Cereal2 · Observed attack

AS28140 UDP flood on 187.49.37.0/24 | 2026-10-10 02:45:26Z

· Event #322646

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
2026-10-10T02:45:26.024Z
Recorded

Recorded 1s after observation

Affected network
187.49.37.0/24
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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14134.122.68.238137.184.100.23138.68.128.163157.230.254.212167.172.93.168168.144.113.82206.189.2.86209.38.240.4438.60.136.14038.60.199.12638.60.238.10943.173.37.19747.237.95.14947.85.194.7994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000d3 81 f6 41 b0 d1 b4 d3...A....
00000008fc 22 8b ee 5c 75 14 22."..\u."
000000101c d3 c0 e8 6e a4 f9 a5....n...
0000001851 63 c6 1b da d2 74 f1Qc....t.

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

SHA-256 of decoded template

cf37d466fed3e2221d4dcc44320d7bdc72a53a9522e50be261affb386ba6443e

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
d381f641b0d1b4d3fc228bee5c7514221cd3c0e86ea4f9a55163c61bdad274f1

Original bytes (Base64)

ZDM4MWY2NDFiMGQxYjRkM2ZjMjI4YmVlNWM3NTE0MjIxY2QzYzBlODZlYTRmOWE1NTE2M2M2MWJkYWQyNzRmMQ==

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.