Cereal2 · Observed attack

AS53245 UDP flood on 177.21.72.0/23 | 2026-10-14 03:31:59Z

· Event #329138

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
2026-10-14T03:31:59.455Z
Recorded

Recorded 142ms after observation

Affected network
177.21.72.0/23
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000a8 93 6d 04 f1 2b 78 21..m..+x!
00000008ef f4 d5 6f 80 43 20 ff...o.C .
000000103a b3 70 06 f4 db 01 f8:.p.....
00000018c4 1b f4 c1 84 4a 9e 92.....J..

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

SHA-256 of decoded template

c64ebdc3141a26b620a591293e30ddbda59c3879be1e747a3b031901bcf6139a

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
a8936d04f12b7821eff4d56f804320ff3ab37006f4db01f8c41bf4c1844a9e92

Original bytes (Base64)

YTg5MzZkMDRmMTJiNzgyMWVmZjRkNTZmODA0MzIwZmYzYWIzNzAwNmY0ZGIwMWY4YzQxYmY0YzE4NDRhOWU5Mg==

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.