public mosaic llc support@publicmosaic.com
confirmed host

39.107.53.141

Slivercommand-and-control server · :443

Last confirmed 2026-09-14, first seen 2026-09-04. On AS37963.

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

39.107.53.141:443 · Sliver

Last confirmed (yesterday)

first seen2026-09-04 18:14 UTC
serviceip-port · tcp · HTTPS blend-in
networkAS37963 · Hangzhou Alibaba Advertising
confidence100 / 100
tls certificate30cef81dc47c66c3f07feed36449968eb610d773449a38b766212f8035e24ff2
cert subjectlocalhost
cert subject orgSiding
cert validity2026-04-29 → 2029-04-28
cert typeCA-signed
cert key4096-bit
cert serial (decimal)232224386148173423044880105498869392228
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 11 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 →

101.126.90.250Sliver101.132.66.50Sliver101.42.96.140Sliver103.250.172.230Sliver104.248.229.157Sliver107.23.60.48Sliver114.55.151.60Sliver115.190.227.197Sliver118.107.9.217Sliverarchived118.107.9.233Sliverarchived118.195.163.227Sliver124.158.5.149Sliver129.213.164.210Sliver13.158.165.149Sliver134.122.153.121Sliver134.209.213.17Sliver135.106.164.201Sliver138.226.222.47Sliver138.91.32.183Sliver142.91.109.153Sliver142.93.162.87Sliver143.198.149.226Sliver144.126.210.142Sliver145.239.73.139Sliver

Showing 24 of 100. Full cohort →

Pivots & lookups

same ja4x → 100 other hosts same asn → 323 other hosts lookups: virustotal · shodan · censys

Listed in error?

This page is generated from automated scanning and is publicly available. If you are responsible for this address and it should not be listed, write to support@publicmosaic.com — see abuse & takedown for what we need and what happens next, or opt-out to exclude a whole range from scanning.

Addresses are frequently compromised third-party hosts rather than infrastructure their owner stood up. A listing records what a scan observed at a point in time; it is not an allegation about whoever pays for the address.