Cereal2 · Observed attack

AS53107 UDP flood on 131.100.228.0/24 | 2026-10-14 11:28:04Z

· Event #329577

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
2026-10-14T11:28:04.453Z
Recorded

Recorded 140ms after observation

Affected network
131.100.228.0/24
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
00000000e3 9b f9 cf 4a 31 47 1f....J1G.
00000008b1 a2 31 69 cc 1e b0 a5..1i....
00000010ec 7c f7 ae 24 3e 62 66.|..$>bf
000000188b 83 24 04 f7 3b d2 b9..$..;..

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

SHA-256 of decoded template

5a7cab773ee8baa2d87e510910bbd7dc665bec368c21da8be4cbfd648518e9ed

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
e39bf9cf4a31471fb1a23169cc1eb0a5ec7cf7ae243e62668b832404f73bd2b9

Original bytes (Base64)

ZTM5YmY5Y2Y0YTMxNDcxZmIxYTIzMTY5Y2MxZWIwYTVlYzdjZjdhZTI0M2U2MjY2OGI4MzI0MDRmNzNiZDJiOQ==

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.