Public Mosaic C2 indicators
confirmed host

13.49.66.51

Slivercommand-and-control server · :31337

On AS16509.

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 template7022c563de38_7022c563de38_bf0f0589fc03829 other hosts · 690 listed

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

Network context

SharedValueOther hosts
NetworkAS16509 · Amazon.com110 other hosts · 104 listed

Hosts near this one, for context only.

Summary

First seen by the scanner2026-11-01
In this archive since2026-11-01
Evidence1 certificate
Look up elsewhereVirusTotal · Shodan · Censys
About this listingWhat a listing means · Is this your address?

Observation history

Listed on 1 of the 65 days since this archive began recording, 2026-08-29 UTC.

  1. listed
  2. :31337

2026-08-292026-11-01

  • first seen to last confirmed

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
  • 2026-11-01 (1 day)

13.49.66.51:31337 · Sliver

Last confirmed (today)

first seen2026-11-01 06:04 UTC
serviceip-port · tcp · Sliver default
networkAS16509 · Amazon.com
confidence100 / 100
tls certificate48360c346edd6a33c9fc211461d794bacfccc7585fbef29d399f47ec0475c30c
cert subjectmultiplayer
cert issueroperators
cert validity2025-07-30 → 2027-07-30
cert typeissuer-signed
cert key256-bit
cert serial (hex)e219f444e6ed5e2882dbd4f929797480
cert serial (decimal)300540288835781212272438607549465982080
cert namesmultiplayer

The names above are what the certificate asserts, signed by the issuer it names, which may be a public certificate authority, a private one, or one a builder ships. This site verifies none of it, so treat a name here as a lead to investigate, never an attribution.

ja4x7022c563de38_7022c563de38_bf0f0589fc03

Hosts sharing a value with this one

829 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. Every host shown is labelled Sliver, as this one is.

AddressSharesLast confirmedStatus
JA4X template · 829 other hosts · 690 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, 789 are past the 40 hosts shown.

16.5.7.159JA4X templatelisted
94.183.156.29JA4X templatelisted
94.136.186.182JA4X templatelisted
82.26.157.26JA4X templatelisted
68.233.238.112JA4X templatelisted
66.179.30.60JA4X templatelisted
5.230.34.221JA4X templatelisted
45.61.187.26JA4X templatelisted
38.207.177.71JA4X templatelisted
37.72.140.16JA4X templatelisted
31.76.111.31JA4X templatelisted
31.76.111.236JA4X templatelisted
193.25.217.9JA4X templatelisted
193.124.46.95JA4X templatelisted
192.236.217.54JA4X templatelisted
186.240.200.67JA4X templatelisted
179.43.150.26JA4X templatelisted
172.81.61.139JA4X templatelisted
154.222.16.250JA4X templatelisted
144.31.223.247JA4X templatelisted
144.31.220.111JA4X templatelisted
132.243.222.250JA4X templatelisted
103.116.246.154JA4X templatelisted
165.227.210.117JA4X templatelisted
108.61.247.185JA4X templatelisted
106.12.190.248JA4X templatelisted
104.153.209.125JA4X templatelisted
47.116.113.15JA4X templatelisted
185.197.193.121JA4X templatelisted
92.119.164.140JA4X templatelisted
38.60.220.112JA4X templatelisted
45.74.31.54JA4X templatelisted
103.121.95.90JA4X templatelisted
103.185.249.13JA4X templatelisted
204.194.54.61JA4X templatelisted
37.114.41.131JA4X templatelisted
94.26.3.106JA4X templatelisted
89.23.102.186JA4X templatelisted
89.127.233.126JA4X templatelisted
89.169.47.107JA4X 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 == "13.49.66.51" and RemotePort in (31337))
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "13.49.66.51" and DestinationPort in (31337))
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="13.49.66.51" (All_Traffic.dest_port=31337)))
    by All_Traffic.src_ip All_Traffic.dest_ip All_Traffic.dest_port
Elastic (EQL)
network where
  (destination.ip == "13.49.66.51" and destination.port in (31337))

Cite this record

Plain text, for a ticket or a report
Address 13.49.66.51 Family Sliver (command-and-control server) Ports :31337 Status listed (feed checked 2026-11-01 09:37 UTC) First seen 2026-11-01 Last confirmed 2026-11-01 Record https://publicmosaic.com/ip/13.49.66.51 Source Public Mosaic, TLP:CLEAR