Public Mosaic C2 indicators
confirmed host

62.234.75.12

Cobalt Strikecommand-and-control server · :54322

On AS45090.

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

SharedValueOther hosts
Cobalt Strike watermark39114493842 other hosts · 42 listed

A Cobalt Strike watermark is a weak link: cracked and leaked builds share one.

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

Network context

SharedValueOther hosts
NetworkAS45090 · Shenzhen Tencent Computer Systems Com…538 other hosts · 493 listed

Hosts near this one, for context only.

Summary

First seen by the scanner2026-09-28
In this archive since2026-09-28
Evidence1 beacon configuration · 1 file served
Look up elsewhereVirusTotal · Shodan · Censys
About this listingWhat a listing means · Is this your address?

Observation history

Listed on 33 of the 63 days since this archive began recording, 2026-08-29 UTC.

  1. listed
  2. :54322

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
  • 2026-09-28 – 2026-10-30 (33 days)

62.234.75.12:54322 · Cobalt Strike

Last confirmed (8 days ago)

first seen2026-09-28 03:55 UTC
serviceip-port · tcp
networkAS45090 · Shenzhen Tencent Computer Systems Com…
confidence100 / 100
cs watermark391144938

Beacon configuration

callback62.234.75.12 · same as this host
beacon typeHTTP
cs versionCobalt Strike 4.7 (Aug 17, 2022)
getGET /pixel
postPOST /submit.php
user-agentMozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0)
sleep60s ±0%
watermark391144938
server key md59f48d0f1095ec80d6a8590334abc1450
inject stubb50b86d735412685eb6044ad8d01781c
spawn to x86%windir%\syswow64\rundll32.exe
spawn to x64%windir%\sysnative\rundll32.exe

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

AddressSharesLast confirmedStatus
Cobalt Strike watermark · 42 other hosts · 42 listed

The watermark identifies the Cobalt Strike licence a beacon was built with. Cracked and leaked builds share watermarks widely, so it is not evidence of a single operator.

Of these, 2 are past the 40 hosts shown.

123.249.100.226watermarklisted
47.105.36.109watermarklisted
47.95.201.24watermarklisted
60.247.206.23watermarklisted
39.100.66.238watermarklisted
124.223.22.132watermarklisted
39.100.64.125watermarklisted
111.230.37.219watermarklisted
39.96.201.230watermarklisted
59.110.228.141watermarklisted
47.98.124.244watermarklisted
47.94.56.71watermarklisted
60.217.23.146watermarklisted
124.221.190.127watermarklisted
192.144.219.65watermarklisted
103.117.136.32watermarklisted
42.194.241.92watermarklisted
154.219.101.56watermarklisted
114.66.27.110watermarklisted
80.97.160.149watermarklisted
8.166.128.186watermarklisted
47.108.25.113watermarklisted
82.156.242.28watermarklisted
167.17.47.252watermarklisted
47.95.192.147watermarklisted
39.97.57.155watermarklisted
101.43.31.60watermarklisted
47.121.130.18watermarklisted
180.76.141.175watermarklisted
209.200.246.194watermarklisted
8.129.25.140watermarklisted
47.113.206.140watermarklisted
8.146.207.128watermarklisted
101.200.85.0watermarklisted
154.221.25.38watermarklisted
210.56.48.227watermarklisted
106.75.249.202watermarklisted
106.55.25.253watermarklisted
43.143.13.146watermarklisted
117.72.159.96watermarklisted

Samples served · 1 file

Files this address was seen serving, each identified by running or analysing it. A widely distributed file can reach unrelated hosts.

Every file here was served on :54322.

FileConfirmedFile last seen
919d51e3fcd06cde7040c9d9c28bca12ac2dcc3c9a914def56ab4249c655cb23analysed

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 and for the 1 file this address served. Queries hold only addresses, ports and file hashes.

Microsoft Defender XDR (KQL)
DeviceNetworkEvents
| where Timestamp > ago(30d)
| where (RemoteIP == "62.234.75.12" and RemotePort in (54322))
DeviceFileEvents
| where Timestamp > ago(30d)
| where SHA256 in ("919d51e3fcd06cde7040c9d9c28bca12ac2dcc3c9a914def56ab4249c655cb23")
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "62.234.75.12" and DestinationPort in (54322))
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="62.234.75.12" (All_Traffic.dest_port=54322)))
    by All_Traffic.src_ip All_Traffic.dest_ip All_Traffic.dest_port
| tstats summariesonly=false count min(_time) as first_time max(_time) as last_time
    from datamodel=Endpoint.Filesystem where earliest=-30d
    (Filesystem.file_hash="919d51e3fcd06cde7040c9d9c28bca12ac2dcc3c9a914def56ab4249c655cb23")
    by Filesystem.dest Filesystem.file_path Filesystem.file_hash
Elastic (EQL)
network where
  (destination.ip == "62.234.75.12" and destination.port in (54322))
file where file.hash.sha256 in ("919d51e3fcd06cde7040c9d9c28bca12ac2dcc3c9a914def56ab4249c655cb23")

Cite this record

Plain text, for a ticket or a report
Address 62.234.75.12 Family Cobalt Strike (command-and-control server) Ports :54322 Status listed (feed checked 2026-10-30 18:37 UTC) First seen 2026-09-28 Last confirmed 2026-10-22 Record https://publicmosaic.com/ip/62.234.75.12 Source Public Mosaic, TLP:CLEAR