Public Mosaic C2 indicators
confirmed host

157.254.167.61

Cobalt Strikecommand-and-control server · :300, :443, :80

On AS17378.

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 template2166164053c1_2166164053c1_30d204a01551420 other hosts · 417 listed

Not shared with any other host in this archive: 2 certificates.

Network context

SharedValueOther hosts
/24157.254.167.0/242 other hosts · 2 listed
NetworkAS17378 · TierPoint2 other hosts · 2 listed

Hosts near this one, for context only.

Summary

First seen by the scanner2026-09-21
In this archive since2026-09-21
Ports3 · 3 listed
Evidence2 certificates
Look up elsewhereVirusTotal · Shodan · Censys
About this listingWhat a listing means · Is this your address?

Ports

This address answered on 3 ports. First seen and last confirmed dates are per row, by UTC day.

PortFirst seenLast confirmedStatusTLS certificateJA4X
:300listedb387a33436a92166164053c1_2166164053c1_30d204a01551
:443 · HTTPSlistedc5f1e6bf94b92166164053c1_2166164053c1_30d204a01551
:80listed

Observation history

Listed on 40 of the 63 days since this archive began recording, 2026-08-29 UTC.

  1. listed
  2. :300
  3. :443 and 1 more

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
  • 2026-09-21 – 2026-10-30 (40 days)

Evidence

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

TLS certificate b387a33436a9

On :300.

tls certificateb387a33436a9e52cddc3c488edfe1f7bc8e2b2165475632f1175e19d963c1be3
cert subjectMajor Cobalt Strike
cert subject orgcobaltstrike
cert issuerMajor Cobalt Strike
cert issuer orgcobaltstrike
cert validity2026-09-17 → 2026-12-16
cert typeself-signed
cert key3072-bit
cert serial (hex)8ba1c86958c1cb4b
cert serial (decimal)10061543397308615499

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 c5f1e6bf94b9

On :443.

tls certificatec5f1e6bf94b9fa91dfd9bd8ccd2ae2d0f8bbde73a15d432907d1a8f23a16a5d6
cert subjectjquery.com
cert subject orgjquery
cert issuerjquery.com
cert issuer orgjquery
cert validity2026-09-17 → 2027-09-17
cert typeself-signed
cert key3072-bit
cert serial (hex)aacc7faddd0ed69b
cert serial (decimal)12307352266411529883

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

Listeners

Each listener below shows its status and what sets it apart. Dates are in Ports; certificates, configurations and files in Evidence. Common to all 3 listeners:

serviceip-port · tcp
networkAS17378 · TierPoint
confidence100 / 100

157.254.167.61:300 · Cobalt Strike

listed · certificate b387a33436a9

157.254.167.61:443 · Cobalt Strike

listed · certificate c5f1e6bf94b9

observed hostjquery.com
jarm2ad2ad16d2ad2ad00042d42d00042ddb04deffa1705e2edc44cae1ed24a4da

157.254.167.61:80 · Cobalt Strike

listed

Hosts sharing a value with this one

420 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.

AddressSharesLast confirmedStatus
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, 380 are past the 40 hosts shown.

38.76.219.253JA4X templatelisted
8.163.59.20JA4X templatelisted
117.72.182.5JA4X templatelisted
192.252.185.78JA4X templatelisted
49.232.42.116JA4X templatelisted
156.239.252.191JA4X templatelisted
47.109.23.77JA4X templatelisted
113.250.188.15JA4X templatelisted
47.105.36.109JA4X templatelisted
85.175.101.203JA4X templatelisted
47.251.177.187JA4X templatelisted
101.42.255.92JA4X templatelisted
8.152.212.104JA4X templatelisted
47.95.201.24JA4X templatelisted
154.12.86.154JA4X templatelisted
111.231.116.164JA4X templatelisted
117.72.181.104JA4X templatelisted
60.247.206.23JA4X templatelisted
47.120.32.72JA4X templatelisted
117.72.242.9JA4X templatelisted
43.108.51.124JA4X templatelisted
222.255.215.42JA4X templatelisted
116.198.233.179JA4X templatelisted
82.156.219.31JA4X templatelisted
179.43.186.214JA4X templatelisted
92.222.50.154JA4X templatelisted
85.121.5.211JA4X templatelisted
8.222.166.74JA4X templatelisted
64.177.112.233JA4X templatelisted
64.118.154.116JA4X templatelisted
54.164.24.73JA4X templatelisted
51.159.194.10JA4X templatelisted
47.97.206.32JA4X templatelisted
45.154.12.150JA4X templatelisted
43.138.225.166JA4X templatelisted
43.136.19.18JA4X templatelisted
43.108.84.25JA4X templatelisted
37.60.141.43JA4X templatelisted
38.207.160.73JA4X templatelisted
23.155.44.134JA4X templatelisted

Neighbourhood · 157.254.167.0/24 · 2 other hosts

2 other hosts in this archive are in the same /24, shown for context.

157.254.167.105Cobalt Strike157.254.167.106Sliver

Deploy

Suricata rules and hunt queries for this address’s 3 listed listeners.

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 == "157.254.167.61" and RemotePort in (80, 300, 443))
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "157.254.167.61" and DestinationPort in (80, 300, 443))
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="157.254.167.61" (All_Traffic.dest_port=80 OR All_Traffic.dest_port=300 OR All_Traffic.dest_port=443)))
    by All_Traffic.src_ip All_Traffic.dest_ip All_Traffic.dest_port
Elastic (EQL)
network where
  (destination.ip == "157.254.167.61" and destination.port in (80, 300, 443))

Cite this record

Plain text, for a ticket or a report
Address 157.254.167.61 Family Cobalt Strike (command-and-control server) Ports :80, :300, :443 Status listed (feed checked 2026-10-30 19:07 UTC) First seen 2026-09-21 Last confirmed 2026-10-27 Record https://publicmosaic.com/ip/157.254.167.61 Source Public Mosaic, TLP:CLEAR