Cereal2 · Observed attack

AS61855 UDP flood on 131.0.6.0/23 | 2026-10-14 04:15:59Z

· Event #329171

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
2026-10-14T04:15:59.741Z
Recorded

Recorded 138ms after observation

Affected network
131.0.6.0/23
Network operator
NOVA NET TECNOLOGIA LTDA - MEAS61855
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216119.45.12.154170.106.35.19743.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15995.182.87.134

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
00000000ae 7f 8e a0 9b c3 5f dd......_.
00000008e5 af 9d e2 23 1a 80 5c....#..\
000000107b 6b ba 6a c3 fb 23 ee{k.j..#.
0000001861 f3 dc c7 9c 01 43 7ea.....C~

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

SHA-256 of decoded template

27c7aa2e703a71645f6a67e3abbc9f6e46db8e742b41ae7d1a251f68792bff71

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
ae7f8ea09bc35fdde5af9de2231a805c7b6bba6ac3fb23ee61f3dcc79c01437e

Original bytes (Base64)

YWU3ZjhlYTA5YmMzNWZkZGU1YWY5ZGUyMjMxYTgwNWM3YjZiYmE2YWMzZmIyM2VlNjFmM2RjYzc5YzAxNDM3ZQ==

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.