Cereal2 · Observed attack

AS28140 UDP flood on 187.49.40.0/24 | 2026-10-13 23:43:35Z

· Event #328938

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
2026-10-13T23:43:35.388Z
Recorded

Recorded 160ms after observation

Affected network
187.49.40.0/24
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
00000000e0 90 cc 3a 59 45 34 bc...:YE4.
0000000802 80 61 46 0f eb ef 64..aF...d
0000001078 73 d1 59 f8 db 73 69xs.Y..si
00000018ff d8 a9 a4 0a 8f d1 2a.......*

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

SHA-256 of decoded template

5e129f249d09d29eac6eabeb3796ceb7954b16f151d997476ef145a594f39eee

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
e090cc3a594534bc028061460febef647873d159f8db7369ffd8a9a40a8fd12a

Original bytes (Base64)

ZTA5MGNjM2E1OTQ1MzRiYzAyODA2MTQ2MGZlYmVmNjQ3ODczZDE1OWY4ZGI3MzY5ZmZkOGE5YTQwYThmZDEyYQ==

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.