Cereal2 · Observed attack

AS53102 UDP flood on 187.103.162.0/23 | 2026-10-13 01:51:07Z

· Event #327890

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
2026-10-13T01:51:07.799Z
Recorded

Recorded 325ms after observation

Affected network
187.103.162.0/23
Network operator
S.I. TELECOM. SERVICOS DE TELEFONIA LTDA EPPAS53102
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.843.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000082 85 09 59 0a 9d eb 59...Y...Y
0000000808 36 87 df d8 a3 26 c7.6....&.
000000109a 99 cb e7 9e ff fd 4d.......M
000000184e 25 71 9b c9 0d 46 d4N%q...F.

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

SHA-256 of decoded template

00135bc2315727356c4e0daf610e0969036411161b6f1ec4439d63c711525ed1

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
828509590a9deb59083687dfd8a326c79a99cbe79efffd4d4e25719bc90d46d4

Original bytes (Base64)

ODI4NTA5NTkwYTlkZWI1OTA4MzY4N2RmZDhhMzI2Yzc5YTk5Y2JlNzllZmZmZDRkNGUyNTcxOWJjOTBkNDZkNA==

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.