Public Mosaic C2 indicators
confirmed host

49.232.193.137

DayBreakcommand-and-control server · :1337, :50011

On AS45090.

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_1c314e97029a14 other hosts · 14 listed

Not shared with any other host in this archive: 2 certificates.

Network context

SharedValueOther hosts
NetworkAS45090 · Shenzhen Tencent Computer Systems Com…538 other hosts · 493 listed

Hosts near this one, for context only.

Summary

First seen by the scanner2026-09-22
In this archive since2026-09-22
Ports2 · 2 listed
Evidence2 certificates
Look up elsewhereVirusTotal · Shodan · Censys
About this listingWhat a listing means · Is this your address?

Ports

This address answered on 2 ports. First seen and last confirmed dates are per row, by UTC day.

PortFirst seenLast confirmedStatusTLS certificateJA4X
:1337 · common C2 portlisteda412e2e5d94d7022c563de38_7022c563de38_1c314e97029a
:50011listed82663f5532cc7022c563de38_7022c563de38_1c314e97029a

Observation history

Listed on 39 of the 63 days since this archive began recording, 2026-08-29 UTC.

  1. listed
  2. :1337 and 1 more

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
  • 2026-09-22 – 2026-10-30 (39 days)

Evidence

Each certificate, configuration and file appears once, with the listeners that carried it.

TLS certificate a412e2e5d94d

On :1337.

tls certificatea412e2e5d94de2c999cc8fd3fd6988912d9b7e92de4bf261982fbdb5956a4532
cert subjectbas-server
cert issuerbas-server
cert validity2026-08-27 → 2036-08-27
cert typeself-signed
cert key2048-bit
cert serial (hex)bc4ff2
cert serial (decimal)12341234

The names above are what the certificate claims, not proof that this host owns them. Treat a familiar name as a likely impersonation.

TLS certificate 82663f5532cc

On :50011.

tls certificate82663f5532ccaa9a9988801b897dd76d61138655797a5b778f71530aee11f190
cert subjectbas-listener
cert issuerbas-listener
cert validity2026-08-27 → 2036-08-27
cert typeself-signed
cert key2048-bit
cert serial (hex)bc4ff2
cert serial (decimal)12341234

The names above are what the certificate claims, not proof that this host owns them. Treat a familiar name as a likely impersonation.

Listeners

Each listener below shows its status and what sets it apart. Dates are in Ports; certificates, configurations and files in Evidence. Common to both listeners:

serviceip-port · tcp
networkAS45090 · Shenzhen Tencent Computer Systems Com…
confidence100 / 100
jarm3fd21b20d00000021c43d21b21b43de0a012c76cf078b8d06f4620c2286f5e

49.232.193.137:1337 · DayBreak

listed · certificate a412e2e5d94d

49.232.193.137:50011 · DayBreak

listed · certificate 82663f5532cc

Hosts sharing a value with this one

14 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. Every host shown is labelled DayBreak, as this one is.

AddressSharesLast confirmedStatus
JA4X template · 14 other hosts · 14 listed

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

149.104.26.229JA4X templatelisted
82.157.69.197JA4X templatelisted
113.44.73.93JA4X templatelisted
111.124.203.18JA4X templatelisted
117.72.43.92JA4X templatelisted
47.98.255.204JA4X templatelisted
36.150.168.184JA4X templatelisted
8.162.12.170JA4X templatelisted
8.222.226.141JA4X templatelisted
101.34.218.233JA4X templatelisted
140.143.248.11JA4X templatelisted
106.14.243.66JA4X templatelisted
122.51.22.201JA4X templatelisted
45.136.14.72JA4X templatelisted

Deploy

Suricata rules and hunt queries for this address’s 2 listed listeners.

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 == "49.232.193.137" and RemotePort in (1337, 50011))
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "49.232.193.137" and DestinationPort in (1337, 50011))
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="49.232.193.137" (All_Traffic.dest_port=1337 OR All_Traffic.dest_port=50011)))
    by All_Traffic.src_ip All_Traffic.dest_ip All_Traffic.dest_port
Elastic (EQL)
network where
  (destination.ip == "49.232.193.137" and destination.port in (1337, 50011))

Cite this record

Plain text, for a ticket or a report
Address 49.232.193.137 Family DayBreak (command-and-control server) Ports :1337, :50011 Status listed (feed checked 2026-10-30 20:07 UTC) First seen 2026-09-22 Last confirmed 2026-09-25 Record https://publicmosaic.com/ip/49.232.193.137 Source Public Mosaic, TLP:CLEAR