Cereal2 · Observed attack

AS28665 UDP flood on 177.12.43.0/24 | 2026-10-14 10:20:04Z

· Event #329503

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
2026-10-14T10:20:04.134Z
Recorded

Recorded 134ms after observation

Affected network
177.12.43.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15995.182.87.134

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
000000001c 21 d4 45 99 21 af cd.!.E.!..
0000000834 a1 c5 b9 9b af e7 b44.......
00000010e8 b8 85 fe f1 bd ba 87........
0000001883 61 3c 46 c5 99 bc f5.a<F....

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

SHA-256 of decoded template

d10c3241329db2cd2004650a2093c9005d2fc4448eca292c5fa32031965aea25

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
1c21d4459921afcd34a1c5b99bafe7b4e8b885fef1bdba8783613c46c599bcf5

Original bytes (Base64)

MWMyMWQ0NDU5OTIxYWZjZDM0YTFjNWI5OWJhZmU3YjRlOGI4ODVmZWYxYmRiYTg3ODM2MTNjNDZjNTk5YmNmNQ==

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.