Cereal2 · Observed attack

AS28665 UDP flood on 177.136.146.0/24 | 2026-10-10 21:05:50Z

· Event #324642

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
2026-10-10T21:05:50.431Z
Recorded

Recorded 144ms after observation

Affected network
177.136.146.0/24
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
0000000048 76 d9 12 22 ca f8 adHv.."...
00000008c4 a1 96 00 a6 c3 2d c5......-.
00000010f8 c0 89 10 dd a5 fa a2........
000000188c e9 31 08 da 97 b6 42..1....B

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

SHA-256 of decoded template

b82949703519e0abae53cbcd7933d4339020af81112e84276e4f34a5bdc68042

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
4876d91222caf8adc4a19600a6c32dc5f8c08910dda5faa28ce93108da97b642

Original bytes (Base64)

NDg3NmQ5MTIyMmNhZjhhZGM0YTE5NjAwYTZjMzJkYzVmOGMwODkxMGRkYTVmYWEyOGNlOTMxMDhkYTk3YjY0Mg==

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.