Public Mosaic C2 indicators
confirmed host

143.198.113.241

Adaptixcommand-and-control server · :4321, :443

On AS14061.

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 template2bab15409345_2bab15409345_795797892f9c42 other hosts · 41 listed

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

Network context

SharedValueOther hosts
NetworkAS14061 · DigitalOcean186 other hosts · 181 listed

Hosts near this one, for context only.

Summary

First seen by the scanner2026-10-15
In this archive since2026-10-16
Ports2 · 2 listed
Evidence1 certificate
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
:4321listed6963216588c52bab15409345_2bab15409345_795797892f9c
:443 · HTTPSlisted

Observation history

Listed on 15 of the 63 days since this archive began recording, 2026-08-29 UTC.

  1. listed
  2. :4321
  3. :443

2026-08-292026-10-30

  • 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
  • 2026-10-16 – 2026-10-30 (15 days)

Evidence

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

TLS certificate 6963216588c5

On :4321.

tls certificate6963216588c54bc76085a2fa2d6412a28314461d3f0a4d61e2e7bd2765d8ad3a
cert subjectlocalhost
cert subject orgAdaptixC2
cert issuerlocalhost
cert issuer orgAdaptixC2
cert validity2026-10-14 → 2036-10-11
cert typeself-signed
cert key2048-bit
cert serial (hex)20e6789c3a6c9a7b4e7d7c3f2cb12b5915efa12f
cert serial (decimal)187827382698045084070693081303010378218329841967

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
networkAS14061 · DigitalOcean
confidence100 / 100

143.198.113.241:4321 · Adaptix

listed · certificate 6963216588c5

143.198.113.241:443 · Adaptix

listed

Hosts sharing a value with this one

42 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 · 42 other hosts · 41 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, 2 are past the 40 hosts shown.

23.158.24.123AdaptixJA4X templatelisted
165.22.104.177AdaptixJA4X templatelisted
89.31.121.156AdaptixJA4X templatelisted
82.25.12.111AdaptixJA4X templatelisted
80.94.92.180AdaptixJA4X templatelisted
69.165.75.89AdaptixJA4X templatelisted
38.60.238.25AdaptixJA4X templatelisted
23.94.212.126AdaptixJA4X templatelisted
23.102.109.4AdaptixJA4X templatelisted
180.76.97.85AdaptixJA4X templatelisted
161.35.63.251AdaptixJA4X templatelisted
104.207.93.167AdaptixJA4X templatelisted
45.150.38.95AdaptixJA4X templatelisted
43.135.34.69AdaptixJA4X templatelisted
193.32.162.108AdaptixJA4X templatelisted
131.226.2.185AdaptixJA4X templatelisted
91.92.243.115AdaptixJA4X templatelisted
103.149.91.234AdaptixJA4X templatelisted
5.152.222.114AdaptixJA4X templatelisted
166.1.249.50AdaptixJA4X templatelisted
106.53.107.131AdaptixJA4X templatelisted
1.14.234.68AdaptixJA4X templatelisted
101.36.123.12AdaptixJA4X templatelisted
68.64.177.24AdaptixJA4X templatelisted
45.127.32.150AdaptixJA4X templatelisted
109.111.45.66AdaptixJA4X templatelisted
172.169.251.53AdaptixJA4X templatelisted
43.143.57.45AdaptixJA4X templatelisted
154.81.34.26AdaptixJA4X templatelisted
217.154.212.25Cobalt StrikeJA4X templatelisted
23.158.24.65AdaptixJA4X templatelisted
194.182.87.116AdaptixJA4X templatelisted
91.92.241.187AdaptixJA4X templatelisted
91.92.241.184AdaptixJA4X templatelisted
89.124.108.211AdaptixJA4X templatearchived
43.156.61.27AdaptixJA4X templatelisted
164.90.205.13AdaptixJA4X templatelisted
144.172.118.114AdaptixJA4X templatelisted
119.45.93.117AdaptixJA4X templatelisted
192.255.139.206Cobalt StrikeJA4X 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 == "143.198.113.241" and RemotePort in (443, 4321))
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "143.198.113.241" and DestinationPort in (443, 4321))
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="143.198.113.241" (All_Traffic.dest_port=443 OR All_Traffic.dest_port=4321)))
    by All_Traffic.src_ip All_Traffic.dest_ip All_Traffic.dest_port
Elastic (EQL)
network where
  (destination.ip == "143.198.113.241" and destination.port in (443, 4321))

Cite this record

Plain text, for a ticket or a report
Address 143.198.113.241 Family Adaptix (command-and-control server) Ports :443, :4321 Status listed (feed checked 2026-10-30 18:37 UTC) First seen 2026-10-15 Last confirmed 2026-10-30 Record https://publicmosaic.com/ip/143.198.113.241 Source Public Mosaic, TLP:CLEAR