Cereal2 · Observed attack

AS28140 UDP flood on 187.49.36.0/24 | 2026-10-10 02:43:25Z

· Event #322634

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
2026-10-10T02:43:25.400Z
Recorded

Recorded 144ms 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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14134.122.68.238137.184.100.23138.68.128.163157.230.254.212167.172.93.168168.144.113.82206.189.2.86209.38.240.4438.60.136.14038.60.199.12638.60.238.10943.157.80.2943.173.37.19747.237.95.14994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000b7 5a 8d dd 63 e9 87 ee.Z..c...
00000008ed c9 55 6b cb 90 ff cc..Uk....
00000010a9 76 2d 3b 5e 08 7e 8d.v-;^.~.
00000018a7 85 63 0b e5 73 11 aa..c..s..

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

SHA-256 of decoded template

53094423a4f86eb65fc6b65984d58fb50d74642bdf2eaa1b5bb3fc7220f6e478

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
b75a8ddd63e987eeedc9556bcb90ffcca9762d3b5e087e8da785630be57311aa

Original bytes (Base64)

Yjc1YThkZGQ2M2U5ODdlZWVkYzk1NTZiY2I5MGZmY2NhOTc2MmQzYjVlMDg3ZThkYTc4NTYzMGJlNTczMTFhYQ==

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.