Cereal2 · Observed attack

AS53102 UDP flood on 187.103.174.0/24 | 2026-10-13 02:29:07Z

· Event #327925

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
2026-10-13T02:29:07.957Z
Recorded

Recorded 144ms after observation

Affected network
187.103.174.0/24
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
101.34.239.216119.45.12.154139.59.33.238159.223.68.251164.90.186.13170.106.35.197178.128.223.92206.189.228.1743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
000000007c 09 53 92 a6 3b f1 3f|.S..;.?
000000081a dc 9f 60 fe aa a4 8f...`....
000000105a 18 41 88 06 97 f9 d5Z.A.....
000000184c d3 39 63 34 e3 2e 85L.9c4...

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

SHA-256 of decoded template

f9a5cfee07aeaa02c335d65aec1e5057a73d6dd3b975094cde95b9348f953d8b

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
7c095392a63bf13f1adc9f60feaaa48f5a1841880697f9d54cd3396334e32e85

Original bytes (Base64)

N2MwOTUzOTJhNjNiZjEzZjFhZGM5ZjYwZmVhYWE0OGY1YTE4NDE4ODA2OTdmOWQ1NGNkMzM5NjMzNGUzMmU4NQ==

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.