Cereal2 · Observed attack

AS53102 UDP flood on 187.103.164.0/24 | 2026-10-14 09:08:03Z

· Event #329422

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
2026-10-14T09:08:03.590Z
Recorded

Recorded 249ms after observation

Affected network
187.103.164.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15995.182.87.134

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
000000002f 72 5d e9 ee 28 0f ce/r]..(..
00000008c2 c4 ed 68 b4 7c 28 86...h.|(.
00000010e7 0f 11 1e 10 04 36 c1......6.
00000018e6 03 79 f0 10 30 e4 66..y..0.f

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

SHA-256 of decoded template

0260102bc009bad2a3fedc25f9540020d659cad2d13c54d2b8aae53cd601c6c0

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
2f725de9ee280fcec2c4ed68b47c2886e70f111e100436c1e60379f01030e466

Original bytes (Base64)

MmY3MjVkZTllZTI4MGZjZWMyYzRlZDY4YjQ3YzI4ODZlNzBmMTExZTEwMDQzNmMxZTYwMzc5ZjAxMDMwZTQ2Ng==

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.