Function at 0x5b76b0
Capabilities:
Encode data using xor

Disassembly:
push ebp
push ebx
push esi
push edi
mov ecx, dword [esp + 0x1c]
cmp ecx, 0
je 0x5b786d
call 0x5b76c6
pop ebp
lea eax, [0x64b794]
cmp dword [esp + 0x28], 0
lea ebp, [ebp - 0x2346]
jne 0x5b76e0
lea ebp, [ebp + 0x1680]
pushfd
cld
cmp ecx, 0x200
jb 0x5b79c0
test ecx, 0xf
jne 0x5b79c0
bt dword [eax], 0x1c
jb 0x5b79c0
lea esi, [esp - 0x144]
and esi, 0xffffffc0
mov eax, ebp
lea ebx, [ebp + 0x900]
mov edx, esi
and eax, 0xfff
and ebx, 0xfff
and edx, 0xfff
cmp edx, ebx
jb 0x5b7734
sub edx, ebx
sub esi, edx
jmp 0x5b7744
sub edx, eax
and edx, 0xfff
add edx, 0x180
sub esi, edx
lea edx, [esp + 0x18]
xchg esi, esp
add esp, 4
mov dword [esp + 0x18], ebp
mov dword [esp + 0x1c], esi
mov eax, dword [edx]
mov ebx, dword [edx + 4]
mov edi, dword [edx + 0xc]
mov esi, dword [edx + 0x10]
mov edx, dword [edx + 0x14]
mov dword [esp + 0x20], eax
mov dword [esp + 0x24], ebx
mov dword [esp + 0x28], ecx
mov dword [esp + 0x2c], edi
mov dword [esp + 0x30], esi
mov dword [esp + 0x13c], 0
mov ebx, edi
mov ecx, 0x3d
sub ebx, ebp
mov esi, edi
and ebx, 0xfff
lea edi, [esp + 0x4c]
cmp ebx, 0x900
jb 0x5b77a8
cmp ebx, 0xf0c
jb 0x5b77b0
nop
mov dword [esp + 0x2c], edi
mov esi, esi
rep movsd dword es:[edi], dword [esi]
mov edi, 0x10
lea ecx, [ecx]
mov eax, dword [ebp]
mov ebx, dword [ebp + 0x20]
mov ecx, dword [ebp + 0x40]
mov esi, dword [ebp + 0x60]
lea ebp, [ebp + 0x80]
sub edi, 1
jne 0x5b77b8
sub ebp, 0x800
mov esi, dword [esp + 0x20]
mov edi, dword [esp + 0x30]
cmp edx, 0
je 0x5b7880
mov eax, dword [edi]
mov ebx, dword [edi + 4]
add eax, 0
mov ecx, dword [edi + 8]
mov edx, dword [edi + 0xc]
xor eax, dword [esi]
xor ebx, dword [esi + 4]
xor ecx, dword [esi + 8]
xor edx, dword [esi + 0xc]
mov edi, dword [esp + 0x2c]
call fcn.005b5120
mov esi, dword [esp + 0x20]
mov edi, dword [esp + 0x24]
mov dword [edi], eax
mov dword [edi + 4], ebx
mov dword [edi + 8], ecx
mov dword [edi + 0xc], edx
lea esi, [esi + 0x10]
mov ecx, dword [esp + 0x28]
mov dword [esp + 0x20], esi
lea edx, [edi + 0x10]
mov dword [esp + 0x24], edx
sub ecx, 0x10
mov dword [esp + 0x28], ecx
jne 0x5b77f0
mov esi, dword [esp + 0x30]
mov ecx, dword [edi + 8]
mov edx, dword [edi + 0xc]
mov dword [esi], eax
mov dword [esi + 4], ebx
mov dword [esi + 8], ecx
mov dword [esi + 0xc], edx
cmp dword [esp + 0x13c], 0
mov edi, dword [esp + 0x2c]
je 0x5b7868
mov ecx, 0x3c
xor eax, eax
mov edi, edi
mov esi, esi
rep stosd dword es:[edi], eax
mov esp, dword [esp + 0x1c]
popfd
pop edi
pop esi
pop ebx
pop ebp
ret
cmp esi, dword [esp + 0x24]
je 0x5b7910
mov dword [esp + 0x34], edi
mov edi, edi
mov eax, dword [esi]
mov ebx, dword [esi + 4]
mov ecx, dword [esi + 8]
mov edx, dword [esi + 0xc]
mov edi, dword [esp + 0x2c]
call fcn.005b67c0
mov edi, dword [esp + 0x34]
mov esi, dword [esp + 0x28]
xor eax, dword [edi]
xor ebx, dword [edi + 4]
xor ecx, dword [edi + 8]
xor edx, dword [edi + 0xc]
mov edi, dword [esp + 0x24]
mov esi, dword [esp + 0x20]
mov dword [edi], eax
mov dword [edi + 4], ebx
mov dword [edi + 8], ecx
mov dword [edi + 0xc], edx
mov ecx, dword [esp + 0x28]
mov dword [esp + 0x34], esi
lea esi, [esi + 0x10]
mov dword [esp + 0x20], esi
lea edi, [edi + 0x10]
mov dword [esp + 0x24], edi
sub ecx, 0x10
mov dword [esp + 0x28], ecx
jne 0x5b7890
mov edi, dword [esp + 0x34]
mov esi, dword [esp + 0x30]
mov eax, dword [edi]
mov ebx, dword [edi + 4]
mov ecx, dword [edi + 8]
mov edx, dword [edi + 0xc]
mov dword [esi], eax
mov dword [esi + 4], ebx
mov dword [esi + 8], ecx
mov dword [esi + 0xc], edx
jmp 0x5b798c
mov eax, dword [esi]
mov ebx, dword [esi + 4]
mov ecx, dword [esi + 8]
mov edx, dword [esi + 0xc]
lea edi, [esp + 0x3c]
mov dword [edi], eax
mov dword [edi + 4], ebx
mov dword [edi + 8], ecx
mov dword [edi + 0xc], edx
mov edi, dword [esp + 0x2c]
call fcn.005b67c0
mov edi, dword [esp + 0x30]
mov esi, dword [esp + 0x24]
xor eax, dword [edi]
xor ebx, dword [edi + 4]
xor ecx, dword [edi + 8]
xor edx, dword [edi + 0xc]
mov dword [esi], eax
mov dword [esi + 4], ebx
mov dword [esi + 8], ecx
mov dword [esi + 0xc], edx
lea esi, [esi + 0x10]
mov dword [esp + 0x24], esi
lea esi, [esp + 0x3c]
mov eax, dword [esi]
mov ebx, dword [esi + 4]
mov ecx, dword [esi + 8]
mov edx, dword [esi + 0xc]
mov dword [edi], eax
mov dword [edi + 4], ebx
mov dword [edi + 8], ecx
mov dword [edi + 0xc], edx
mov esi, dword [esp + 0x20]
mov ecx, dword [esp + 0x28]
lea esi, [esi + 0x10]
mov dword [esp + 0x20], esi
sub ecx, 0x10
mov dword [esp + 0x28], ecx
jne 0x5b7910
mov edi, edi
cmp dword [esp + 0x13c], 0
mov edi, dword [esp + 0x2c]
je 0x5b79a8
mov ecx, 0x3c
xor eax, eax
lea ecx, [ecx]
mov esi, esi
rep stosd dword es:[edi], eax
mov esp, dword [esp + 0x1c]
popfd
pop edi
pop esi
pop ebx
pop ebp
ret
mov eax, dword [eax]
mov edi, dword [esp + 0x24]
lea esi, [esp - 0x50]
and esi, 0xffffffc0
lea ebx, [edi - 0x8f]
sub ebx, esi
neg ebx
and ebx, 0x3c0
sub esi, ebx
lea ebx, [esi + 0x300]
sub ebx, ebp
and ebx, 0x300
lea ebp, [ebp + ebx + 0x880]
lea edx, [esp + 0x18]
xchg esi, esp
add esp, 4
mov dword [esp + 0x18], ebp
mov dword [esp + 0x1c], esi
mov dword [esp + 0x34], eax
mov eax, dword [edx]
mov ebx, dword [edx + 4]
mov esi, dword [edx + 0x10]
mov edx, dword [edx + 0x14]
mov dword [esp + 0x20], eax
mov dword [esp + 0x24], ebx
mov dword [esp + 0x28], ecx
mov dword [esp + 0x2c], edi
mov dword [esp + 0x30], esi
mov edi, esi
mov esi, eax
cmp edx, 0
je 0x5b7b90
cmp ecx, 0x10
mov edx, ebx
jb 0x5b7b50
bt dword [esp + 0x34], 0x19
jae 0x5b7ad0
movq mm0, qword [edi]
movq mm4, qword [edi + 8]
lea esp, [esp]
lea ebx, [ebx]
pxor mm0, qword [esi]
pxor mm4, qword [esi + 8]
mov edi, dword [esp + 0x2c]
call fcn.005b4f20
mov esi, dword [esp + 0x20]
mov edi, dword [esp + 0x24]
mov ecx, dword [esp + 0x28]
movq qword [edi], mm0
movq qword [edi + 8], mm4
lea esi, [esi + 0x10]
mov dword [esp + 0x20], esi
lea edx, [edi + 0x10]
mov dword [esp + 0x24], edx
sub ecx, 0x10
cmp ecx, 0x10
mov dword [esp + 0x28], ecx
jae 0x5b7a60
test ecx, 0xf
jne 0x5b7b50
mov esi, dword [esp + 0x30]
movq qword [esi], mm0
movq qword [esi + 8], mm4
emms
mov esp, dword [esp + 0x1c]
popfd
pop edi
pop esi
pop ebx
pop ebp
ret
mov eax, dword [edi]
mov ebx, dword [edi + 4]
lea ecx, [ecx]
mov ecx, dword [edi + 8]
mov edx, dword [edi + 0xc]
xor eax, dword [esi]
xor ebx, dword [esi + 4]
xor ecx, dword [esi + 8]
xor edx, dword [esi + 0xc]
mov edi, dword [esp + 0x2c]
call fcn.005b4bc0
mov esi, dword [esp + 0x20]
mov edi, dword [esp + 0x24]
mov dword [edi], eax
mov dword [edi + 4], ebx
mov dword [edi + 8], ecx
mov dword [edi + 0xc], edx
mov ecx, dword [esp + 0x28]
lea esi, [esi + 0x10]
mov dword [esp + 0x20], esi
lea edx, [edi + 0x10]
mov dword [esp + 0x24], edx
sub ecx, 0x10
cmp ecx, 0x10
mov dword [esp + 0x28], ecx
jae 0x5b7ad8
test ecx, 0xf
jne 0x5b7b50
mov esi, dword [esp + 0x30]
mov ecx, dword [edi + 8]
mov edx, dword [edi + 0xc]
mov dword [esi], eax
mov dword [esi + 4], ebx
mov dword [esi + 8], ecx
mov dword [esi + 0xc], edx
mov esp, dword [esp + 0x1c]
popfd
pop edi
pop esi
pop ebx
pop ebp
ret
emms
mov edi, edx
mov ebx, 0x10
sub ebx, ecx
cmp edi, esi
je 0x5b7b66
nop
mov esi, esi
rep movsb byte es:[edi], byte [esi]
jmp 0x5b7b69
lea edi, [edi + ecx]
mov ecx, ebx
xor eax, eax
lea ecx, [ecx]
mov esi, esi
rep stosb byte es:[edi], al
mov edi, dword [esp + 0x30]
mov esi, edx
mov eax, dword [edi]
mov ebx, dword [edi + 4]
mov dword [esp + 0x28], 0x10
jmp 0x5b7ad8
bt dword [esp + 0x34], 0x19
jae 0x5b7c30
movq mm0, qword [esi]
movq mm4, qword [esi + 8]
mov edi, dword [esp + 0x2c]
call fcn.005b6500
mov esi, dword [esp + 0x20]
lea eax, [esp + 0x3c]
mov ebx, dword [esp + 0x24]
mov ecx, dword [esp + 0x28]
mov edi, dword [esp + 0x30]
movq mm1, qword [esi]
movq mm5, qword [esi + 8]
pxor mm0, qword [edi]
pxor mm4, qword [edi + 8]
movq qword [edi], mm1
movq qword [edi + 8], mm5
sub ecx, 0x10
jb 0x5b7c10
movq qword [ebx], mm0
movq qword [ebx + 8], mm4
lea ebx, [ebx + 0x10]
mov dword [esp + 0x24], ebx
lea esi, [esi + 0x10]
mov dword [esp + 0x20], esi
mov dword [esp + 0x28], ecx
jne 0x5b7b9c
emms
mov esp, dword [esp + 0x1c]
popfd
pop edi
pop esi
pop ebx
pop ebp
ret
movq qword [eax], mm0
movq qword [eax + 8], mm4
emms
add ecx, 0x10
mov edi, ebx
mov esi, eax
mov esi, esi
rep movsb byte es:[edi], byte [esi]
mov esp, dword [esp + 0x1c]
popfd
pop edi
pop esi
pop ebx
pop ebp
ret
mov eax, dword [esi]
mov ebx, dword [esi + 4]
mov ecx, dword [esi + 8]
mov edx, dword [esi + 0xc]
lea edi, [esp + 0x3c]
mov dword [edi], eax
mov dword [edi + 4], ebx
mov dword [edi + 8], ecx
mov dword [edi + 0xc], edx
mov edi, dword [esp + 0x2c]
call fcn.005b6070
mov edi, dword [esp + 0x30]
mov esi, dword [esp + 0x28]
xor eax, dword [edi]
xor ebx, dword [edi + 4]
xor ecx, dword [edi + 8]
xor edx, dword [edi + 0xc]
sub esi, 0x10
jb 0x5b7cc0
mov dword [esp + 0x28], esi
mov esi, dword [esp + 0x24]
mov dword [esi], eax
mov dword [esi + 4], ebx
mov dword [esi + 8], ecx
mov dword [esi + 0xc], edx
lea esi, [esi + 0x10]
mov dword [esp + 0x24], esi
lea esi, [esp + 0x3c]
mov eax, dword [esi]
mov ebx, dword [esi + 4]
mov ecx, dword [esi + 8]
mov edx, dword [esi + 0xc]
mov dword [edi], eax
mov dword [edi + 4], ebx
mov dword [edi + 8], ecx
mov dword [edi + 0xc], edx
mov esi, dword [esp + 0x20]
lea esi, [esi + 0x10]
mov dword [esp + 0x20], esi
jne 0x5b7c30
mov esp, dword [esp + 0x1c]
popfd
pop edi
pop esi
pop ebx
pop ebp
ret
lea esi, [esp + 0x3c]
mov dword [esi], eax
mov dword [esi + 4], ebx
mov dword [esi + 8], ecx
mov dword [esi + 0xc], edx
mov esi, dword [esp + 0x20]
mov eax, dword [esi]
mov ebx, dword [esi + 4]
mov ecx, dword [esi + 8]
mov edx, dword [esi + 0xc]
mov dword [edi], eax
mov dword [edi + 4], ebx
mov dword [edi + 8], ecx
mov dword [edi + 0xc], edx
mov ecx, dword [esp + 0x28]
mov edi, dword [esp + 0x24]
lea esi, [esp + 0x3c]
lea ecx, [ecx]
mov esi, esi
rep movsb byte es:[edi], byte [esi]
mov esp, dword [esp + 0x1c]
popfd
pop edi
pop esi
pop ebx
pop ebp
ret