Cereal2 · Observed attack

AS28140 UDP flood on 187.103.216.0/24 | 2026-10-10 03:24:45Z

· Event #322759

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
2026-10-10T03:24:45.431Z
Recorded

Recorded 134ms after observation

Affected network
187.103.216.0/24
Network operator
G2G INTERNET E SERVICOS DE TELECOM LTDAAS28140
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
43.173.102.173

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
0000000073 92 b7 af 8e b1 06 c2s.......
000000087b 8b bf 8b d0 55 ca 50{....U.P
00000010aa e9 d0 43 4b bf fd 5f...CK.._
00000018d2 18 e9 5d a4 d0 b8 ee...]....

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

SHA-256 of decoded template

591e1d4acebaab1494b536fca0f5e51d9bca43eb40ca57c17efbf220805736d9

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
7392b7af8eb106c27b8bbf8bd055ca50aae9d0434bbffd5fd218e95da4d0b8ee

Original bytes (Base64)

NzM5MmI3YWY4ZWIxMDZjMjdiOGJiZjhiZDA1NWNhNTBhYWU5ZDA0MzRiYmZmZDVmZDIxOGU5NWRhNGQwYjhlZQ==

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.