Cereal2 · Observed attack

AS28665 UDP flood on 177.136.151.0/24 | 2026-10-10 19:43:30Z

· Event #324529

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
2026-10-10T19:43:30.573Z
Recorded

Recorded 150ms after observation

Affected network
177.136.151.0/24
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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000012 26 5f 62 f1 1f 19 b3.&_b....
00000008df 3b 8c ab 57 a6 ff 54.;..W..T
000000109c 57 11 8f 3e a5 51 e0.W..>.Q.
0000001842 cf 48 08 04 f1 48 12B.H...H.

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

SHA-256 of decoded template

f7d4d8213a95f4b195dad9b3294f7f35d46d3c3a76217c82b983eb228cf201c4

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
12265f62f11f19b3df3b8cab57a6ff549c57118f3ea551e042cf480804f14812

Original bytes (Base64)

MTIyNjVmNjJmMTFmMTliM2RmM2I4Y2FiNTdhNmZmNTQ5YzU3MTE4ZjNlYTU1MWUwNDJjZjQ4MDgwNGYxNDgxMg==

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.