Cereal2 · Observed attack
AS53245 UDP flood on 177.21.76.0/24 | 2026-10-10 22:37:50Z
· Event #324755
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
- 2026-10-10T22:37:50.789Z
- Recorded
- 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
- 130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14137.184.100.23206.189.2.8638.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134
- Geolocation data
- ipinfo-lite · 2026-09
Recorded 423ms after observation
All controllers with retained sightings of this order. Older records may have incomplete source coverage.
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.
Decoded template · 32 bytes
| Offset | Hexadecimal | ASCII |
|---|---|---|
| 00000000 | a7 05 79 4a 29 44 44 05 | ..yJ)DD. |
| 00000008 | 86 d0 06 53 67 9b 9f 59 | ...Sg..Y |
| 00000010 | 2e 25 44 6b 43 88 ba 97 | .%DkC... |
| 00000018 | 81 80 7d 76 76 46 93 e3 | ..}vvF.. |
8 or 16 bytes per row, depending on screen width. Dots represent non-printable bytes.
SHA-256 of decoded template
a1c2c9e717b96a588a13c9542c36a5745a369f16cda2a998b92c27e61eca6d60
- 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
a705794a2944440586d00653679b9f592e25446b4388ba9781807d76764693e3
Original bytes (Base64)
YTcwNTc5NGEyOTQ0NDQwNTg2ZDAwNjUzNjc5YjlmNTkyZTI1NDQ2YjQzODhiYTk3ODE4MDdkNzY3NjQ2OTNlMw==
Other attacks on this network
Within 24 hours of this observation
- Configurable custom-payload UDP flood177.21.79.0/24
- Configurable custom-payload UDP flood177.21.78.0/24
- Configurable custom-payload UDP flood177.21.78.0/23
- Configurable custom-payload UDP flood177.21.77.0/24
- Configurable custom-payload UDP flood177.21.76.0/23
- Configurable custom-payload UDP flood177.21.75.0/24
Other attacks in this country
Within 24 hours of this observation
- UDP flood with large datagrams (default 1400-byte payload)179.106.104.0/22
- Configurable custom-payload UDP flood181.189.8.0/23
- Configurable custom-payload UDP flood186.209.88.0/23
- Configurable custom-payload UDP flood181.189.8.0/23
- Configurable custom-payload UDP flood45.168.227.0/24
- Configurable custom-payload UDP flood168.197.183.0/24
botnet.cl reports infrastructure it observed. An address appearing here identifies a target or a relay, not a person responsible for the attack.