Cereal2 · Observed attack

AS53107 UDP flood on 177.136.228.0/24 | 2026-10-13 20:15:33Z

· Event #328755

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
2026-10-13T20:15:33.863Z
Recorded

Recorded 172ms after observation

Affected network
177.136.228.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5382.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000000 0d 91 11 72 98 f4 06....r...
0000000825 02 0e f6 9f 08 cf 55%......U
00000010a3 9f 56 84 d8 5f 62 d9..V.._b.
00000018bd 29 5a 3b cc 3c 4c 56.)Z;.<LV

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

SHA-256 of decoded template

7f9a0f994b1b86fafcda1852e761d3ce8374f8166460b416e2fd8bb9be9d2d94

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
000d91117298f40625020ef69f08cf55a39f5684d85f62d9bd295a3bcc3c4c56

Original bytes (Base64)

MDAwZDkxMTE3Mjk4ZjQwNjI1MDIwZWY2OWYwOGNmNTVhMzlmNTY4NGQ4NWY2MmQ5YmQyOTVhM2JjYzNjNGM1Ng==

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.