Function at 0x40be30
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
sub esp, 0x14
lea eax, [esp + 8]
mov dword [esp + 8], ecx
test eax, eax
mov dword [ecx], 0x42f090
jne 0x40c350
push ebx
push ebp
push esi
xor ebx, ebx
push edi
push ebx
push ebx
push ebx
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_LockFile]
xor eax, eax
movsx ecx, ax
mov byte [esp + ecx + 0x1c], al
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40be69
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40be79
inc eax
cmp ax, 0x100
jl 0x40be5c
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40be90
mov byte [esp + 0x10], bl
mov byte [esp + 0x20], bl
mov ebp, dword [esp + 0x10]
mov byte [esp + 0x21], bl
mov byte [esp + 0x14], bl
jmp 0x40beb2
xor ebx, ebx
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40beb8
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40bec8
xor ecx, ecx
lea eax, [esp + 0x1c]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40bed8
mov eax, dword [esp + 0x14]
xor ebx, ebx
movsx edx, cx
and eax, 0xff
and ebp, 0xff
lea esi, [esp + edx + 0x1c]
mov bl, byte [eax + 0x384]
mov dl, byte [esi]
mov edi, edx
and edi, 0xff
add ebx, edi
add ebx, ebp
and ebx, 0x800000ff
jns 0x40bf1f
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x10], bl
mov ebp, dword [esp + 0x10]
mov edi, ebp
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x1c]
lea edi, [esp + edi + 0x1c]
mov byte [esi], bl
mov esi, 0x57
mov byte [edi], dl
cdq
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x14], dl
jl 0x40beb0
mov edi, ebp
and edi, 0xff
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40bf62
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40bf72
xor ecx, ecx
lea eax, [esp + 0x1c]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40bf82
movsx eax, cx
mov dl, byte [esp + eax + 0x1c]
xor ebx, ebx
lea esi, [esp + eax + 0x1c]
mov eax, dword [esp + 0x14]
and eax, 0xff
mov ebp, edx
and ebp, 0xff
mov bl, byte [eax + 0x384]
add edi, ebx
add ebp, edi
mov ebx, ebp
and ebx, 0x800000ff
jns 0x40bfc7
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x10], bl
mov edi, dword [esp + 0x10]
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x1c]
mov byte [esi], bl
mov byte [esp + edi + 0x1c], dl
cdq
mov esi, 0x57
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x14], dl
jl 0x40bf5c
mov ecx, dword [esp + 0x18]
xor ebx, ebx
push ebx
push ebx
push ebx
push ebx
push ebx
call dword [ecx + 0x4c]
xor eax, eax
movsx edx, ax
lea ecx, [esp + 0x1c]
mov byte [esp + edx + 0x1c], al
xor eax, eax
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40c015
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40c025
inc eax
cmp ax, 0x100
jl 0x40c008
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40c03c
mov byte [esp + 0x10], bl
mov byte [esp + 0x20], bl
mov ebp, dword [esp + 0x10]
mov byte [esp + 0x21], bl
mov byte [esp + 0x14], bl
jmp 0x40c05e
xor ebx, ebx
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40c064
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40c074
xor ecx, ecx
lea eax, [esp + 0x1c]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40c084
movsx eax, cx
mov dl, byte [esp + eax + 0x1c]
xor ebx, ebx
lea esi, [esp + eax + 0x1c]
mov eax, dword [esp + 0x14]
and eax, 0xff
mov edi, edx
and edi, 0xff
and ebp, 0xff
mov bl, byte [eax + 0x384]
add ebx, edi
add ebx, ebp
and ebx, 0x800000ff
jns 0x40c0cd
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x10], bl
mov ebp, dword [esp + 0x10]
mov edi, ebp
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x1c]
lea edi, [esp + edi + 0x1c]
mov byte [esi], bl
mov esi, 0x57
mov byte [edi], dl
cdq
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x14], dl
jl 0x40c05c
mov edi, ebp
and edi, 0xff
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40c110
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40c120
xor ecx, ecx
lea eax, [esp + 0x1c]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40c130
mov eax, dword [esp + 0x14]
xor ebx, ebx
movsx edx, cx
and eax, 0xff
lea esi, [esp + edx + 0x1c]
mov bl, byte [eax + 0x384]
mov dl, byte [esi]
add edi, ebx
mov ebp, edx
and ebp, 0xff
add ebp, edi
mov ebx, ebp
and ebx, 0x800000ff
jns 0x40c173
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x10], bl
mov edi, dword [esp + 0x10]
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x1c]
mov byte [esi], bl
mov byte [esp + edi + 0x1c], dl
cdq
mov esi, 0x57
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x14], dl
jl 0x40c10a
mov eax, dword [esp + 0x18]
call dword [eax + 0xd0]
xor ecx, ecx
xor eax, eax
movsx edx, ax
mov byte [esp + edx + 0x1c], al
xor eax, eax
lea edx, [esp + 0x1c]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x40c1bf
xor eax, eax
lea edx, [esp + 0x1c]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x40c1cf
inc eax
cmp ax, 0x100
jl 0x40c1b2
xor eax, eax
lea edx, [esp + 0x1c]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x40c1e6
mov byte [esp + 0x10], cl
mov byte [esp + 0x20], cl
mov ebp, dword [esp + 0x10]
mov byte [esp + 0x21], cl
mov byte [esp + 0x14], cl
jmp 0x40c208
xor ecx, ecx
xor eax, eax
lea edx, [esp + 0x1c]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x40c20e
xor eax, eax
lea edx, [esp + 0x1c]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x40c21e
lea eax, [esp + 0x1c]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40c22c
movsx eax, cx
mov dl, byte [esp + eax + 0x1c]
xor ebx, ebx
lea esi, [esp + eax + 0x1c]
mov eax, dword [esp + 0x14]
and eax, 0xff
mov edi, edx
and edi, 0xff
and ebp, 0xff
mov bl, byte [eax + 0x384]
add ebx, edi
add ebx, ebp
and ebx, 0x800000ff
jns 0x40c275
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x10], bl
mov ebp, dword [esp + 0x10]
mov edi, ebp
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x1c]
lea edi, [esp + edi + 0x1c]
mov byte [esi], bl
mov esi, 0x57
mov byte [edi], dl
cdq
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x14], dl
jl 0x40c206
mov edi, ebp
and edi, 0xff
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40c2b8
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40c2c8
xor ecx, ecx
lea eax, [esp + 0x1c]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40c2d8
mov eax, dword [esp + 0x14]
xor ebx, ebx
movsx edx, cx
and eax, 0xff
lea esi, [esp + edx + 0x1c]
mov bl, byte [eax + 0x384]
mov dl, byte [esi]
add edi, ebx
mov ebp, edx
and ebp, 0xff
add ebp, edi
mov ebx, ebp
and ebx, 0x800000ff
jns 0x40c31b
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x10], bl
mov edi, dword [esp + 0x10]
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x1c]
mov byte [esi], bl
mov byte [esp + edi + 0x1c], dl
cdq
mov esi, 0x57
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x14], dl
jl 0x40c2b2
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x14
ret