Cereal2 · Observed attack

AS28665 UDP flood on 177.136.145.0/24 | 2026-10-10 21:03:50Z

· Event #324639

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
2026-10-10T21:03:50.388Z
Recorded

Recorded 643ms after observation

Affected network
177.136.145.0/24
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
00000000d5 a0 0d 03 3b 79 2d 58....;y-X
00000008cc dd dd cf 10 c7 0a d7........
00000010b2 6c 66 04 e1 c9 bf 30.lf....0
000000181d 65 66 0e ea ce 26 19.ef...&.

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

SHA-256 of decoded template

86a06cccf65f99439c7bbde6bb324ca50adcc31d215acb009d8802caad2bf3eb

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
d5a00d033b792d58ccddddcf10c70ad7b26c6604e1c9bf301d65660eeace2619

Original bytes (Base64)

ZDVhMDBkMDMzYjc5MmQ1OGNjZGRkZGNmMTBjNzBhZDdiMjZjNjYwNGUxYzliZjMwMWQ2NTY2MGVlYWNlMjYxOQ==

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.