Cereal2 · Observed attack

AS28665 UDP flood on 177.12.40.0/24 | 2026-10-13 10:23:30Z

· Event #328236

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
2026-10-13T10:23:30.761Z
Recorded

Recorded 134ms after observation

Affected network
177.12.40.0/24
Network operator
Predlink Rede de Telecomunicções LtdaAS28665
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.153.106.22943.156.101.22843.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
000000002d 0e 59 a8 c7 7e 75 ba-.Y..~u.
0000000807 ca 66 db 0e b0 0f 24..f....$
0000001049 59 d0 f8 c2 af de 29IY.....)
0000001849 95 ee cf 7c 96 a0 7aI...|..z

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

SHA-256 of decoded template

e3d506d1353f7ec3f40d322ec2179b352ade0756e8aac86a91e612481a4fb064

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
2d0e59a8c77e75ba07ca66db0eb00f244959d0f8c2afde294995eecf7c96a07a

Original bytes (Base64)

MmQwZTU5YThjNzdlNzViYTA3Y2E2NmRiMGViMDBmMjQ0OTU5ZDBmOGMyYWZkZTI5NDk5NWVlY2Y3Yzk2YTA3YQ==

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.