Cereal2 · Observed attack

AS53102 UDP flood on 187.103.173.0/24 | 2026-10-13 10:07:30Z

· Event #328219

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
2026-10-13T10:07:30.672Z
Recorded

Recorded 137ms after observation

Affected network
187.103.173.0/24
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
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15564.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000093 c8 9a 69 a8 e0 dc 1c...i....
00000008de 4d 44 68 36 d2 4b 5f.MDh6.K_
00000010b6 14 7b 4d 98 a4 36 2f..{M..6/
0000001823 e3 40 0e 3d f2 ad 41#.@.=..A

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

SHA-256 of decoded template

68042229d640ed11d621d778a36a58c16a0e441e6d0e0cd49087f835d0dcc9b3

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
93c89a69a8e0dc1cde4d446836d24b5fb6147b4d98a4362f23e3400e3df2ad41

Original bytes (Base64)

OTNjODlhNjlhOGUwZGMxY2RlNGQ0NDY4MzZkMjRiNWZiNjE0N2I0ZDk4YTQzNjJmMjNlMzQwMGUzZGYyYWQ0MQ==

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.