Cereal2 · Observed attack

AS28665 UDP flood on 177.136.141.0/24 | 2026-10-10 20:55:50Z

· Event #324627

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
2026-10-10T20:55:50.363Z
Recorded

Recorded 363ms after observation

Affected network
177.136.141.0/24
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
0000000029 d9 10 57 fb 99 65 e0)..W..e.
0000000830 14 91 b7 d2 78 a9 2b0....x.+
00000010c1 b4 f0 9c 04 33 6e 2e.....3n.
00000018df 67 04 d8 f3 70 97 ba.g...p..

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

SHA-256 of decoded template

5aef99322a804ca5a7a0da1a70413058475e4aacbe8346ac51d2d029013cc41c

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
29d91057fb9965e0301491b7d278a92bc1b4f09c04336e2edf6704d8f37097ba

Original bytes (Base64)

MjlkOTEwNTdmYjk5NjVlMDMwMTQ5MWI3ZDI3OGE5MmJjMWI0ZjA5YzA0MzM2ZTJlZGY2NzA0ZDhmMzcwOTdiYQ==

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.