Cereal2 · Observed attack

AS28665 UDP flood on 177.136.136.0/24 | 2026-10-10 19:15:30Z

· Event #324494

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
2026-10-10T19:15:30.491Z
Recorded

Recorded 143ms after observation

Affected network
177.136.136.0/24
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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000037 56 f6 ff 44 33 be d07V..D3..
0000000870 8f 96 bd cb 25 e4 32p....%.2
0000001018 e0 9a 50 db 92 f4 83...P....
00000018bf a6 21 9e 43 93 34 85..!.C.4.

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

SHA-256 of decoded template

d8e5530dcc035bd72d4840a1541b3e9766ba4ce1e747507950b0425a18164a2d

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
3756f6ff4433bed0708f96bdcb25e43218e09a50db92f483bfa6219e43933485

Original bytes (Base64)

Mzc1NmY2ZmY0NDMzYmVkMDcwOGY5NmJkY2IyNWU0MzIxOGUwOWE1MGRiOTJmNDgzYmZhNjIxOWU0MzkzMzQ4NQ==

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.