Cereal2 · Observed attack

AS53102 UDP flood on 187.103.167.0/24 | 2026-10-13 02:07:07Z

· Event #327903

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
2026-10-13T02:07:07.857Z
Recorded

Recorded 308ms after observation

Affected network
187.103.167.0/24
Network operator
S.I. TELECOM. SERVICOS DE TELEFONIA LTDA EPPAS53102
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216139.59.33.238157.230.127.22164.90.186.13170.106.35.197188.166.12.8206.189.228.1743.153.106.22943.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15995.182.87.134

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
000000003c 4c 5b e6 e7 68 ad 1e<L[..h..
00000008fa 34 1e e3 58 81 49 b1.4..X.I.
000000101a 2e 32 70 84 6e f0 1b..2p.n..
000000185b 38 a0 05 d1 e5 cb 0a[8......

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

SHA-256 of decoded template

294bd70b636880322c954caec3751ab9efbd07101003f9e086f112a09bfcd7bd

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
3c4c5be6e768ad1efa341ee3588149b11a2e3270846ef01b5b38a005d1e5cb0a

Original bytes (Base64)

M2M0YzViZTZlNzY4YWQxZWZhMzQxZWUzNTg4MTQ5YjExYTJlMzI3MDg0NmVmMDFiNWIzOGEwMDVkMWU1Y2IwYQ==

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.