Function at 0x406760
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0x14
mov ebp, dword [ecx]
xor eax, eax
cmp byte [ebp], 0x22
jne 0x406a18
mov esi, ebp
jmp 0x40678f
lea esi, [ebx + 2]
mov dword [ecx], esi
cmp byte [ebx + 2], 0
je 0x406a18
mov ebx, esi
inc esi
mov dword [ecx], esi
movzx edi, byte [ebx + 1]
cmp edi, 0x5c
je 0x406780
test edi, edi
je 0x406a18
cmp edi, 0x22
jne 0x40678f
mov dword [esp + 4], edx
add ebx, 2
mov dword [ecx], ebx
mov edi, ebp
sub ebx, ebp
lea eax, [ebx - 1]
push eax
call dword [0x44a008]
add esp, 4
mov dword [esp], eax
test eax, eax
je case.0x406817.35
mov esi, dword [esp]
add ebx, 0xfffffffe
je 0x4069ce
movzx eax, byte [edi + 1]
mov esi, dword [esp]
test al, al
je 0x4069ce
mov ebp, edi
inc ebp
mov esi, dword [esp]
mov dword [esp + 8], ebp
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
cmp al, 0x5c
jne 0x406830
movzx eax, byte [ebp + 1]
add eax, 0xffffffde
cmp eax, 0x53
ja case.0x406817.35
lea edi, [ebp + 1]
jmp dword [eax*4 + 0x44798c]
mov byte [esi], 0x22
jmp 0x40683c
cmp al, 0x20
jb case.0x406817.35
mov byte [esi], al
mov edi, ebp
inc esi
movzx eax, byte [edi + 1]
test al, al
mov edx, dword [esp + 8]
je 0x4069ce
inc edi
mov ecx, edi
sub ecx, edx
mov ebp, edi
cmp ecx, ebx
jb 0x406800
jmp 0x4069ce
mov byte [esi], 0xa
jmp 0x40683c
mov byte [esi], 0x2f
jmp 0x40683c
mov byte [esi], 8
jmp 0x40683c
lea ecx, [ebp + 2]
lea edx, [esp + 0x10]
call fcn.00406a20
test eax, eax
jne case.0x406817.35
mov edx, dword [esp + 0x10]
cmp edx, 0x7f
ja 0x4068a1
mov byte [esi], dl
jmp 0x4068f7
mov byte [esi], 0x5c
jmp 0x40683c
mov byte [esi], 0xd
jmp 0x40683c
mov byte [esi], 0xc
jmp 0x40683c
mov byte [esi], 9
jmp 0x40683c
cmp edx, 0x7ff
ja 0x4068be
mov eax, edx
shr eax, 6
or al, 0xc0
mov byte [esi], al
and dl, 0x3f
or dl, 0x80
mov byte [esi + 1], dl
inc esi
jmp 0x4068f7
lea eax, [edx - 0xe000]
cmp eax, 0xfffff7ff
ja 0x406906
mov ecx, edx
shr ecx, 0xc
mov eax, ecx
not eax
or eax, 0xf
add eax, ecx
inc al
or al, 0xe0
mov byte [esi], al
mov eax, edx
shr eax, 6
and al, 0x3f
or al, 0x80
mov byte [esi + 1], al
and dl, 0x3f
or dl, 0x80
mov byte [esi + 2], dl
add esi, 2
mov eax, 1
add edi, eax
add edi, 3
jmp 0x40683c
cmp edx, 0xdbff
ja case.0x406817.35
cmp byte [ebp + 6], 0x5c
jne case.0x406817.35
cmp byte [ebp + 7], 0x75
jne case.0x406817.35
add ebp, 8
mov ecx, ebp
mov ebp, edx
lea edx, [esp + 0xc]
call fcn.00406a20
test eax, eax
jne case.0x406817.35
mov ecx, dword [esp + 0xc]
cmp ecx, 0xdc00
jb case.0x406817.35
cmp ecx, 0xdfff
ja case.0x406817.35
mov edx, ebp
shl edx, 0xa
and edx, 0xffc00
mov eax, 0x3ff
sub eax, ecx
mov ecx, eax
and ecx, 0x3ff
or ecx, edx
and ebp, 0x40
shl ebp, 0xb
xor ecx, 0x103ff
add ebp, ecx
mov edx, ebp
shr edx, 0x12
or dl, 0xf0
mov byte [esi], dl
mov edx, ebp
shr edx, 0xc
and dl, 0x3f
or dl, 0x80
mov byte [esi + 1], dl
shr ebp, 6
mov edx, ebp
not edx
or edx, 0x3f
add edx, ebp
inc dl
or dl, 0x80
mov byte [esi + 2], dl
or eax, 0x3f
add eax, ecx
inc al
or al, 0x80
mov byte [esi + 3], al
add esi, 3
mov eax, 7
add edi, eax
add edi, 3
jmp 0x40683c
mov byte [esi], 0
sub esi, dword [esp]
lea edi, [esi + 1]
push edi
call dword [0x44a008]
add esp, 4
test eax, eax
je case.0x406817.35
push edi
mov ebx, dword [esp + 4]
push ebx
push eax
mov edi, eax
call fcn.0040ce00
add esp, 0xc
mov eax, dword [esp + 4]
mov dword [eax], esi
push ebx
call dword [0x44a004]
add esp, 4
mov eax, edi
jmp 0x406a18
push dword [esp]
call dword [0x44a004]
add esp, 4
xor eax, eax
add esp, 0x14
pop esi
pop edi
pop ebx
pop ebp
ret