Cereal2 · Observed attack

AS28665 UDP flood on 189.1.134.0/24 | 2026-10-10 21:29:50Z

· Event #324675

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
2026-10-10T21:29:50.498Z
Recorded

Recorded 141ms after observation

Affected network
189.1.134.0/24
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
130.94.1.105130.94.107.174130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.24995.182.87.134

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 3e 3f 76 d7 5a 39 1d]>?v.Z9.
00000008d3 95 21 4d 44 2f 5d a2..!MD/].
0000001026 6c 98 d2 b7 6b 5f 09&l...k_.
00000018ce d8 83 50 fe 4e 60 fc...P.N`.

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

SHA-256 of decoded template

e7cd2b442613fe6eb805e61b99384bd5b684c0c436eee743db7c573781f89d49

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
5d3e3f76d75a391dd395214d442f5da2266c98d2b76b5f09ced88350fe4e60fc

Original bytes (Base64)

NWQzZTNmNzZkNzVhMzkxZGQzOTUyMTRkNDQyZjVkYTIyNjZjOThkMmI3NmI1ZjA5Y2VkODgzNTBmZTRlNjBmYw==

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.