Function at 0x57f964
Capabilities:
Encode data using xor
Encrypt data using rc4 ksa

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffff9c
push ebx
push esi
push edi
mov dword [ebp - 0xc], ecx
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0x10]
push eax
lea eax, [ebp - 0x64]
push eax
mov ecx, dword [ebp + 0x14]
mov edx, dword [ebp - 0xc]
mov eax, dword [ebp - 8]
call fcn.0057b014
mov eax, dword [ebp - 4]
cmp byte [eax + 0xc0], 0
jne 0x580054
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x60]
mov edx, dword [ebp - 4]
sub eax, dword [edx + 0x58]
je 0x580064
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x64]
mov edx, dword [ebp - 4]
sub eax, dword [edx + 0x5c]
je 0x580064
mov eax, dword [ebp + 0x14]
sub eax, dword [ebp - 8]
mov dword [ebp - 0x2c], eax
mov eax, dword [ebp + 0x10]
sub eax, dword [ebp - 0xc]
mov dword [ebp - 0x30], eax
mov eax, dword [ebp - 0x2c]
cdq
xor eax, edx
sub eax, edx
mov ecx, eax
mov eax, dword [ebp - 0x30]
cdq
xor eax, edx
sub eax, edx
cmp ecx, eax
jne 0x57fa0c
mov eax, dword [ebp + 0x14]
push eax
mov eax, dword [ebp + 0x10]
push eax
mov eax, dword [ebp + 0xc]
push eax
movzx eax, byte [ebp + 8]
push eax
mov ecx, dword [ebp - 0xc]
mov edx, dword [ebp - 8]
mov eax, dword [ebp - 4]
call fcn.0057e86c
jmp 0x580064
cmp dword [ebp - 0x2c], 0
jne 0x57fa6f
cmp dword [ebp - 0x30], 0
jle 0x57fa31
mov eax, dword [ebp + 0x10]
dec eax
push eax
mov eax, dword [ebp + 0xc]
push eax
mov ecx, dword [ebp - 0xc]
mov edx, dword [ebp - 8]
mov eax, dword [ebp - 4]
call fcn.0057da78
jmp 0x57fa4e
cmp dword [ebp - 0x30], 0
jge 0x57fa4e
mov eax, dword [ebp - 0xc]
push eax
mov eax, dword [ebp + 0xc]
push eax
mov ecx, dword [ebp + 0x10]
inc ecx
mov edx, dword [ebp - 8]
mov eax, dword [ebp - 4]
call fcn.0057da78
cmp byte [ebp + 8], 0
je 0x580064
mov eax, dword [ebp + 0xc]
push eax
mov ecx, dword [ebp + 0x10]
mov edx, dword [ebp + 0x14]
mov eax, dword [ebp - 4]
call fcn.0057c71c
jmp 0x580064
cmp dword [ebp - 0x30], 0
jne 0x57fad2
cmp dword [ebp - 0x2c], 0
jle 0x57fa94
mov eax, dword [ebp + 0x14]
dec eax
push eax
mov eax, dword [ebp + 0xc]
push eax
mov ecx, dword [ebp - 0xc]
mov edx, dword [ebp - 8]
mov eax, dword [ebp - 4]
call fcn.0057d3b4
jmp 0x57fab1
cmp dword [ebp - 0x2c], 0
jge 0x57fab1
mov eax, dword [ebp - 8]
push eax
mov eax, dword [ebp + 0xc]
push eax
mov edx, dword [ebp + 0x14]
inc edx
mov ecx, dword [ebp - 0xc]
mov eax, dword [ebp - 4]
call fcn.0057d3b4
cmp byte [ebp + 8], 0
je 0x580064
mov eax, dword [ebp + 0xc]
push eax
mov ecx, dword [ebp + 0x10]
mov edx, dword [ebp + 0x14]
mov eax, dword [ebp - 4]
call fcn.0057c71c
jmp 0x580064
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x58]
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x60]
dec eax
mov dword [ebp - 0x14], eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x5c]
mov dword [ebp - 0x18], eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x64]
dec eax
mov dword [ebp - 0x1c], eax
cmp dword [ebp - 0x2c], 0
jle 0x57fb1f
mov eax, dword [ebp - 8]
cmp eax, dword [ebp - 0x14]
jg 0x580064
mov eax, dword [ebp + 0x14]
cmp eax, dword [ebp - 0x10]
jl 0x580064
mov dword [ebp - 0x24], 1
jmp 0x57fb58
mov eax, dword [ebp + 0x14]
cmp eax, dword [ebp - 0x14]
jg 0x580064
mov eax, dword [ebp - 8]
cmp eax, dword [ebp - 0x10]
jl 0x580064
mov dword [ebp - 0x24], 0xffffffff
neg dword [ebp - 8]
neg dword [ebp + 0x14]
neg dword [ebp - 0x2c]
neg dword [ebp - 0x10]
neg dword [ebp - 0x14]
lea edx, [ebp - 0x14]
lea eax, [ebp - 0x10]
call fcn.005747d4
cmp dword [ebp - 0x30], 0
jle 0x57fb7f
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp - 0x1c]
jg 0x580064
mov eax, dword [ebp + 0x10]
cmp eax, dword [ebp - 0x18]
jl 0x580064
mov dword [ebp - 0x28], 1
jmp 0x57fbb8
mov eax, dword [ebp + 0x10]
cmp eax, dword [ebp - 0x1c]
jg 0x580064
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp - 0x18]
jl 0x580064
mov dword [ebp - 0x28], 0xffffffff
neg dword [ebp - 0xc]
neg dword [ebp + 0x10]
neg dword [ebp - 0x30]
neg dword [ebp - 0x18]
neg dword [ebp - 0x1c]
lea edx, [ebp - 0x1c]
lea eax, [ebp - 0x18]
call fcn.005747d4
mov eax, dword [ebp - 0x2c]
cmp eax, dword [ebp - 0x30]
jge 0x57fc16
lea edx, [ebp - 0xc]
lea eax, [ebp - 8]
call fcn.005747d4
lea edx, [ebp + 0x10]
lea eax, [ebp + 0x14]
call fcn.005747d4
lea edx, [ebp - 0x30]
lea eax, [ebp - 0x2c]
call fcn.005747d4
lea edx, [ebp - 0x18]
lea eax, [ebp - 0x10]
call fcn.005747d4
lea edx, [ebp - 0x1c]
lea eax, [ebp - 0x14]
call fcn.005747d4
lea edx, [ebp - 0x28]
lea eax, [ebp - 0x24]
call fcn.005747d4
lea eax, [ebp - 0x38]
mov dword [ebp - 0x44], eax
lea eax, [ebp - 0x34]
mov dword [ebp - 0x48], eax
mov eax, dword [ebp - 0x28]
mov dword [ebp - 0x20], eax
jmp 0x57fc2e
lea eax, [ebp - 0x34]
mov dword [ebp - 0x44], eax
lea eax, [ebp - 0x38]
mov dword [ebp - 0x48], eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x44]
imul dword [ebp - 0x28]
mov dword [ebp - 0x20], eax
xor eax, eax
mov dword [ebp - 0x3c], eax
mov eax, dword [ebp - 0x30]
shl eax, 0x10
cdq
idiv dword [ebp - 0x2c]
mov word [ebp - 0x4c], ax
mov word [ebp - 0x4a], 0
mov eax, dword [ebp - 8]
mov dword [ebp - 0x34], eax
mov eax, dword [ebp - 0xc]
mov dword [ebp - 0x38], eax
mov byte [ebp - 0x3d], 1
mov byte [ebp - 0x3e], 0
mov eax, dword [ebp - 4]
movzx eax, byte [eax + 0x8a]
mov edx, dword [0x5e1c58]
mov eax, dword [edx + eax*4]
mov eax, dword [eax]
mov dword [ebp - 0x54], eax
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp - 0x18]
jge 0x57fe07
mov eax, dword [ebp - 0x18]
sub eax, dword [ebp - 0xc]
mov edi, eax
shl edi, 0x10
mov eax, edi
sub eax, 0x10000
mov dword [ebp - 0x3c], eax
movzx ebx, word [ebp - 0x4c]
mov eax, edi
cdq
idiv ebx
test edx, edx
jle 0x57fcab
mov eax, edi
cdq
idiv ebx
inc eax
mov edi, eax
jmp 0x57fcb2
mov eax, edi
cdq
idiv ebx
mov edi, eax
mov edx, dword [ebp + 0x14]
inc edx
mov eax, dword [ebp - 0x34]
add eax, edi
call fcn.00521484
mov dword [ebp - 0x34], eax
mov eax, edi
imul word [ebp - 0x4c]
mov word [ebp - 0x4a], ax
mov eax, dword [ebp - 0x3c]
cdq
idiv ebx
test edx, edx
jle 0x57fce3
mov eax, dword [ebp - 0x3c]
cdq
idiv ebx
inc eax
mov dword [ebp - 0x3c], eax
jmp 0x57fcec
mov eax, dword [ebp - 0x3c]
cdq
idiv ebx
mov dword [ebp - 0x3c], eax
sub edi, dword [ebp - 0x3c]
mov eax, dword [ebp - 0x34]
cmp eax, dword [ebp - 0x14]
jle 0x57fd09
mov eax, dword [ebp - 0x14]
add eax, edi
cmp eax, dword [ebp - 0x34]
jl 0x580064
mov byte [ebp - 0x3e], 1
mov eax, dword [ebp - 0x34]
cmp eax, dword [ebp - 0x10]
setge al
or al, byte [ebp - 0x3e]
je 0x57fe07
mov eax, dword [ebp - 0x18]
mov dword [ebp - 0x38], eax
mov eax, dword [ebp - 0x34]
mov dword [ebp - 0x3c], eax
movzx esi, word [ebp - 0x4a]
sub si, word [ebp - 0x4c]
mov eax, dword [ebp - 0x34]
sub eax, edi
mov ecx, dword [ebp - 0x14]
mov edx, dword [ebp - 0x10]
call fcn.0057482c
mov ebx, eax
cmp byte [ebp - 0x3e], 0
je 0x57fd5e
movzx eax, word [ebp - 0x34]
sub ax, word [ebp - 0x14]
dec eax
imul word [ebp - 0x4c]
sub si, ax
mov eax, dword [ebp - 0x14]
inc eax
mov dword [ebp - 0x34], eax
cmp dword [ebp - 0x28], 0xffffffff
jne 0x57fd67
neg dword [ebp - 0x38]
cmp dword [ebp - 0x24], 0xffffffff
jne 0x57fd72
neg dword [ebp - 0x34]
neg ebx
xor eax, eax
push ebp
push 0x57f3da
push dword fs:[eax]
mov dword fs:[eax], esp
cmp ebx, dword [ebp - 0x34]
je 0x57fdc2
mov eax, dword [ebp - 0x24]
neg eax
add dword [ebp - 0x34], eax
mov eax, dword [ebp - 0x48]
mov eax, dword [eax]
mov edx, dword [ebp - 4]
imul dword [edx + 0x44]
mov edx, dword [ebp - 0x44]
add eax, dword [edx]
mov edx, dword [ebp - 4]
mov edx, dword [edx + 0x54]
lea edx, [edx + eax*4]
movzx eax, si
shr eax, 8
movzx ecx, byte [eax + 0x60f3d4]
mov eax, dword [ebp + 0xc]
call dword [ebp - 0x54]
sub si, word [ebp - 0x4c]
cmp ebx, dword [ebp - 0x34]
jne 0x57fd85
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x57f3e1
mov ebx, dword [0x5e1c68]
mov ebx, dword [ebx]
call ebx
ret
cmp byte [ebp - 0x3d], 0
je 0x57fe55
mov eax, dword [ebp - 8]
cmp eax, dword [ebp - 0x10]
jge 0x57fe55
mov edi, dword [ebp - 0x10]
sub edi, dword [ebp - 8]
movzx eax, word [ebp - 0x4c]
imul edi, eax
mov eax, edi
test eax, eax
jns 0x57fe2d
add eax, entry3
sar eax, 0x10
add dword [ebp - 0x38], eax
mov word [ebp - 0x4a], di
mov eax, dword [ebp - 0x10]
mov dword [ebp - 0x34], eax
mov eax, dword [ebp - 0x38]
cmp eax, dword [ebp - 0x1c]
jg 0x580064
mov eax, dword [ebp - 0x38]
cmp eax, dword [ebp - 0x1c]
jne 0x57fe55
mov byte [ebp - 0x3e], 1
mov ebx, dword [ebp + 0x14]
xor eax, eax
mov byte [ebp - 0x3d], 0
mov edx, dword [ebp + 0x10]
cmp edx, dword [ebp - 0x1c]
jle 0x57fed0
mov eax, dword [ebp - 0x1c]
sub eax, dword [ebp - 0xc]
mov edi, eax
shl edi, 0x10
movzx ecx, word [ebp - 0x4c]
mov eax, edi
cdq
idiv ecx
mov ebx, eax
add ebx, dword [ebp - 8]
mov eax, edi
cdq
idiv ecx
test edx, edx
jg 0x57fe89
dec ebx
cmp ebx, dword [ebp - 0x14]
jge 0x57fece
add edi, 0x10000
mov dword [ebp - 0x3c], edi
mov eax, dword [ebp - 0x3c]
cdq
idiv ecx
test edx, edx
jle 0x57feb0
mov eax, dword [ebp - 0x3c]
cdq
idiv ecx
add eax, dword [ebp - 8]
inc eax
mov dword [ebp - 0x3c], eax
jmp 0x57febc
mov eax, dword [ebp - 0x3c]
cdq
idiv ecx
add eax, dword [ebp - 8]
mov dword [ebp - 0x3c], eax
mov eax, dword [ebp - 0x3c]
cmp eax, dword [ebp - 0x14]
jle 0x57feca
mov eax, dword [ebp - 0x14]
mov dword [ebp - 0x3c], eax
mov byte [ebp - 0x3d], 1
mov al, 1
cmp ebx, dword [ebp - 0x14]
jle 0x57feda
mov ebx, dword [ebp - 0x14]
mov al, 1
inc ebx
cmp dword [ebp - 0x28], 0xffffffff
jne 0x57fee4
neg dword [ebp - 0x38]
cmp dword [ebp - 0x24], 0xffffffff
jne 0x57fef2
neg dword [ebp - 0x34]
neg ebx
neg dword [ebp - 0x3c]
cmp byte [ebp - 0x3e], 0
jne 0x57ffd1
xor edx, edx
push ebp
push 0x57f5ca
push dword fs:[edx]
mov dword fs:[edx], esp
or al, byte [ebp + 8]
jne 0x57ff23
cmp byte [ebp - 0x3d], 0
jne 0x57ff23
cmp ebx, dword [ebp - 0x34]
jle 0x57ff1d
dec ebx
jmp 0x57ff23
cmp ebx, dword [ebp - 0x34]
jge 0x57ff23
inc ebx
cmp ebx, dword [ebp - 0x34]
je 0x57ffb2
movzx eax, word [ebp - 0x4a]
shr eax, 8
mov byte [ebp - 0x4f], al
mov eax, dword [ebp - 0x48]
mov eax, dword [eax]
mov edx, dword [ebp - 4]
imul dword [edx + 0x44]
mov edx, dword [ebp - 0x44]
add eax, dword [edx]
mov edx, dword [ebp - 4]
mov edx, dword [edx + 0x54]
lea esi, [edx + eax*4]
movzx eax, byte [ebp - 0x4f]
xor al, 0xff
movzx eax, al
movzx ecx, byte [eax + 0x60f3d4]
mov edx, esi
mov eax, dword [ebp + 0xc]
call dword [ebp - 0x54]
mov eax, dword [ebp - 0x20]
add eax, eax
add eax, eax
add esi, eax
movzx eax, byte [ebp - 0x4f]
movzx ecx, byte [eax + 0x60f3d4]
mov edx, esi
mov eax, dword [ebp + 0xc]
call dword [ebp - 0x54]
movzx eax, word [ebp - 0x4a]
mov word [ebp - 0x4e], ax
movzx eax, word [ebp - 0x4c]
add word [ebp - 0x4a], ax
movzx eax, word [ebp - 0x4a]
cmp ax, word [ebp - 0x4e]
ja 0x57ffa3
mov eax, dword [ebp - 0x28]
add dword [ebp - 0x38], eax
mov eax, dword [ebp - 0x24]
add dword [ebp - 0x34], eax
cmp ebx, dword [ebp - 0x34]
jne 0x57ff2c
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x57f5d1
mov ebx, dword [0x5e1c68]
mov ebx, dword [ebx]
call ebx
ret
cmp byte [ebp - 0x3d], 0
je 0x580054
xor eax, eax
push ebp
push 0x57f64d
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp - 0x34]
cmp eax, dword [ebp - 0x3c]
je 0x580035
mov eax, dword [ebp - 0x48]
mov eax, dword [eax]
mov edx, dword [ebp - 4]
imul dword [edx + 0x44]
mov edx, dword [ebp - 0x44]
add eax, dword [edx]
mov edx, dword [ebp - 4]
mov edx, dword [edx + 0x54]
lea edx, [edx + eax*4]
movzx eax, word [ebp - 0x4a]
shr eax, 8
xor eax, 0xff
movzx ecx, byte [eax + 0x60f3d4]
mov eax, dword [ebp + 0xc]
call dword [ebp - 0x54]
movzx eax, word [ebp - 0x4c]
add word [ebp - 0x4a], ax
mov eax, dword [ebp - 0x24]
add dword [ebp - 0x34], eax
mov eax, dword [ebp - 0x34]
cmp eax, dword [ebp - 0x3c]
jne 0x57ffed
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x57f654
mov ebx, dword [0x5e1c68]
mov ebx, dword [ebx]
call ebx
ret
lea edx, [ebp - 0x64]
mov ecx, 0x40000002
mov eax, dword [ebp - 4]
mov ebx, dword [eax]
call dword [ebx + 0x64]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10