IP address 149.104.31.151
On AS139659.
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.
| Shared | Value | Other hosts |
|---|---|---|
| Issuance cohort | 2166164053c1_2166164053c1_30d204a01551_5aacc2522268_06e45b4dfbdd | 2 other hosts · 2 listed |
| JA4X template | 2166164053c1_2166164053c1_30d204a01551 | 420 other hosts · 417 listed |
| Cobalt Strike watermark | 987654321 | 166 other hosts · 166 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
| Shared | Value | Other hosts |
|---|---|---|
| Network | AS139659 · LUCIDACLOUD | 44 other hosts · 44 listed |
Hosts near this one, for context only.
Summary
Ports
This address answered on 2 ports. First seen and last confirmed dates are per row, by UTC day.
| Port | First seen | Last confirmed | Status | TLS certificate | JA4X | Configuration |
|---|---|---|---|---|---|---|
| :50050 · Cobalt Strike team-server default | listed | 50467ab810c3 | 2166164053c1_2166164053c1_30d204a01551 | |||
| :9999 | listed | beacon |
Observation history
Listed on 6 of the 63 days since this archive began recording, 2026-08-29 UTC.
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
- 2026-10-25 – 2026-10-30 (6 days)
Evidence
Each certificate, configuration and file appears once, with the listeners that carried it.
TLS certificate 50467ab810c3
On :50050.
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 :9999.
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:
149.104.31.151:50050 · Cobalt Strike
149.104.31.151:9999 · Cobalt Strike
Hosts sharing a value with this one
484 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.
| Address | Shares | Last confirmed | Status |
|---|---|---|---|
Issuance cohort · 2 other hosts · 2 listed A shared value says the hosts were set up alike, not that one operator runs them. | |||
| 20.109.163.207 | issuance cohort · JA4X template · watermark | listed | |
| 38.190.224.38 | issuance cohort · JA4X template · watermark | listed | |
JA4X template · 420 other hosts · 417 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, 2 are listed under an earlier value and 380 are past the 40 hosts shown. | |||
| 38.76.219.253 | JA4X template | listed | |
| 101.200.193.211 | JA4X template · watermark | listed | |
| 8.163.59.20 | JA4X template | listed | |
| 117.72.182.5 | JA4X template | listed | |
| 192.252.185.78 | JA4X template | listed | |
| 119.45.160.160 | JA4X template · watermark | listed | |
| 49.232.42.116 | JA4X template | listed | |
| 156.239.252.191 | JA4X template | listed | |
| 47.109.23.77 | JA4X template | listed | |
| 113.250.188.15 | JA4X template | listed | |
| 47.105.36.109 | JA4X template | listed | |
| 85.175.101.203 | JA4X template · watermark | listed | |
| 47.251.177.187 | JA4X template | listed | |
| 101.42.255.92 | JA4X template | listed | |
| 8.152.212.104 | JA4X template | listed | |
| 47.95.201.24 | JA4X template | listed | |
| 154.12.86.154 | JA4X template | listed | |
| 111.231.116.164 | JA4X template · watermark | listed | |
| 117.72.181.104 | JA4X template | listed | |
| 60.247.206.23 | JA4X template | listed | |
| 47.120.32.72 | JA4X template | listed | |
| 117.72.242.9 | JA4X template · watermark | listed | |
| 43.108.51.124 | JA4X template · watermark | listed | |
| 222.255.215.42 | JA4X template · watermark | listed | |
| 116.198.233.179 | JA4X template · watermark | listed | |
| 82.156.219.31 | JA4X template | listed | |
| 179.43.186.214 | JA4X template · watermark | listed | |
| 92.222.50.154 | JA4X template | listed | |
| 85.121.5.211 | JA4X template | listed | |
| 8.222.166.74 | JA4X template | listed | |
| 64.177.112.233 | JA4X template | listed | |
| 64.118.154.116 | JA4X template | listed | |
| 54.164.24.73 | JA4X template | listed | |
| 51.159.194.10 | JA4X template | listed | |
| 47.97.206.32 | JA4X template | listed | |
| 45.154.12.150 | JA4X template | listed | |
| 43.138.225.166 | JA4X template | listed | |
| 43.136.19.18 | JA4X template | listed | |
Cobalt Strike watermark · 166 other hosts · 166 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, 11 are listed under an earlier value and 155 are past the 40 hosts shown. | |||
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 :9999.
| File | Confirmed | File last seen |
|---|---|---|
| 5f751806aff547259667989b0c224aa3ab2ac659464304f68c6561a675c3ded8 | analysed |
Deploy
Suricata rules and hunt queries for this address’s 2 listed listeners.
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 == "149.104.31.151" and RemotePort in (9999, 50050))
DeviceFileEvents
| where Timestamp > ago(30d)
| where SHA256 in ("5f751806aff547259667989b0c224aa3ab2ac659464304f68c6561a675c3ded8")Microsoft Sentinel (KQL)
CommonSecurityLog | where TimeGenerated > ago(30d) | where (DestinationIP == "149.104.31.151" and DestinationPort in (9999, 50050))
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="149.104.31.151" (All_Traffic.dest_port=9999 OR All_Traffic.dest_port=50050)))
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="5f751806aff547259667989b0c224aa3ab2ac659464304f68c6561a675c3ded8")
by Filesystem.dest Filesystem.file_path Filesystem.file_hashElastic (EQL)
network where (destination.ip == "149.104.31.151" and destination.port in (9999, 50050))
file where file.hash.sha256 in ("5f751806aff547259667989b0c224aa3ab2ac659464304f68c6561a675c3ded8")Cite this record
Plain text, for a ticket or a report
Is this your address?
This page is generated from automated scanning and is publicly available. If you are responsible for this address and it should not be listed, email support@publicmosaic.com. See abuse & takedown for what we need and what happens next, or opt-out to exclude a network range from scanning.
Many listed addresses are compromised third-party hosts. A listing records what a scan observed at a point in time; it is not an allegation about whoever pays for the address.