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UDP traffic

Datagrams matching qname:"dnS-UDp-SCaN-0.IO.intErNetdaTa.iO" sent to HoneyLabs sensors over UDP in the last 24 hours. DNS questions and QUIC client fingerprints are decoded on the sensor. Other datagrams are kept as their first bytes and labelled by protocol where it can be recognised.

A UDP source address can be forged, so each address listed here either sent the traffic or was impersonated by whoever did. UDP traffic is kept out of verdicts, feeds, watchlists and alerts.

Clear search

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Datagrams

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Source addresses

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Networks

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Countries

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Destination ports

Traffic by type

Service queries

1 datagrams from 1 source

Requests a service answers without a handshake. Scanners send them to find open DNS, NTP, SNMP or SSDP servers, which are also the servers reflection attacks abuse.

DNS 1

Latest DNS datagram, to 53/udp

DNS query A DNS-UDP-SCan-0.Io.iNtErnETdATa.io

payload bytes
00000000  14 3d 01 00 00 01 00 00  00 00 00 00 0e 44 4e 53  |.=...........DNS|
00000010  2d 55 44 50 2d 53 43 61  6e 2d 30 02 49 6f 0c 69  |-UDP-SCan-0.Io.i|
00000020  4e 74 45 72 6e 45 54 64  41 54 61 02 69 6f 00 00  |NtErnETdATa.io..|
00000030  01 00 01                                          |...|

Amplification checks

Probes for services that answer a small request with a much larger reply, the property reflection attacks rely on.

ServicePortDatagramsSourcesFactor
DNS53/udp1128 to 54

The factor is how many bytes a reachable server can send back for each byte it receives, as published by CISA in alert TA14-017A.

Destination ports

DNS questions

DNS record types

Networks

Countries

Source addresses (unverified)

AddressNetworkCcSendsDatagramsLast seen (UTC)
46.101.178.100AS14061 DigitalOcean, LLCDEDNS12026-10-10 11:40

Latest datagrams