Cereal2 · Observed attack

AS28665 UDP flood on 177.12.40.0/24 | 2026-10-10 18:51:32Z

· Event #324465

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
2026-10-10T18:51:32.103Z
Recorded

Recorded 412ms after observation

Affected network
177.12.40.0/24
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
0000000075 a8 db 92 bd 74 e3 3fu....t.?
000000080a 90 a5 89 4b cb 92 6c....K..l
000000104f f4 da af 5a a9 9a b8O...Z...
00000018f6 c0 65 6b ea e5 a6 9a..ek....

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

SHA-256 of decoded template

2c5b8f3878ef0d776b44c640ee986e15b91c7394739c1d3f8d6eb03db0fd9585

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
75a8db92bd74e33f0a90a5894bcb926c4ff4daaf5aa99ab8f6c0656beae5a69a

Original bytes (Base64)

NzVhOGRiOTJiZDc0ZTMzZjBhOTBhNTg5NGJjYjkyNmM0ZmY0ZGFhZjVhYTk5YWI4ZjZjMDY1NmJlYWU1YTY5YQ==

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.