Cereal2 · Observed attack

AS28665 UDP flood on 177.136.149.0/24 | 2026-10-10 19:39:30Z

· Event #324525

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
2026-10-10T19:39:30.569Z
Recorded

Recorded 913ms after observation

Affected network
177.136.149.0/24
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
0000000057 9a 50 08 92 a2 de a1W.P.....
000000082b 92 60 7f 0c 92 01 eb+.`.....
000000101d db e7 f3 d1 e6 1c ad........
00000018dd 4e 9b a5 b1 2c 62 36.N...,b6

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

SHA-256 of decoded template

9e2efd77e32a951fe397070346baccb5e8cf137402f0861d241f2dcdeaa037cb

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
579a500892a2dea12b92607f0c9201eb1ddbe7f3d1e61caddd4e9ba5b12c6236

Original bytes (Base64)

NTc5YTUwMDg5MmEyZGVhMTJiOTI2MDdmMGM5MjAxZWIxZGRiZTdmM2QxZTYxY2FkZGQ0ZTliYTViMTJjNjIzNg==

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.