Cereal2 · Observed attack

AS53107 UDP flood on 177.104.176.0/23 | 2026-10-13 19:31:33Z

· Event #328704

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
2026-10-13T19:31:33.646Z
Recorded

Recorded 321ms after observation

Affected network
177.104.176.0/23
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
119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000fd 8b fa 0a c0 ff 93 34.......4
00000008d7 7d 98 2b 23 ef 73 3c.}.+#.s<
0000001066 33 06 7b 17 2b d7 caf3.{.+..
0000001813 56 3d aa a8 1a fe 27.V=....'

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

SHA-256 of decoded template

f5f575452d730f041a7ef2880f13196528c10e44ec445d34770efdc6581ef3b0

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
fd8bfa0ac0ff9334d77d982b23ef733c6633067b172bd7ca13563daaa81afe27

Original bytes (Base64)

ZmQ4YmZhMGFjMGZmOTMzNGQ3N2Q5ODJiMjNlZjczM2M2NjMzMDY3YjE3MmJkN2NhMTM1NjNkYWFhODFhZmUyNw==

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.