Cereal2 · Observed attack

AS28665 UDP flood on 177.136.134.0/24 | 2026-10-10 20:43:50Z

· Event #324610

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
2026-10-10T20:43:50.322Z
Recorded

Recorded 363ms after observation

Affected network
177.136.134.0/24
Network operator
Predlink Rede de Telecomunicções LtdaAS28665
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
000000008b a7 2a 0a 46 da 62 26..*.F.b&
0000000872 55 4d 3c 9a 0a 8c 23rUM<...#
00000010c8 fc b6 6b 1b fa 7b 02...k..{.
00000018e1 a7 1d d9 e8 1b df 1e........

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

SHA-256 of decoded template

be1a0a51084baab6b086dc8b98c8208a00e2736b4c5dee21054157b1093fa1cf

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
8ba72a0a46da622672554d3c9a0a8c23c8fcb66b1bfa7b02e1a71dd9e81bdf1e

Original bytes (Base64)

OGJhNzJhMGE0NmRhNjIyNjcyNTU0ZDNjOWEwYThjMjNjOGZjYjY2YjFiZmE3YjAyZTFhNzFkZDllODFiZGYxZQ==

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.