Cereal2 · Observed attack

AS28665 UDP flood on 177.12.41.0/24 | 2026-10-13 10:25:30Z

· Event #328237

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
2026-10-13T10:25:30.752Z
Recorded

Recorded 138ms after observation

Affected network
177.12.41.0/24
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
101.34.239.216119.45.12.154139.59.33.238159.223.68.251165.22.152.158170.106.35.197178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5382.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000c0 82 19 45 d4 f0 57 25...E..W%
0000000862 c1 08 6c 1c d0 cf 7bb..l...{
0000001086 90 f0 90 28 cc 7f 87....(...
000000186e 22 2e 2c 9b cf bc f1n".,....

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

SHA-256 of decoded template

5c2b014814ae137509126e94ba8808a338d7876bf8f570316f264da4bc87d1fd

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
c0821945d4f0572562c1086c1cd0cf7b8690f09028cc7f876e222e2c9bcfbcf1

Original bytes (Base64)

YzA4MjE5NDVkNGYwNTcyNTYyYzEwODZjMWNkMGNmN2I4NjkwZjA5MDI4Y2M3Zjg3NmUyMjJlMmM5YmNmYmNmMQ==

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.