Cereal2 · Observed attack
AS53245 UDP flood on 177.21.72.0/23 | 2026-10-12 23:13:07Z
· Event #327762
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
- 2026-10-12T23:13:07.170Z
- Recorded
- Affected network
- 177.21.72.0/23
- 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
- 101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.249
- Geolocation data
- ipinfo-lite · 2026-09
Recorded 150ms 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 | b2 26 16 26 15 20 70 18 | .&.&. p. |
| 00000008 | 0b 27 52 2d 5e 1e 43 ab | .'R-^.C. |
| 00000010 | 3f 54 36 5d 43 7a d8 44 | ?T6]Cz.D |
| 00000018 | b8 7f 83 d4 63 ab 60 4e | ....c.`N |
8 or 16 bytes per row, depending on screen width. Dots represent non-printable bytes.
SHA-256 of decoded template
b903c635e255e165305558ae947f270ee35d6af78841ad57602bf3c8969e1bcd
- 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
b2261626152070180b27522d5e1e43ab3f54365d437ad844b87f83d463ab604e
Original bytes (Base64)
YjIyNjE2MjYxNTIwNzAxODBiMjc1MjJkNWUxZTQzYWIzZjU0MzY1ZDQzN2FkODQ0Yjg3ZjgzZDQ2M2FiNjA0ZQ==
Other attacks on this network
Within 24 hours of this observation
- Configurable custom-payload UDP flood177.21.79.0/24
- Configurable custom-payload UDP flood177.21.79.0/24
- 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 flood177.21.76.0/24
Other attacks in this country
Within 24 hours of this observation
- Configurable custom-payload UDP flood186.236.13.0/24
- Configurable custom-payload UDP flood179.191.39.0/24
- Small randomized UDP datagram flood177.84.108.0/23
- Configurable custom-payload UDP flood45.238.167.0/24
- UDP flood with large datagrams (default 1400-byte payload)170.246.96.0/23
- Configurable custom-payload UDP flood45.238.108.0/24
botnet.cl reports infrastructure it observed. An address appearing here identifies a target or a relay, not a person responsible for the attack.