Function at 0x519aac
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x58
mov eax, dword [0x5d2640]
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.00555cc1
add esp, 0xc
test eax, eax
je 0x519aeb
xor eax, eax
jmp 0x519f90
push ebx
push ebx
push ebx
push str.1.5.19
call fcn.00556f3b
push eax
mov dword [ebp - 0x10], eax
call fcn.0055538f
push 0x40
push 0x5204f1
push dword [ebp - 0x10]
mov dword [ebp - 0x14], eax
call fcn.00554660
push ebx
push eax
call fcn.00520510
add esp, 0x28
test eax, eax
je 0x519b28
mov edi, ebx
jmp 0x519f7d
push 0x519f9f
push dword [ebp - 0x54]
push dword [ebp - 0x10]
call fcn.0055c057
push 8
push dword [ebp - 0x10]
call fcn.00555c8f
mov ecx, dword [ebp - 0x10]
add esp, 0x14
cmp byte [ecx + 0x13c], 8
jb 0x519b63
cmp byte [ecx + 0x13b], 3
je 0x519b63
mov eax, dword [ebp - 0x14]
test byte [eax + 8], 0x10
je 0x519b6d
push ecx
call fcn.0055ba33
pop ecx
mov ecx, dword [ebp - 0x10]
push 1
push 0xff
push ecx
call fcn.0055bf5a
push dword [ebp - 0x10]
call fcn.0055bfdd
push dword [ebp - 0x10]
call fcn.0055ba61
push dword [ebp - 0x10]
call fcn.0055ba81
push dword [ebp - 0x14]
push dword [ebp - 0x10]
call fcn.0055773e
push dword [ebp - 0x14]
push dword [ebp - 0x10]
call fcn.00557dee
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.00533222
push 0x18
mov edi, eax
push 0
push edi
mov dword [ebp - 0x3c], edi
call fcn.0051e6d0
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.00533222
push esi
push 0
push eax
mov dword [ebp - 0x30], eax
call fcn.0051e6d0
mov ecx, dword [edi + 0xc]
add esp, 0x48
shl ecx, 2
push ecx
call fcn.00533222
pop ecx
xor ecx, ecx
mov dword [ebp - 0x48], eax
cmp dword [edi + 0xc], ecx
jle 0x519c2e
mov edx, dword [ebp - 0x30]
mov dword [eax + ecx*4], edx
inc ecx
add edx, ebx
cmp ecx, dword [edi + 0xc]
jl 0x519c23
push 0x10000
push dword [ebp - 0x14]
push dword [ebp - 0x10]
call fcn.0055c0d1
add esp, 0xc
test eax, eax
jne 0x519c5f
push dword [ebp - 0x48]
push dword [ebp - 0x10]
call fcn.005576a0
mov eax, dword [ebp - 0x30]
mov dword [edi + 0x10], 1
jmp 0x519f61
push dword [ebp - 0x14]
push dword [ebp - 0x10]
call fcn.0055c099
mov dword [edi + 0x10], eax
imul eax, esi
push eax
call fcn.00533222
push esi
mov dword [ebp - 0x50], eax
call fcn.00533222
push esi
push 0
push eax
mov dword [ebp - 0x20], eax
call fcn.0051e6d0
push dword [ebp - 0x14]
push dword [ebp - 0x10]
call fcn.0055c0b5
mov dword [edi + 0x14], eax
mov eax, dword [edi + 0x10]
add eax, eax
push eax
call fcn.00533222
and dword [ebp - 0x18], 0
add esp, 0x28
cmp dword [edi + 0x10], 0
mov dword [edi + 4], eax
jle 0x519f4e
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.005575a8
push 0x20000
push dword [ebp - 0x14]
push dword [ebp - 0x10]
call fcn.0055c0d1
add esp, 0x14
test eax, eax
je 0x519d32
mov eax, dword [ebp - 0x14]
movzx ecx, word [eax + 0x106]
movzx edx, word [eax + 0x104]
test cx, cx
je 0x519d34
cmp ecx, 0x64
je 0x519d34
mov esi, dword [edi + 4]
push 0xa
pop eax
cmp cx, ax
jne 0x519d11
imul eax, edx, 0xa
jmp 0x519d24
mov eax, edx
mov edx, 0x3e8
cmp cx, dx
jne 0x519d2d
push 0xa
pop ecx
xor edx, edx
div ecx
mov ecx, dword [ebp - 0x18]
mov word [esi + ecx*2], ax
jmp 0x519d3e
imul eax, eax, 0x64
jmp 0x519d20
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.005576a0
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 0x519e63
sub dword [ebp - 0x1c], 1
jne 0x519ea6
and dword [ebp - 0x1c], 0
cmp dword [edx + 0xf8], 0
jbe 0x519ea6
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 0x519e47
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
movzx eax, byte [edi - 2]
sar ecx, 8
mov byte [edi - 3], cl
movzx ecx, byte [ebx - 2]
imul ecx, edx
imul eax, esi
add ecx, eax
movzx eax, byte [edi - 1]
sar ecx, 8
mov byte [edi - 2], cl
movzx ecx, byte [ebx - 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 0x519dbe
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 0x519da9
jmp 0x519ea0
and dword [ebp - 0x24], 0
cmp dword [edx + 0xf8], 0
jbe 0x519ea6
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.0051e150
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 0x519e76
mov esi, dword [ebp - 0x2c]
mov edi, dword [ebp - 0x3c]
push esi
push dword [ebp - 0x20]
push dword [ebp - 0x40]
call fcn.0051e150
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 0x519efc
sub eax, 1
mov eax, dword [ebp - 0x18]
jne 0x519f3b
test eax, eax
je 0x519f3b
push esi
push dword [ebp - 0x44]
push dword [ebp - 0x20]
call fcn.0051e150
mov edx, dword [ebp - 0x14]
add esp, 0xc
jmp 0x519f38
and dword [ebp - 0x24], 0
cmp dword [edx + 0xf8], 0
jbe 0x519f38
mov esi, dword [ebp - 0x24]
mov edi, dword [ebp - 0x34]
mov eax, dword [edx + 0xf4]
shl eax, 2
push eax
push 0
push edi
call fcn.0051e6d0
mov edx, dword [ebp - 0x14]
add esp, 0xc
add edi, ebx
inc esi
cmp esi, dword [edx + 0xf8]
jb 0x519f0f
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 0x519cc6
push dword [ebp - 0x20]
call fcn.005221d0
push dword [ebp - 0x30]
call fcn.005221d0
mov eax, dword [ebp - 0x50]
pop ecx
pop ecx
push dword [ebp - 0x48]
mov dword [edi], eax
call fcn.005221d0
push dword [ebp - 0x14]
push dword [ebp - 0x10]
call fcn.00557360
add esp, 0xc
xor ebx, ebx
push ebx
lea eax, [ebp - 0x14]
push eax
lea eax, [ebp - 0x10]
push eax
call fcn.0055712e
add esp, 0xc
mov eax, edi
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0050f496
leave
ret