public mosaic llc support@publicmosaic.com
confirmed host

IP address 88.87.85.199

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

Last confirmed 2026-09-12, first seen 2026-08-26. On AS39435.

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

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

88.87.85.199:5173 · Overlord

Last confirmed (3 days ago)

first seen2026-08-30 11:17 UTC
serviceip-port · tcp
networkAS39435 · JSC "ER-Telecom Holding"
confidence100 / 100
tls certificate964bd84a390c4d49f29ddf9e8caead255977401ba5869b475c3147935f3d9ff8
cert subjecthost-ddf96a45d2cc4aa4.invalid
cert subject orgService-04f5a6558dabd079
cert issuerhost-ddf96a45d2cc4aa4.invalid
cert issuer orgService-04f5a6558dabd079
cert validity2026-08-29 → 2028-12-01
cert typeself-signed
cert key2048-bit
cert serial (decimal)730595460223223366469752732444644707318941968905
cert names127.0.0.1 ::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

88.87.85.199:443 · Overlord

Last confirmed (9 days ago)

first seen2026-08-26 17:34 UTC
serviceip-port · tcp · HTTPS blend-in
networkAS39435 · JSC "ER-Telecom Holding"
confidence100 / 100
tls certificatec9f58a2c52e7c8948f66286d4ee383f4d405cbb5a8bf445faa5036f8cf479e61
cert subjectlocalhost
cert subject orgOverlord
cert issuerlocalhost
cert issuer orgOverlord
cert validity2026-08-22 → 2036-08-19
cert typeself-signed
cert key2048-bit
cert serial (decimal)63530699899955110474960818647858867705076005747
cert names*.local 127.0.0.1 192.168.88.73 ::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
jarm21d14d00021d21d00042d43d00041df8e4b7c874a766a0a2344c0afd986207

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 · 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 →

Pivots & lookups