public mosaic llc support@publicmosaic.com
confirmed host

IP address 77.74.208.123

Mythiccommand-and-control server · :443

Last confirmed 2026-09-15, first seen 2026-08-28. On AS42845.

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

77.74.208.123:443 · Mythic

Last confirmed (today)

first seen2026-08-28 20:11 UTC
serviceip-port · tcp · HTTPS blend-in
networkAS42845 · BLUE
confidence100 / 100
tls certificate690568b19cfee98e9a4f739f1ff447ab78c84b694cf394a802992c9d614f3899
cert subject orgMythic C2
cert issuer orgMythic C2
cert validity2026-04-24 → 2027-04-24
cert typeself-signed
cert key384-bit
cert serial (decimal)224448582230324322629477177116648829236

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_b06bda150783

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 · 105 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 105. Full cohort →

Pivots & lookups