Cereal2 · Observed attack

AS61855 UDP flood on 131.0.6.0/24 | 2026-10-13 08:37:30Z

· Event #328143

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
2026-10-13T08:37:30.237Z
Recorded

Recorded 138ms after observation

Affected network
131.0.6.0/24
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
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158188.166.12.8206.189.228.1743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000bc 6d 5c fe 63 44 0a 2f.m\.cD./
00000008b4 0d 5e e1 16 88 87 83..^.....
00000010ef 4c 39 62 2e 5a 2d 5f.L9b.Z-_
00000018b2 9a 34 15 4c c1 11 1a..4.L...

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

SHA-256 of decoded template

9f49539873821e3b402306189b34184fc0b304ef505750f462fe3ed7701917d3

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
bc6d5cfe63440a2fb40d5ee116888783ef4c39622e5a2d5fb29a34154cc1111a

Original bytes (Base64)

YmM2ZDVjZmU2MzQ0MGEyZmI0MGQ1ZWUxMTY4ODg3ODNlZjRjMzk2MjJlNWEyZDVmYjI5YTM0MTU0Y2MxMTExYQ==

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.