Cereal2 · Observed attack

AS28665 UDP flood on 177.136.154.0/24 | 2026-10-10 19:49:30Z

· Event #324538

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
2026-10-10T19:49:30.605Z
Recorded

Recorded 4s after observation

Affected network
177.136.154.0/24
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
000000006f 13 26 18 58 f2 28 5co.&.X.(\
0000000837 52 44 31 92 cb f8 4e7RD1...N
0000001043 86 3f b8 62 76 e8 c3C.?.bv..
000000182d 7a 5d a4 bd 8a 77 f0-z]...w.

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

SHA-256 of decoded template

41c9551ca2ac0e107a2c198bae73abc85ba011c1ed4e84d578d3af8cd8fd9e21

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
6f13261858f2285c3752443192cbf84e43863fb86276e8c32d7a5da4bd8a77f0

Original bytes (Base64)

NmYxMzI2MTg1OGYyMjg1YzM3NTI0NDMxOTJjYmY4NGU0Mzg2M2ZiODYyNzZlOGMzMmQ3YTVkYTRiZDhhNzdmMA==

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.