Cereal2 · Observed attack

AS28665 UDP flood on 177.12.41.0/24 | 2026-10-14 10:16:04Z

· Event #329499

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
2026-10-14T10:16:04.144Z
Recorded

Recorded 270ms after observation

Affected network
177.12.41.0/24
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
000000003c 1e ab 05 f4 ba 46 48<.....FH
0000000867 f7 6f 8f f3 6a b1 3dg.o..j.=
000000108e 16 6b ab fd 9d e3 1d..k.....
000000181a 71 11 4a b5 70 02 89.q.J.p..

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

SHA-256 of decoded template

8dde28cf7bd9dafd37137690eaaea551d3010aa07802d55f35e3b33b37086d42

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
3c1eab05f4ba464867f76f8ff36ab13d8e166babfd9de31d1a71114ab5700289

Original bytes (Base64)

M2MxZWFiMDVmNGJhNDY0ODY3Zjc2ZjhmZjM2YWIxM2Q4ZTE2NmJhYmZkOWRlMzFkMWE3MTExNGFiNTcwMDI4OQ==

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.