Cereal2 · Observed attack

AS28665 UDP flood on 177.136.146.0/24 | 2026-10-10 19:33:30Z

· Event #324517

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
2026-10-10T19:33:30.534Z
Recorded

Recorded 149ms after observation

Affected network
177.136.146.0/24
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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000eb 2b 84 d8 a4 35 13 0b.+...5..
00000008fd 4e ea 06 32 37 27 20.N..27'
0000001098 22 82 c2 ff 46 fb 87."...F..
0000001873 3d fc f3 9e a6 40 5as=....@Z

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

SHA-256 of decoded template

80db6de2af8df5a0f2b687e3972ebd06d39c8208f4c3c895ea9f3276936a4384

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
eb2b84d8a435130bfd4eea0632372720982282c2ff46fb87733dfcf39ea6405a

Original bytes (Base64)

ZWIyYjg0ZDhhNDM1MTMwYmZkNGVlYTA2MzIzNzI3MjA5ODIyODJjMmZmNDZmYjg3NzMzZGZjZjM5ZWE2NDA1YQ==

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.