Cereal2 · Observed attack

AS262663 UDP flood on 186.216.11.0/24 | 2026-10-13 22:33:34Z

· Event #328882

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
2026-10-13T22:33:34.964Z
Recorded

Recorded 473ms after observation

Affected network
186.216.11.0/24
Network operator
METROFLEX TELECOMUNICACOES LTDAAS262663
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
000000005d 26 ae a6 38 cd 18 9e]&..8...
0000000896 bd be 5f d0 4c 1e 39..._.L.9
000000100d 8d ab 05 4f 8f 53 1b....O.S.
00000018c3 65 f9 02 f9 e1 64 e0.e....d.

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

SHA-256 of decoded template

a39958a4479cd18c010e8c3ff690b2765a943548b2efadea42d2541e7a869e3c

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
5d26aea638cd189e96bdbe5fd04c1e390d8dab054f8f531bc365f902f9e164e0

Original bytes (Base64)

NWQyNmFlYTYzOGNkMTg5ZTk2YmRiZTVmZDA0YzFlMzkwZDhkYWIwNTRmOGY1MzFiYzM2NWY5MDJmOWUxNjRlMA==

Other attacks on this network

Within 24 hours of this observation

No other observations within 24 hours.

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.