Cereal2 · Observed attack

AS53107 UDP flood on 177.104.136.0/24 | 2026-10-13 18:41:33Z

· Event #328656

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
2026-10-13T18:41:33.439Z
Recorded

Recorded 465ms after observation

Affected network
177.104.136.0/24
Network operator
EVEO S.A.AS53107
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
0000000022 d9 6e 7c f6 81 77 40".n|..w@
00000008f0 1e 32 5f b2 f8 d5 2e..2_....
00000010e5 01 4d c1 5f 70 6c af..M._pl.
000000181d ba 36 46 8b c3 fe 7f..6F....

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

SHA-256 of decoded template

2570213bf80794684cd95ab376108e52596289017bfb7661ce35c516bf663783

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
22d96e7cf6817740f01e325fb2f8d52ee5014dc15f706caf1dba36468bc3fe7f

Original bytes (Base64)

MjJkOTZlN2NmNjgxNzc0MGYwMWUzMjVmYjJmOGQ1MmVlNTAxNGRjMTVmNzA2Y2FmMWRiYTM2NDY4YmMzZmU3Zg==

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.