Cereal2 · Observed attack

AS28665 UDP flood on 177.136.144.0/24 | 2026-10-10 19:29:30Z

· Event #324512

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
2026-10-10T19:29:30.529Z
Recorded

Recorded 142ms after observation

Affected network
177.136.144.0/24
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
0000000040 f5 cf 41 d0 ea be dc@..A....
00000008a5 a8 8b 0c 06 f9 10 bb........
0000001037 34 5c 4b 06 3d 48 4574\K.=HE
0000001851 43 ef 56 e2 b6 39 31QC.V..91

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

SHA-256 of decoded template

daff3149a24c1ba25f97d92db81569a5b3455bf5c8c113f29c24bc7fc8cb830a

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
40f5cf41d0eabedca5a88b0c06f910bb37345c4b063d48455143ef56e2b63931

Original bytes (Base64)

NDBmNWNmNDFkMGVhYmVkY2E1YTg4YjBjMDZmOTEwYmIzNzM0NWM0YjA2M2Q0ODQ1NTE0M2VmNTZlMmI2MzkzMQ==

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.