Cereal2 · Observed attack

AS53245 UDP flood on 177.21.66.0/24 | 2026-10-10 22:07:50Z

· Event #324723

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
2026-10-10T22:07:50.671Z
Recorded

Recorded 137ms after observation

Affected network
177.21.66.0/24
Network operator
ActiON Infinite Communications, Brazil.AS53245
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
130.94.1.105130.94.107.174130.94.16.10130.94.32.14137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000ba 00 28 5d d2 23 cd 9d..(].#..
0000000890 fa 5f de 89 dd 00 df.._.....
0000001024 e6 2d 36 eb 8d 3f 82$.-6..?.
00000018f5 54 07 6f e2 f3 31 6f.T.o..1o

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

SHA-256 of decoded template

d23d4558ff7f705ffa4ba72824b3c89eedd56ed6c7efa21c17412060a1ce0bfd

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
ba00285dd223cd9d90fa5fde89dd00df24e62d36eb8d3f82f554076fe2f3316f

Original bytes (Base64)

YmEwMDI4NWRkMjIzY2Q5ZDkwZmE1ZmRlODlkZDAwZGYyNGU2MmQzNmViOGQzZjgyZjU1NDA3NmZlMmYzMzE2Zg==

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.