confirmed host

IP address 81.68.213.31

Quasarremote-access trojan controller · :8084

First seen 2026-09-18, last confirmed 2026-09-23. No longer listed. On AS45090.

archived last confirmed feed checked TLP:CLEAR

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_7022c563de38_258381d3d68a17 other hosts · 15 listed

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

Network context

SharedValueOther hosts
NetworkAS45090 · Shenzhen Tencent Computer Systems Com…538 other hosts · 494 listed

Hosts near this one, for context only.

Summary

First seen by the scanner2026-09-18
Evidence1 certificate
Look up elsewhereVirusTotal · Shodan · Censys

Observation history

Listed on 1 of the 6 days from its first sighting by the scanner on 2026-09-18 to its last confirmation on 2026-09-23 UTC.

  1. listed
  2. :8084

2026-08-292026-09-23

  • 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
  • 2026-09-23 (1 day)

81.68.213.31:8084 · Quasar

no longer listed Last confirmed

first seen2026-09-18 19:48 UTC
serviceip-port · tcp
observed hostmqtt.iot.zshost.net
networkAS45090 · Shenzhen Tencent Computer Systems Com…
confidence100 / 100
tls certificate9836f5c0b36cdc2c52f7f07cda13da1189a8f77ad96ae6559b600a92a56d3310
cert subjectmqtt.iot.zshost.net
cert issuerXinNet DV TLS RSA CA 2025
cert issuer orgXin Net Technology Corp.
cert validity2026-08-16 → 2027-03-02
cert typeissuer-signed
cert key2048-bit
cert serial (hex)2e46e60945454e261212a3b8b1edd27a8c223003
cert serial (decimal)264194666602175954116417636028414754659269488643
cert namesmqtt.iot.zshost.net

The names above are what the certificate asserts, signed by the issuer it names, which may be a public certificate authority, a private one, or one a builder ships. This site verifies none of it, so treat a name here as a lead to investigate, never an attribution.

jarm21d14d00000000000042d14d21d41d8d13a0206d9ad9f0bafa71b5c2e2c4a0

Hosts sharing a value with this one

17 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.

AddressFamilySharesLast confirmedStatus
JA4X template · 17 other hosts · 15 listed

These hosts’ certificates share one JA4X template, which points to the same certificate tooling. It is not evidence of a single operator.

103.249.106.28Flying EagleJA4X templatelisted
103.249.106.27Flying EagleJA4X templatelisted
103.249.105.43Flying EagleJA4X templatelisted
192.229.92.36Flying EagleJA4X templatelisted
103.249.106.26Flying EagleJA4X templatelisted
154.12.83.111Flying EagleJA4X templatelisted
103.249.105.42Flying EagleJA4X templatelisted
103.206.22.66Flying EagleJA4X templatelisted
108.187.7.162Flying EagleJA4X templatelisted
103.121.95.77Flying EagleJA4X templatelisted
43.138.195.173QuasarJA4X templatearchived
175.178.255.222QuasarJA4X templatearchived
154.219.100.114Flying EagleJA4X templatelisted
154.219.100.47Flying EagleJA4X templatelisted
118.107.47.28Flying EagleJA4X templatelisted
118.107.47.27Flying EagleJA4X templatelisted
154.201.68.199Flying EagleJA4X templatelisted

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 == "81.68.213.31" and RemotePort in (8084))
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "81.68.213.31" and DestinationPort in (8084))
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="81.68.213.31" (All_Traffic.dest_port=8084)))
    by All_Traffic.src_ip All_Traffic.dest_ip All_Traffic.dest_port
Elastic (EQL)
network where
  (destination.ip == "81.68.213.31" and destination.port in (8084))

Cite this record

Plain text, for a ticket or a report
Address 81.68.213.31 Family Quasar (remote-access trojan controller) Ports :8084 Status archived (feed checked 2026-10-30 18:37 UTC) First seen 2026-09-18 Last confirmed 2026-09-23 Record https://publicmosaic.com/ip/81.68.213.31 Source Public Mosaic, TLP:CLEAR