Cereal2 · Observed attack

AS61754 UDP flood on 131.100.41.0/24 | 2026-10-12 10:22:09Z

· Event #326971

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
2026-10-12T10:22:09.313Z
Recorded

Recorded 141ms 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
119.45.12.154130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158178.128.223.92188.166.12.8206.189.228.1738.60.136.14038.60.199.12638.60.238.10943.136.129.13164.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.15994.183.235.24995.182.87.134

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
000000004c 8c 00 78 ab 9f 3b 27L..x..;'
00000008bf 36 97 0e a3 e1 ce 0b.6......
0000001025 4d a4 fd 1e 36 62 db%M...6b.
0000001861 4b 85 7e 16 5b 37 a0aK.~.[7.

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

SHA-256 of decoded template

f55cf35888d9536e905eed0484ea2d5ab2c628a1dfed90a80ae3a70a6c09fa9d

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
4c8c0078ab9f3b27bf36970ea3e1ce0b254da4fd1e3662db614b857e165b37a0

Original bytes (Base64)

NGM4YzAwNzhhYjlmM2IyN2JmMzY5NzBlYTNlMWNlMGIyNTRkYTRmZDFlMzY2MmRiNjE0Yjg1N2UxNjViMzdhMA==

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.