Cereal2 · Observed attack

AS28140 UDP flood on 187.49.40.0/24 | 2026-10-10 02:51:25Z

· Event #322662

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
2026-10-10T02:51:25.454Z
Recorded

Recorded 361ms after observation

Affected network
187.49.40.0/24
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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120134.122.68.238137.184.100.23138.68.128.163157.230.254.212157.245.188.54167.172.93.168168.144.113.82206.189.2.86209.38.240.4438.60.136.14038.60.199.12638.60.238.10943.157.80.2943.166.73.11243.173.102.17343.173.37.19747.237.95.14947.85.194.7994.183.235.1194.183.235.15994.183.235.24995.182.87.134

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
00000000df a8 fa 47 d6 b5 cb dc...G....
00000008fd 52 71 cd 64 d3 04 64.Rq.d..d
0000001054 c6 6f c8 f7 f0 01 6cT.o....l
000000186c 93 94 4a a9 8c 31 fcl..J..1.

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

SHA-256 of decoded template

a541dd4c2f020ee29a38c8f142e39247cf511dab0831fe72dfc454a998111fbb

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
dfa8fa47d6b5cbdcfd5271cd64d3046454c66fc8f7f0016c6c93944aa98c31fc

Original bytes (Base64)

ZGZhOGZhNDdkNmI1Y2JkY2ZkNTI3MWNkNjRkMzA0NjQ1NGM2NmZjOGY3ZjAwMTZjNmM5Mzk0NGFhOThjMzFmYw==

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.