Cereal2 · Observed attack

AS28665 UDP flood on 177.136.145.0/24 | 2026-10-14 10:54:04Z

· Event #329543

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
2026-10-14T10:54:04.259Z
Recorded

Recorded 134ms after observation

Affected network
177.136.145.0/24
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
000000008b 07 d9 75 81 0c 42 c5...u..B.
00000008d2 eb c3 0a 75 73 e2 fe....us..
0000001015 13 0f fe 1d 9f c6 3c.......<
0000001851 4b 14 a1 b8 59 45 29QK...YE)

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

SHA-256 of decoded template

b355d7a8601e2934494272cf871a39d80237ed4fb7845e09d197c976c5d55dfa

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
8b07d975810c42c5d2ebc30a7573e2fe15130ffe1d9fc63c514b14a1b8594529

Original bytes (Base64)

OGIwN2Q5NzU4MTBjNDJjNWQyZWJjMzBhNzU3M2UyZmUxNTEzMGZmZTFkOWZjNjNjNTE0YjE0YTFiODU5NDUyOQ==

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.