public mosaic llc support@publicmosaic.com
confirmed host

IP address 138.91.32.183

Slivercommand-and-control server · :443

Last confirmed 2026-09-15, first seen 2026-09-02. On AS8075.

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

138.91.32.183:443 · Sliver

Last confirmed (today)

first seen2026-09-02 10:11 UTC
serviceip-port · tcp · HTTPS blend-in
networkAS8075 · Microsoft
confidence100 / 100
tls certificated5a01d6b9667e1303c71a89caa5aa8d5f66665d81be7ee4ac7c8c37da734a4bb
cert subjectlocalhost
cert subject orgLatin Mukluk
cert validity2025-05-14 → 2027-05-14
cert typeCA-signed
cert key4096-bit
cert serial (decimal)131785730865146225050443760116446519526
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

Observed on 14 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 · 100 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 →

Showing 24 of 100. Full cohort →

Pivots & lookups