Public Mosaic C2 indicators
confirmed host

61.244.37.100

Supershellcommand-and-control server · :30519

On AS10103.

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
JA4X templatea373a9f83c6b_a373a9f83c6b_6361793a4d9e107 other hosts · 61 listed

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

Summary

First seen by the scanner2026-09-28
In this archive since2026-09-28
Evidence1 certificate
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. :30519

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)

61.244.37.100:30519 · Supershell

Last confirmed (22 days ago)

first seen2026-09-28 03:05 UTC
serviceip-port · tcp
networkAS10103 · HK Broadband Network
confidence100 / 100
tls certificateb9986fbcf004a94967c132da7b94e2ae141748acb3239f7be3c272a75d3d9db9
cert subject:3232
cert subject orgCloudflare, Inc
cert issuer:3232
cert issuer orgCloudflare, Inc
cert validity2026-08-30 → 2026-09-29
cert typeself-signed
cert key2048-bit
cert serial (hex)6a939f1f
cert serial (decimal)1788059423

The names above are what the certificate claims, not proof that this host owns them. Treat a familiar name as a likely impersonation.

ja4xa373a9f83c6b_a373a9f83c6b_6361793a4d9e

Hosts sharing a value with this one

107 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 · 107 other hosts · 61 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, 67 are past the 40 hosts shown.

118.107.44.149SupershellJA4X templatelisted
156.225.26.28SupershellJA4X templatelisted
118.107.44.162SupershellJA4X templatelisted
118.107.44.140SupershellJA4X templatelisted
183.60.226.2SupershellJA4X templatelisted
47.238.116.190SupershellJA4X templatelisted
89.125.10.10SupershellJA4X templatelisted
20.196.147.118SupershellJA4X templatelisted
64.185.233.165SupershellJA4X templatelisted
107.148.2.52SupershellJA4X templatelisted
154.18.239.21SupershellJA4X templatelisted
123.56.5.210SupershellJA4X templatelisted
185.25.50.109SupershellJA4X templatelisted
34.96.225.28SupershellJA4X templatelisted
8.210.120.225SupershellJA4X templatelisted
8.138.155.217SupershellJA4X templatelisted
8.218.231.53SupershellJA4X templatelisted
103.195.188.38SupershellJA4X templatelisted
192.210.248.125SupershellJA4X templatelisted
66.154.106.44SupershellJA4X templatelisted
117.72.209.125SupershellJA4X templatelisted
172.247.228.250SupershellJA4X templatelisted
40.124.184.160Supershell, reverse_sshJA4X templatelisted
103.231.254.57SupershellJA4X templatelisted
117.72.202.93SupershellJA4X templatelisted
192.144.32.213SupershellJA4X templatelisted
113.45.238.149SupershellJA4X templatelisted
107.173.71.55SupershellJA4X templatelisted
64.185.233.163SupershellJA4X templatelisted
64.185.233.164SupershellJA4X templatelisted
43.246.210.148SupershellJA4X templatelisted
64.185.233.162SupershellJA4X templatelisted
152.42.180.208SupershellJA4X templatelisted
107.189.28.92SupershellJA4X templatelisted
72.11.148.165SupershellJA4X templatelisted
64.185.233.166SupershellJA4X templatelisted
172.247.228.252SupershellJA4X templatelisted
103.87.10.156SupershellJA4X templatelisted
104.214.176.148SupershellJA4X templatelisted
8.138.180.67SupershellJA4X templatelisted

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. Queries hold only addresses, ports and file hashes.

Microsoft Defender XDR (KQL)
DeviceNetworkEvents
| where Timestamp > ago(30d)
| where (RemoteIP == "61.244.37.100" and RemotePort in (30519))
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "61.244.37.100" and DestinationPort in (30519))
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="61.244.37.100" (All_Traffic.dest_port=30519)))
    by All_Traffic.src_ip All_Traffic.dest_ip All_Traffic.dest_port
Elastic (EQL)
network where
  (destination.ip == "61.244.37.100" and destination.port in (30519))

Cite this record

Plain text, for a ticket or a report
Address 61.244.37.100 Family Supershell (command-and-control server) Ports :30519 Status listed (feed checked 2026-10-30 18:37 UTC) First seen 2026-09-28 Last confirmed 2026-10-08 Record https://publicmosaic.com/ip/61.244.37.100 Source Public Mosaic, TLP:CLEAR