Cereal2 · Observed attack

AS28665 UDP flood on 177.136.152.0/24 | 2026-10-14 11:08:04Z

· Event #329556

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
2026-10-14T11:08:04.338Z
Recorded

Recorded 136ms after observation

Affected network
177.136.152.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000016 8d 52 c9 fb 8a 51 52..R...QR
000000082d ac 9d df 3e 16 32 2d-...>.2-
000000105a d5 83 5b ee fe 17 72Z..[...r
00000018e4 62 6e a9 ea 4e bb 58.bn..N.X

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

SHA-256 of decoded template

25752206934da831ae8fe16200619e77d48cda77f628f8ac05839a5e2336da4a

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
168d52c9fb8a51522dac9ddf3e16322d5ad5835beefe1772e4626ea9ea4ebb58

Original bytes (Base64)

MTY4ZDUyYzlmYjhhNTE1MjJkYWM5ZGRmM2UxNjMyMmQ1YWQ1ODM1YmVlZmUxNzcyZTQ2MjZlYTllYTRlYmI1OA==

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.