Cereal2 · Observed attack

AS53107 UDP flood on 177.136.228.0/24 | 2026-10-13 05:59:09Z

· Event #328003

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
2026-10-13T05:59:09.095Z
Recorded

Recorded 245ms after observation

Affected network
177.136.228.0/24
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
101.34.239.216119.45.12.154157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.843.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6882.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000ad 7a 78 d2 58 e7 ad d8.zx.X...
000000088c 89 91 b0 b7 d6 a4 19........
00000010cc c4 b8 41 11 af 7a bf...A..z.
0000001879 73 5b c7 34 0c 9a 6bys[.4..k

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

SHA-256 of decoded template

685db685b9659a88997ba39f9d8bf55dd5251c80c1553f3b2330eea4eee821f6

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
ad7a78d258e7add88c8991b0b7d6a419ccc4b84111af7abf79735bc7340c9a6b

Original bytes (Base64)

YWQ3YTc4ZDI1OGU3YWRkODhjODk5MWIwYjdkNmE0MTljY2M0Yjg0MTExYWY3YWJmNzk3MzViYzczNDBjOWE2Yg==

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.