Cereal2 · Observed attack

AS28140 UDP flood on 187.49.33.0/24 | 2026-10-09 23:05:51Z

· Event #321973

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
2026-10-09T23:05:51.833Z
Recorded

Recorded 16s after observation

Affected network
187.49.33.0/24
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
130.94.1.105130.94.107.174130.94.32.14134.122.68.238137.184.100.23138.68.128.163157.230.254.212167.172.93.168168.144.113.82206.189.2.86209.38.240.4438.60.199.12638.60.238.10943.157.80.2943.173.37.19747.237.95.14994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000cf 58 98 e2 e6 42 38 78.X...B8x
000000082a ca 5e df 0c d7 e3 95*.^.....
0000001017 c9 f8 2c cb 31 70 85...,.1p.
00000018ba 55 e9 0a 79 3a 78 ea.U..y:x.

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

SHA-256 of decoded template

0387e90a779435ea3fd67d76581fd46ab35672546f6382997eb83c5874e322a2

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
cf5898e2e64238782aca5edf0cd7e39517c9f82ccb317085ba55e90a793a78ea

Original bytes (Base64)

Y2Y1ODk4ZTJlNjQyMzg3ODJhY2E1ZWRmMGNkN2UzOTUxN2M5ZjgyY2NiMzE3MDg1YmE1NWU5MGE3OTNhNzhlYQ==

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.