Cereal2 · Observed attack

AS28665 UDP flood on 177.136.154.0/24 | 2026-10-14 11:12:04Z

· Event #329560

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
2026-10-14T11:12:04.358Z
Recorded

Recorded 138ms after observation

Affected network
177.136.154.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000cc ae 5c ec 99 07 d4 99..\.....
0000000853 2b f3 34 b3 d2 17 70S+.4...p
0000001040 6f 8e 55 0a 4c 94 80@o.U.L..
00000018df cc fe 90 45 36 ce e2....E6..

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

SHA-256 of decoded template

ae019232f3169b178911f4b954922951c15a31b67d97b0a97934d7fb7111ce2b

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
ccae5cec9907d499532bf334b3d21770406f8e550a4c9480dfccfe904536cee2

Original bytes (Base64)

Y2NhZTVjZWM5OTA3ZDQ5OTUzMmJmMzM0YjNkMjE3NzA0MDZmOGU1NTBhNGM5NDgwZGZjY2ZlOTA0NTM2Y2VlMg==

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.