Cereal2 · Observed attack

AS53107 UDP flood on 143.137.188.0/23 | 2026-10-13 18:07:33Z

· Event #328593

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
2026-10-13T18:07:33.318Z
Recorded

Recorded 158ms after observation

Affected network
143.137.188.0/23
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
0000000076 2e fd 25 76 db 1f b0v..%v...
00000008d9 96 0e dd 0b 25 7b 79.....%{y
00000010eb 60 36 18 20 2b 5d 85.`6. +].
00000018d0 cf 56 86 40 f2 ea 33..V.@..3

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

SHA-256 of decoded template

eae93c67d839701132eb50df329ae182af350104c3e1bfab5b9a0946526d899e

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
762efd2576db1fb0d9960edd0b257b79eb603618202b5d85d0cf568640f2ea33

Original bytes (Base64)

NzYyZWZkMjU3NmRiMWZiMGQ5OTYwZWRkMGIyNTdiNzllYjYwMzYxODIwMmI1ZDg1ZDBjZjU2ODY0MGYyZWEzMw==

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.