Public Mosaic C2 indicators
confirmed host

154.94.237.203

Cobalt StrikeVShellcontrollers · :50050, :8084

On AS401701. Its certificate is shared with 53 other hosts.

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
TLS certificate56a06a233bd30f693de25ef12cc19e8b2c92d3eb97dd969a2578df084c37647853 other hosts · 53 listed
Issuance cohort2166164053c1_2166164053c1_30d204a01551_60e4afe8b719_4c8172b9dba553 other hosts · 53 listed
JA4X template2166164053c1_2166164053c1_30d204a01551420 other hosts · 417 listed

Network context

SharedValueOther hosts
NetworkAS401701 · cognetcloud68 other hosts · 68 listed

Hosts near this one, for context only.

Summary

First seen by the scanner2026-10-22
In this archive since2026-10-22
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, across 2 families. First seen and last confirmed dates are per row, by UTC day.

PortFamilyFirst seenLast confirmedStatusTLS certificateJA4X
:50050 · Cobalt Strike team-server defaultCobalt Strikelisted56a06a233bd32166164053c1_2166164053c1_30d204a01551
:8084VShelllisted

Observation history

Listed on 9 of the 63 days since this archive began recording, 2026-08-29 UTC.

  1. listed
  2. :50050
  3. :8084

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
  • 2026-10-22 – 2026-10-30 (9 days)

Evidence

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

TLS certificate 56a06a233bd3

On :50050.

tls certificate56a06a233bd30f693de25ef12cc19e8b2c92d3eb97dd969a2578df084c376478
cert subjectMajor Cobalt Strike
cert subject orgcobaltstrike
cert issuerMajor Cobalt Strike
cert issuer orgcobaltstrike
cert validity2022-08-30 → 2022-11-28
cert typeself-signed
cert key2048-bit
cert serial (hex)27530dfe
cert serial (decimal)659754494

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
networkAS401701 · cognetcloud
confidence100 / 100

154.94.237.203:50050 · Cobalt Strike

listed · certificate 56a06a233bd3

cohortshared issuance template · 54 hosts

154.94.237.203:8084 · VShell

listed

Hosts sharing a value with this one

420 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
TLS certificate · 53 other hosts · 53 listed

These hosts presented the same certificate. Leaked or resold profiles reuse certificates, so this is not evidence of a single operator.

Of these, 13 are past the 40 hosts shown.

113.250.188.15Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
60.247.206.23Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
47.120.32.72Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
43.136.19.18Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
192.3.251.109Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
192.253.229.133Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
139.196.201.58Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
134.122.204.168Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
107.148.237.76Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
124.223.22.132Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
111.228.5.127Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
185.184.70.41Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
156.254.20.48Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
156.254.20.47Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
156.254.20.46Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
120.48.18.226Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
8.137.169.91Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
47.93.243.161Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
114.215.190.105Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
123.56.124.3Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
47.98.124.244Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
106.12.61.28Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
43.243.73.187Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
103.12.148.37Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
139.196.111.118Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
146.19.216.170Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
146.19.216.163Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
175.124.145.102Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
64.7.199.195Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
134.122.203.247Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
1.15.76.39Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
95.182.114.29Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
150.158.102.111Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
111.230.37.219Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
42.194.241.92Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
82.156.242.28Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
154.219.101.56Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
8.148.201.210Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
121.40.37.49Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
47.95.192.147Cobalt Strikecertificate · issuance cohort · JA4X templatelisted
Issuance cohort · 53 other hosts · 53 listed

A shared value says the hosts were set up alike, not that one operator runs them.

Of these, 40 are listed under an earlier value and 13 are past the 40 hosts shown.

JA4X template · 420 other hosts · 417 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, 40 are listed under an earlier value and 380 are past the 40 hosts shown.

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 == "154.94.237.203" and RemotePort in (8084, 50050))
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "154.94.237.203" and DestinationPort in (8084, 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="154.94.237.203" (All_Traffic.dest_port=8084 OR All_Traffic.dest_port=50050)))
    by All_Traffic.src_ip All_Traffic.dest_ip All_Traffic.dest_port
Elastic (EQL)
network where
  (destination.ip == "154.94.237.203" and destination.port in (8084, 50050))

Cite this record

Plain text, for a ticket or a report
Address 154.94.237.203 Family Cobalt Strike, VShell Ports :8084, :50050 Status listed (feed checked 2026-10-30 18:37 UTC) First seen 2026-10-22 Last confirmed 2026-10-30 Record https://publicmosaic.com/ip/154.94.237.203 Source Public Mosaic, TLP:CLEAR