Cereal2 · Observed attack

AS262761 UDP flood on 177.21.40.0/21 | 2026-10-11 17:48:43Z

· Event #325922

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 1: UDP flood with large datagrams (default 1400-byte payload).

All UDP flood with large datagrams (default 1400-byte payload) observations
Observed
2026-10-11T17:48:43.822Z
Recorded

Recorded 143ms after observation

Affected network
177.21.40.0/21
Network operator
Sinal Br Telecom LtdaAS262761
Location
Brazil
Method
UDP flood with large datagrams (default 1400-byte payload)Vector 1
Protocol
udp
Destination port
11992
Commanded duration
1m
Observed via
101.34.239.216119.45.12.154130.94.1.105130.94.107.174130.94.16.10130.94.17.15137.184.100.23206.189.2.8638.60.136.14038.60.199.12643.136.129.13182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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.

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.