Cereal2 · Observed attack

AS53245 UDP flood on 177.21.78.0/24 | 2026-10-12 23:33:07Z

· Event #327779

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
2026-10-12T23:33:07.248Z
Recorded

Recorded 163ms after observation

Affected network
177.21.78.0/24
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
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251165.22.152.158170.106.35.197178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000055 31 7a da ae 5e 75 c6U1z..^u.
000000085d 9e 11 26 89 0d b5 c1]..&....
00000010f6 2f bc 5e e6 7e 2d 3a./.^.~-:
0000001813 ac 21 55 33 63 e1 ca..!U3c..

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

SHA-256 of decoded template

107fad1e257966e6eb427c0c44d5b7f072a226c61f561d6a5481fe4bf50cc2c5

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
55317adaae5e75c65d9e1126890db5c1f62fbc5ee67e2d3a13ac21553363e1ca

Original bytes (Base64)

NTUzMTdhZGFhZTVlNzVjNjVkOWUxMTI2ODkwZGI1YzFmNjJmYmM1ZWU2N2UyZDNhMTNhYzIxNTUzMzYzZTFjYQ==

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.