Cereal2 · Observed attack

AS28665 UDP flood on 177.136.132.0/24 | 2026-10-14 10:32:04Z

· Event #329522

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
2026-10-14T10:32:04.190Z
Recorded

Recorded 140ms after observation

Affected network
177.136.132.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.15994.183.235.24995.182.87.134

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
0000000002 3e cd 10 a8 8b 7a 39.>....z9
00000008a3 15 50 27 79 bf dc 6f..P'y..o
0000001022 e7 b8 07 24 94 46 42"...$.FB
0000001812 72 80 76 af 4e 16 b4.r.v.N..

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

SHA-256 of decoded template

cde633b87a6f75e0bc696dc72a1c85fa724ab98ccabf72084610591585b88ff0

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
023ecd10a88b7a39a315502779bfdc6f22e7b8072494464212728076af4e16b4

Original bytes (Base64)

MDIzZWNkMTBhODhiN2EzOWEzMTU1MDI3NzliZmRjNmYyMmU3YjgwNzI0OTQ0NjQyMTI3MjgwNzZhZjRlMTZiNA==

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.