Cereal2 · Observed attack

AS28610 UDP flood on 186.209.90.0/23 | 2026-10-13 02:51:08Z

· Event #327945

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
2026-10-13T02:51:08.057Z
Recorded

Recorded 141ms after observation

Affected network
186.209.90.0/23
Network operator
DEBIAN SIGNAL COMUNICAÇÃO MULTIMIDIA LTDA MEAS28610
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.843.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000c5 09 1e 24 c6 66 ba 62...$.f.b
000000089e 3d 3c f0 b0 d6 02 b8.=<.....
00000010e2 16 17 13 a0 ae 89 36.......6
000000187b 4c 75 40 d1 1d 5a 11{Lu@..Z.

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

SHA-256 of decoded template

c701a6e977953cdcdd7597bd4cfbc70e8a1a01ac80fea49cf984adcfd6fec73a

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
c5091e24c666ba629e3d3cf0b0d602b8e2161713a0ae89367b4c7540d11d5a11

Original bytes (Base64)

YzUwOTFlMjRjNjY2YmE2MjllM2QzY2YwYjBkNjAyYjhlMjE2MTcxM2EwYWU4OTM2N2I0Yzc1NDBkMTFkNWExMQ==

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.