Cereal2 · Observed attack

AS53102 UDP flood on 187.103.171.0/24 | 2026-10-13 10:01:30Z

· Event #328213

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
2026-10-13T10:01:30.649Z
Recorded

Recorded 139ms after observation

Affected network
187.103.171.0/24
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
101.34.239.216139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000fc ea 43 5b b6 63 a6 c6..C[.c..
000000085b 01 c4 71 96 d2 d6 f6[..q....
0000001069 e5 14 2f ff 51 66 6di../.Qfm
00000018b3 ef ca 02 d4 53 7e c9.....S~.

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

SHA-256 of decoded template

8fd21785f52b647fa178cd194333235ac09fea2ba06e85f1d19f10c4bc3e9886

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
fcea435bb663a6c65b01c47196d2d6f669e5142fff51666db3efca02d4537ec9

Original bytes (Base64)

ZmNlYTQzNWJiNjYzYTZjNjViMDFjNDcxOTZkMmQ2ZjY2OWU1MTQyZmZmNTE2NjZkYjNlZmNhMDJkNDUzN2VjOQ==

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.