public mosaic llc support@publicmosaic.com
confirmed host

IP address 142.91.109.153

Slivercommand-and-control server · :31337, :8443

Last confirmed 2026-08-23, first seen 2026-08-23. On AS134351.

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

This address answered on 2 ports — :31337, :8443.

142.91.109.153:31337 · Sliver

Last confirmed (23 days ago)

first seen2026-08-23 01:16 UTC
serviceip-port · tcp · Sliver default
networkAS134351 · Leaseweb Japan K.K
confidence100 / 100
tls certificate9a179763011cde1aa17354aea4bfdb2874a865ac2c6adfc720fc7a6181f60ef9
cert subjectmultiplayer
cert issueroperators
cert validity2026-05-02 → 2029-05-01
cert typeCA-signed
cert key256-bit
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

142.91.109.153:8443 · Sliver

Last confirmed (23 days ago)

first seen2026-08-23 01:16 UTC
serviceip-port · tcp · alt-HTTPS
networkAS134351 · Leaseweb Japan K.K
confidence100 / 100
tls certificate9179c56fa7fff5e8c4341058529dba9a76d3e8413ea49fba626a3bef38431a55
cert subjectlocalhost
cert subject orgtheoretical arithmetic, ltd.
cert validity2025-12-28 → 2028-12-27
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

Observation history

18d agotoday

Last confirmed 2026-08-23 00:00 UTC — before this archive began recording daily presence on 2026-08-29. 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

lookups: virustotal · shodan · censys