confirmed host

IP address 101.125.2.18

Quasarremote-access trojan controller · :8443

First seen and last confirmed 2026-09-18. No longer listed. On AS4837.

archived last confirmed feed checked TLP:CLEAR

Relations

Network context

SharedValueOther hosts
NetworkAS4837 · CHINA UNICOM China169 Backbone609 other hosts · 601 listed

Hosts near this one, for context only.

Summary

First seen by the scanner2026-09-18
Look up elsewhereVirusTotal · Shodan · Censys

Observation history

First seen and last confirmed by the scanner on 2026-09-18 UTC, and listed that day.

  1. listed
  2. :8443

2026-08-292026-09-18

  • first seen to last confirmed

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
  • 2026-09-18 (1 day)

101.125.2.18:8443 · Quasar

no longer listed Last confirmed

first seen2026-09-18 00:09 UTC
serviceip-port · tcp · alt-HTTPS
observed hostsuning.com
networkAS4837 · CHINA UNICOM China169 Backbone
confidence98 / 100

Deploy

No listener here is listed, so there are no rules. The queries below search past traffic: run them once, not as a standing alert.

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 == "101.125.2.18" and RemotePort in (8443))
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "101.125.2.18" and DestinationPort in (8443))
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="101.125.2.18" (All_Traffic.dest_port=8443)))
    by All_Traffic.src_ip All_Traffic.dest_ip All_Traffic.dest_port
Elastic (EQL)
network where
  (destination.ip == "101.125.2.18" and destination.port in (8443))

Cite this record

Plain text, for a ticket or a report
Address 101.125.2.18 Family Quasar (remote-access trojan controller) Ports :8443 Status archived (feed checked 2026-10-30 18:37 UTC) First seen 2026-09-18 Last confirmed 2026-09-18 Record https://publicmosaic.com/ip/101.125.2.18 Source Public Mosaic, TLP:CLEAR