public mosaic llc support@publicmosaic.com
confirmed host

IP address 24.199.90.142

Cobalt Strikecommand-and-control server · :50050

Last confirmed 2026-09-09, first seen 2026-08-31. On AS14061.

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

24.199.90.142:50050 · Cobalt Strike

Last confirmed (5 days ago)

first seen2026-08-31 19:40 UTC
serviceip-port · tcp · Cobalt Strike team server default
networkAS14061 · DigitalOcean
confidence100 / 100
tls certificate4eb1323d5b67996a42f607d347e1dd58cb2f673ea3429496db60b944dabbd3b6
cert subjectMajor Cobalt Strike
cert subject orgcobaltstrike
cert issuerMajor Cobalt Strike
cert issuer orgcobaltstrike
cert validity2026-08-28 → 2026-11-26
cert typeself-signed
cert key3072-bit
cert serial (decimal)8746619222116149747

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_30d204a01551

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 · 270 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 270. Full cohort →

Pivots & lookups