Cereal2 · Observed attack

AS28665 UDP flood on 177.136.142.0/24 | 2026-10-14 10:48:04Z

· Event #329537

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
2026-10-14T10:48:04.247Z
Recorded

Recorded 131ms after observation

Affected network
177.136.142.0/24
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
00000000bc f9 bb 13 d1 4d 22 78.....M"x
000000082b 85 7a 60 40 68 0f 7d+.z`@h.}
000000100e 93 61 fb 3b 7b 26 e8..a.;{&.
0000001862 93 1e da 77 43 95 98b...wC..

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

SHA-256 of decoded template

9d3903ff3137a360df89861d00a565c247be8b3005405ea75867272325db1bf7

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
bcf9bb13d14d22782b857a6040680f7d0e9361fb3b7b26e862931eda77439598

Original bytes (Base64)

YmNmOWJiMTNkMTRkMjI3ODJiODU3YTYwNDA2ODBmN2QwZTkzNjFmYjNiN2IyNmU4NjI5MzFlZGE3NzQzOTU5OA==

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.