Cereal2 · Observed attack

AS28146 UDP flood on 186.236.21.0/24 | 2026-10-13 00:25:07Z

· Event #327822

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
2026-10-13T00:25:07.467Z
Recorded

Recorded 151ms after observation

Affected network
186.236.21.0/24
Network operator
MHNET TELECOMAS28146
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
000000006c 7d f0 f6 d7 8f de 1el}......
000000080e 98 3c 6a 68 f2 05 e2..<jh...
0000001094 8e d2 de d8 5c d0 0b.....\..
0000001800 7d 0a ec 74 d4 c7 3a.}..t..:

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

SHA-256 of decoded template

d7aaf69b830cfe4f4331e5f817ae75fafc9e906666917fc8fd3f1d6c91e3b7f8

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
6c7df0f6d78fde1e0e983c6a68f205e2948ed2ded85cd00b007d0aec74d4c73a

Original bytes (Base64)

NmM3ZGYwZjZkNzhmZGUxZTBlOTgzYzZhNjhmMjA1ZTI5NDhlZDJkZWQ4NWNkMDBiMDA3ZDBhZWM3NGQ0YzczYQ==

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.