Cereal2 · Observed attack

AS61754 UDP flood on 131.100.42.0/24 | 2026-10-10 21:41:50Z

· Event #324690

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
2026-10-10T21:41:50.554Z
Recorded

Recorded 387ms after observation

Affected network
131.100.42.0/24
Network operator
I3 Telecomunicacoes - EIRELIAS61754
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.14294.183.235.15994.183.235.249

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
000000002e 8d b4 59 18 09 c3 51...Y...Q
0000000835 64 a4 61 7d 8c 1d 0b5d.a}...
00000010d6 ed 6d e9 3d 8e b7 2f..m.=../
00000018ed 03 b9 f8 5e c4 f6 90....^...

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

SHA-256 of decoded template

6c36fcda99374f40cb8e4e1827ccac13d341bbfa1c9c14ea5ec3918160f4475b

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
2e8db4591809c3513564a4617d8c1d0bd6ed6de93d8eb72fed03b9f85ec4f690

Original bytes (Base64)

MmU4ZGI0NTkxODA5YzM1MTM1NjRhNDYxN2Q4YzFkMGJkNmVkNmRlOTNkOGViNzJmZWQwM2I5Zjg1ZWM0ZjY5MA==

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.