Cereal2 · Observed attack

AS28665 UDP flood on 177.136.140.0/24 | 2026-10-14 10:44:04Z

· Event #329533

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
2026-10-14T10:44:04.259Z
Recorded

Recorded 137ms after observation

Affected network
177.136.140.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5382.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000bf 85 f4 42 63 ea c7 32...Bc..2
0000000800 73 c9 e0 30 f1 25 79.s..0.%y
0000001067 f1 55 c0 2e 0a 62 8bg.U...b.
00000018b2 fd c2 00 5c ee 67 c1....\.g.

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

SHA-256 of decoded template

b4689718a6082686446d9b3fab84ee75cfccbb2d66564dfa65a885bf7cb26402

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
bf85f44263eac7320073c9e030f1257967f155c02e0a628bb2fdc2005cee67c1

Original bytes (Base64)

YmY4NWY0NDI2M2VhYzczMjAwNzNjOWUwMzBmMTI1Nzk2N2YxNTVjMDJlMGE2MjhiYjJmZGMyMDA1Y2VlNjdjMQ==

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.