Cereal2 · Observed attack

AS61754 UDP flood on 131.100.40.0/24 | 2026-10-10 21:37:50Z

· Event #324685

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
2026-10-10T21:37:50.534Z
Recorded

Recorded 136ms after observation

Affected network
131.100.40.0/24
Network operator
I3 Telecomunicacoes - EIRELIAS61754
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
00000000d7 77 a9 c5 df 4e 6e f2.w...Nn.
000000088f 8c 22 7f 86 f9 d4 04..".....
00000010e3 27 33 dd 60 3e bf 29.'3.`>.)
00000018d8 38 d9 9d 59 fc 32 1e.8..Y.2.

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

SHA-256 of decoded template

6ebaa81d613f3f77fc77a93941aa9e39f039b69028b34ccdbd3aa8bd40aff37b

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
d777a9c5df4e6ef28f8c227f86f9d404e32733dd603ebf29d838d99d59fc321e

Original bytes (Base64)

ZDc3N2E5YzVkZjRlNmVmMjhmOGMyMjdmODZmOWQ0MDRlMzI3MzNkZDYwM2ViZjI5ZDgzOGQ5OWQ1OWZjMzIxZQ==

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.