Cereal2 · Observed attack

AS53107 UDP flood on 177.104.161.0/24 | 2026-10-13 19:05:33Z

· Event #328683

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
2026-10-13T19:05:33.519Z
Recorded

Recorded 345ms after observation

Affected network
177.104.161.0/24
Network operator
EVEO S.A.AS53107
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.249

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
00000000b1 d1 cc 1b 86 b9 8d 42.......B
00000008ef 9f 6f 9d ec ed 5e f6..o...^.
000000108d 71 15 39 54 34 3a c3.q.9T4:.
0000001890 3e 02 d9 5a da f7 da.>..Z...

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

SHA-256 of decoded template

64f60aaea70f23360d458a0ff874520dfba3397e20a7e98829c477a1fc70f07f

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
b1d1cc1b86b98d42ef9f6f9deced5ef68d71153954343ac3903e02d95adaf7da

Original bytes (Base64)

YjFkMWNjMWI4NmI5OGQ0MmVmOWY2ZjlkZWNlZDVlZjY4ZDcxMTUzOTU0MzQzYWMzOTAzZTAyZDk1YWRhZjdkYQ==

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.