Cereal2 · Observed attack

AS28665 UDP flood on 177.136.146.0/24 | 2026-10-14 10:56:04Z

· Event #329545

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
2026-10-14T10:56:04.305Z
Recorded

Recorded 130ms after observation

Affected network
177.136.146.0/24
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
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
000000004d c4 59 fe 5d 74 4e c7M.Y.]tN.
0000000831 a0 fa 5f 66 fb 39 351.._f.95
0000001007 07 32 ca d5 c9 58 68..2...Xh
000000182d dd 97 5a 51 4d 96 99-..ZQM..

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

SHA-256 of decoded template

f5bc431c66dd32b3335e870f316369697778d98d2fc4076ec6accde1fd3c4fe8

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
4dc459fe5d744ec731a0fa5f66fb3935070732cad5c958682ddd975a514d9699

Original bytes (Base64)

NGRjNDU5ZmU1ZDc0NGVjNzMxYTBmYTVmNjZmYjM5MzUwNzA3MzJjYWQ1Yzk1ODY4MmRkZDk3NWE1MTRkOTY5OQ==

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.