Cereal2 · Observed attack

AS28665 UDP flood on 177.12.42.0/24 | 2026-10-10 18:55:30Z

· Event #324469

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
2026-10-10T18:55:30.409Z
Recorded

Recorded 143ms 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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000083 56 28 24 a3 c2 f6 8e.V($....
0000000836 48 28 3d 4f c5 b7 df6H(=O...
0000001003 c5 25 71 91 4a 4b ee..%q.JK.
00000018a0 f5 82 47 2c 38 08 09...G,8..

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

SHA-256 of decoded template

ca0ff4b76d5301cf86dbcfb18fd2cf9fa227412748be4ebc4dba156276a9275c

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
83562824a3c2f68e3648283d4fc5b7df03c52571914a4beea0f582472c380809

Original bytes (Base64)

ODM1NjI4MjRhM2MyZjY4ZTM2NDgyODNkNGZjNWI3ZGYwM2M1MjU3MTkxNGE0YmVlYTBmNTgyNDcyYzM4MDgwOQ==

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.