Cereal2 · Observed attack

AS53102 UDP flood on 187.103.163.0/24 | 2026-10-14 09:04:03Z

· Event #329419

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
2026-10-14T09:04:03.531Z
Recorded

Recorded 133ms after observation

Affected network
187.103.163.0/24
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
0000000065 ed da 81 41 1c 4d 35e...A.M5
000000088c 23 06 90 22 69 45 ac.#.."iE.
00000010e7 86 f5 90 33 4b e7 6b....3K.k
0000001808 a1 6c 6f db a9 d4 1a..lo....

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

SHA-256 of decoded template

bb1db19f10cfebbfd0b5d7b0d38e31dc47bd21f4771943b1a8478f68ec88dcc7

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
65edda81411c4d358c230690226945ace786f590334be76b08a16c6fdba9d41a

Original bytes (Base64)

NjVlZGRhODE0MTFjNGQzNThjMjMwNjkwMjI2OTQ1YWNlNzg2ZjU5MDMzNGJlNzZiMDhhMTZjNmZkYmE5ZDQxYQ==

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.