Cereal2 · Observed attack

AS28140 UDP flood on 187.103.217.0/24 | 2026-10-10 03:25:30Z

· Event #322761

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
2026-10-10T03:25:30.193Z
Recorded

Recorded 376ms after observation

Affected network
187.103.217.0/24
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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14134.122.68.238138.68.128.163157.230.254.212167.172.93.168168.144.113.82206.189.2.86209.38.240.4438.60.199.12638.60.238.10943.157.80.2943.173.37.19747.237.95.14994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
000000003f 34 bf 36 be b9 6e e6?4.6..n.
0000000811 1a 85 4a 08 13 dc 7e...J...~
0000001032 11 08 6d bc fe fb 952..m....
00000018a1 45 9a 37 d7 b0 5d 91.E.7..].

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

SHA-256 of decoded template

3887ae9432b0fda43638b4b2569650b3c2bc431f87be2c78533754c154e6c2b3

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
3f34bf36beb96ee6111a854a0813dc7e3211086dbcfefb95a1459a37d7b05d91

Original bytes (Base64)

M2YzNGJmMzZiZWI5NmVlNjExMWE4NTRhMDgxM2RjN2UzMjExMDg2ZGJjZmVmYjk1YTE0NTlhMzdkN2IwNWQ5MQ==

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.