Cereal2 · Observed attack

AS53102 UDP flood on 187.103.165.0/24 | 2026-10-13 02:01:07Z

· Event #327898

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
2026-10-13T02:01:07.853Z
Recorded

Recorded 315ms after observation

Affected network
187.103.165.0/24
Network operator
S.I. TELECOM. SERVICOS DE TELEFONIA LTDA EPPAS53102
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158178.128.223.92188.166.12.8206.189.228.1743.153.106.22943.156.101.22843.157.198.13743.159.46.15564.227.72.6877.232.43.2194.183.235.1194.183.235.15994.183.235.249

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
0000000066 bb 4e d7 33 d9 2b 3bf.N.3.+;
0000000879 47 7d 6e 54 5c 0c f0yG}nT\..
0000001042 7e ec be ea 7d 3e 41B~...}>A
000000188b 6f 3f fb 3d e0 ae cd.o?.=...

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

SHA-256 of decoded template

6459907153137ba89a670e08bf5e0ee6128e071caa8eafc85d197e189e3eb511

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
66bb4ed733d92b3b79477d6e545c0cf0427eecbeea7d3e418b6f3ffb3de0aecd

Original bytes (Base64)

NjZiYjRlZDczM2Q5MmIzYjc5NDc3ZDZlNTQ1YzBjZjA0MjdlZWNiZWVhN2QzZTQxOGI2ZjNmZmIzZGUwYWVjZA==

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.