Cereal2 · Observed attack

AS61855 UDP flood on 131.0.6.0/23 | 2026-10-13 08:35:30Z

· Event #328141

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
2026-10-13T08:35:30.208Z
Recorded

Recorded 138ms after observation

Affected network
131.0.6.0/23
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
101.34.239.216119.45.12.154157.230.127.22159.223.68.251164.90.186.13188.166.12.8206.189.228.1743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15995.182.87.134

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
0000000058 08 fb cc b8 8d c1 65X......e
0000000862 33 20 d2 b5 f0 e4 5ab3 ....Z
000000109f 76 ae 00 09 8d d0 ff.v......
00000018bc 26 08 bf c5 bb de 9a.&......

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

SHA-256 of decoded template

4eb3ea5227ab74786a1f6d77b401f19048426be77c30be63af6eb9e1ac0ed142

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
5808fbccb88dc165623320d2b5f0e45a9f76ae00098dd0ffbc2608bfc5bbde9a

Original bytes (Base64)

NTgwOGZiY2NiODhkYzE2NTYyMzMyMGQyYjVmMGU0NWE5Zjc2YWUwMDA5OGRkMGZmYmMyNjA4YmZjNWJiZGU5YQ==

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.