Cereal2 · Observed attack

AS28665 UDP flood on 177.136.155.0/24 | 2026-10-14 11:14:04Z

· Event #329562

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
2026-10-14T11:14:04.382Z
Recorded

Recorded 131ms after observation

Affected network
177.136.155.0/24
Network operator
Predlink Rede de Telecomunicções LtdaAS28665
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.156.101.22843.157.198.13743.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000062 8b 99 6f e3 ac 89 64b..o...d
00000008ec 36 89 2e 64 02 b8 a2.6..d...
00000010a2 3d c0 c2 db fc f8 b8.=......
0000001830 72 2f 49 69 85 79 250r/Ii.y%

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

SHA-256 of decoded template

b27f0fc09236919b29bf1026f68ab53c27edddf2858eb418aa1706359c13dc34

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
628b996fe3ac8964ec36892e6402b8a2a23dc0c2dbfcf8b830722f4969857925

Original bytes (Base64)

NjI4Yjk5NmZlM2FjODk2NGVjMzY4OTJlNjQwMmI4YTJhMjNkYzBjMmRiZmNmOGI4MzA3MjJmNDk2OTg1NzkyNQ==

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.