Cereal2 · Observed attack

AS53245 UDP flood on 177.21.66.0/23 | 2026-10-10 22:05:50Z

· Event #324720

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
2026-10-10T22:05:50.652Z
Recorded

Recorded 176ms 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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.15994.183.235.24995.182.87.134

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
0000000022 75 bc 41 87 4c 9e 19"u.A.L..
00000008ca 7a 1a 1a 64 cf 85 b8.z..d...
000000101f b4 aa 9d 22 4d 21 08...."M!.
00000018fd 69 b7 f8 99 e6 9c 99.i......

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

SHA-256 of decoded template

5ab632a9f26add398bade036ac749b072be227f142100677e919d0a250779f65

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
2275bc41874c9e19ca7a1a1a64cf85b81fb4aa9d224d2108fd69b7f899e69c99

Original bytes (Base64)

MjI3NWJjNDE4NzRjOWUxOWNhN2ExYTFhNjRjZjg1YjgxZmI0YWE5ZDIyNGQyMTA4ZmQ2OWI3Zjg5OWU2OWM5OQ==

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.