Cereal2 · Observed attack

AS28665 UDP flood on 177.136.152.0/24 | 2026-10-10 19:45:30Z

· Event #324531

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
2026-10-10T19:45:30.611Z
Recorded

Recorded 443ms after observation

Affected network
177.136.152.0/24
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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000ad f3 38 1d 23 43 a8 ab..8.#C..
000000084b 02 74 3d 36 0d 7b 1bK.t=6.{.
00000010d0 41 61 d9 37 3f 3c 37.Aa.7?<7
0000001842 46 fe 7e d6 b0 45 a0BF.~..E.

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

SHA-256 of decoded template

b340ab57e0ccc3877635e87e170d5861e5e6ba3ef13f8e34251c7c8a150cbdcd

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
adf3381d2343a8ab4b02743d360d7b1bd04161d9373f3c374246fe7ed6b045a0

Original bytes (Base64)

YWRmMzM4MWQyMzQzYThhYjRiMDI3NDNkMzYwZDdiMWJkMDQxNjFkOTM3M2YzYzM3NDI0NmZlN2VkNmIwNDVhMA==

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.