Cereal2 · Observed attack

AS53107 UDP flood on 131.100.230.0/24 | 2026-10-13 17:59:33Z

· Event #328586

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
2026-10-13T17:59:33.273Z
Recorded

Recorded 199ms after observation

Affected network
131.100.230.0/24
Network operator
EVEO S.A.AS53107
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
000000003b 8a c4 40 43 88 04 88;..@C...
0000000831 c8 ea 06 a0 b7 a4 3a1......:
0000001085 57 41 af 79 b8 1d 97.WA.y...
0000001846 a8 6c 7c 31 6b 8b 52F.l|1k.R

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

SHA-256 of decoded template

b7f9e202a88939917b424ce5affcd9a6705d82bf8389a13829a0c958ed5fe932

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
3b8ac4404388048831c8ea06a0b7a43a855741af79b81d9746a86c7c316b8b52

Original bytes (Base64)

M2I4YWM0NDA0Mzg4MDQ4ODMxYzhlYTA2YTBiN2E0M2E4NTU3NDFhZjc5YjgxZDk3NDZhODZjN2MzMTZiOGI1Mg==

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.