Cereal2 · Observed attack

AS53102 UDP flood on 187.103.166.0/23 | 2026-10-14 09:12:03Z

· Event #329425

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
2026-10-14T09:12:03.626Z
Recorded

Recorded 292ms after observation

Affected network
187.103.166.0/23
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000b2 f9 08 eb 26 ee 21 59....&.!Y
00000008fc 40 4b 50 63 f9 45 70.@KPc.Ep
00000010a9 ef 99 e5 9a 88 94 50.......P
0000001815 2a a7 56 27 74 bd 6a.*.V't.j

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

SHA-256 of decoded template

2767e9495f2776e29cca93fa04dccfeae7d4c312c05ad721ff4982b52d4e79f1

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
b2f908eb26ee2159fc404b5063f94570a9ef99e59a889450152aa7562774bd6a

Original bytes (Base64)

YjJmOTA4ZWIyNmVlMjE1OWZjNDA0YjUwNjNmOTQ1NzBhOWVmOTllNTlhODg5NDUwMTUyYWE3NTYyNzc0YmQ2YQ==

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.