Cereal2 · Observed attack

AS28665 UDP flood on 177.136.141.0/24 | 2026-10-14 10:46:04Z

· Event #329535

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
2026-10-14T10:46:04.259Z
Recorded

Recorded 132ms after observation

Affected network
177.136.141.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.15994.183.235.24995.182.87.134

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
000000006f 76 44 54 64 4b b0 97ovDTdK..
000000084e fb a7 45 81 99 4f 4eN..E..ON
000000104f d0 d2 4b 64 93 f2 20O..Kd..
00000018c1 a1 02 c4 4b 6d 1a d6....Km..

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

SHA-256 of decoded template

2499ac2bf4b87bda4e0837cf170125cccfa32164a04a70fc5901248cd949999c

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
6f764454644bb0974efba74581994f4e4fd0d24b6493f220c1a102c44b6d1ad6

Original bytes (Base64)

NmY3NjQ0NTQ2NDRiYjA5NzRlZmJhNzQ1ODE5OTRmNGU0ZmQwZDI0YjY0OTNmMjIwYzFhMTAyYzQ0YjZkMWFkNg==

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.