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confirmed host

18.97.21.97

Havoccommand-and-control server · :40056, :57143, :57043

Last confirmed 2026-09-15, first seen 2026-09-02. On AS14618.

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

This address answered on 3 ports — :40056, :57143, :57043.

18.97.21.97:40056 · Havoc

Last confirmed (today)

first seen2026-09-05 10:20 UTC
serviceip-port · tcp
networkAS14618 · Amazon.com
confidence100 / 100
tls certificate31aeea6f8aebf50060f3c88be6a5db22048624cf61306b58e0a184402729d1b3
cert subject0.0.0.0
cert issuer0.0.0.0
cert validity2025-04-14 → 2028-04-13
cert typeself-signed
cert key2048-bit
cert serial (decimal)286844251009702943418026829566460592709
cert names0.0.0.0

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.

ja4x9fc0dff954ac_9fc0dff954ac_e440e854f133

18.97.21.97:57143 · Havoc

Last confirmed (today)

first seen2026-09-02 10:14 UTC
serviceip-port · tcp
networkAS14618 · Amazon.com
confidence100 / 100
tls certificatecad765038b0c7f7d02f65ac91600e61bebd301f927372ba870993f0ba97e9195
cert subject0.0.0.0
cert issuer0.0.0.0
cert validity2024-08-01 → 2027-08-01
cert typeself-signed
cert key2048-bit
cert serial (decimal)45070022107017687179255079454941968772
cert names0.0.0.0

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.

ja4x9fc0dff954ac_9fc0dff954ac_e440e854f133

18.97.21.97:57043 · Havoc

Last confirmed (today)

first seen2026-09-02 10:14 UTC
serviceip-port · tcp
networkAS14618 · Amazon.com
confidence100 / 100
tls certificate2ebfe6001235c77f2c59b0774ad241d8073d4359ceb43323c76c2183cf0307f5
cert subject0.0.0.0
cert issuer0.0.0.0
cert validity2024-07-07 → 2027-07-07
cert typeself-signed
cert key2048-bit
cert serial (decimal)241179004248246687186891399670858114517
cert names0.0.0.0

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.

ja4x9fc0dff954ac_9fc0dff954ac_e440e854f133

Observation history

18d agotoday

Observed on 14 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 · 10 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 →

104.248.156.16Havoc124.221.215.82Havoc142.93.88.220Havoc146.190.80.105Havoc15.204.14.143Havoc15.204.95.228Havoc173.249.41.141Havoc212.103.26.10Havoc51.81.171.234Havoc89.125.48.185Havoc

Pivots & lookups

same ja4x → 10 other hosts same asn → 16 other hosts lookups: virustotal · shodan · censys

Listed in error?

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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.