Cereal2 · Observed attack

AS28665 UDP flood on 177.136.142.0/24 | 2026-10-10 20:57:50Z

· Event #324630

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
2026-10-10T20:57:50.384Z
Recorded

Recorded 352ms after observation

Affected network
177.136.142.0/24
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
0000000049 59 09 67 24 c3 59 caIY.g$.Y.
0000000850 5a df 67 b3 8f f4 68PZ.g...h
00000010eb cc 62 17 01 de 5e 90..b...^.
0000001856 3c 75 f6 5d 80 df 4bV<u.]..K

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

SHA-256 of decoded template

4725f58adc5462ab9fa2754414cf92557c2957b481b046071bb897e1275031d4

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
4959096724c359ca505adf67b38ff468ebcc621701de5e90563c75f65d80df4b

Original bytes (Base64)

NDk1OTA5NjcyNGMzNTljYTUwNWFkZjY3YjM4ZmY0NjhlYmNjNjIxNzAxZGU1ZTkwNTYzYzc1ZjY1ZDgwZGY0Yg==

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.