Cereal2 · Observed attack

AS53245 UDP flood on 177.21.78.0/23 | 2026-10-12 23:31:07Z

· Event #327777

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
2026-10-12T23:31:07.253Z
Recorded

Recorded 545ms after observation

Affected network
177.21.78.0/23
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
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158188.166.12.843.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000029 45 c4 21 e5 12 f4 ce)E.!....
00000008db da 9b af 62 5f 85 dc....b_..
00000010b6 58 bd a2 ac fe 4c 30.X....L0
0000001866 26 79 4c a8 b4 8a 8df&yL....

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

SHA-256 of decoded template

c08cd7627c8ef3276d713d5af2fc1070a8b7ed131023b4a1cd3259486ee812f6

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
2945c421e512f4cedbda9baf625f85dcb658bda2acfe4c306626794ca8b48a8d

Original bytes (Base64)

Mjk0NWM0MjFlNTEyZjRjZWRiZGE5YmFmNjI1Zjg1ZGNiNjU4YmRhMmFjZmU0YzMwNjYyNjc5NGNhOGI0OGE4ZA==

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.