public mosaic llc support@publicmosaic.com
confirmed host

IP address 124.222.145.172

Cobalt Strikecommand-and-control server · :50050

Last confirmed 2026-09-02, first seen 2026-08-23. On AS45090.

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

124.222.145.172:50050 · Cobalt Strike

Last confirmed (13 days ago)

first seen2026-08-23 03:23 UTC
serviceip-port · tcp · Cobalt Strike team server default
networkAS45090 · Shenzhen Tencent Computer Systems Com…
confidence100 / 100
tls certificate9c981e57dc1ec3b131ad366cb51bc9c1db73e158eb7aa5860f19e181c5dca571
cert subjectMajor Cobalt Strike
cert subject orgcobaltstrike
cert issuerMajor Cobalt Strike
cert issuer orgcobaltstrike
cert validity2026-05-22 → 2026-08-20
cert typeself-signed
cert key2048-bit
cert serial (decimal)1133132514

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 5 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