Cereal2 · Observed attack

AS28665 UDP flood on 177.12.42.0/24 | 2026-10-13 10:27:30Z

· Event #328238

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
2026-10-13T10:27:30.789Z
Recorded

Recorded 275ms after observation

Affected network
177.12.42.0/24
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
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
000000003b d8 97 a2 54 8b 16 7a;...T..z
000000080a 2c ce 76 b0 aa 93 6d.,.v...m
00000010c7 6f 07 23 40 1b ab cb.o.#@...
000000180f 1d fb a0 14 a6 9e 7d.......}

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

SHA-256 of decoded template

12cf726c19dbcb7f32098b83a2ad4fe91b3b722f328ba5c2b229c0dc19891596

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
3bd897a2548b167a0a2cce76b0aa936dc76f0723401babcb0f1dfba014a69e7d

Original bytes (Base64)

M2JkODk3YTI1NDhiMTY3YTBhMmNjZTc2YjBhYTkzNmRjNzZmMDcyMzQwMWJhYmNiMGYxZGZiYTAxNGE2OWU3ZA==

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.