Cereal2 · Observed attack

AS61855 UDP flood on 131.0.7.0/24 | 2026-10-13 08:39:30Z

· Event #328144

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
2026-10-13T08:39:30.240Z
Recorded

Recorded 139ms after observation

Affected network
131.0.7.0/24
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
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13188.166.12.8206.189.228.1743.136.129.13143.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.249

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
000000004f 5d 67 1f 7a 5c f2 4dO]g.z\.M
00000008eb ba 6e 81 d4 a8 06 ba..n.....
0000001001 4c e0 79 13 78 6f 32.L.y.xo2
0000001855 20 80 16 4a 49 5a 00U ..JIZ.

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

SHA-256 of decoded template

ec0e51e875f78bb9a04588ad9048acb37ff296ba3d9257533cbd11155879e99e

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
4f5d671f7a5cf24debba6e81d4a806ba014ce07913786f32552080164a495a00

Original bytes (Base64)

NGY1ZDY3MWY3YTVjZjI0ZGViYmE2ZTgxZDRhODA2YmEwMTRjZTA3OTEzNzg2ZjMyNTUyMDgwMTY0YTQ5NWEwMA==

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.