Cereal2 · Observed attack

AS53102 UDP flood on 187.103.161.0/24 | 2026-10-13 01:49:07Z

· Event #327889

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
2026-10-13T01:49:07.810Z
Recorded

Recorded 145ms after observation

Affected network
187.103.161.0/24
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
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.249

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
0000000000 57 f4 7e 11 16 f5 86.W.~....
00000008dd 0f 2a f8 73 c2 f0 14..*.s...
0000001057 d3 be 93 c9 42 16 a4W....B..
000000180f eb d6 c5 71 a8 57 4e....q.WN

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

SHA-256 of decoded template

b997241f1b699fb43fb14278a0101cd664b8941f0c2bf21c7f2db29412601a22

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
0057f47e1116f586dd0f2af873c2f01457d3be93c94216a40febd6c571a8574e

Original bytes (Base64)

MDA1N2Y0N2UxMTE2ZjU4NmRkMGYyYWY4NzNjMmYwMTQ1N2QzYmU5M2M5NDIxNmE0MGZlYmQ2YzU3MWE4NTc0ZQ==

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.