Cereal2 · Observed attack

AS28665 UDP flood on 177.136.144.0/24 | 2026-10-10 21:01:50Z

· Event #324636

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
2026-10-10T21:01:50.389Z
Recorded

Recorded 365ms after observation

Affected network
177.136.144.0/24
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
0000000097 dd ef dd a3 c7 ae 96........
00000008de da 7e bd 2b 75 81 ea..~.+u..
0000001008 08 ff ba 82 e3 2e c5........
00000018bd cf bf 3c 99 8d b3 bf...<....

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

SHA-256 of decoded template

f7f8b6f21c342a17ef913c6eb5f4d53cce6d87288a5071c10da9a096c0d9a4b6

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
97ddefdda3c7ae96deda7ebd2b7581ea0808ffba82e32ec5bdcfbf3c998db3bf

Original bytes (Base64)

OTdkZGVmZGRhM2M3YWU5NmRlZGE3ZWJkMmI3NTgxZWEwODA4ZmZiYTgyZTMyZWM1YmRjZmJmM2M5OThkYjNiZg==

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.