Cereal2 · Observed attack

AS28665 UDP flood on 177.136.143.0/24 | 2026-10-10 19:27:30Z

· Event #324509

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
2026-10-10T19:27:30.538Z
Recorded

Recorded 147ms after observation

Affected network
177.136.143.0/24
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
0000000026 f6 f9 50 d6 d9 c5 f3&..P....
0000000892 50 1a a9 2c ed 3c 39.P..,.<9
00000010a6 dd 35 6f 11 19 50 f7..5o..P.
00000018d3 bb cf cb 4d 15 60 fd....M.`.

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

SHA-256 of decoded template

37a40c5009df4f4f89efcd72701402b5b0847e78f7d1bbff0c710268270e057f

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
26f6f950d6d9c5f392501aa92ced3c39a6dd356f111950f7d3bbcfcb4d1560fd

Original bytes (Base64)

MjZmNmY5NTBkNmQ5YzVmMzkyNTAxYWE5MmNlZDNjMzlhNmRkMzU2ZjExMTk1MGY3ZDNiYmNmY2I0ZDE1NjBmZA==

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.