Cereal2 · Observed attack

AS53102 UDP flood on 187.103.174.0/23 | 2026-10-13 10:09:30Z

· Event #328221

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
2026-10-13T10:09:30.691Z
Recorded

Recorded 137ms after observation

Affected network
187.103.174.0/23
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
119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.843.136.129.13143.153.106.22943.156.101.22843.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000031 6a df ca 13 0b 0f 531j.....S
000000082a a3 22 f8 1b 33 bc 8a*."..3..
000000100e 25 0e c9 9c 8a a9 c5.%......
00000018c7 b0 ed e1 83 41 4f 5f.....AO_

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

SHA-256 of decoded template

10fa7679a7c915a02f3795c3c5764c465977d8d672a0bfc171cff039b14f760d

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
316adfca130b0f532aa322f81b33bc8a0e250ec99c8aa9c5c7b0ede183414f5f

Original bytes (Base64)

MzE2YWRmY2ExMzBiMGY1MzJhYTMyMmY4MWIzM2JjOGEwZTI1MGVjOTljOGFhOWM1YzdiMGVkZTE4MzQxNGY1Zg==

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.