public mosaic llc support@publicmosaic.com
confirmed host

IP address 220.154.3.197

Mythiccommand-and-control server · :9443

Last confirmed 2026-09-15, first seen 2026-08-28. On AS141679.

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

220.154.3.197:9443 · Mythic

Last confirmed (today)

first seen2026-08-28 20:11 UTC
serviceip-port · tcp
networkAS141679 · China Telecom Beijing Tianjin Hebei B…
confidence100 / 100
tls certificate06b22b08b071b67b81574190c79463b637571fd197f0f1ab67ca56f7460f81c7
cert subject orgMythic C2
cert issuer orgMythic C2
cert validity2026-06-29 → 2027-06-29
cert typeself-signed
cert key384-bit
cert serial (decimal)60099611802205233634723709051124777103
cert names127.0.0.1 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.

ja4xb757977db3a9_b757977db3a9_e1926048963f

Observation history

18d agotoday

Observed on 18 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 · 20 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