Cereal2 · Observed attack

AS61754 UDP flood on 131.100.40.0/24 | 2026-10-12 10:20:09Z

· Event #326968

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
2026-10-12T10:20:09.283Z
Recorded

Recorded 138ms after observation

Affected network
131.100.40.0/24
Network operator
I3 Telecomunicacoes - EIRELIAS61754
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
119.45.12.154130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158178.128.223.92188.166.12.8206.189.228.1738.60.136.14038.60.199.12638.60.238.10943.136.129.13164.227.72.6882.157.209.4194.183.235.1194.183.235.15994.183.235.249

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
00000000cb 51 32 60 70 38 48 69.Q2`p8Hi
0000000873 83 ed 9d f3 35 b0 97s....5..
0000001041 8a af 71 71 0e 83 cdA..qq...
00000018e9 cb 9b 35 e4 30 e6 27...5.0.'

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

SHA-256 of decoded template

319a53a802535763280a48319df37b479b2946697dc2e1ac5f2a26539acfb6f0

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
cb513260703848697383ed9df335b097418aaf71710e83cde9cb9b35e430e627

Original bytes (Base64)

Y2I1MTMyNjA3MDM4NDg2OTczODNlZDlkZjMzNWIwOTc0MThhYWY3MTcxMGU4M2NkZTljYjliMzVlNDMwZTYyNw==

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.