Cereal2 · Observed attack

AS53245 UDP flood on 177.21.74.0/24 | 2026-10-14 03:39:59Z

· Event #329144

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
2026-10-14T03:39:59.507Z
Recorded

Recorded 137ms after observation

Affected network
177.21.74.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000078 46 83 8f ef 88 bf d4xF......
0000000816 b5 0f ba 3c b8 fe 7b....<..{
0000001077 e3 4b 73 12 87 f3 b2w.Ks....
0000001873 42 19 1d 81 57 c4 26sB...W.&

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

SHA-256 of decoded template

6b934d023ec3278d40204a11057b88e77cb749d3c7ea2ade1ee26dfee3a7b431

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
7846838fef88bfd416b50fba3cb8fe7b77e34b731287f3b27342191d8157c426

Original bytes (Base64)

Nzg0NjgzOGZlZjg4YmZkNDE2YjUwZmJhM2NiOGZlN2I3N2UzNGI3MzEyODdmM2IyNzM0MjE5MWQ4MTU3YzQyNg==

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.