Public Mosaic C2 indicators
confirmed host

54.162.178.249

Cobalt Strikecommand-and-control server · :50050, :443

On AS14618. It presented 2 certificates; 145 other hosts share at least one of them.

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 certificate87f2085c32b6a2cc709b365f55873e207a9caa10bffecf2fd16d3cf9d94d390c145 other hosts · 144 listed
JA4X template2166164053c1_2166164053c1_30d204a01551420 other hosts · 417 listed

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

Network context

SharedValueOther hosts
NetworkAS14618 · Amazon.com30 other hosts · 29 listed

Hosts near this one, for context only.

Summary

First seen by the scanner2026-09-27
In this archive since2026-09-27
Ports2 · 1 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
:50050 · Cobalt Strike team-server defaultlisted376c9553a7972166164053c1_2166164053c1_30d204a01551
:443 · HTTPSno longer listed87f2085c32b62166164053c1_2166164053c1_30d204a01551

Observation history

Listed on 34 of the 63 days since this archive began recording, 2026-08-29 UTC.

  1. listed
  2. :50050
  3. :443

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
  • 2026-09-27 – 2026-10-30 (34 days)

Evidence

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

TLS certificate 376c9553a797

On :50050.

tls certificate376c9553a7970dd0d218b69df006c67bdaa43005aee21a908f15d5d364c7260c
cert subjectMajor Cobalt Strike
cert subject orgcobaltstrike
cert issuerMajor Cobalt Strike
cert issuer orgcobaltstrike
cert validity2026-09-26 → 2026-12-25
cert typeself-signed
cert key3072-bit
cert serial (hex)155d8c60e635bb6d
cert serial (decimal)1539540995437607789

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 87f2085c32b6

On :443.

tls certificate87f2085c32b6a2cc709b365f55873e207a9caa10bffecf2fd16d3cf9d94d390c
cert validity2015-05-20 → 2025-05-17
cert typeself-signed
cert key2048-bit
cert serial (hex)08bb00ee
cert serial (decimal)146473198

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
networkAS14618 · Amazon.com
confidence100 / 100

54.162.178.249:50050 · Cobalt Strike

listed · certificate 376c9553a797

54.162.178.249:443 · Cobalt Strike

no longer listed · certificate 87f2085c32b6

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. Every host shown is labelled Cobalt Strike, as this one is.

AddressSharesLast confirmedStatus
TLS certificate · 145 other hosts · 144 listed

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

Of these, 105 are past the 40 hosts shown.

8.163.59.20certificate · JA4X templatelisted
117.72.182.5certificate · JA4X templatelisted
192.252.185.78certificate · JA4X templatelisted
49.232.42.116certificate · JA4X templatelisted
113.250.188.15certificate · JA4X templatelisted
47.105.36.109certificate · JA4X templatelisted
101.42.255.92certificate · JA4X templatelisted
111.231.116.164certificate · JA4X templatelisted
117.72.181.104certificate · JA4X templatelisted
60.247.206.23certificate · JA4X templatelisted
222.255.215.42certificate · JA4X templatelisted
82.156.219.31certificate · JA4X templatelisted
8.222.166.74certificate · JA4X templatelisted
64.177.112.233certificate · JA4X templatelisted
192.3.251.109certificate · JA4X templatelisted
176.123.5.4certificate · JA4X templatelisted
173.208.167.73certificate · JA4X templatelisted
120.79.64.164certificate · JA4X templatelisted
110.42.225.241certificate · JA4X templatelisted
82.156.186.185certificate · JA4X templatelisted
47.86.184.71certificate · JA4X templatelisted
38.76.183.197certificate · JA4X templatelisted
23.238.82.42certificate · JA4X templatelisted
123.207.214.140certificate · JA4X templatelisted
117.158.148.164certificate · JA4X templatelisted
111.228.5.127certificate · JA4X templatelisted
85.11.182.104certificate · JA4X templatelisted
39.100.64.125certificate · JA4X templatelisted
203.98.68.25certificate · JA4X templatelisted
203.98.68.24certificate · JA4X templatelisted
140.143.193.143certificate · JA4X templatelisted
1.117.74.144certificate · JA4X templatelisted
124.220.22.82certificate · JA4X templatelisted
121.4.38.18certificate · JA4X templatelisted
192.144.171.134certificate · JA4X templatelisted
47.84.50.235certificate · JA4X templatelisted
14.225.212.124certificate · JA4X templatelisted
212.14.244.222certificate · JA4X templatelisted
106.53.61.9certificate · JA4X templatelisted
129.28.122.92certificate · JA4X templatelisted
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 1 listed listener (1 archived record left out).

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 == "54.162.178.249" and RemotePort in (50050))
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "54.162.178.249" 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="54.162.178.249" (All_Traffic.dest_port=50050)))
    by All_Traffic.src_ip All_Traffic.dest_ip All_Traffic.dest_port
Elastic (EQL)
network where
  (destination.ip == "54.162.178.249" and destination.port in (50050))

Cite this record

Plain text, for a ticket or a report
Address 54.162.178.249 Family Cobalt Strike (command-and-control server) Ports :443, :50050 Status listed (feed checked 2026-10-30 18:37 UTC) First seen 2026-09-27 Last confirmed 2026-09-27 Record https://publicmosaic.com/ip/54.162.178.249 Source Public Mosaic, TLP:CLEAR