Cereal2 · Observed attack

AS53102 UDP flood on 187.103.174.0/24 | 2026-10-14 09:38:03Z

· Event #329458

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
2026-10-14T09:38:03.965Z
Recorded

Recorded 135ms 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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000b8 cd 01 64 88 69 a4 8b...d.i..
00000008e8 57 aa dd 2b 4b 32 ad.W..+K2.
000000101a 76 9e d2 e8 80 14 9d.v......
000000180c b0 68 a2 06 01 97 40..h....@

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

SHA-256 of decoded template

ec36f1f899c44e5968a9bfa3c06784d7d43eea211f0035449fa1e3aa69264f49

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
b8cd01648869a48be857aadd2b4b32ad1a769ed2e880149d0cb068a206019740

Original bytes (Base64)

YjhjZDAxNjQ4ODY5YTQ4YmU4NTdhYWRkMmI0YjMyYWQxYTc2OWVkMmU4ODAxNDlkMGNiMDY4YTIwNjAxOTc0MA==

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.