Cereal2 · Observed attack

AS28665 UDP flood on 177.136.135.0/24 | 2026-10-10 20:45:50Z

· Event #324613

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
2026-10-10T20:45:50.315Z
Recorded

Recorded 356ms after observation

Affected network
177.136.135.0/24
Network operator
Predlink Rede de Telecomunicções LtdaAS28665
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000d5 5b a0 6d 01 aa 75 98.[.m..u.
000000081b d7 4d f1 07 4e e7 2b..M..N.+
00000010ed 24 1e 3b 61 58 72 ca.$.;aXr.
0000001801 04 0a bb c7 14 40 3a......@:

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

SHA-256 of decoded template

7ba726aa98b9cfc44a264f04211b66f155d134a34539c5fb01bc4783aac595a5

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
d55ba06d01aa75981bd74df1074ee72bed241e3b615872ca01040abbc714403a

Original bytes (Base64)

ZDU1YmEwNmQwMWFhNzU5ODFiZDc0ZGYxMDc0ZWU3MmJlZDI0MWUzYjYxNTg3MmNhMDEwNDBhYmJjNzE0NDAzYQ==

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.