Function at 0x405c20
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0x50
mov eax, dword [esp + 0xa8]
mov edi, dword [esp + 0x64]
mov ecx, dword [edi + 0x48]
mov ebx, dword [ecx + 4]
mov dword [esp + 0x4c], ebx
test eax, eax
je 0x405c52
cmp dword [ecx + 0x34], 0
jne 0x405c52
mov dword [edi + 0x1c], 3
jmp 0x406162
mov dword [esp + 0x48], ecx
movzx ecx, word [esp + 0x74]
movzx esi, word [esp + 0x6c]
movzx ecx, cx
movzx ebp, word [esp + 0x7c]
mov dword [esp + 0x38], ecx
mov edx, esi
mov dword [esp + 0x3c], esi
add ecx, esi
add ecx, ebp
mov esi, dword [esp + 0xb4]
xor edx, edx
add ecx, esi
setb dl
add ecx, ebx
adc edx, 0
add ecx, 0x2e
adc edx, 0
cmp ecx, 0xffffffff
sbb edx, 0
jb 0x405ca3
mov dword [edi + 0x1c], 0xf
jmp 0x406162
mov dword [esp + 0x34], ebp
mov dword [esp], ebx
mov edi, dword [esp + 0x8c]
mov ecx, dword [esp + 0x84]
mov dword [esp + 0x40], ecx
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 ebp, word [esp + 0x94]
mov ebx, dword [esp + 0x90]
movzx ecx, word [esp + 0x74]
add ecx, esi
mov dword [esp + 0x44], ecx
xor ecx, ecx
mov edx, 0
mov esi, ebp
test bp, bp
je 0x405d35
mov dl, 0x14
mov byte [esp + 0xc], dl
movzx edx, word [esp + 0x98]
mov byte [esp + 0xe], dl
mov byte [esp + 0xf], dh
mov edx, esi
mov byte [esp + 0x10], dl
mov byte [esp + 0x11], dh
movzx edx, word [esp + 0x9c]
mov byte [esp + 0x12], dl
mov byte [esp + 0x13], dh
movzx edx, word [esp + 0xa0]
mov byte [esp + 0x14], dl
mov byte [esp + 0x15], dh
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 + 0x88]
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 dword [esp + 0x40]
mov ebx, 0
sbb ebx, ebx
mov byte [esp + 0x1d], dl
or ebx, dword [esp + 0x80]
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 edx, word [esp + 0x6c]
mov byte [esp + 0x22], dl
mov byte [esp + 0x23], dh
mov edx, dword [esp + 0x44]
mov byte [esp + 0x24], dl
mov byte [esp + 0x25], dh
movzx edx, word [esp + 0x7c]
mov byte [esp + 0x26], dl
mov byte [esp + 0x27], dh
mov ebx, dword [esp + 0xac]
mov byte [esp + 0x2c], bl
mov byte [esp + 0x2d], bh
mov edx, ebx
shr edx, 0x10
mov byte [esp + 0x2e], dl
shr ebx, 0x18
neg eax
sbb ecx, ecx
mov byte [esp + 0x2f], bl
or ecx, dword [esp + 0xa4]
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 esi, dword [esp + 0x48]
mov eax, dword [esi + 8]
cmp eax, edi
jae 0x405e8d
cmp eax, 1
adc eax, 0
nop
nop
nop
nop
mov ebx, eax
add eax, eax
cmp ebx, edi
jb 0x405e60
push ebx
push dword [esi + 0xc]
push dword [esi]
mov eax, dword [esp + 0x70]
push dword [eax + 0x34]
call dword [eax + 0x30]
add esp, 0x10
test eax, eax
je 0x406134
mov dword [esi], eax
mov dword [esi + 8], ebx
mov ebx, dword [esp]
jmp 0x405e8f
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, 0x2e
mov edi, edx
or edx, 0x2e
imul edx, eax
xor eax, 0x2e
and edi, 0xffffffd1
imul edi, eax
add edx, edi
lea eax, [esp + 6]
push edx
push eax
push ecx
call fcn.00408340
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 0x405f08
cmp ebp, 1
adc ebp, 0
mov eax, ebp
nop
nop
nop
nop
mov ebp, eax
add eax, eax
cmp ebp, edi
jb 0x405ee0
push ebp
push dword [esi + 0xc]
push dword [esi]
mov eax, dword [esp + 0x70]
push dword [eax + 0x34]
call dword [eax + 0x30]
add esp, 0x10
test eax, eax
je 0x406134
mov dword [esi], eax
mov dword [esi + 8], ebp
movzx ecx, word [esp + 0x74]
mov dword [esi + 4], edi
cmp word [esp + 0x6c], 0
je 0x405f5a
mov eax, dword [esi + 0xc]
imul ebx, eax
add ebx, dword [esi]
mov ecx, eax
not ecx
mov edi, dword [esp + 0x3c]
and ecx, edi
mov edx, edi
not edx
and edx, eax
imul edx, ecx
mov ecx, eax
and ecx, edi
or eax, edi
imul eax, ecx
add eax, edx
push eax
push dword [esp + 0x6c]
push ebx
call fcn.00408340
movzx ecx, word [esp + 0x80]
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 0x405f9d
cmp ebp, 1
adc ebp, 0
mov eax, ebp
nop
nop
nop
mov ebp, eax
add eax, eax
cmp ebp, ebx
jb 0x405f70
push ebp
push dword [esi + 0xc]
push dword [esi]
mov eax, dword [esp + 0x70]
push dword [eax + 0x34]
call dword [eax + 0x30]
add esp, 0x10
test eax, eax
je 0x406134
mov dword [esi], eax
mov dword [esi + 8], ebp
movzx ecx, word [esp + 0x74]
mov dword [esi + 4], ebx
test cx, cx
je 0x405fdf
mov eax, dword [esi + 0xc]
imul edi, eax
add edi, dword [esi]
mov ecx, eax
not ecx
mov ebx, dword [esp + 0x38]
and ecx, ebx
mov edx, ebx
not edx
and edx, eax
imul edx, ecx
mov ecx, eax
and ecx, ebx
or eax, ebx
imul eax, ecx
add eax, edx
push eax
push dword [esp + 0x74]
push edi
call fcn.00408340
add esp, 0xc
mov ebx, dword [esi + 4]
mov ebp, dword [esi + 8]
mov eax, dword [esp + 0xb4]
lea edi, [ebx + eax]
cmp ebp, edi
jae 0x40602f
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 0x406000
push ebp
push dword [esi + 0xc]
push dword [esi]
mov eax, dword [esp + 0x70]
push dword [eax + 0x34]
call dword [eax + 0x30]
add esp, 0x10
test eax, eax
je 0x406134
mov dword [esi], eax
mov dword [esi + 8], ebp
mov eax, dword [esp + 0xb4]
mov dword [esi + 4], edi
test eax, eax
je 0x406071
mov edi, eax
mov eax, dword [esi + 0xc]
imul ebx, eax
add ebx, dword [esi]
mov ecx, eax
not ecx
and ecx, edi
mov edx, edi
not edx
and edx, eax
imul edx, ecx
mov ecx, eax
and ecx, edi
or eax, edi
imul eax, ecx
add eax, edx
push eax
push dword [esp + 0xb4]
push ebx
call fcn.00408340
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 0x406094
push 1
push ebx
push esi
push dword [esp + 0x70]
call fcn.00408190
add esp, 0x10
test eax, eax
je 0x406134
mov dword [esi + 4], ebx
cmp word [esp + 0x7c], 0
je 0x4060d3
mov eax, dword [esi + 0xc]
imul edi, eax
add edi, dword [esi]
mov ecx, eax
not ecx
mov ebx, dword [esp + 0x34]
and ecx, ebx
mov edx, ebx
not edx
and edx, eax
imul edx, ecx
mov ecx, eax
and ecx, ebx
or eax, ebx
imul eax, ecx
add eax, edx
push eax
push dword [esp + 0x7c]
push edi
call fcn.00408340
add esp, 0xc
mov edi, dword [esi + 0x14]
lea ebx, [edi + 1]
cmp dword [esi + 0x18], ebx
jae 0x4060f5
lea eax, [esi + 0x10]
push 1
push ebx
push eax
push dword [esp + 0x70]
call fcn.00408190
add esp, 0x10
test eax, eax
je 0x406134
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, 1
neg edx
and ecx, 1
mov esi, eax
and esi, 0xfffffffe
imul esi, ecx
or eax, 1
and eax, edx
add eax, esi
lea ecx, [esp + 0x4c]
push eax
push ecx
push edi
call fcn.00408340
add esp, 0xc
mov eax, 1
jmp 0x406164
mov ebx, dword [esp]
cmp dword [esi + 8], ebx
mov edi, dword [esp + 0x64]
jae 0x406158
push ebx
push dword [esi + 0xc]
push dword [esi]
push dword [edi + 0x34]
call dword [edi + 0x30]
add esp, 0x10
test eax, eax
je 0x40615b
mov dword [esi], eax
mov dword [esi + 8], ebx
mov dword [esi + 4], ebx
mov dword [edi + 0x1c], 0x10
xor eax, eax
add esp, 0x50
pop esi
pop edi
pop ebx
pop ebp
ret