Cereal2 · Observed attack

AS61855 UDP flood on 131.0.6.0/23 | 2026-10-13 00:51:07Z

· Event #327842

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
2026-10-13T00:51:07.583Z
Recorded

Recorded 570ms after observation

Affected network
131.0.6.0/23
Network operator
NOVA NET TECNOLOGIA LTDA - MEAS61855
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15577.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000fb 12 30 47 17 13 95 15..0G....
000000089c c6 6d b8 de 03 25 4c..m...%L
00000010b5 e9 bc 83 0c 51 d4 ab.....Q..
000000180f ee 14 bc 8c b3 72 e6......r.

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

SHA-256 of decoded template

93877585f0625d57d50664c7336572246b92c280b9fc5336ecb6408759c76d9a

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
fb123047171395159cc66db8de03254cb5e9bc830c51d4ab0fee14bc8cb372e6

Original bytes (Base64)

ZmIxMjMwNDcxNzEzOTUxNTljYzY2ZGI4ZGUwMzI1NGNiNWU5YmM4MzBjNTFkNGFiMGZlZTE0YmM4Y2IzNzJlNg==

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.