Cereal2 · Observed attack

AS53102 UDP flood on 187.103.166.0/24 | 2026-10-14 09:14:03Z

· Event #329427

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
2026-10-14T09:14:03.662Z
Recorded

Recorded 137ms after observation

Affected network
187.103.166.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5382.157.209.4194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000a4 58 ea a6 7b 8a 1a c7.X..{...
0000000820 e5 f5 c2 8c 88 37 65 .....7e
0000001032 db a4 9c 35 13 9c fd2...5...
000000184a 83 56 0c 41 f1 86 8aJ.V.A...

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

SHA-256 of decoded template

28f8a71ac6f932d12fc55648e25cb32e9522753cc9270da0af7bf071cdff0673

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
a458eaa67b8a1ac720e5f5c28c88376532dba49c35139cfd4a83560c41f1868a

Original bytes (Base64)

YTQ1OGVhYTY3YjhhMWFjNzIwZTVmNWMyOGM4ODM3NjUzMmRiYTQ5YzM1MTM5Y2ZkNGE4MzU2MGM0MWYxODY4YQ==

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.