Cereal2 · Observed attack

AS53102 UDP flood on 187.103.160.0/23 | 2026-10-13 01:45:07Z

· Event #327886

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
2026-10-13T01:45:07.808Z
Recorded

Recorded 155ms after observation

Affected network
187.103.160.0/23
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
101.34.239.216139.59.33.238157.230.127.22159.223.68.251164.90.186.13178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.157.198.13743.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.14294.183.235.15994.183.235.249

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
00000000c0 e9 0b 41 e8 f9 78 a6...A..x.
0000000813 ec c7 16 a6 60 9a 3f.....`.?
00000010b0 14 7c e3 04 f9 ed 1c..|.....
0000001857 9b ce ee cb 60 73 19W....`s.

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

SHA-256 of decoded template

b77808758fd03cff10b125243df7706bf7e7b9cb6809fd724081bcdb356bc64a

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
c0e90b41e8f978a613ecc716a6609a3fb0147ce304f9ed1c579bceeecb607319

Original bytes (Base64)

YzBlOTBiNDFlOGY5NzhhNjEzZWNjNzE2YTY2MDlhM2ZiMDE0N2NlMzA0ZjllZDFjNTc5YmNlZWVjYjYwNzMxOQ==

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.