Cereal2 · Observed attack

AS53102 UDP flood on 187.103.171.0/24 | 2026-10-13 02:19:07Z

· Event #327914

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
2026-10-13T02:19:07.931Z
Recorded

Recorded 146ms after observation

Affected network
187.103.171.0/24
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
101.34.239.216157.230.127.22164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.843.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.15994.183.235.24995.182.87.134

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
000000006b d7 39 7f 60 f9 c9 7ck.9.`..|
00000008c9 9c a2 44 fa 07 14 be...D....
000000109a bd b8 40 b1 b5 40 ae...@..@.
00000018d3 2c fe 7f 36 2a 4d c5.,..6*M.

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

SHA-256 of decoded template

4589c5d1e1dc47e98db08f8c3425f25c792f9b85516ed6e0991ff98aef527352

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
6bd7397f60f9c97cc99ca244fa0714be9abdb840b1b540aed32cfe7f362a4dc5

Original bytes (Base64)

NmJkNzM5N2Y2MGY5Yzk3Y2M5OWNhMjQ0ZmEwNzE0YmU5YWJkYjg0MGIxYjU0MGFlZDMyY2ZlN2YzNjJhNGRjNQ==

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.