Cereal2 · Observed attack

AS28665 UDP flood on 177.136.136.0/24 | 2026-10-10 20:47:50Z

· Event #324616

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
2026-10-10T20:47:50.351Z
Recorded

Recorded 460ms after observation

Affected network
177.136.136.0/24
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
00000000d0 de 7b 5b 19 ff 1d 76..{[...v
0000000891 89 ec e0 a9 ca b5 22......."
0000001026 ed a3 fb f7 c9 69 13&.....i.
000000182f f5 c1 76 ea 06 8e b8/..v....

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

SHA-256 of decoded template

54f0e24ddd65485fe44acfbf732ee2ea33f74257266343bc316d496d2bb0dcd0

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
d0de7b5b19ff1d769189ece0a9cab52226eda3fbf7c969132ff5c176ea068eb8

Original bytes (Base64)

ZDBkZTdiNWIxOWZmMWQ3NjkxODllY2UwYTljYWI1MjIyNmVkYTNmYmY3Yzk2OTEzMmZmNWMxNzZlYTA2OGViOA==

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.