public mosaic llc support@publicmosaic.com
confirmed host

IP address 198.23.177.203

Overlordcommand-and-control server · :5173, :443

Last confirmed 2026-09-07, first seen 2026-09-02. On AS36352.

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

This address answered on 2 ports — :5173, :443.

198.23.177.203:5173 · Overlord

Last confirmed (7 days ago)

first seen2026-09-02 09:54 UTC
serviceip-port · tcp
networkAS36352 · HostPapa
confidence100 / 100
tls certificatee52875259537dc47b1bda26a02b5ad15f2a7eb0adf77a619d63b5fab91f557c2
cert subjectlocalhost
cert subject orgOverlord
cert issuerlocalhost
cert issuer orgOverlord
cert validity2026-08-26 → 2036-08-23
cert typeself-signed
cert key2048-bit
cert serial (decimal)20994332206657104042928308726944081717445079432
cert names*.local 100.106.12.38 127.0.0.1 172.18.0.1 192.168.100.12 ::1 localhost

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.

ja4x2166164053c1_2166164053c1_8af5bbe4d352

198.23.177.203:443 · Overlord

Last confirmed (7 days ago)

first seen2026-09-02 09:54 UTC
serviceip-port · tcp · HTTPS blend-in
networkAS36352 · HostPapa
confidence100 / 100
tls certificatee52875259537dc47b1bda26a02b5ad15f2a7eb0adf77a619d63b5fab91f557c2
cert subjectlocalhost
cert subject orgOverlord
cert issuerlocalhost
cert issuer orgOverlord
cert validity2026-08-26 → 2036-08-23
cert typeself-signed
cert key2048-bit
cert serial (decimal)20994332206657104042928308726944081717445079432
cert names*.local 100.106.12.38 127.0.0.1 172.18.0.1 192.168.100.12 ::1 localhost

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.

ja4x2166164053c1_2166164053c1_8af5bbe4d352

Observation history

18d agotoday

Observed on 6 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 · 85 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 85. Full cohort →

Neighbourhood · 198.23.177.0/24 · 2 hosts

2 other confirmed hosts in the same /24. Adjacent addresses under one operator are a different signal from a shared certificate — they suggest a block, not a build.

Pivots & lookups