Cereal2 · Observed attack

AS53245 UDP flood on 177.21.66.0/24 | 2026-10-12 22:57:07Z

· Event #327749

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
2026-10-12T22:57:07.127Z
Recorded

Recorded 302ms after observation

Affected network
177.21.66.0/24
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
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
000000004d 3a 3e 9a 78 ab c8 7eM:>.x..~
00000008f1 4d bf b8 50 ed 36 62.M..P.6b
0000001054 91 78 f7 18 09 68 a1T.x...h.
000000185b e9 39 32 27 03 40 d3[.92'.@.

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

SHA-256 of decoded template

89ccebbe8f24f41898907de81a67f298b2beee92246edcbb35323079854a274d

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
4d3a3e9a78abc87ef14dbfb850ed3662549178f7180968a15be93932270340d3

Original bytes (Base64)

NGQzYTNlOWE3OGFiYzg3ZWYxNGRiZmI4NTBlZDM2NjI1NDkxNzhmNzE4MDk2OGExNWJlOTM5MzIyNzAzNDBkMw==

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.