Cereal2 · Observed attack
AS28665 UDP flood on 177.136.140.0/24 | 2026-10-10 20:53:50Z
· Event #324624
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
- 2026-10-10T20:53:50.366Z
- Recorded
- Affected network
- 177.136.140.0/24
- Network operator
- Predlink Rede de Telecomunicções LtdaAS28665
- Location
- Brazil
- Method
- Configurable custom-payload UDP floodVector 19
- Protocol
- udp
- Destination port
- Randomized
- Commanded duration
- 1m
- Observed via
- 130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134
- Geolocation data
- ipinfo-lite · 2026-09
Recorded 142ms 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 | 3a e7 fb 57 60 45 cf 61 | :..W`E.a |
| 00000008 | c8 ff 4b 2e 9a c3 b1 cb | ..K..... |
| 00000010 | d4 e5 bf c7 bd cb c8 35 | .......5 |
| 00000018 | d1 06 3e 8d 26 b4 d5 07 | ..>.&... |
8 or 16 bytes per row, depending on screen width. Dots represent non-printable bytes.
SHA-256 of decoded template
2f6ed2c8d6f6c999b5c9e0cd1575321ba75b7be744ac57f7ecc8763e34f5ea9c
- 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
3ae7fb576045cf61c8ff4b2e9ac3b1cbd4e5bfc7bdcbc835d1063e8d26b4d507
Original bytes (Base64)
M2FlN2ZiNTc2MDQ1Y2Y2MWM4ZmY0YjJlOWFjM2IxY2JkNGU1YmZjN2JkY2JjODM1ZDEwNjNlOGQyNmI0ZDUwNw==
Other attacks on this network
Within 24 hours of this observation
- Configurable custom-payload UDP flood189.1.134.0/24
- Configurable custom-payload UDP flood177.136.158.0/24
- Configurable custom-payload UDP flood177.136.156.0/24
- Configurable custom-payload UDP flood177.136.155.0/24
- Configurable custom-payload UDP flood177.136.154.0/24
- Configurable custom-payload UDP flood177.136.153.0/24
Other attacks in this country
Within 24 hours of this observation
- UDP flood with large datagrams (default 1400-byte payload)186.225.139.0/24
- Small randomized UDP datagram flood177.21.46.0/24
- UDP flood with large datagrams (default 1400-byte payload)186.225.138.0/24
- UDP flood with large datagrams (default 1400-byte payload)186.225.141.0/24
- UDP flood with large datagrams (default 1400-byte payload)186.225.134.0/24
- UDP flood with large datagrams (default 1400-byte payload)177.21.47.0/24
botnet.cl reports infrastructure it observed. An address appearing here identifies a target or a relay, not a person responsible for the attack.