Cereal2 · Observed attack

AS28140 UDP flood on 187.49.41.0/24 | 2026-10-13 23:45:35Z

· Event #328940

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
2026-10-13T23:45:35.417Z
Recorded

Recorded 414ms after observation

Affected network
187.49.41.0/24
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
0000000033 b5 e0 7f ce 83 a8 d53.......
00000008a9 fc 4e f2 4b 74 b1 27..N.Kt.'
0000001045 26 17 3a fe f1 e0 47E&.:...G
0000001845 e6 17 79 5d db cf 3eE..y]..>

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

SHA-256 of decoded template

f15540c22f20abf9bd229711cfbf2f7a1aca7e02caefe1b24818bc0fa4b1c6fa

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
33b5e07fce83a8d5a9fc4ef24b74b1274526173afef1e04745e617795ddbcf3e

Original bytes (Base64)

MzNiNWUwN2ZjZTgzYThkNWE5ZmM0ZWYyNGI3NGIxMjc0NTI2MTczYWZlZjFlMDQ3NDVlNjE3Nzk1ZGRiY2YzZQ==

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.