Cereal2 · Observed attack

AS28146 UDP flood on 186.236.21.0/24 | 2026-10-10 18:11:30Z

· Event #324409

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
2026-10-10T18:11:30.225Z
Recorded

Recorded 170ms 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
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

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
00000000ff 01 80 4a d3 3c 40 b9...J.<@.
0000000808 de 74 da f9 4e 37 95..t..N7.
0000001004 d4 80 88 3d bb 04 79....=..y
00000018c1 fc 7a 58 cd a0 d2 00..zX....

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

SHA-256 of decoded template

3580450530e6805e9a79b4743a95f7b31eb707ad8fbbd9da61c6fbe00135a8ae

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
ff01804ad33c40b908de74daf94e379504d480883dbb0479c1fc7a58cda0d200

Original bytes (Base64)

ZmYwMTgwNGFkMzNjNDBiOTA4ZGU3NGRhZjk0ZTM3OTUwNGQ0ODA4ODNkYmIwNDc5YzFmYzdhNThjZGEwZDIwMA==

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.