Cereal2 · Observed attack

AS53102 UDP flood on 187.103.170.0/24 | 2026-10-13 02:17:07Z

· Event #327911

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
2026-10-13T02:17:07.924Z
Recorded

Recorded 505ms after observation

Affected network
187.103.170.0/24
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
101.34.239.216164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.843.153.106.22943.156.101.22843.157.198.13743.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.15994.183.235.24995.182.87.134

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
00000000db 54 78 c3 bb 60 3f 6b.Tx..`?k
00000008aa 83 ec 8d be 26 22 12.....&".
00000010cd 04 d8 21 a4 1d 4d 84...!..M.
0000001823 70 1f 8e a5 54 17 f2#p...T..

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

SHA-256 of decoded template

c38d6124379c25f4e1068889fc0ff2ef74a1417b544a35e581709c1ca0095589

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
db5478c3bb603f6baa83ec8dbe262212cd04d821a41d4d8423701f8ea55417f2

Original bytes (Base64)

ZGI1NDc4YzNiYjYwM2Y2YmFhODNlYzhkYmUyNjIyMTJjZDA0ZDgyMWE0MWQ0ZDg0MjM3MDFmOGVhNTU0MTdmMg==

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.