Cereal2 · Observed attack

AS53102 UDP flood on 187.103.173.0/24 | 2026-10-14 09:34:03Z

· Event #329453

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
2026-10-14T09:34:03.899Z
Recorded

Recorded 138ms after observation

Affected network
187.103.173.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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 13 61 ca d7 fa 8d ef..a.....
00000008ad 85 80 ab 85 e1 0e c2........
0000001002 7a f0 f8 8d df 2c ba.z....,.
0000001881 90 83 53 a9 cb d8 39...S...9

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

SHA-256 of decoded template

50a9c3966c580613e9aadb25fe8df58727814893ef2e8fd2ec9ca590ca59f378

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
b21361cad7fa8defad8580ab85e10ec2027af0f88ddf2cba81908353a9cbd839

Original bytes (Base64)

YjIxMzYxY2FkN2ZhOGRlZmFkODU4MGFiODVlMTBlYzIwMjdhZjBmODhkZGYyY2JhODE5MDgzNTNhOWNiZDgzOQ==

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.