Public Mosaic C2 indicators
confirmed host

144.31.40.216

Cobalt Strikecommand-and-control server · :50050

On AS202226.

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 template2166164053c1_2166164053c1_30d204a01551429 other hosts · 426 listed

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

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. :50050

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)

144.31.40.216:50050 · Cobalt Strike

Last confirmed (today)

first seen2026-11-01 06:09 UTC
serviceip-port · tcp · Cobalt Strike team-server default
networkAS202226 · Emil Vitukhnovskii trading as Great F…
confidence100 / 100
tls certificate51a8689f805db697fbf72d0313cade54c32f73fee89136b2343c55c359103b9c
cert subjectMajor Cobalt Strike
cert subject orgcobaltstrike
cert issuerMajor Cobalt Strike
cert issuer orgcobaltstrike
cert validity2026-10-29 → 2027-01-27
cert typeself-signed
cert key2048-bit
cert serial (hex)9db107d300702c5a
cert serial (decimal)11362871937659317338

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

ja4x2166164053c1_2166164053c1_30d204a01551

Hosts sharing a value with this one

429 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 Cobalt Strike, as this one is.

AddressSharesLast confirmedStatus
JA4X template · 429 other hosts · 426 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, 389 are past the 40 hosts shown.

82.156.224.184JA4X templatelisted
85.175.101.203JA4X templatelisted
80.96.58.218JA4X templatelisted
43.243.73.187JA4X templatelisted
144.31.2.175JA4X templatelisted
109.238.92.50JA4X templatelisted
103.12.148.37JA4X templatelisted
46.19.140.50JA4X templatelisted
45.192.248.45JA4X templatelisted
218.237.58.53JA4X templatelisted
103.115.57.95JA4X templatelisted
38.76.219.253JA4X templatelisted
49.235.158.141JA4X templatelisted
8.163.59.20JA4X templatelisted
106.75.7.239JA4X templatelisted
113.250.188.15JA4X templatelisted
47.95.201.24JA4X templatelisted
39.96.201.230JA4X templatelisted
212.14.244.222JA4X templatelisted
14.225.212.124JA4X templatelisted
154.219.115.123JA4X templatelisted
121.4.38.18JA4X templatelisted
124.220.22.82JA4X templatelisted
39.100.64.125JA4X templatelisted
47.109.23.77JA4X templatelisted
85.11.182.104JA4X templatelisted
8.163.98.217JA4X templatelisted
1.117.74.144JA4X templatelisted
111.228.5.127JA4X templatelisted
117.158.148.164JA4X templatelisted
123.207.214.140JA4X templatelisted
23.238.82.42JA4X templatelisted
38.76.183.197JA4X templatelisted
47.86.184.71JA4X templatelisted
82.156.186.185JA4X templatelisted
222.255.215.42JA4X templatelisted
101.42.255.92JA4X templatelisted
8.152.212.104JA4X templatelisted
47.108.25.113JA4X templatelisted
117.72.181.104JA4X 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 == "144.31.40.216" and RemotePort in (50050))
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "144.31.40.216" and DestinationPort in (50050))
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="144.31.40.216" (All_Traffic.dest_port=50050)))
    by All_Traffic.src_ip All_Traffic.dest_ip All_Traffic.dest_port
Elastic (EQL)
network where
  (destination.ip == "144.31.40.216" and destination.port in (50050))

Cite this record

Plain text, for a ticket or a report
Address 144.31.40.216 Family Cobalt Strike (command-and-control server) Ports :50050 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/144.31.40.216 Source Public Mosaic, TLP:CLEAR