Function at 0x453240
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
sub esp, 0x24
mov esi, ecx
mov ecx, dword [ebp + 8]
mov eax, dword [0x4e8024]
xor eax, ebp
mov dword [ebp - 0x10], eax
cmp byte [edx + 0xb], 0
mov dword [ebp - 0x28], edx
js 0x453460
mov word [edx], 0
mov byte [edx + 0xb], 0
cmp byte [ecx + 0xb], 0
js 0x453473
mov word [ecx], 0
mov byte [ecx + 0xb], 0
movzx eax, byte [esi + 0xb]
mov dword [ebp - 0x30], esi
mov dword [ebp - 0x2c], eax
test al, al
jns 0x45329a
mov eax, dword [esi]
mov dword [ebp - 0x30], eax
mov eax, dword [esi + 4]
mov dword [ebp - 0x2c], eax
movzx eax, byte [0x4f8d20]
and eax, 1
neg eax
xor ecx, ecx
cmp eax, 0xfffffffd
je 0x453439
xor eax, eax
dec eax
lea edi, [ebp - 0x1c]
mov dword [ebp - 0x1c], eax
mov dword [ebp - 0x18], eax
mov dword [ebp - 0x14], eax
mov ebx, dword [ecx*8 + 0x4d9464]
mov dword [ebp - 0x20], ecx
mov eax, dword [ecx*8 + 0x4d9460]
mov byte [ebp - 0x11], bl
lea ecx, [ebx + ebx]
push ecx
push eax
push edi
call fcn.004722b0
add esp, 0xc
mov word [ebp + ebx*2 - 0x1c], 0
movzx eax, byte [ebp - 0x11]
mov ecx, eax
test al, al
jns 0x4532f6
mov ecx, dword [ebp - 0x18]
xor edx, edx
cmp ecx, dword [ebp - 0x2c]
ja 0x453360
test ecx, ecx
je 0x453442
mov edx, edi
test al, al
jns 0x45330e
mov edx, dword [ebp - 0x1c]
xor edi, edi
mov ebx, esi
mov esi, dword [ebp - 0x30]
movzx esi, word [esi + edi*2]
cmp si, word [edx + edi*2]
jne 0x45335c
inc edi
cmp ecx, edi
mov esi, ebx
jne 0x453310
mov edi, ecx
mov dl, 1
test al, al
mov ecx, dword [ebp - 0x20]
js 0x453449
test dl, dl
jne 0x453365
mov dword [ebp - 0x24], edi
inc ecx
movzx eax, byte [0x4f8d20]
xor eax, 3
cmp ecx, eax
mov eax, 0xffffffff
lea edi, [ebp - 0x1c]
jb 0x4532b7
jmp 0x453439
xor edx, edx
mov esi, ebx
mov edi, dword [ebp - 0x24]
jmp 0x45332a
test edi, edi
je 0x453439
movzx edx, byte [esi + 0xb]
mov ecx, edx
test dl, dl
jns 0x45337a
mov ecx, dword [esi + 4]
cmp edi, ecx
je 0x453439
mov eax, esi
test dl, dl
jns 0x45338a
mov eax, dword [esi]
lea edx, [eax + ecx*2]
mov ebx, edx
test ecx, ecx
jle 0x4533b4
and ecx, 0x7fffffff
mov ebx, eax
nop dword [eax + eax]
cmp word [ebx], 0x3d
je 0x4533b0
add ebx, 2
dec ecx
jne 0x4533a0
mov ebx, edx
jmp 0x4533b4
test ebx, ebx
je 0x4533ac
mov edi, ebx
sub edi, eax
sar edi, 1
cmp ebx, edx
mov eax, 0xffffffff
cmove edi, eax
lea ebx, [esi + 0xc]
lea ecx, [ebp - 0x1c]
push ebx
push edi
push 0
push esi
call fcn.00423a90
mov ecx, dword [ebp - 0x28]
cmp byte [ecx + 0xb], 0
js 0x453486
mov eax, dword [ebp - 0x14]
mov dword [ecx + 8], eax
movsd xmm0, qword [ebp - 0x1c]
movsd qword [ecx], xmm0
mov al, 1
mov dword [ebp - 0x20], eax
cmp edi, 0xffffffff
je 0x453424
inc edi
lea ecx, [ebp - 0x1c]
push ebx
push 0xffffffffffffffff
push edi
push esi
call fcn.00423a90
mov esi, dword [ebp + 8]
cmp byte [esi + 0xb], 0
js 0x453498
mov eax, dword [ebp - 0x14]
mov dword [esi + 8], eax
movsd xmm0, qword [ebp - 0x1c]
movsd qword [esi], xmm0
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.0046f8c3
mov eax, dword [ebp - 0x20]
add esp, 0x24
pop esi
pop edi
pop ebx
pop ebp
ret
mov dword [ebp - 0x20], 0
jmp 0x453424
xor edi, edi
jmp 0x453328
push dword [ebp - 0x1c]
mov ebx, edx
call fcn.0046ecdd
mov edx, ebx
mov ecx, dword [ebp - 0x20]
add esp, 4
jmp 0x453335
mov eax, dword [edx]
mov word [eax], 0
mov dword [edx + 4], 0
jmp 0x45326e
mov eax, dword [ecx]
mov word [eax], 0
mov dword [ecx + 4], 0
jmp 0x453281
push dword [ecx]
call fcn.0046ecdd
mov ecx, dword [ebp - 0x28]
add esp, 4
jmp 0x4533e1
push dword [esi]
call fcn.0046ecdd
add esp, 4
jmp 0x453415