Cereal2 · Observed attack

AS28140 UDP flood on 187.49.36.0/24 | 2026-10-13 23:35:35Z

· Event #328932

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
2026-10-13T23:35:35.342Z
Recorded

Recorded 158ms after observation

Affected network
187.49.36.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000075 18 c9 9e 0f 36 89 1au....6..
0000000863 13 2e 57 62 8d ba 8ec..Wb...
0000001099 77 02 4c 6a 79 af 18.w.Ljy..
000000188a 53 27 91 96 38 76 48.S'..8vH

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

SHA-256 of decoded template

a48f2ee3d15d83b2628701acf7072458285a6fe1800c097f817304b547d78382

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
7518c99e0f36891a63132e57628dba8e9977024c6a79af188a53279196387648

Original bytes (Base64)

NzUxOGM5OWUwZjM2ODkxYTYzMTMyZTU3NjI4ZGJhOGU5OTc3MDI0YzZhNzlhZjE4OGE1MzI3OTE5NjM4NzY0OA==

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.