Public Mosaic C2 indicators
confirmed host

93.185.165.104

Cobalt Strikecommand-and-control server · :18963, :80

On AS201670.

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: 1 server key, 1 certificate, 1 watermark.

Summary

First seen by the scanner2026-10-02
In this archive since2026-10-02
Ports2 · 2 listed
Evidence1 certificate · 2 beacon configurations · 4 files served
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 certificateJA4XConfiguration
:18963listed6b0071cc8bb82166164053c1_2166164053c1_30d204a01551beacon 1
:80listed6b0071cc8bb82166164053c1_2166164053c1_30d204a01551beacon 2

Observation history

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

  1. listed
  2. :18963
  3. :80

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
  • 2026-10-02 – 2026-10-30 (29 days)

Evidence

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

TLS certificate 6b0071cc8bb8

On both listeners.

tls certificate6b0071cc8bb8094c9f75a1de1bb70f4bcd574b77ad582463771d628919dfdab9
cert subjectAtlas
cert subject orgAtlas Labs
cert issuerAtlas
cert issuer orgAtlas Labs
cert validity2026-08-19 → 2036-08-16
cert typeself-signed
cert key2048-bit
cert serial (hex)ed11e128be7ea783
cert serial (decimal)17082682426703914883

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

Beacon configurations

2 configurations on 2 listeners. Common to both:

callback93.185.165.104 · same as this host
beacon typeHTTPS
cs versionCobalt Strike 4.4 (Aug 04, 2021)
getGET /www/handle/doc
postPOST /IMXo
sleep0s ±7%
watermark1580103824
server key md52da710e0f691361322b7f9405c9be244
inject stub0b3c1c4590a9f599bd0ea6340c5ea058
spawn to x86c:\windows\syswow64\rundll32.exe
spawn to x64c:\windows\system32\rundll32.exe

Each configuration calls back on its own listener’s port. Where they differ:

Configurationuser-agent
Beacon 1 · :18963Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Trident/6.0)
Beacon 2 · :80Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727)

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
networkAS201670 · S.C. INFOTECH-GRUP
confidence100 / 100
jarm2ad2ad16d2ad2ad00042d42d00042ddb04deffa1705e2edc44cae1ed24a4da

93.185.165.104:18963 · Cobalt Strike

listed · beacon 1

93.185.165.104:80 · Cobalt Strike

listed · beacon 2

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

Samples served · 4 files

Files this address was seen serving, each identified by running or analysing it. A widely distributed file can reach unrelated hosts.

FileConfirmedDelivered onFile last seen
e5b07e91b448c8b81a8e2bff201fdd90eedc7a4469d5abb2e223e7c1b4e3a886analysed:18963
d107b0109d69ea9b07451f4e5e7868fbdf23094a9f3200cfa9b78b96f21dc005analysed:18963
46efacb350e1b38515f1813f5c763b22b4e2fb17c2283aca2c5538d03bf9e284analysed:80
e04a85d88fcbf1258da1b724dd99905c7ad99747c1227027c8c5c79e58ec5568analysed:80

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 and for the 4 files this address served. Queries hold only addresses, ports and file hashes.

Microsoft Defender XDR (KQL)
DeviceNetworkEvents
| where Timestamp > ago(30d)
| where (RemoteIP == "93.185.165.104" and RemotePort in (80, 18963))
DeviceFileEvents
| where Timestamp > ago(30d)
| where SHA256 in ("46efacb350e1b38515f1813f5c763b22b4e2fb17c2283aca2c5538d03bf9e284", "d107b0109d69ea9b07451f4e5e7868fbdf23094a9f3200cfa9b78b96f21dc005", "e04a85d88fcbf1258da1b724dd99905c7ad99747c1227027c8c5c79e58ec5568", "e5b07e91b448c8b81a8e2bff201fdd90eedc7a4469d5abb2e223e7c1b4e3a886")
Microsoft Sentinel (KQL)
CommonSecurityLog
| where TimeGenerated > ago(30d)
| where (DestinationIP == "93.185.165.104" and DestinationPort in (80, 18963))
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="93.185.165.104" (All_Traffic.dest_port=80 OR All_Traffic.dest_port=18963)))
    by All_Traffic.src_ip All_Traffic.dest_ip All_Traffic.dest_port
| tstats summariesonly=false count min(_time) as first_time max(_time) as last_time
    from datamodel=Endpoint.Filesystem where earliest=-30d
    (Filesystem.file_hash="46efacb350e1b38515f1813f5c763b22b4e2fb17c2283aca2c5538d03bf9e284" OR Filesystem.file_hash="d107b0109d69ea9b07451f4e5e7868fbdf23094a9f3200cfa9b78b96f21dc005" OR Filesystem.file_hash="e04a85d88fcbf1258da1b724dd99905c7ad99747c1227027c8c5c79e58ec5568" OR Filesystem.file_hash="e5b07e91b448c8b81a8e2bff201fdd90eedc7a4469d5abb2e223e7c1b4e3a886")
    by Filesystem.dest Filesystem.file_path Filesystem.file_hash
Elastic (EQL)
network where
  (destination.ip == "93.185.165.104" and destination.port in (80, 18963))
file where file.hash.sha256 in ("46efacb350e1b38515f1813f5c763b22b4e2fb17c2283aca2c5538d03bf9e284", "d107b0109d69ea9b07451f4e5e7868fbdf23094a9f3200cfa9b78b96f21dc005", "e04a85d88fcbf1258da1b724dd99905c7ad99747c1227027c8c5c79e58ec5568", "e5b07e91b448c8b81a8e2bff201fdd90eedc7a4469d5abb2e223e7c1b4e3a886")

Cite this record

Plain text, for a ticket or a report
Address 93.185.165.104 Family Cobalt Strike (command-and-control server) Ports :80, :18963 Status listed (feed checked 2026-10-30 18:37 UTC) First seen 2026-10-02 Last confirmed 2026-10-29 Record https://publicmosaic.com/ip/93.185.165.104 Source Public Mosaic, TLP:CLEAR