Cereal2 · Observed attack

AS53245 UDP flood on 177.21.76.0/24 | 2026-10-12 23:27:07Z

· Event #327774

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
2026-10-12T23:27:07.269Z
Recorded

Recorded 529ms after observation

Affected network
177.21.76.0/24
Network operator
ActiON Infinite Communications, Brazil.AS53245
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.843.136.129.13143.153.106.22943.157.198.13743.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000b3 37 d7 f8 72 81 0e 4b.7..r..K
00000008f3 73 26 6d e6 58 08 2f.s&m.X./
00000010f5 6d e3 30 5a d7 c2 5b.m.0Z..[
00000018fc 3d e3 c2 d5 2a 66 6b.=...*fk

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

SHA-256 of decoded template

d9eda79e9093ea49d1c44c57bbf7eb9cad1917e764d761c98fe124bc79bb8e1d

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
b337d7f872810e4bf373266de658082ff56de3305ad7c25bfc3de3c2d52a666b

Original bytes (Base64)

YjMzN2Q3Zjg3MjgxMGU0YmYzNzMyNjZkZTY1ODA4MmZmNTZkZTMzMDVhZDdjMjViZmMzZGUzYzJkNTJhNjY2Yg==

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.