Cereal2 · Observed attack

AS28665 UDP flood on 177.136.139.0/24 | 2026-10-10 19:19:30Z

· Event #324498

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
2026-10-10T19:19:30.499Z
Recorded

Recorded 141ms after observation

Affected network
177.136.139.0/24
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
000000007d 2f de 60 29 9d 89 17}/.`)...
0000000859 68 f0 3e c4 fd 64 abYh.>..d.
00000010c3 e4 29 c6 6e 86 b3 20..).n..
00000018d9 5d fb d5 2a 3d e9 fc.]..*=..

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

SHA-256 of decoded template

4c95c3625a285f303f44ddff1065fbf29afd85e9023b3bc64e968b238b012050

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
7d2fde60299d89175968f03ec4fd64abc3e429c66e86b320d95dfbd52a3de9fc

Original bytes (Base64)

N2QyZmRlNjAyOTlkODkxNzU5NjhmMDNlYzRmZDY0YWJjM2U0MjljNjZlODZiMzIwZDk1ZGZiZDUyYTNkZTlmYw==

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.