Cereal2 · Observed attack

AS28146 UDP flood on 186.236.20.0/24 | 2026-10-10 18:09:30Z

· Event #324407

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
2026-10-10T18:09:30.215Z
Recorded

Recorded 145ms after observation

Affected network
186.236.20.0/24
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
000000003a 27 a1 ca 5b 74 13 3e:'..[t.>
000000085f 1d e5 1e 88 fb 8d 95_.......
00000010c0 da 73 f1 1e d1 22 c4..s...".
0000001879 a1 be a3 cb be 57 98y.....W.

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

SHA-256 of decoded template

7aa1434a3af072aad908fad583303e6573c86c0eedd1513661749a0bb2ba7df5

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
3a27a1ca5b74133e5f1de51e88fb8d95c0da73f11ed122c479a1bea3cbbe5798

Original bytes (Base64)

M2EyN2ExY2E1Yjc0MTMzZTVmMWRlNTFlODhmYjhkOTVjMGRhNzNmMTFlZDEyMmM0NzlhMWJlYTNjYmJlNTc5OA==

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.