Public Mosaic C2 indicators
confirmed host

23.171.177.41

PureRATremote-access trojan controller · :56003, :56001

On AS398357.

listed last confirmed feed checked TLP:CLEAR Suricata rules Show in the live feed

Summary

First seen by the scanner2026-10-19
In this archive since2026-10-19
Ports2 · 2 listed
Look up elsewhereVirusTotal · Shodan · Censys
About this listingWhat a listing means · Is this your address?

Ports

This address answered on 2 ports. First seen and last confirmed dates are per row, by UTC day.

PortFirst seenLast confirmedStatus
:56003listed
:56001listed

Observation history

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

  1. listed
  2. :56003 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
  • 2026-10-19 – 2026-10-30 (12 days)

Listeners

Each listener below shows its status and what sets it apart. Dates are in Ports. Common to both listeners:

serviceip-port · tcp
networkAS398357 · Ethernic
confidence100 / 100

23.171.177.41:56003 · PureRAT

listed

23.171.177.41:56001 · PureRAT

listed

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. Queries hold only addresses, ports and file hashes.

Microsoft Defender XDR (KQL)
DeviceNetworkEvents
| where Timestamp > ago(30d)
| where (RemoteIP == "23.171.177.41" and RemotePort in (56001, 56003))
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "23.171.177.41" and DestinationPort in (56001, 56003))
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="23.171.177.41" (All_Traffic.dest_port=56001 OR All_Traffic.dest_port=56003)))
    by All_Traffic.src_ip All_Traffic.dest_ip All_Traffic.dest_port
Elastic (EQL)
network where
  (destination.ip == "23.171.177.41" and destination.port in (56001, 56003))

Cite this record

Plain text, for a ticket or a report
Address 23.171.177.41 Family PureRAT (remote-access trojan controller) Ports :56001, :56003 Status listed (feed checked 2026-10-30 18:37 UTC) First seen 2026-10-19 Last confirmed 2026-10-28 Record https://publicmosaic.com/ip/23.171.177.41 Source Public Mosaic, TLP:CLEAR