its huge collection of botnet for free

µBot
Aldi v2
Andromeda v2.06
Ann Loader
Brainbot
Cythosia
DirtJumper V3
Elite Loader 3.0
Gaudox 1.1.0.1
HerpesNet

Kbot Builder
Pandora
Pony 1.9
SmokeBot Cracked
Strike
ufonet-v0.5b
Umbra + loader
VertexNet
VertexNetv1.2.1

vnLoader
vOlk 4
Warbot
YZF
Zemra
Zeus Botnet