Cereal2 · Observed attack

AS53245 UDP flood on 177.21.76.0/23 | 2026-10-12 23:25:07Z

· Event #327773

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
2026-10-12T23:25:07.220Z
Recorded

Recorded 437ms after observation

Affected network
177.21.76.0/23
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
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
000000008c 4e 79 8e fb 3b d5 8a.Ny..;..
00000008cd 58 98 d9 f6 b0 c4 ff.X......
00000010f1 08 95 02 fc 1d 71 6c......ql
00000018b4 36 93 55 80 eb 41 ab.6.U..A.

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

SHA-256 of decoded template

4cbf3801b0fa3a57d8b4eb55f3facc64125ebbd72cf2f377c1db39aeae9983d4

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
8c4e798efb3bd58acd5898d9f6b0c4fff1089502fc1d716cb436935580eb41ab

Original bytes (Base64)

OGM0ZTc5OGVmYjNiZDU4YWNkNTg5OGQ5ZjZiMGM0ZmZmMTA4OTUwMmZjMWQ3MTZjYjQzNjkzNTU4MGViNDFhYg==

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.