public mosaic llc support@publicmosaic.com
confirmed host

IP address 91.92.40.138

RatonRATremote-access trojan controller · :4838

Last confirmed 2026-09-08, first seen 2026-09-01.

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

91.92.40.138:4838 · RatonRAT

Last confirmed (6 days ago)

first seen2026-09-01 18:53 UTC
serviceip-port · tcp
confidence100 / 100
tls certificate490fa39ca4a5971533e19fcc396868c905c70cca3555b9a97479872101c5f712
cert subjectSSLRaton
cert issuerSSLRaton
cert validity2026-07-15 → 2027-07-15
cert typeself-signed
cert key2048-bit
cert serial (decimal)1955114692667720356

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.

ja4x7022c563de38_7022c563de38_000000000000

Observation history

18d agotoday

Observed on 7 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 · 25 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 25. Full cohort →

Neighbourhood · 91.92.40.0/24 · 2 hosts

2 other confirmed hosts in the same /24. Adjacent addresses under one operator are a different signal from a shared certificate — they suggest a block, not a build.

Pivots & lookups