Cereal2 · Observed attack

AS28665 UDP flood on 177.12.40.0/24 | 2026-10-14 10:14:04Z

· Event #329498

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
2026-10-14T10:14:04.104Z
Recorded

Recorded 131ms after observation

Affected network
177.12.40.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5382.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000034 b1 5c 7f 10 1b 12 e04.\.....
0000000881 2f a1 5d aa 5b c7 16./.].[..
00000010c4 31 f9 b3 ee 06 85 c4.1......
0000001862 98 f9 7d 94 46 c3 d2b..}.F..

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

SHA-256 of decoded template

1655e0498cfa77083d61ed6ce2568223edfbc996fd81b30967e9bfcf9d5fa888

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
34b15c7f101b12e0812fa15daa5bc716c431f9b3ee0685c46298f97d9446c3d2

Original bytes (Base64)

MzRiMTVjN2YxMDFiMTJlMDgxMmZhMTVkYWE1YmM3MTZjNDMxZjliM2VlMDY4NWM0NjI5OGY5N2Q5NDQ2YzNkMg==

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.