Public Mosaic C2 indicators
confirmed host

103.117.136.32

AdaptixCobalt Strikecontrollers · :443, :3388

On AS401696. 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, watermarks last. A shared value says the hosts were set up alike, not that one operator runs them.

SharedValueOther hosts
JA4X template711618dec96d_711618dec96d_795797892f9c1 other host · 1 listed
TLS certificate87f2085c32b6a2cc709b365f55873e207a9caa10bffecf2fd16d3cf9d94d390c145 other hosts · 143 listed
JA4X template2166164053c1_2166164053c1_30d204a01551420 other hosts · 417 listed
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, 1 certificate.

Network context

SharedValueOther hosts
NetworkAS401696 · cognetcloud39 other hosts · 39 listed

Hosts near this one, for context only.

Summary

First seen by the scanner2026-10-19
In this archive since2026-10-19
Ports2 · 2 listed
Evidence2 certificates · 1 beacon configuration · 2 files served
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 certificateJA4XConfiguration
:443 · HTTPSAdaptixlisted4788f12ba02d711618dec96d_711618dec96d_795797892f9c
:3388Cobalt Strikelisted87f2085c32b62166164053c1_2166164053c1_30d204a01551beacon

Observation history

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

  1. listed
  2. :443
  3. :3388

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)

Evidence

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

TLS certificate 4788f12ba02d

On :443.

tls certificate4788f12ba02da44a2a70813c7d6cb2dbc2854da3dd4a79302f60f9fdcb560096
cert subjectwww.microsoft.com
cert subject orgMicrosoft Corporation
cert issuerwww.microsoft.com
cert issuer orgMicrosoft Corporation
cert validity2026-10-22 → 2036-10-19
cert typeself-signed
cert key2048-bit
cert serial (hex)1f560b9b88850026dc099d8ce042ca2e62fcd779
cert serial (decimal)178897589142990366937276674504015108898111149945

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 :3388.

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.

Beacon configuration

On :3388.

callback103.117.136.32 · same as this host
beacon port3388
beacon typeHTTPS
cs versionCobalt Strike 4.7 (Aug 17, 2022)
getGET /cx
postPOST /submit.php
user-agentMozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; MANM)
sleep60s ±0%
watermark391144938
server key md570ff0aca09bc7601c79caa847eeae824
inject stubb50b86d735412685eb6044ad8d01781c
spawn to x86%windir%\syswow64\rundll32.exe
spawn to x64%windir%\sysnative\rundll32.exe

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
networkAS401696 · cognetcloud
confidence100 / 100

103.117.136.32:443 · Adaptix

listed · certificate 4788f12ba02d

observed hostwww.microsoft.com
jarm29d29d00000000000043d43d00043dc3b2afa8a5ec09b510a8559aff7899fb

103.117.136.32:3388 · Cobalt Strike

listed · certificate 87f2085c32b6 · beacon

Hosts sharing a value with this one

432 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
JA4X template 711618dec96d_711618dec96d_795797892f9c · 1 other host · 1 listed

These hosts’ certificates share one JA4X template, which points to the same certificate tooling. It is not evidence of a single operator.

5.180.20.26AdaptixJA4X templatelisted
TLS certificate · 145 other hosts · 143 listed

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

Of these, 106 are past the 40 hosts shown.

8.163.59.20Cobalt Strikecertificate · JA4X templatelisted
117.72.182.5Cobalt Strikecertificate · JA4X templatelisted
192.252.185.78Cobalt Strikecertificate · JA4X templatelisted
49.232.42.116Cobalt Strikecertificate · JA4X templatelisted
113.250.188.15Cobalt Strikecertificate · JA4X templatelisted
47.105.36.109Cobalt Strikecertificate · JA4X template · watermarklisted
101.42.255.92Cobalt Strikecertificate · JA4X templatelisted
111.231.116.164Cobalt Strikecertificate · JA4X templatelisted
117.72.181.104Cobalt Strikecertificate · JA4X templatelisted
60.247.206.23Cobalt Strikecertificate · JA4X template · watermarklisted
222.255.215.42Cobalt Strikecertificate · JA4X templatelisted
82.156.219.31Cobalt Strikecertificate · JA4X templatelisted
8.222.166.74Cobalt Strikecertificate · JA4X templatelisted
64.177.112.233Cobalt Strikecertificate · JA4X templatelisted
192.3.251.109Cobalt Strikecertificate · JA4X templatelisted
176.123.5.4Cobalt Strikecertificate · JA4X templatelisted
173.208.167.73Cobalt Strikecertificate · JA4X templatelisted
120.79.64.164Cobalt Strikecertificate · JA4X templatelisted
110.42.225.241Cobalt Strikecertificate · JA4X templatelisted
82.156.186.185Cobalt Strikecertificate · JA4X templatelisted
47.86.184.71Cobalt Strikecertificate · JA4X templatelisted
38.76.183.197Cobalt Strikecertificate · JA4X templatelisted
23.238.82.42Cobalt Strikecertificate · JA4X templatelisted
123.207.214.140Cobalt Strikecertificate · JA4X templatelisted
117.158.148.164Cobalt Strikecertificate · JA4X templatelisted
111.228.5.127Cobalt Strikecertificate · JA4X templatelisted
85.11.182.104Cobalt Strikecertificate · JA4X templatelisted
39.100.64.125Cobalt Strikecertificate · JA4X template · watermarklisted
203.98.68.25Cobalt Strikecertificate · JA4X templatelisted
203.98.68.24Cobalt Strikecertificate · JA4X templatelisted
140.143.193.143Cobalt Strikecertificate · JA4X templatelisted
1.117.74.144Cobalt Strikecertificate · JA4X templatelisted
124.220.22.82Cobalt Strikecertificate · JA4X templatelisted
121.4.38.18Cobalt Strikecertificate · JA4X templatelisted
192.144.171.134Cobalt Strikecertificate · JA4X templatelisted
47.84.50.235Cobalt Strikecertificate · JA4X templatelisted
14.225.212.124Cobalt Strikecertificate · JA4X templatelisted
212.14.244.222Cobalt Strikecertificate · JA4X templatelisted
106.53.61.9Cobalt Strikecertificate · JA4X templatelisted
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, 3 are listed under an earlier value and 39 are past the 40 hosts shown.

Samples served · 2 files

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 :3388.

FileConfirmedFile last seen
ef19c70918083495b42f73c5bcfc40a3094588f199065bd4cf39d849fa988361analysed
cf5805e961289c20fa4c76029970a447222a8dfe084935d3e419d2b2d877c11aanalysed

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 and for the 2 files this address served. Queries hold only addresses, ports and file hashes.

Microsoft Defender XDR (KQL)
DeviceNetworkEvents
| where Timestamp > ago(30d)
| where (RemoteIP == "103.117.136.32" and RemotePort in (443, 3388))
DeviceFileEvents
| where Timestamp > ago(30d)
| where SHA256 in ("cf5805e961289c20fa4c76029970a447222a8dfe084935d3e419d2b2d877c11a", "ef19c70918083495b42f73c5bcfc40a3094588f199065bd4cf39d849fa988361")
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "103.117.136.32" and DestinationPort in (443, 3388))
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="103.117.136.32" (All_Traffic.dest_port=443 OR All_Traffic.dest_port=3388)))
    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="cf5805e961289c20fa4c76029970a447222a8dfe084935d3e419d2b2d877c11a" OR Filesystem.file_hash="ef19c70918083495b42f73c5bcfc40a3094588f199065bd4cf39d849fa988361")
    by Filesystem.dest Filesystem.file_path Filesystem.file_hash
Elastic (EQL)
network where
  (destination.ip == "103.117.136.32" and destination.port in (443, 3388))
file where file.hash.sha256 in ("cf5805e961289c20fa4c76029970a447222a8dfe084935d3e419d2b2d877c11a", "ef19c70918083495b42f73c5bcfc40a3094588f199065bd4cf39d849fa988361")

Cite this record

Plain text, for a ticket or a report
Address 103.117.136.32 Family Adaptix, Cobalt Strike Ports :443, :3388 Status listed (feed checked 2026-10-30 18:37 UTC) First seen 2026-10-19 Last confirmed 2026-10-30 Record https://publicmosaic.com/ip/103.117.136.32 Source Public Mosaic, TLP:CLEAR