Public Mosaic C2 indicators
confirmed host

8.163.75.45

Slivercommand-and-control server · :8443, :443

On AS37963.

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 template000000000000_7c32fa18c13e_bf0f0589fc03139 other hosts · 134 listed

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

Network context

SharedValueOther hosts
NetworkAS37963 · Hangzhou Alibaba Advertising431 other hosts · 430 listed

Hosts near this one, for context only.

Summary

First seen by the scanner2026-09-21
In this archive since2026-09-21
Ports2 · 2 listed
Evidence2 certificates
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 confirmedStatusTLS certificateJA4X
:8443 · alt-HTTPSlisted2382000bea4d000000000000_7c32fa18c13e_bf0f0589fc03
:443 · HTTPSlisteddd29de5e5e1f000000000000_7c32fa18c13e_bf0f0589fc03

Observation history

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

  1. listed
  2. :8443 and 1 more

2026-08-292026-10-30

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

Evidence

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

TLS certificate 2382000bea4d

On :8443.

tls certificate2382000bea4d27cf2d6cb84490bc13e00ecc8b941386b5a70af1e0a10505ee36
cert subjectlocalhost
cert subject orgcape, inc.
cert validity2025-11-23 → 2028-11-22
cert typeissuer-signed
cert key4096-bit
cert serial (hex)b5a5759fedf7877118441f01305161b3
cert serial (decimal)241449381931576678178575308077453631923
cert nameslocalhost

The names above are what the certificate asserts, signed by an issuer it does not name, so nothing shows that anyone checked them. Treat a familiar name as a lead to investigate, never an identity.

TLS certificate dd29de5e5e1f

On :443.

tls certificatedd29de5e5e1f5203f3ef8c1298225fb862795b0986629ce5c15ddaabd8b063c2
cert subjectlocalhost
cert subject orgEquinox
cert validity2026-03-26 → 2029-03-25
cert typeissuer-signed
cert key2048-bit
cert serial (hex)0c45bedfec515a370b86f9fdda7d7ee3
cert serial (decimal)16312875831499639417153351862403825379
cert nameslocalhost

The names above are what the certificate asserts, signed by an issuer it does not name, so nothing shows that anyone checked them. Treat a familiar name as a lead to investigate, never an identity.

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:

serviceip-port · tcp
networkAS37963 · Hangzhou Alibaba Advertising
confidence100 / 100

8.163.75.45:8443 · Sliver

listed · certificate 2382000bea4d

8.163.75.45:443 · Sliver

listed · certificate dd29de5e5e1f

Hosts sharing a value with this one

139 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.

AddressFamilySharesLast confirmedStatus
JA4X template · 139 other hosts · 134 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, 99 are past the 40 hosts shown.

162.254.35.170SliverJA4X templatelisted
65.20.69.106SliverJA4X templatelisted
94.125.101.85AdaptixJA4X templatelisted
45.74.31.54SliverJA4X templatelisted
154.219.103.189SliverJA4X templatelisted
202.61.137.217SliverJA4X templatelisted
193.26.115.41SliverJA4X templatelisted
164.90.149.44SliverJA4X templatelisted
168.138.40.244SliverJA4X templatelisted
178.128.21.54SliverJA4X templatelisted
8.219.149.222SliverJA4X templatelisted
15.235.166.83SliverJA4X templatelisted
64.23.192.235SliverJA4X templatelisted
52.51.21.68SliverJA4X templatelisted
130.94.18.170SliverJA4X templatelisted
192.236.183.92SliverJA4X templatelisted
103.243.26.81SliverJA4X templatelisted
31.77.143.250SliverJA4X templatelisted
47.131.50.242SliverJA4X templatelisted
138.91.32.183SliverJA4X templatelisted
80.94.93.47SliverJA4X templatelisted
45.83.182.178SliverJA4X templatelisted
52.188.156.51SliverJA4X templatelisted
178.104.123.237SliverJA4X templatelisted
152.42.214.0SliverJA4X templatelisted
44.200.237.10SliverJA4X templatelisted
153.76.114.134SliverJA4X templatelisted
159.65.113.187SliverJA4X templatelisted
129.213.164.210SliverJA4X templatelisted
104.248.229.157SliverJA4X templatelisted
124.158.5.149SliverJA4X templatelisted
51.81.63.109SliverJA4X templatelisted
101.132.66.50SliverJA4X templatelisted
146.70.158.198SliverJA4X templatelisted
45.87.245.85SliverJA4X templatelisted
139.196.57.120SliverJA4X templatelisted
13.158.165.149SliverJA4X templatelisted
114.55.151.60SliverJA4X templatelisted
45.156.248.2SliverJA4X templatelisted
138.226.222.47SliverJA4X templatelisted

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 == "8.163.75.45" and RemotePort in (443, 8443))
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "8.163.75.45" and DestinationPort in (443, 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="8.163.75.45" (All_Traffic.dest_port=443 OR All_Traffic.dest_port=8443)))
    by All_Traffic.src_ip All_Traffic.dest_ip All_Traffic.dest_port
Elastic (EQL)
network where
  (destination.ip == "8.163.75.45" and destination.port in (443, 8443))

Cite this record

Plain text, for a ticket or a report
Address 8.163.75.45 Family Sliver (command-and-control server) Ports :443, :8443 Status listed (feed checked 2026-10-30 18:37 UTC) First seen 2026-09-21 Last confirmed 2026-10-30 Record https://publicmosaic.com/ip/8.163.75.45 Source Public Mosaic, TLP:CLEAR