Cereal2 · Observed attack

AS61855 UDP flood on 131.0.6.0/24 | 2026-10-14 04:17:59Z

· Event #329173

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
2026-10-14T04:17:59.749Z
Recorded

Recorded 141ms after observation

Affected network
131.0.6.0/24
Network operator
NOVA NET TECNOLOGIA LTDA - MEAS61855
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
0000000021 5e 4b 7b d6 72 51 a3!^K{.rQ.
000000089e 3a ea 60 b1 ba 10 54.:.`...T
00000010a9 66 d6 99 18 50 92 bc.f...P..
00000018a7 40 35 cf 91 f5 1a 48.@5....H

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

SHA-256 of decoded template

d8f4ffb5e0bf92f12c9ddfa31aebc329205cd4a4dd93cb6f722ad031d97977a0

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
215e4b7bd67251a39e3aea60b1ba1054a966d699185092bca74035cf91f51a48

Original bytes (Base64)

MjE1ZTRiN2JkNjcyNTFhMzllM2FlYTYwYjFiYTEwNTRhOTY2ZDY5OTE4NTA5MmJjYTc0MDM1Y2Y5MWY1MWE0OA==

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.