Cereal2 · Observed attack

AS266633 UDP flood on 128.201.153.0/24 | 2026-10-13 17:19:33Z

· Event #328554

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
2026-10-13T17:19:33.123Z
Recorded

Recorded 165ms after observation

Affected network
128.201.153.0/24
Network operator
Novumnet Acesso a Internet Ltda.AS266633
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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

Geolocation data
ipinfo-lite · 2026-09

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 · 32 bytes

Decoded template · 32 bytes

OffsetHexadecimalASCII
00000000f6 34 47 e7 c3 29 97 07.4G..)..
000000086a af c7 a1 a8 dc 2f 39j...../9
0000001027 e1 76 de fa f4 9d 3e'.v....>
00000018f1 dc 2c 27 79 7b ae a3..,'y{..

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

SHA-256 of decoded template

d4a486a7cadd280ecd5ce827416fae2c8198299f335f4fcf11c14f5b47737621

Configured datagram length
1400 bytes
Minimum length option
1000 bytes
Maximum length option
1400 bytes

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

Original encoded value
f63447e7c32997076aafc7a1a8dc2f3927e176defaf49d3ef1dc2c27797baea3

Original bytes (Base64)

ZjYzNDQ3ZTdjMzI5OTcwNzZhYWZjN2ExYThkYzJmMzkyN2UxNzZkZWZhZjQ5ZDNlZjFkYzJjMjc3OTdiYWVhMw==

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.