Function at 0x406020
Capabilities:
Encrypt data using rc4 prga
Resolve function by parsing pe exports

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0x4c
mov eax, dword [esp + 0xa4]
mov edi, dword [esp + 0x60]
mov esi, dword [edi + 0x48]
mov ebx, dword [esi + 4]
mov dword [esp + 0x48], ebx
test eax, eax
je 0x406052
cmp dword [esi + 0x34], 0
jne 0x406052
mov dword [edi + 0x1c], 3
jmp 0x406562
mov dword [esp + 0x44], eax
movzx ecx, word [esp + 0x70]
movzx eax, word [esp + 0x68]
movzx ecx, cx
movzx ebp, word [esp + 0x78]
mov dword [esp + 0x38], ecx
mov edx, eax
mov dword [esp + 0x3c], eax
add ecx, eax
add ecx, ebp
mov eax, dword [esp + 0xb0]
xor edx, edx
add ecx, eax
setb dl
add ecx, ebx
adc edx, 0
add ecx, 0x2e
adc edx, 0
cmp ecx, 0xffffffff
sbb edx, 0
jb 0x4060a3
mov dword [edi + 0x1c], 0xf
jmp 0x406562
mov dword [esp + 0x34], ebp
mov dword [esp], ebx
mov edi, dword [esp + 0x88]
mov ebp, dword [esp + 0x80]
mov dword [esp + 0xa], 0
mov dword [esp + 0xe], 0
mov dword [esp + 0x12], 0
mov dword [esp + 0x16], 0
mov dword [esp + 0x1a], 0
mov dword [esp + 0x1e], 0
mov dword [esp + 0x22], 0
mov dword [esp + 0x26], 0
mov word [esp + 0x2a], 0
mov dword [esp + 6], 0x2014b50
movzx edx, word [esp + 0x90]
mov ebx, dword [esp + 0x8c]
mov ecx, eax
movzx eax, word [esp + 0x70]
add eax, ecx
mov dword [esp + 0x40], eax
mov eax, edx
xor ecx, ecx
mov edx, 0
test ax, ax
je 0x406133
mov dl, 0x14
mov byte [esp + 0xc], dl
movzx edx, word [esp + 0x94]
mov byte [esp + 0xe], dl
mov byte [esp + 0xf], dh
mov byte [esp + 0x10], al
mov byte [esp + 0x11], ah
movzx eax, word [esp + 0x98]
mov byte [esp + 0x12], al
mov byte [esp + 0x13], ah
movzx eax, word [esp + 0x9c]
mov byte [esp + 0x14], al
mov byte [esp + 0x15], ah
mov byte [esp + 0x16], bl
mov byte [esp + 0x17], bh
mov edx, ebx
shr edx, 0x10
mov byte [esp + 0x18], dl
shr ebx, 0x18
neg edi
mov edx, 0
sbb edx, edx
mov byte [esp + 0x19], bl
or edx, dword [esp + 0x84]
mov byte [esp + 0x1a], dl
mov byte [esp + 0x1b], dh
mov ebx, edx
shr ebx, 0x10
mov byte [esp + 0x1c], bl
shr edx, 0x18
neg ebp
mov ebx, 0
sbb ebx, ebx
mov byte [esp + 0x1d], dl
or ebx, dword [esp + 0x7c]
mov byte [esp + 0x1e], bl
mov byte [esp + 0x1f], bh
mov edx, ebx
shr edx, 0x10
mov byte [esp + 0x20], dl
shr ebx, 0x18
mov byte [esp + 0x21], bl
movzx eax, word [esp + 0x68]
mov byte [esp + 0x22], al
mov byte [esp + 0x23], ah
mov eax, dword [esp + 0x40]
mov byte [esp + 0x24], al
mov byte [esp + 0x25], ah
movzx edx, word [esp + 0x78]
mov byte [esp + 0x26], dl
mov byte [esp + 0x27], dh
mov eax, dword [esp + 0xa8]
mov byte [esp + 0x2c], al
mov byte [esp + 0x2d], ah
mov edx, eax
shr edx, 0x10
mov byte [esp + 0x2e], dl
shr eax, 0x18
neg dword [esp + 0x44]
sbb ecx, ecx
mov byte [esp + 0x2f], al
or ecx, dword [esp + 0xa0]
mov byte [esp + 0x30], cl
mov byte [esp + 0x31], ch
mov eax, ecx
shr eax, 0x10
mov byte [esp + 0x32], al
shr ecx, 0x18
mov byte [esp + 0x33], cl
mov ebx, dword [esp]
lea edi, [ebx + 0x2e]
mov eax, dword [esi + 8]
cmp eax, edi
jae 0x40628d
cmp eax, 1
adc eax, 0
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov ebx, eax
add eax, eax
cmp ebx, edi
jb 0x406260
push ebx
push dword [esi + 0xc]
push dword [esi]
mov eax, dword [esp + 0x6c]
push dword [eax + 0x34]
call dword [eax + 0x30]
add esp, 0x10
test eax, eax
je 0x406534
mov dword [esi], eax
mov dword [esi + 8], ebx
mov ebx, dword [esp]
jmp 0x40628f
mov eax, dword [esi]
mov dword [esi + 4], edi
mov edx, dword [esi + 0xc]
mov ecx, edx
imul ecx, ebx
add ecx, eax
mov eax, edx
and eax, 0xffffffd1
mov edi, edx
and edi, 0x2e
or edx, 0x2e
imul edx, edi
xor edi, 0x2e
imul edi, eax
add edx, edi
lea eax, [esp + 6]
push edx
push eax
push ecx
call fcn.00408810
add esp, 0xc
mov ebx, dword [esi + 4]
mov ebp, dword [esi + 8]
mov eax, dword [esp + 0x3c]
lea edi, [ebx + eax]
cmp ebp, edi
jae 0x406308
cmp ebp, 1
adc ebp, 0
mov eax, ebp
nop
nop
nop
nop
mov ebp, eax
add eax, eax
cmp ebp, edi
jb 0x4062e0
push ebp
push dword [esi + 0xc]
push dword [esi]
mov eax, dword [esp + 0x6c]
push dword [eax + 0x34]
call dword [eax + 0x30]
add esp, 0x10
test eax, eax
je 0x406534
mov dword [esi], eax
mov dword [esi + 8], ebp
movzx ecx, word [esp + 0x70]
mov dword [esi + 4], edi
cmp word [esp + 0x68], 0
je 0x406357
mov eax, dword [esi + 0xc]
imul ebx, eax
add ebx, dword [esi]
mov edi, dword [esp + 0x3c]
mov ecx, edi
not ecx
and ecx, eax
mov edx, eax
not edx
and edx, edi
imul edx, ecx
mov ecx, eax
and ecx, edi
or eax, edi
imul eax, ecx
add eax, edx
push eax
push dword [esp + 0x68]
push ebx
call fcn.00408810
movzx ecx, word [esp + 0x7c]
add esp, 0xc
mov edi, dword [esi + 4]
mov ebp, dword [esi + 8]
mov eax, dword [esp + 0x38]
lea ebx, [edi + eax]
cmp ebp, ebx
jae 0x40639d
cmp ebp, 1
adc ebp, 0
mov eax, ebp
nop
nop
nop
nop
nop
nop
mov ebp, eax
add eax, eax
cmp ebp, ebx
jb 0x406370
push ebp
push dword [esi + 0xc]
push dword [esi]
mov eax, dword [esp + 0x6c]
push dword [eax + 0x34]
call dword [eax + 0x30]
add esp, 0x10
test eax, eax
je 0x406534
mov dword [esi], eax
mov dword [esi + 8], ebp
movzx ecx, word [esp + 0x70]
mov dword [esi + 4], ebx
test cx, cx
je 0x4063df
mov eax, dword [esi + 0xc]
imul edi, eax
add edi, dword [esi]
mov ebx, dword [esp + 0x38]
mov ecx, ebx
not ecx
and ecx, eax
mov edx, eax
not edx
and edx, ebx
imul edx, ecx
mov ecx, eax
and ecx, ebx
or eax, ebx
imul eax, ecx
add eax, edx
push eax
push dword [esp + 0x70]
push edi
call fcn.00408810
add esp, 0xc
mov ebx, dword [esi + 4]
mov ebp, dword [esi + 8]
mov eax, dword [esp + 0xb0]
lea edi, [ebx + eax]
cmp ebp, edi
jae 0x40642f
cmp ebp, 1
adc ebp, 0
mov eax, ebp
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov ebp, eax
add eax, eax
cmp ebp, edi
jb 0x406400
push ebp
push dword [esi + 0xc]
push dword [esi]
mov eax, dword [esp + 0x6c]
push dword [eax + 0x34]
call dword [eax + 0x30]
add esp, 0x10
test eax, eax
je 0x406534
mov dword [esi], eax
mov dword [esi + 8], ebp
mov eax, dword [esp + 0xb0]
mov dword [esi + 4], edi
test eax, eax
je 0x406471
mov edi, eax
mov eax, dword [esi + 0xc]
imul ebx, eax
add ebx, dword [esi]
mov ecx, edi
not ecx
and ecx, eax
mov edx, eax
not edx
and edx, edi
imul edx, ecx
mov ecx, eax
and ecx, edi
or eax, edi
imul eax, ecx
add eax, edx
push eax
push dword [esp + 0xb0]
push ebx
call fcn.00408810
add esp, 0xc
mov edi, dword [esi + 4]
mov ebp, dword [esi + 8]
mov eax, dword [esp + 0x34]
lea ebx, [edi + eax]
cmp ebp, ebx
jae 0x406495
mov ecx, dword [esp + 0x60]
mov edx, esi
push 1
push ebx
call fcn.00408660
add esp, 8
test eax, eax
je 0x406534
mov dword [esi + 4], ebx
cmp word [esp + 0x78], 0
je 0x4064d4
mov eax, dword [esi + 0xc]
imul edi, eax
add edi, dword [esi]
mov ebx, dword [esp + 0x34]
mov ecx, ebx
not ecx
and ecx, eax
mov edx, eax
not edx
and edx, ebx
imul edx, ecx
mov ecx, eax
and ecx, ebx
or eax, ebx
imul eax, ecx
add eax, edx
push eax
push dword [esp + 0x78]
push edi
call fcn.00408810
add esp, 0xc
mov edi, dword [esi + 0x14]
lea ebx, [edi + 1]
cmp dword [esi + 0x18], ebx
jae 0x4064f5
lea edx, [esi + 0x10]
mov ecx, dword [esp + 0x60]
push 1
push ebx
call fcn.00408660
add esp, 8
test eax, eax
je 0x406534
mov dword [esi + 0x14], ebx
mov eax, dword [esi + 0x1c]
mov ecx, eax
not ecx
imul edi, eax
add edi, dword [esi + 0x10]
mov edx, eax
and edx, 0xfffffffe
mov esi, eax
and esi, 1
neg esi
and ecx, 1
imul ecx, edx
or eax, 1
and eax, esi
add eax, ecx
lea ecx, [esp + 0x48]
push eax
push ecx
push edi
call fcn.00408810
add esp, 0xc
mov eax, 1
jmp 0x406564
mov ebx, dword [esp]
cmp dword [esi + 8], ebx
mov edi, dword [esp + 0x60]
jae 0x406558
push ebx
push dword [esi + 0xc]
push dword [esi]
push dword [edi + 0x34]
call dword [edi + 0x30]
add esp, 0x10
test eax, eax
je 0x40655b
mov dword [esi], eax
mov dword [esi + 8], ebx
mov dword [esi + 4], ebx
mov dword [edi + 0x1c], 0x10
xor eax, eax
add esp, 0x4c
pop esi
pop edi
pop ebx
pop ebp
ret