Cereal2 · Observed attack

AS28140 UDP flood on 187.49.37.0/24 | 2026-10-13 23:37:35Z

· Event #328933

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
2026-10-13T23:37:35.365Z
Recorded

Recorded 374ms after observation

Affected network
187.49.37.0/24
Network operator
G2G INTERNET E SERVICOS DE TELECOM LTDAAS28140
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
000000000f 23 7a 38 a4 46 eb e8.#z8.F..
0000000880 b0 2a 39 e5 05 03 2e..*9....
0000001033 b3 40 81 db ed 65 d23.@...e.
000000187f a0 d4 ac 7e 53 68 57....~ShW

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

SHA-256 of decoded template

bd23d560231ed6c9e2a6378eb40b347e383191a56673e327d0fa1296287e46d6

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
0f237a38a446ebe880b02a39e505032e33b34081dbed65d27fa0d4ac7e536857

Original bytes (Base64)

MGYyMzdhMzhhNDQ2ZWJlODgwYjAyYTM5ZTUwNTAzMmUzM2IzNDA4MWRiZWQ2NWQyN2ZhMGQ0YWM3ZTUzNjg1Nw==

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.