Public Mosaic C2 indicators
confirmed host

176.123.1.119

Slivercommand-and-control server · :443

On AS200019.

listed last confirmed feed checked TLP:CLEAR Suricata rules Show in the live feed

Relations

Values this address shares with other hosts in this archive, rarest first. A shared value says the hosts were set up alike, not that one operator runs them.

SharedValueOther hosts
JA4X template000000000000_7c32fa18c13e_bf0f0589fc03139 other hosts · 134 listed

Not shared with any other host in this archive: 1 certificate.

Network context

SharedValueOther hosts
NetworkAS200019 · ALEXHOST22 other hosts · 21 listed

Hosts near this one, for context only.

Summary

First seen by the scanner2026-10-11
In this archive since2026-10-11
Evidence1 certificate
Look up elsewhereVirusTotal · Shodan · Censys
About this listingWhat a listing means · Is this your address?

Observation history

Listed on 20 of the 63 days since this archive began recording, 2026-08-29 UTC.

  1. listed
  2. :443

2026-08-292026-10-30

  • first seen to last confirmed
  • listed after its last confirmation

A marked day is a UTC day the feed listed this address. The feed keeps a listener for up to 90 days after its last confirmation, so a listed day is not a confirmation. A listener no longer in the feed is drawn to its last confirmation.

Listed days as dates
  • 2026-10-11 – 2026-10-30 (20 days)

176.123.1.119:443 · Sliver

Last confirmed (3 days ago)

first seen2026-10-11 20:17 UTC
serviceip-port · tcp · HTTPS
observed hostcdn.tannerbridge.com
networkAS200019 · ALEXHOST
confidence100 / 100
tls certificatee71161c30b1a9323e9e97d943d16fd088e78717a1cfebe5ad9613b9523c4a6f2
cert subjectcdn.tannerbridge.com
cert subject orgFrantic Nexus
cert validity2026-01-06 → 2028-01-06
cert typeissuer-signed
cert key2048-bit
cert serial (hex)6f358e2d6a1c189a401e5c0669839811
cert serial (decimal)147822382965898416581956286790540433425
cert namescdn.tannerbridge.com

The names above are what the certificate asserts, signed by an issuer it does not name, so nothing shows that anyone checked them. Treat a familiar name as a lead to investigate, never an identity.

ja4x000000000000_7c32fa18c13e_bf0f0589fc03

Hosts sharing a value with this one

139 other hosts in this archive share at least one value with this one. Each is listed once, under its first shared value in Relations order. Dates and status are from the records that share a value. Showing the 40 that rank first.

AddressFamilySharesLast confirmedStatus
JA4X template · 139 other hosts · 134 listed

These hosts’ certificates share one JA4X template, which points to the same certificate tooling. It is not evidence of a single operator.

Of these, 99 are past the 40 hosts shown.

162.254.35.170SliverJA4X templatelisted
65.20.69.106SliverJA4X templatelisted
94.125.101.85AdaptixJA4X templatelisted
45.74.31.54SliverJA4X templatelisted
154.219.103.189SliverJA4X templatelisted
202.61.137.217SliverJA4X templatelisted
193.26.115.41SliverJA4X templatelisted
164.90.149.44SliverJA4X templatelisted
168.138.40.244SliverJA4X templatelisted
178.128.21.54SliverJA4X templatelisted
8.219.149.222SliverJA4X templatelisted
15.235.166.83SliverJA4X templatelisted
64.23.192.235SliverJA4X templatelisted
52.51.21.68SliverJA4X templatelisted
130.94.18.170SliverJA4X templatelisted
192.236.183.92SliverJA4X templatelisted
103.243.26.81SliverJA4X templatelisted
31.77.143.250SliverJA4X templatelisted
47.131.50.242SliverJA4X templatelisted
138.91.32.183SliverJA4X templatelisted
80.94.93.47SliverJA4X templatelisted
45.83.182.178SliverJA4X templatelisted
52.188.156.51SliverJA4X templatelisted
178.104.123.237SliverJA4X templatelisted
152.42.214.0SliverJA4X templatelisted
44.200.237.10SliverJA4X templatelisted
153.76.114.134SliverJA4X templatelisted
159.65.113.187SliverJA4X templatelisted
129.213.164.210SliverJA4X templatelisted
104.248.229.157SliverJA4X templatelisted
124.158.5.149SliverJA4X templatelisted
51.81.63.109SliverJA4X templatelisted
101.132.66.50SliverJA4X templatelisted
146.70.158.198SliverJA4X templatelisted
45.87.245.85SliverJA4X templatelisted
139.196.57.120SliverJA4X templatelisted
13.158.165.149SliverJA4X templatelisted
114.55.151.60SliverJA4X templatelisted
45.156.248.2SliverJA4X templatelisted
138.226.222.47SliverJA4X templatelisted

Deploy

Suricata rules and hunt queries for this address’s 1 listed listener.

Suricata rules

Each query searches the last 30 days of your logs for connections to these listeners. Queries hold only addresses, ports and file hashes.

Microsoft Defender XDR (KQL)
DeviceNetworkEvents
| where Timestamp > ago(30d)
| where (RemoteIP == "176.123.1.119" and RemotePort in (443))
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "176.123.1.119" and DestinationPort in (443))
Splunk (SPL, CIM data models)
| tstats summariesonly=false count min(_time) as first_time max(_time) as last_time
    from datamodel=Network_Traffic where earliest=-30d
    ((All_Traffic.dest_ip="176.123.1.119" (All_Traffic.dest_port=443)))
    by All_Traffic.src_ip All_Traffic.dest_ip All_Traffic.dest_port
Elastic (EQL)
network where
  (destination.ip == "176.123.1.119" and destination.port in (443))

Cite this record

Plain text, for a ticket or a report
Address 176.123.1.119 Family Sliver (command-and-control server) Ports :443 Status listed (feed checked 2026-10-30 18:37 UTC) First seen 2026-10-11 Last confirmed 2026-10-27 Record https://publicmosaic.com/ip/176.123.1.119 Source Public Mosaic, TLP:CLEAR