. Presence is per UTC day: a day is marked when the scanner confirmed this address at least once, not once per scan.

Shared JA4X issuance template · 19 hosts

These hosts issued certificates from the same template — the same distinguished-name fields hashed in the same order. It links tooling, not necessarily an operator. Full cohort →

Pivots & lookups