public mosaic llc support@publicmosaic.com
confirmed host

IP address 52.241.248.38

Quasarremote-access trojan controller · :56002, :56003, :56001

Last confirmed 2026-09-15, first seen 2026-08-28. On AS8075.

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

This address answered on 3 ports — :56002, :56003, :56001.

The upstream re-labelled one or more episodes below in place; only the most recent earlier label is kept, and the archive does not record when the change happened.

52.241.248.38:56002 · Quasar

Last confirmed (today)

first seen2026-08-28 21:59 UTC
serviceip-port · tcp
earlier labelQuasar-family
networkAS8075 · Microsoft
confidence98 / 100
tls certificatef9e0f3b32a76084b22764eaebf4835b723a3f2430fa6266aa4759a23467b40a3
cert subjectWeqwmcchm
cert issuerWeqwmcchm
cert validity2025-02-21 → 9999-12-31
cert typeself-signed
cert key4096-bit
cert serial (decimal)917638363391603489527340979471778883

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_0147df7a0c11
jarm22b22b00022b22b22b22b22b22b22bd3b67dd3674d9af9dd91c1955a35d0e9

52.241.248.38:56003 · Quasar

Last confirmed (today)

first seen2026-08-28 21:59 UTC
serviceip-port · tcp
earlier labelQuasar-family
networkAS8075 · Microsoft
confidence98 / 100
tls certificatef9e0f3b32a76084b22764eaebf4835b723a3f2430fa6266aa4759a23467b40a3
cert subjectWeqwmcchm
cert issuerWeqwmcchm
cert validity2025-02-21 → 9999-12-31
cert typeself-signed
cert key4096-bit
cert serial (decimal)917638363391603489527340979471778883

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_0147df7a0c11
jarm22b22b00022b22b22b22b22b22b22bd3b67dd3674d9af9dd91c1955a35d0e9

52.241.248.38:56001 · Quasar

Last confirmed (today)

first seen2026-08-28 21:59 UTC
serviceip-port · tcp
earlier labelQuasar-family
networkAS8075 · Microsoft
confidence98 / 100
tls certificatef9e0f3b32a76084b22764eaebf4835b723a3f2430fa6266aa4759a23467b40a3
cert subjectWeqwmcchm
cert issuerWeqwmcchm
cert validity2025-02-21 → 9999-12-31
cert typeself-signed
cert key4096-bit
cert serial (decimal)917638363391603489527340979471778883

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_0147df7a0c11
jarm22b22b00022b22b22b22b22b22b22bd3b67dd3674d9af9dd91c1955a35d0e9

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 · 143 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 143. Full cohort →

Pivots & lookups