Cereal2 · Observed attack

AS28665 UDP flood on 177.136.151.0/24 | 2026-10-10 21:15:50Z

· Event #324655

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
2026-10-10T21:15:50.477Z
Recorded

Recorded 398ms after observation

Affected network
177.136.151.0/24
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
000000006d 13 a5 b5 42 03 23 1dm...B.#.
000000089a b7 c4 ca 13 86 1e d2........
00000010b8 73 3f ed f7 c2 ea 32.s?....2
0000001885 be 69 ea 2a 63 28 33..i.*c(3

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

SHA-256 of decoded template

ab40d8fc411be939ceb188ed9c59b2b2b31cac0fa9932e76a398afddd32cffc4

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
6d13a5b54203231d9ab7c4ca13861ed2b8733fedf7c2ea3285be69ea2a632833

Original bytes (Base64)

NmQxM2E1YjU0MjAzMjMxZDlhYjdjNGNhMTM4NjFlZDJiODczM2ZlZGY3YzJlYTMyODViZTY5ZWEyYTYzMjgzMw==

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.