Cereal2 · Observed attack

AS28665 UDP flood on 177.136.148.0/24 | 2026-10-14 11:00:04Z

· Event #329548

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
2026-10-14T11:00:04.309Z
Recorded

Recorded 136ms after observation

Affected network
177.136.148.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000b9 bf f7 ec bc ff 24 24......$$
00000008bd 58 c7 fa 4b 53 62 99.X..KSb.
0000001029 b9 52 72 48 b7 c2 93).RrH...
0000001835 b9 96 15 18 38 88 725....8.r

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

SHA-256 of decoded template

ebebab2c1fd3aca504d9808919bca9de93e4935321b75cc84c3e0263096dc661

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
b9bff7ecbcff2424bd58c7fa4b53629929b9527248b7c29335b9961518388872

Original bytes (Base64)

YjliZmY3ZWNiY2ZmMjQyNGJkNThjN2ZhNGI1MzYyOTkyOWI5NTI3MjQ4YjdjMjkzMzViOTk2MTUxODM4ODg3Mg==

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.