confirmed host

IP address 60.205.223.45

Cobalt Strikecommand-and-control server · :8081

On AS37963.

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 watermark123456789018 other hosts · 18 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
NetworkAS37963 · Hangzhou Alibaba Advertising431 other hosts · 430 listed

Hosts near this one, for context only.

Summary

First seen by the scanner2026-09-22
Evidence1 beacon configuration · 1 file served
Look up elsewhereVirusTotal · Shodan · Censys

Observation history

Listed on 39 of the 63 days since this archive began recording, 2026-08-29 UTC.

  1. listed
  2. :8081

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
  • 2026-09-22 – 2026-10-30 (39 days)

60.205.223.45:8081 · Cobalt Strike

Last confirmed (9 days ago)

first seen2026-09-22 06:06 UTC
serviceip-port · tcp
networkAS37963 · Hangzhou Alibaba Advertising
confidence100 / 100
cs watermark1234567890

Beacon configuration

callback60.205.223.45 · same as this host
beacon typeHTTP
cs versionCobalt Strike 4.4 (Aug 04, 2021)
getGET /ca
postPOST /submit.php
user-agentMozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; BOIE9;ENGB)
sleep60s ±0%
watermark1234567890
server key md5b38292fd81fff484473b09dd6183af07
inject stub222b8f27dbdfba8ddd559eeca27ea648
spawn to x86%windir%\syswow64\rundll32.exe
spawn to x64%windir%\sysnative\rundll32.exe

Hosts sharing a value with this one

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

AddressSharesLast confirmedStatus
Cobalt Strike watermark · 18 other hosts · 18 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.

116.62.174.16watermarklisted
121.4.38.18watermarklisted
193.239.86.192watermarklisted
47.116.130.234watermarklisted
47.114.83.19watermarklisted
193.239.86.193watermarklisted
47.74.43.122watermarklisted
154.219.101.56watermarklisted
1.12.59.176watermarklisted
106.54.201.103watermarklisted
47.97.199.23watermarklisted
121.43.58.113watermarklisted
47.122.120.188watermarklisted
139.199.18.159watermarklisted
83.229.123.201watermarklisted
111.229.248.198watermarklisted
162.14.150.23watermarklisted
47.82.234.12watermarklisted

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 :8081.

FileConfirmedFile last seen
e63bc325d333ad090f46c48d1ea894a1b6e1c38b6f33e9226900947913b995afanalysed

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 == "60.205.223.45" and RemotePort in (8081))
DeviceFileEvents
| where Timestamp > ago(30d)
| where SHA256 in ("e63bc325d333ad090f46c48d1ea894a1b6e1c38b6f33e9226900947913b995af")
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "60.205.223.45" and DestinationPort in (8081))
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="60.205.223.45" (All_Traffic.dest_port=8081)))
    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="e63bc325d333ad090f46c48d1ea894a1b6e1c38b6f33e9226900947913b995af")
    by Filesystem.dest Filesystem.file_path Filesystem.file_hash
Elastic (EQL)
network where
  (destination.ip == "60.205.223.45" and destination.port in (8081))
file where file.hash.sha256 in ("e63bc325d333ad090f46c48d1ea894a1b6e1c38b6f33e9226900947913b995af")

Cite this record

Plain text, for a ticket or a report
Address 60.205.223.45 Family Cobalt Strike (command-and-control server) Ports :8081 Status listed (feed checked 2026-10-30 18:37 UTC) First seen 2026-09-22 Last confirmed 2026-10-21 Record https://publicmosaic.com/ip/60.205.223.45 Source Public Mosaic, TLP:CLEAR