Cereal2 · Observed attack

AS53245 UDP flood on 177.21.76.0/24 | 2026-10-10 04:09:25Z

· Event #322893

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
2026-10-10T04:09:25.985Z
Recorded

Recorded 138ms 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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14134.122.68.238137.184.100.23138.68.128.163157.230.254.212167.172.93.168168.144.113.82206.189.2.86209.38.240.4438.60.199.12638.60.238.10943.157.80.2943.173.37.19747.237.95.14994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
000000001b 0e 35 f7 a9 73 1a 95..5..s..
00000008c0 39 2b 14 62 ef 43 bf.9+.b.C.
0000001080 14 da 5f 1c 64 27 4d..._.d'M
0000001885 58 b1 6b 2c 71 eb 60.X.k,q.`

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

SHA-256 of decoded template

983ea714518235f477e5477fbb6f357a7b5c0db2ebcb9508030c6c61b22bdc9d

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
1b0e35f7a9731a95c0392b1462ef43bf8014da5f1c64274d8558b16b2c71eb60

Original bytes (Base64)

MWIwZTM1ZjdhOTczMWE5NWMwMzkyYjE0NjJlZjQzYmY4MDE0ZGE1ZjFjNjQyNzRkODU1OGIxNmIyYzcxZWI2MA==

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.