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confirmed host

66.78.40.93

Havoccommand-and-control server · :443

Last confirmed 2026-09-09, first seen 2026-09-08. On AS215659.

listed last confirmed feed checked TLP:CLEAR SURICATA .RULES SEE THE LIVE FEED →

66.78.40.93:443 · Havoc

Last confirmed (6 days ago)

first seen2026-09-08 12:46 UTC
serviceip-port · tcp · HTTPS blend-in
networkAS215659 · Aokigahara
confidence100 / 100
tls certificate37dc207b42768ce5b842d2dadab6a356c6c331ef37bb3d04071c3db2b23dab54
cert subject66.78.40.93
cert subject orgltd
cert issuer66.78.40.93
cert issuer orgltd
cert validity2026-01-10 → 2029-01-09
cert typeself-signed
cert key2048-bit
cert serial (decimal)204493083986883166311610392978223933456
cert names66.78.40.93

The certificate names above are what the certificate ASSERTS, not proof this host owns them — a self-signed certificate can claim any subject, so treat a familiar name here as an impersonation attempt rather than an identity.

ja4x4f24da86fad6_4f24da86fad6_e440e854f133

Observation history

18d agotoday

Observed on 2 of the 18 days since this archive began recording, 2026-08-29 UTC. Presence is per UTC day: a day is marked when the scanner confirmed this address at least once, not once per scan.

Shared JA4X issuance template · 30 hosts

These hosts issued certificates from the same template — the same distinguished-name fields hashed in the same order. It links tooling, not necessarily an operator. Full cohort →

104.248.156.16Havoc107.172.22.3Havoc124.220.55.95Havoc143.198.120.167Havoc146.190.80.105Havoc154.46.30.12Havoc159.89.192.91Havoc16.5.7.159Havoc161.35.176.231Havoc161.35.239.147Havoc162.243.160.70Havoc172.239.45.42Havoc191.252.184.198Havoc192.169.176.54Havoc2.88.92.98Havoc2.91.182.143Havoc2.91.185.72Havoc20.2.140.201Havoc20.39.60.137Havoc206.81.21.156Havoc3.39.249.68Havoc4.193.136.143Havoc43.134.42.247Havoc46.63.0.187Havoc

Showing 24 of 30. Full cohort →

Neighbourhood · 66.78.40.0/24 · 2 hosts

2 other confirmed hosts in the same /24. Adjacent addresses under one operator are a different signal from a shared certificate — they suggest a block, not a build.

66.78.40.24Overlord66.78.40.230Adaptix

Pivots & lookups

same ja4x → 30 other hosts same asn → 9 other hosts lookups: virustotal · shodan · censys

Listed in error?

This page is generated from automated scanning and is publicly available. If you are responsible for this address and it should not be listed, write to support@publicmosaic.com — see abuse & takedown for what we need and what happens next, or opt-out to exclude a whole range from scanning.

Addresses are frequently compromised third-party hosts rather than infrastructure their owner stood up. A listing records what a scan observed at a point in time; it is not an allegation about whoever pays for the address.