public mosaic llc support@publicmosaic.com
confirmed host

IP address 144.91.90.67

Meterpretercommand-and-control server · :443

Observed 2026-09-02 to 2026-09-12 and no longer listed. On AS51167. This is an archived record, kept because an address that was listed stays answerable for having been listed.

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

144.91.90.67:443 · Meterpreter

no longer listed Last confirmed

first seen2026-09-02 11:47 UTC
serviceip-port · tcp · HTTPS blend-in
observed hosthyatt.kovacek.info
networkAS51167 · Contabo
confidence100 / 100
tls certificate777fad32e725b2167bc4da7661bc65af624220f2a0f1b1385b9aa589011df1ef
cert subjecthyatt.kovacek.info
cert subject orgHyatt-Kovacek
cert issuerhyatt.kovacek.info
cert issuer orgHyatt-Kovacek
cert validity2022-10-07 → 2026-10-06
cert typeself-signed
cert key2048-bit
cert serial (decimal)10158350241502144360

The certificate names above are what the certificate ASSERTS, not proof this host owns them — a self-signed certificate can claim any subject, so treat a familiar name here as an impersonation attempt rather than an identity.

ja4xa97eb367370b_a97eb367370b_6984f3197a69

Observation history

18d agotoday

Observed on 10 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 · 7 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