public mosaic llc support@publicmosaic.com
confirmed host

IP address 207.57.135.209

Slivercommand-and-control server · :4443, :31337

Last confirmed 2026-09-10, first seen 2026-08-25. On AS139659.

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

This address answered on 2 ports — :4443, :31337.

207.57.135.209:4443 · Sliver

Last confirmed (5 days ago)

first seen2026-08-25 11:54 UTC
serviceip-port · tcp
networkAS139659 · LUCIDACLOUD
confidence100 / 100
tls certificate9c4f713a3bb89a9e7cdd52e0d7a2f6d07a86eed6405abf8fab44be704a6da67e
cert subjectlocalhost
cert subject orgnovel counter
cert validity2026-04-01 → 2028-03-31
cert typeCA-signed
cert key4096-bit
cert nameslocalhost

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.

ja4x000000000000_7c32fa18c13e_bf0f0589fc03

207.57.135.209:31337 · Sliver

Last confirmed (5 days ago)

first seen2026-08-25 02:42 UTC
serviceip-port · tcp · Sliver default
networkAS139659 · LUCIDACLOUD
confidence100 / 100
tls certificateb7e354f08985ad0d4d993e8c45182e3d22167f4620bc5d5501f7cc6248ca7fc7
cert subjectmultiplayer
cert issueroperators
cert validity2026-04-17 → 2028-04-16
cert typeCA-signed
cert key256-bit
cert serial (decimal)204991094428242897222325600630993526917
cert namesmultiplayer

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.

ja4x7022c563de38_7022c563de38_bf0f0589fc03

Observation history

18d agotoday

Observed on 13 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 · 554 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.

Showing 24 of 554. The rest are reachable from any of them.

Pivots & lookups