Cereal2 · Observed attack

AS28665 UDP flood on 177.136.154.0/24 | 2026-10-10 21:21:50Z

· Event #324664

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
2026-10-10T21:21:50.462Z
Recorded

Recorded 167ms 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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000011 d9 b0 3c 0c 37 01 6c...<.7.l
00000008c1 e1 e2 c5 b7 73 40 8b.....s@.
00000010b6 f6 2a 65 e7 2c 10 df..*e.,..
000000182f 1c 41 ad a7 ec 98 ed/.A.....

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

SHA-256 of decoded template

6da2aa803b0ac21fd5929f7d90a5a6438c06cb9716cdcad33818e8bf4bd8748f

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
11d9b03c0c37016cc1e1e2c5b773408bb6f62a65e72c10df2f1c41ada7ec98ed

Original bytes (Base64)

MTFkOWIwM2MwYzM3MDE2Y2MxZTFlMmM1Yjc3MzQwOGJiNmY2MmE2NWU3MmMxMGRmMmYxYzQxYWRhN2VjOThlZA==

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.