Cereal2 · Observed attack

AS53102 UDP flood on 187.103.170.0/23 | 2026-10-13 02:15:07Z

· Event #327910

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
2026-10-13T02:15:07.907Z
Recorded

Recorded 145ms after observation

Affected network
187.103.170.0/23
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
101.34.239.216157.230.127.22164.90.186.13170.106.35.197178.128.223.92206.189.228.1743.136.129.13143.153.106.22943.157.198.13743.173.37.5364.227.72.6882.157.209.4194.183.235.24995.182.87.134

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
0000000050 99 3d fe 9c a2 0e 94P.=.....
0000000829 ff bf dd 57 84 8a 29)...W..)
0000001086 20 f7 7e 43 1c a8 5d. .~C..]
000000181b fe ad 40 f6 f7 0b ef...@....

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

SHA-256 of decoded template

c5f88b5caac8961021c4f52f82ecdad06bce4abf10e048a6b103b482a6c85e85

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
50993dfe9ca20e9429ffbfdd57848a298620f77e431ca85d1bfead40f6f70bef

Original bytes (Base64)

NTA5OTNkZmU5Y2EyMGU5NDI5ZmZiZmRkNTc4NDhhMjk4NjIwZjc3ZTQzMWNhODVkMWJmZWFkNDBmNmY3MGJlZg==

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.