Cereal2 · Observed attack

AS28665 UDP flood on 177.136.158.0/24 | 2026-10-10 19:55:30Z

· Event #324546

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
2026-10-10T19:55:30.636Z
Recorded

Recorded 8s after observation

Affected network
177.136.158.0/24
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
00000000f9 db 62 81 8d 61 3a d9..b..a:.
0000000884 69 12 e7 b5 11 da e2.i......
00000010c0 69 6b b4 4f 9e e2 84.ik.O...
0000001833 6b 07 45 d0 24 c2 f23k.E.$..

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

SHA-256 of decoded template

6723903a914c689499a6d958dcca962a3868440ea749bb90afd52dd2dc7c7d33

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
f9db62818d613ad9846912e7b511dae2c0696bb44f9ee284336b0745d024c2f2

Original bytes (Base64)

ZjlkYjYyODE4ZDYxM2FkOTg0NjkxMmU3YjUxMWRhZTJjMDY5NmJiNDRmOWVlMjg0MzM2YjA3NDVkMDI0YzJmMg==

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.