Cereal2 · Observed attack

AS28665 UDP flood on 177.136.132.0/24 | 2026-10-10 19:09:30Z

· Event #324487

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
2026-10-10T19:09:30.454Z
Recorded

Recorded 170ms after observation

Affected network
177.136.132.0/24
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
130.94.1.105130.94.16.10130.94.17.15130.94.32.14137.184.100.2338.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15995.182.87.134

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
000000008b 8d 88 ee b2 86 80 c5........
00000008f0 0a e8 88 39 95 46 b7....9.F.
000000108d 67 6d 75 53 69 ef ec.gmuSi..
00000018ff 2d e6 d5 a0 59 97 28.-...Y.(

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

SHA-256 of decoded template

d44c411ab122aeec5a856070e909601d84062a73664eb5bf20dd835eecb23606

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
8b8d88eeb28680c5f00ae888399546b78d676d755369efecff2de6d5a0599728

Original bytes (Base64)

OGI4ZDg4ZWViMjg2ODBjNWYwMGFlODg4Mzk5NTQ2Yjc4ZDY3NmQ3NTUzNjllZmVjZmYyZGU2ZDVhMDU5OTcyOA==

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.