Cereal2 · Observed attack

Configurable custom-payload UDP flood on Stef Herman Anton Wolters trading as MC-Node in Netherlands

· Event #229439

WhatsApp

Country-level precision. botnet.cl stores the target country, never a city or coordinates, so the marker sits at the country's center.

What this method does

Cereal2 vector 19: Configurable custom-payload UDP flood.

All Configurable custom-payload UDP flood observations
Observed
2026-09-14T11:57:11.884Z
Recorded

Recorded 94ms after observation

Affected network
45.128.157.212/32
Network operator
Stef Herman Anton Wolters trading as MC-NodeAS211750
Location
Netherlands
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
30120
Commanded duration
1m
Observed via
209.38.218.11

All controllers with retained sightings of this order. Older records may have incomplete source coverage.

Geolocation data
ipinfo-lite · 2026-07

Snapshot taken at ingestion; it is never re-resolved later.

Payload observed in C2 command

Observed command data; this does not establish what reached the target.

Custom payload · 10 bytes

Decoded template · 10 bytes

OffsetHexadecimalASCII
0000000020 f1 01 00 5d c8 5d c8 ...].].
0000000888 b8 ..

8 or 16 bytes per row, depending on screen width. Dots represent non-printable bytes.

SHA-256 of decoded template

cecc8e565a140e2df6c0c5fa97e84c6c4de0859582b80b648b793cc0b6c89725

Configured datagram length
10 bytes
Minimum length option
0 (no range requested)
Maximum length option
0 (no range requested)

Length options are command settings, not measured packet sizes. The decoded template can differ from the resulting datagrams.

Original encoded value
20f101005dc85dc888b8

Original bytes (Base64)

MjBmMTAxMDA1ZGM4NWRjODg4Yjg=

Other attacks on this network

Within 24 hours of this observation

Other attacks in this country

Within 24 hours of this observation

botnet.cl reports infrastructure it observed. An address appearing here identifies a target or a relay, not a person responsible for the attack.