Cereal2 · Observed attack

AS53107 UDP flood on 181.191.211.0/24 | 2026-10-13 20:55:34Z

· Event #328795

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
2026-10-13T20:55:34.312Z
Recorded

Recorded 151ms after observation

Affected network
181.191.211.0/24
Network operator
EVEO S.A.AS53107
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000098 d7 9d 02 eb 02 e2 a2........
0000000837 8a 35 86 7b 66 9f 717.5.{f.q
000000100b 27 d3 90 b6 32 d4 82.'...2..
00000018f0 83 9e 1e 0f 76 af 81.....v..

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

SHA-256 of decoded template

46f205b8042e7740e6e725671ec6869510eb14b76e82e89fe9a7a223e95361fa

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
98d79d02eb02e2a2378a35867b669f710b27d390b632d482f0839e1e0f76af81

Original bytes (Base64)

OThkNzlkMDJlYjAyZTJhMjM3OGEzNTg2N2I2NjlmNzEwYjI3ZDM5MGI2MzJkNDgyZjA4MzllMWUwZjc2YWY4MQ==

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.