Cereal2 · Observed attack

AS53102 UDP flood on 187.103.168.0/23 | 2026-10-13 02:09:07Z

· Event #327905

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
2026-10-13T02:09:07.862Z
Recorded

Recorded 149ms after observation

Affected network
187.103.168.0/23
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
101.34.239.216139.59.33.238157.230.127.22170.106.35.197178.128.223.92188.166.12.8206.189.228.1743.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15995.182.87.134

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
000000001e 72 f8 50 29 15 a7 b9.r.P)...
0000000832 17 be 9a 90 6c a0 f72....l..
0000001090 55 6e ce fb 05 23 df.Un...#.
000000188e ba 50 13 c6 84 48 e2..P...H.

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

SHA-256 of decoded template

4012785f642548f293003759e8fdef088574fedca7f3cfe926db2f34ffce2954

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
1e72f8502915a7b93217be9a906ca0f790556ecefb0523df8eba5013c68448e2

Original bytes (Base64)

MWU3MmY4NTAyOTE1YTdiOTMyMTdiZTlhOTA2Y2EwZjc5MDU1NmVjZWZiMDUyM2RmOGViYTUwMTNjNjg0NDhlMg==

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.