Cereal2 · Observed attack

AS28665 UDP flood on 177.136.152.0/24 | 2026-10-10 21:17:50Z

· Event #324657

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
2026-10-10T21:17:50.499Z
Recorded

Recorded 385ms after observation

Affected network
177.136.152.0/24
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
0000000095 92 13 73 7a b2 10 eb...sz...
000000083a ab 3d 10 4a 20 df f9:.=.J ..
0000001006 17 54 51 63 d4 68 f7..TQc.h.
0000001873 99 f0 2b d6 f8 29 e0s..+..).

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

SHA-256 of decoded template

5ead086eb502a09add44c9ffc891a177db48138e6a4fbc7efac2af274d4a62f3

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
959213737ab210eb3aab3d104a20dff90617545163d468f77399f02bd6f829e0

Original bytes (Base64)

OTU5MjEzNzM3YWIyMTBlYjNhYWIzZDEwNGEyMGRmZjkwNjE3NTQ1MTYzZDQ2OGY3NzM5OWYwMmJkNmY4MjllMA==

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.