Cereal2 · Observed attack

AS53107 UDP flood on 131.100.228.0/23 | 2026-10-13 17:51:33Z

· Event #328580

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
2026-10-13T17:51:33.232Z
Recorded

Recorded 145ms after observation

Affected network
131.100.228.0/23
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
0000000029 33 fa 8b e4 7f 02 1c)3......
00000008ff a9 23 f7 fa c5 5f 6c..#..._l
0000001022 f4 2c 84 e2 11 ca ee".,.....
0000001828 00 3d a2 ea 2e 6e 78(.=...nx

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

SHA-256 of decoded template

06fc5a1c80083033c607efe6d44da36eaaa1c946631c09020f40f4eaf6921988

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
2933fa8be47f021cffa923f7fac55f6c22f42c84e211caee28003da2ea2e6e78

Original bytes (Base64)

MjkzM2ZhOGJlNDdmMDIxY2ZmYTkyM2Y3ZmFjNTVmNmMyMmY0MmM4NGUyMTFjYWVlMjgwMDNkYTJlYTJlNmU3OA==

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.