Cereal2 · Observed attack

AS53245 UDP flood on 177.21.66.0/23 | 2026-10-12 22:55:07Z

· Event #327748

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
2026-10-12T22:55:07.108Z
Recorded

Recorded 149ms after observation

Affected network
177.21.66.0/23
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
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000cd c5 77 1f 3b 90 91 04..w.;...
000000083b fd 30 54 8c 74 9e 89;.0T.t..
0000001052 6a 19 22 b6 43 63 57Rj.".CcW
000000184d d2 23 b7 ed 8d d6 e2M.#.....

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

SHA-256 of decoded template

a3806bafae3d1915456b5dcecd812a35267f3562933f35e4cc91005f615befc1

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
cdc5771f3b9091043bfd30548c749e89526a1922b64363574dd223b7ed8dd6e2

Original bytes (Base64)

Y2RjNTc3MWYzYjkwOTEwNDNiZmQzMDU0OGM3NDllODk1MjZhMTkyMmI2NDM2MzU3NGRkMjIzYjdlZDhkZDZlMg==

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.