Cereal2 · Observed attack

AS28665 UDP flood on 177.12.41.0/24 | 2026-10-10 18:53:30Z

· Event #324467

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
2026-10-10T18:53:30.386Z
Recorded

Recorded 158ms after observation

Affected network
177.12.41.0/24
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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
000000009b ef 7f 05 02 85 88 45.......E
00000008d0 aa 74 89 cd 52 31 c0..t..R1.
0000001063 be 45 c9 df 19 1c c4c.E.....
000000182e b2 59 2d 80 8f 1f 8b..Y-....

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

SHA-256 of decoded template

509454416c4bc89a9f288eb296fda8e938c79ca9cb3f6f90b7e96768be4105a5

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
9bef7f0502858845d0aa7489cd5231c063be45c9df191cc42eb2592d808f1f8b

Original bytes (Base64)

OWJlZjdmMDUwMjg1ODg0NWQwYWE3NDg5Y2Q1MjMxYzA2M2JlNDVjOWRmMTkxY2M0MmViMjU5MmQ4MDhmMWY4Yg==

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.