Cereal2 · Observed attack

AS28665 UDP flood on 177.136.150.0/24 | 2026-10-14 11:04:04Z

· Event #329552

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
2026-10-14T11:04:04.306Z
Recorded

Recorded 137ms after observation

Affected network
177.136.150.0/24
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
00000000bc 73 0d 98 0e 4d bc 87.s...M..
0000000854 94 29 ff 0b 1a a7 50T.)....P
0000001008 85 94 3c 8e 3d a4 23...<.=.#
00000018ed 38 ad 59 c9 1d 7a cf.8.Y..z.

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

SHA-256 of decoded template

f95256fb57361f05c273d4a16556cbd09aaae140d3ff19f86bd8120223727b53

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
bc730d980e4dbc87549429ff0b1aa7500885943c8e3da423ed38ad59c91d7acf

Original bytes (Base64)

YmM3MzBkOTgwZTRkYmM4NzU0OTQyOWZmMGIxYWE3NTAwODg1OTQzYzhlM2RhNDIzZWQzOGFkNTljOTFkN2FjZg==

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.