Cereal2 · Observed attack

AS61754 UDP flood on 131.100.41.0/24 | 2026-10-13 22:45:35Z

· Event #328892

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
2026-10-13T22:45:35.035Z
Recorded

Recorded 150ms after observation

Affected network
131.100.41.0/24
Network operator
I3 Telecomunicacoes - EIRELIAS61754
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
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 71 13 22 a0 65 ec b4;q.".e..
000000085e d2 07 bb 79 7d 48 c4^...y}H.
00000010dd 72 65 54 98 22 69 37.reT."i7
000000185d e3 14 1f 4c 59 99 b7]...LY..

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

SHA-256 of decoded template

5bb895cf69bf8ecc51fbc61e226f076872298321c367740d090de691bd84eb70

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
3b711322a065ecb45ed207bb797d48c4dd726554982269375de3141f4c5999b7

Original bytes (Base64)

M2I3MTEzMjJhMDY1ZWNiNDVlZDIwN2JiNzk3ZDQ4YzRkZDcyNjU1NDk4MjI2OTM3NWRlMzE0MWY0YzU5OTliNw==

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.