Cereal2 · Observed attack

AS53107 UDP flood on 143.137.188.0/23 | 2026-10-09 23:38:26Z

· Event #322062

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
2026-10-09T23:38:26.342Z
Recorded

Recorded 303ms after observation

Affected network
143.137.188.0/23
Network operator
EVEO S.A.AS53107
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
130.94.1.105130.94.107.174130.94.16.10130.94.32.14130.94.77.120137.184.100.23138.68.128.163157.230.254.212157.245.188.54168.144.113.8238.60.136.14038.60.199.12638.60.238.10943.157.80.2943.173.102.17343.173.37.19747.237.95.14947.85.194.7994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000035 08 be cb a3 c4 78 8d5.....x.
00000008db 14 ac 2e 29 9e 5e 67....).^g
000000103b 0d d2 a6 3a 47 ca ae;...:G..
0000001841 da aa 56 0c 9b 87 6dA..V...m

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

SHA-256 of decoded template

1dc4463032c391e4e1fce3e208685f8bd00e31b6829f59567354d380388b2922

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
3508becba3c4788ddb14ac2e299e5e673b0dd2a63a47caae41daaa560c9b876d

Original bytes (Base64)

MzUwOGJlY2JhM2M0Nzg4ZGRiMTRhYzJlMjk5ZTVlNjczYjBkZDJhNjNhNDdjYWFlNDFkYWFhNTYwYzliODc2ZA==

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.