Public Mosaic C2 indicators
confirmed host

18.190.253.142

AdaptixC2command-and-control server · :443, :4321

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_795797892f9c53 other hosts · 47 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 scanner2026-10-31
In this archive since2026-10-31
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
:443 · HTTPSlisted8e81e8d28be57022c563de38_7022c563de38_795797892f9c
:4321listed8e81e8d28be57022c563de38_7022c563de38_795797892f9c

Observation history

Listed on 2 of the 65 days since this archive began recording, 2026-08-29 UTC.

  1. listed
  2. :443 and 1 more

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
  • 2026-10-31 – 2026-11-01 (2 days)

Evidence

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

TLS certificate 8e81e8d28be5

On both listeners.

tls certificate8e81e8d28be57fcd3974670e250936661681c08b7a263a9a95986cb65caf6b0c
cert subject18.191.225.246
cert issuer18.191.225.246
cert validity2026-10-18 → 2027-10-18
cert typeself-signed
cert key4096-bit
cert serial (hex)705a358e39efc2961ca7833f4e66afd4afe6af08
cert serial (decimal)641418698748399170252670016630905572708489539336

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
networkAS16509 · Amazon.com
confidence100 / 100

18.190.253.142:443 · AdaptixC2

listed

18.190.253.142:4321 · AdaptixC2

listed

Hosts sharing a value with this one

53 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 · 53 other hosts · 47 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, 13 are past the 40 hosts shown.

186.240.200.67AdaptixC2JA4X templatelisted
119.91.246.156AdaptixC2JA4X templatearchived
131.226.2.225AdaptixC2JA4X templatelisted
46.225.119.0AdaptixC2JA4X templatelisted
45.249.89.172AdaptixC2JA4X templatelisted
2.56.166.25AdaptixC2JA4X templatelisted
193.233.220.65AdaptixC2JA4X templatelisted
177.5.67.246AdaptixC2JA4X templatelisted
159.223.126.127AdaptixC2JA4X templatelisted
154.37.218.235AdaptixC2JA4X templatelisted
139.99.124.37AdaptixC2JA4X templatelisted
137.175.107.110AdaptixC2JA4X templatelisted
117.55.235.249AdaptixC2JA4X templatelisted
144.124.234.128AdaptixC2JA4X templatelisted
185.147.83.59AdaptixC2JA4X templatelisted
198.13.47.210AdaptixC2JA4X templatelisted
119.28.212.86AdaptixC2JA4X templatelisted
13.236.153.60AsyncRATJA4X templatelisted
193.181.213.156OverlordJA4X templatelisted
139.199.160.80AdaptixC2JA4X templatelisted
38.55.252.115DarkSwordJA4X templatelisted
44.195.239.154MythicJA4X templatelisted
52.86.95.53MythicJA4X templatelisted
5.180.27.57MythicJA4X templatearchived
94.139.252.190AdaptixC2JA4X templatelisted
178.16.52.239AdaptixC2JA4X templatelisted
18.220.97.18MythicJA4X templatearchived
119.45.105.71AdaptixC2JA4X templatelisted
45.93.95.212MythicJA4X templatearchived
193.112.254.32AdaptixC2JA4X templatelisted
193.112.169.214AdaptixC2JA4X templatelisted
47.243.96.54AdaptixC2JA4X templatelisted
85.202.161.25AdaptixC2JA4X templatelisted
114.132.190.121AdaptixC2JA4X templatelisted
51.79.220.125MythicJA4X templatearchived
155.138.215.87AdaptixC2JA4X templatelisted
143.92.57.247OverlordJA4X templatelisted
202.162.109.6OverlordJA4X templatelisted
202.162.109.5OverlordJA4X templatelisted
85.155.186.2AdaptixC2JA4X 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 == "18.190.253.142" and RemotePort in (443, 4321))
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "18.190.253.142" 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="18.190.253.142" (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 == "18.190.253.142" and destination.port in (443, 4321))

Cite this record

Plain text, for a ticket or a report
Address 18.190.253.142 Family AdaptixC2 (command-and-control server) Ports :443, :4321 Status listed (feed checked 2026-11-01 10:37 UTC) First seen 2026-10-31 Last confirmed 2026-11-01 Record https://publicmosaic.com/ip/18.190.253.142 Source Public Mosaic, TLP:CLEAR