Cereal2 · Observed attack

AS28665 UDP flood on 177.136.141.0/24 | 2026-10-10 19:23:30Z

· Event #324503

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
2026-10-10T19:23:30.493Z
Recorded

Recorded 143ms after observation

Affected network
177.136.141.0/24
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
130.94.1.105130.94.107.174130.94.16.10130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
000000004f 89 f9 b6 25 c2 97 3dO...%..=
0000000833 8f 67 52 48 4a ac 283.gRHJ.(
00000010c9 47 19 85 4c ef 0a f5.G..L...
000000183d 15 fb 06 57 e3 b9 07=...W...

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

SHA-256 of decoded template

1f7d3fc8571f960a43ccb02bbd97eff40851292bc1eb772a85e7d18ac29f6e23

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
4f89f9b625c2973d338f6752484aac28c94719854cef0af53d15fb0657e3b907

Original bytes (Base64)

NGY4OWY5YjYyNWMyOTczZDMzOGY2NzUyNDg0YWFjMjhjOTQ3MTk4NTRjZWYwYWY1M2QxNWZiMDY1N2UzYjkwNw==

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.