Cereal2 · Observed attack

AS53102 UDP flood on 187.103.164.0/24 | 2026-10-13 01:59:07Z

· Event #327897

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
2026-10-13T01:59:07.846Z
Recorded

Recorded 152ms after observation

Affected network
187.103.164.0/24
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
101.34.239.216119.45.12.154139.59.33.238157.230.127.22165.22.152.158178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15564.227.72.6877.232.43.2182.157.209.4194.183.235.249

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
000000007b ba 83 41 7d fc 8e 14{..A}...
0000000820 d5 66 57 3d 14 ae 80 .fW=...
00000010c2 25 3e 86 b0 f5 59 f8.%>...Y.
0000001875 c3 e8 2e 12 b2 10 80u.......

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

SHA-256 of decoded template

9c13464d7967bf240e10bcde8e8256a9e1b55a2290348fa42c9b4f65583eb257

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
7bba83417dfc8e1420d566573d14ae80c2253e86b0f559f875c3e82e12b21080

Original bytes (Base64)

N2JiYTgzNDE3ZGZjOGUxNDIwZDU2NjU3M2QxNGFlODBjMjI1M2U4NmIwZjU1OWY4NzVjM2U4MmUxMmIyMTA4MA==

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.