Function at 0x507f64
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x58
mov eax, dword [0x83a534]
xor eax, ebp
mov dword [ebp - 4], eax
mov ecx, dword [ebp + 8]
lea edx, [ebp - 0xc]
push ebx
push esi
push edi
mov eax, dword [ecx]
push 8
push edx
mov dword [ebp - 0x54], ecx
call dword [eax]
push 8
xor ebx, ebx
lea eax, [ebp - 0xc]
push ebx
push eax
call fcn.005ef95c
add esp, 0xc
test eax, eax
je 0x507fa3
xor eax, eax
jmp 0x508453
push ebx
push ebx
push ebx
push 0x775d98
call fcn.005f1373
push eax
mov dword [ebp - 0x10], eax
call fcn.005eee22
push 0x40
push 0x58d5b8
push dword [ebp - 0x10]
mov dword [ebp - 0x14], eax
call fcn.005edaa5
push ebx
push eax
call fcn.0058d5d0
add esp, 0x28
test eax, eax
je 0x507fe0
mov edi, ebx
jmp 0x508440
push 0x508464
push dword [ebp - 0x54]
push dword [ebp - 0x10]
call fcn.005f74aa
push 8
push dword [ebp - 0x10]
call fcn.005ef92a
mov ecx, dword [ebp - 0x10]
add esp, 0x14
cmp byte [ecx + 0x13c], 8
jb 0x50801b
cmp byte [ecx + 0x13b], 3
je 0x50801b
mov eax, dword [ebp - 0x14]
test byte [eax + 8], 0x10
je 0x508025
push ecx
call fcn.005f62f5
pop ecx
mov ecx, dword [ebp - 0x10]
push 1
push 0xff
push ecx
call fcn.005f72d6
push dword [ebp - 0x10]
call fcn.005f7363
push dword [ebp - 0x10]
call fcn.005f63b9
push dword [ebp - 0x10]
call fcn.005f6d64
push dword [ebp - 0x14]
push dword [ebp - 0x10]
call fcn.005f1b71
push dword [ebp - 0x14]
push dword [ebp - 0x10]
call fcn.005f247e
mov eax, dword [ebp - 0x10]
push 0x18
mov ebx, dword [eax + 0xe4]
mov esi, dword [eax + 0xe8]
shl ebx, 2
imul esi, ebx
mov dword [ebp - 0x58], ebx
mov dword [ebp - 0x2c], esi
call fcn.005aaac8
push 0x18
mov edi, eax
push 0
push edi
mov dword [ebp - 0x3c], edi
call fcn.005894f0
mov ecx, dword [ebp - 0x10]
mov ecx, dword [ecx + 0xe4]
mov dword [edi + 8], ecx
mov eax, dword [ebp - 0x10]
mov eax, dword [eax + 0xe8]
mov dword [edi + 0xc], eax
imul eax, ebx
push eax
call fcn.005aaac8
push esi
push 0
push eax
mov dword [ebp - 0x30], eax
call fcn.005894f0
mov ecx, dword [edi + 0xc]
add esp, 0x48
shl ecx, 2
push ecx
call fcn.005aaac8
pop ecx
xor ecx, ecx
mov dword [ebp - 0x48], eax
cmp dword [edi + 0xc], ecx
jle 0x5080e6
mov edx, dword [ebp - 0x30]
mov dword [eax + ecx*4], edx
inc ecx
add edx, ebx
cmp ecx, dword [edi + 0xc]
jl 0x5080db
push 0x10000
push dword [ebp - 0x14]
push dword [ebp - 0x10]
call fcn.005f84f5
add esp, 0xc
test eax, eax
jne 0x508117
push dword [ebp - 0x48]
push dword [ebp - 0x10]
call fcn.005f1ad1
mov eax, dword [ebp - 0x30]
mov dword [edi + 0x10], 1
jmp 0x508424
push dword [ebp - 0x14]
push dword [ebp - 0x10]
call fcn.005f7e6a
mov dword [edi + 0x10], eax
imul eax, esi
push eax
call fcn.005aaac8
push esi
mov dword [ebp - 0x50], eax
call fcn.005aaac8
push esi
push 0
push eax
mov dword [ebp - 0x20], eax
call fcn.005894f0
push dword [ebp - 0x14]
push dword [ebp - 0x10]
call fcn.005f7e86
mov dword [edi + 0x14], eax
mov eax, dword [edi + 0x10]
add eax, eax
push eax
call fcn.005aaac8
and dword [ebp - 0x18], 0
add esp, 0x28
cmp dword [edi + 0x10], 0
mov dword [edi + 4], eax
jle 0x508411
mov eax, dword [ebp - 0x50]
mov edx, dword [ebp - 0x14]
mov dword [ebp - 0x40], eax
sub eax, esi
mov dword [ebp - 0x44], eax
push edx
push dword [ebp - 0x10]
call fcn.005f19d9
push 0x20000
push dword [ebp - 0x14]
push dword [ebp - 0x10]
call fcn.005f84f5
add esp, 0x14
test eax, eax
je 0x5081f5
mov eax, dword [ebp - 0x14]
movzx ecx, word [eax + 0x106]
movzx edx, word [eax + 0x104]
test cx, cx
je 0x5081f7
cmp ecx, 0x64
je 0x5081f7
push 0xa
pop esi
cmp cx, si
jne 0x5081d0
mov eax, dword [edi + 4]
imul ecx, edx, 0xa
mov edx, dword [ebp - 0x18]
mov word [eax + edx*2], cx
jmp 0x508201
mov eax, 0x3e8
cmp cx, ax
mov eax, edx
jne 0x5081ec
xor edx, edx
div esi
mov ecx, dword [edi + 4]
mov edx, dword [ebp - 0x18]
mov word [ecx + edx*2], ax
jmp 0x508201
imul eax, eax, 0x64
xor edx, edx
div ecx
jmp 0x5081e0
xor edx, edx
mov ecx, dword [ebp - 0x18]
mov eax, dword [edi + 4]
mov word [eax + ecx*2], dx
push dword [ebp - 0x48]
push dword [ebp - 0x10]
call fcn.005f1ad1
mov edx, dword [ebp - 0x14]
pop ecx
pop ecx
mov ecx, dword [edx + 0x100]
mov eax, dword [edx + 0xfc]
movzx esi, byte [edx + 0x109]
imul ecx, ebx
add ecx, dword [ebp - 0x20]
sub esi, 0
mov dword [ebp - 0x1c], esi
mov esi, dword [ebp - 0x2c]
lea ecx, [ecx + eax*4]
mov eax, dword [ebp - 0x30]
mov dword [ebp - 0x28], ecx
mov dword [ebp - 0x38], eax
je 0x508326
sub dword [ebp - 0x1c], 1
jne 0x508369
and dword [ebp - 0x1c], 0
cmp dword [edx + 0xf8], 0
jbe 0x508369
mov esi, dword [edx + 0xf4]
mov dword [ebp - 0x34], esi
mov esi, dword [ebp - 0x1c]
and dword [ebp - 0x4c], 0
mov edi, ecx
cmp dword [ebp - 0x34], 0
mov dword [ebp - 0x24], eax
jbe 0x50830a
mov ebx, eax
movzx edx, byte [ebx + 3]
mov esi, 0xff
movzx ecx, byte [ebx]
sub esi, edx
movzx eax, byte [edi]
lea ebx, [ebx + 4]
imul ecx, edx
imul eax, esi
add ecx, eax
sar ecx, 8
mov byte [edi], cl
lea edi, [edi + 4]
movzx ecx, byte [ebx - 3]
movzx eax, byte [edi - 3]
imul ecx, edx
imul eax, esi
add ecx, eax
sar ecx, 8
mov byte [edi - 3], cl
movzx ecx, byte [ebx - 2]
movzx eax, byte [edi - 2]
imul ecx, edx
imul eax, esi
add ecx, eax
sar ecx, 8
mov byte [edi - 2], cl
movzx ecx, byte [ebx - 1]
movzx eax, byte [edi - 1]
imul ecx, edx
imul eax, esi
add ecx, eax
sar ecx, 8
mov byte [edi - 1], cl
mov edx, dword [ebp - 0x14]
mov ecx, dword [ebp - 0x4c]
inc ecx
mov dword [ebp - 0x4c], ecx
mov eax, dword [edx + 0xf4]
mov dword [ebp - 0x34], eax
cmp ecx, eax
jb 0x508281
mov ebx, dword [ebp - 0x58]
mov ecx, dword [ebp - 0x28]
mov eax, dword [ebp - 0x38]
mov esi, dword [ebp - 0x1c]
add ecx, ebx
add eax, ebx
inc esi
mov dword [ebp - 0x28], ecx
mov dword [ebp - 0x38], eax
mov dword [ebp - 0x1c], esi
cmp esi, dword [edx + 0xf8]
jb 0x50826c
jmp 0x508363
and dword [ebp - 0x24], 0
cmp dword [edx + 0xf8], 0
jbe 0x508369
mov esi, dword [ebp - 0x38]
mov edi, dword [ebp - 0x24]
mov eax, dword [edx + 0xf4]
shl eax, 2
push eax
push esi
push ecx
call fcn.00588a60
mov ecx, dword [ebp - 0x28]
add esp, 0xc
mov edx, dword [ebp - 0x14]
add ecx, ebx
add esi, ebx
mov dword [ebp - 0x28], ecx
inc edi
cmp edi, dword [edx + 0xf8]
jb 0x508339
mov esi, dword [ebp - 0x2c]
mov edi, dword [ebp - 0x3c]
push esi
push dword [ebp - 0x20]
push dword [ebp - 0x40]
call fcn.00588a60
mov edx, dword [ebp - 0x14]
add esp, 0xc
mov ecx, dword [edx + 0x100]
mov eax, dword [edx + 0xfc]
imul ecx, ebx
add ecx, dword [ebp - 0x20]
lea eax, [ecx + eax*4]
mov dword [ebp - 0x34], eax
movzx eax, byte [edx + 0x108]
sub eax, 1
je 0x5083bf
sub eax, 1
mov eax, dword [ebp - 0x18]
jne 0x5083fe
test eax, eax
jle 0x5083fe
push esi
push dword [ebp - 0x44]
push dword [ebp - 0x20]
call fcn.00588a60
mov edx, dword [ebp - 0x14]
add esp, 0xc
jmp 0x5083fb
and dword [ebp - 0x24], 0
cmp dword [edx + 0xf8], 0
jbe 0x5083fb
mov edi, dword [ebp - 0x24]
mov esi, dword [ebp - 0x34]
mov eax, dword [edx + 0xf4]
shl eax, 2
push eax
push 0
push esi
call fcn.005894f0
mov edx, dword [ebp - 0x14]
add esp, 0xc
add esi, ebx
inc edi
cmp edi, dword [edx + 0xf8]
jb 0x5083d2
mov edi, dword [ebp - 0x3c]
mov esi, dword [ebp - 0x2c]
mov eax, dword [ebp - 0x18]
add dword [ebp - 0x40], esi
inc eax
add dword [ebp - 0x44], esi
mov dword [ebp - 0x18], eax
cmp eax, dword [edi + 0x10]
jl 0x50817e
push dword [ebp - 0x20]
call fcn.005aa5c3
push dword [ebp - 0x30]
call fcn.005aa5c3
mov eax, dword [ebp - 0x50]
pop ecx
pop ecx
push dword [ebp - 0x48]
mov dword [edi], eax
call fcn.005aa5c3
push dword [ebp - 0x14]
push dword [ebp - 0x10]
call fcn.005f1791
add esp, 0xc
xor ebx, ebx
push ebx
lea eax, [ebp - 0x14]
push eax
lea eax, [ebp - 0x10]
push eax
call fcn.005f1568
add esp, 0xc
mov eax, edi
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004fb313
mov esp, ebp
pop ebp
ret