Cereal2 · Observed attack

AS53245 UDP flood on 177.21.71.0/24 | 2026-10-10 22:21:50Z

· Event #324737

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
2026-10-10T22:21:50.725Z
Recorded

Recorded 358ms after observation

Affected network
177.21.71.0/24
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
130.94.1.105130.94.107.174130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000038 01 bb c7 29 85 0c e78...)...
000000082e 4d 4e 41 89 0a 5e 19.MNA..^.
0000001022 bb 7b c5 b1 95 80 37".{....7
00000018d1 c6 bc 90 96 fd db 7d.......}

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

SHA-256 of decoded template

56991e792f909c9d5375d573d4ef1a5844b9e78313ae69cdfc9345cdc5a58722

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
3801bbc729850ce72e4d4e41890a5e1922bb7bc5b1958037d1c6bc9096fddb7d

Original bytes (Base64)

MzgwMWJiYzcyOTg1MGNlNzJlNGQ0ZTQxODkwYTVlMTkyMmJiN2JjNWIxOTU4MDM3ZDFjNmJjOTA5NmZkZGI3ZA==

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.