Cereal2 · Observed attack

AS28665 UDP flood on 177.136.135.0/24 | 2026-10-14 10:36:04Z

· Event #329525

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
2026-10-14T10:36:04.209Z
Recorded

Recorded 304ms after observation

Affected network
177.136.135.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.249

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
000000009b 36 a3 6b 72 59 95 60.6.krY.`
000000083d 09 13 fd c1 d9 74 67=.....tg
000000100e 44 2a 79 02 c3 f9 7d.D*y...}
0000001874 27 c2 88 ef 8b eb 5ct'.....\

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

SHA-256 of decoded template

ca71c3a36b609c0a896fe07f1c596c3251f6ef752abb42183612ed7a8612fb92

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
9b36a36b725995603d0913fdc1d974670e442a7902c3f97d7427c288ef8beb5c

Original bytes (Base64)

OWIzNmEzNmI3MjU5OTU2MDNkMDkxM2ZkYzFkOTc0NjcwZTQ0MmE3OTAyYzNmOTdkNzQyN2MyODhlZjhiZWI1Yw==

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.