Cereal2 · Observed attack

AS264323 UDP flood on 138.121.247.0/24 | 2026-10-10 17:29:30Z

· Event #324359

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
2026-10-10T17:29:30.046Z
Recorded

Recorded 146ms after observation

Affected network
138.121.247.0/24
Network operator
OXMAN TECNOLOGIA LTDAAS264323
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
130.94.1.105130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.15994.183.235.24995.182.87.134

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
0000000002 6b e1 81 30 6f ac 9e.k..0o..
0000000837 bb 1c ff 16 4a 9e 487....J.H
0000001019 1a 88 a6 dc c0 9f 9c........
00000018ab df 57 ee 1b 65 26 ec..W..e&.

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

SHA-256 of decoded template

fbb29937d466d7394e2c25435796505751f7344f74f05d17712f9af301b6140d

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
026be181306fac9e37bb1cff164a9e48191a88a6dcc09f9cabdf57ee1b6526ec

Original bytes (Base64)

MDI2YmUxODEzMDZmYWM5ZTM3YmIxY2ZmMTY0YTllNDgxOTFhODhhNmRjYzA5ZjljYWJkZjU3ZWUxYjY1MjZlYw==

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.