confirmed host

IP address 118.26.111.141

Cobalt Strikecommand-and-control server · :80

On AS135377.

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 watermark17552311 other host · 1 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
NetworkAS135377 · UCLOUD INFORMATION TECHNOLOGY (HK)11 other hosts · 11 listed

Hosts near this one, for context only.

Summary

First seen by the scanner2026-10-19
Evidence1 beacon configuration · 1 file served
Look up elsewhereVirusTotal · Shodan · Censys

Observation history

Listed on 12 of the 63 days since this archive began recording, 2026-08-29 UTC.

  1. listed
  2. :80

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
  • 2026-10-19 – 2026-10-30 (12 days)

118.26.111.141:80 · Cobalt Strike

Last confirmed (11 days ago)

first seen2026-10-19 06:10 UTC
serviceip-port · tcp
networkAS135377 · UCLOUD INFORMATION TECHNOLOGY (HK)
confidence100 / 100
cs watermark1755231

Beacon configuration

callbackwww.eurocommerce.top · set in the beacon by its builder; may be a redirector or a borrowed name
beacon typeHTTP
cs versionCobalt Strike 4.5 (Dec 14, 2021)
getGET /jquery-3.3.1.easing.min.js
postPOST /jquery-3.3.2.easing.min.js
user-agentMozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36
sleep6s ±17%
watermark1755231
server key md501f595d2513f5ebbb0c6b4afa348b072
inject stub110dd8ef9221f1e83cd37910ffdda53c
spawn to x86%windir%\syswow64\wbem\wmiprvse.exe -Embedding
spawn to x64%windir%\sysnative\wbem\wmiprvse.exe -Embedding

Hosts sharing a value with this one

1 other host in this archive shares 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 · 1 other host · 1 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.

101.35.247.212watermarklisted

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 :80.

FileConfirmedFile last seen
93bca24b2196870a328bb6aec3d062660b53e42633edceb116aaec3368636a6banalysed

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 == "118.26.111.141" and RemotePort in (80))
DeviceFileEvents
| where Timestamp > ago(30d)
| where SHA256 in ("93bca24b2196870a328bb6aec3d062660b53e42633edceb116aaec3368636a6b")
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "118.26.111.141" and DestinationPort in (80))
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="118.26.111.141" (All_Traffic.dest_port=80)))
    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="93bca24b2196870a328bb6aec3d062660b53e42633edceb116aaec3368636a6b")
    by Filesystem.dest Filesystem.file_path Filesystem.file_hash
Elastic (EQL)
network where
  (destination.ip == "118.26.111.141" and destination.port in (80))
file where file.hash.sha256 in ("93bca24b2196870a328bb6aec3d062660b53e42633edceb116aaec3368636a6b")

Cite this record

Plain text, for a ticket or a report
Address 118.26.111.141 Family Cobalt Strike (command-and-control server) Ports :80 Status listed (feed checked 2026-10-30 18:37 UTC) First seen 2026-10-19 Last confirmed 2026-10-19 Record https://publicmosaic.com/ip/118.26.111.141 Source Public Mosaic, TLP:CLEAR