Cereal2 · Observed attack

AS28665 UDP flood on 177.136.153.0/24 | 2026-10-10 19:47:30Z

· Event #324535

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
2026-10-10T19:47:30.590Z
Recorded

Recorded 3s after observation

Affected network
177.136.153.0/24
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
00000000a3 ae 13 aa ec f7 78 6f......xo
0000000822 e9 b1 48 a7 11 b0 47"..H...G
0000001011 0d c0 6d 5d 28 b1 c0...m](..
0000001884 89 13 25 07 7f e0 4d...%...M

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

SHA-256 of decoded template

23afebaa38da9e0b740e3469411d6351ce6d3351abedd5cd55fa142747ee7450

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
a3ae13aaecf7786f22e9b148a711b047110dc06d5d28b1c084891325077fe04d

Original bytes (Base64)

YTNhZTEzYWFlY2Y3Nzg2ZjIyZTliMTQ4YTcxMWIwNDcxMTBkYzA2ZDVkMjhiMWMwODQ4OTEzMjUwNzdmZTA0ZA==

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.