Cereal2 · Observed attack

AS28665 UDP flood on 177.136.131.0/24 | 2026-10-10 19:07:33Z

· Event #324484

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
2026-10-10T19:07:33.574Z
Recorded

Recorded 149ms after observation

Affected network
177.136.131.0/24
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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
000000008e b0 a6 fd d9 ce 6a 4a......jJ
00000008ad e2 96 78 68 1a 14 4c...xh..L
0000001097 65 e8 fb 01 8c 42 96.e....B.
0000001863 a5 35 70 11 a2 ff 94c.5p....

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

SHA-256 of decoded template

f94908a0c0e414a22b3a3ce01d6decf951acc0d939d3ffcfea506a649630a2c3

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
8eb0a6fdd9ce6a4aade29678681a144c9765e8fb018c429663a5357011a2ff94

Original bytes (Base64)

OGViMGE2ZmRkOWNlNmE0YWFkZTI5Njc4NjgxYTE0NGM5NzY1ZThmYjAxOGM0Mjk2NjNhNTM1NzAxMWEyZmY5NA==

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.