Cereal2 · Observed attack

AS28665 UDP flood on 177.136.138.0/24 | 2026-10-10 20:49:50Z

· Event #324618

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
2026-10-10T20:49:50.375Z
Recorded

Recorded 401ms after observation

Affected network
177.136.138.0/24
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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.199.12694.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000db 05 b9 54 53 0d 6a c7...TS.j.
00000008d6 70 d1 47 bf 71 fb e2.p.G.q..
0000001049 bf b1 8c b5 b8 89 9bI.......
00000018cc a2 01 8b 8b f0 46 20......F

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

SHA-256 of decoded template

5283a699602dea121402cc1918567ecd2770f6cb539aaa93f3f1db2801108783

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
db05b954530d6ac7d670d147bf71fbe249bfb18cb5b8899bcca2018b8bf04620

Original bytes (Base64)

ZGIwNWI5NTQ1MzBkNmFjN2Q2NzBkMTQ3YmY3MWZiZTI0OWJmYjE4Y2I1Yjg4OTliY2NhMjAxOGI4YmYwNDYyMA==

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.