Function at 0x581960
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x34
call fcn.00600890
mov eax, dword [0x6ddc7c]
xor eax, esp
mov dword [esp + 0x30], eax
cmp dword [esp + 0x3c], 0
mov eax, dword [esp + 0x38]
mov dword [esp + 4], eax
mov dword [esp + 0x10], 0
jne 0x5819a0
mov eax, 1
mov ecx, dword [esp + 0x30]
xor ecx, esp
call fcn.005ff7bd
add esp, 0x34
ret
push ebx
call fcn.00595920
mov ebx, eax
test ebx, ebx
je 0x581cc3
push 0x581e20
push 0x6e9dd4
call fcn.00572220
add esp, 8
neg eax
sbb eax, eax
test dword [0x6e9de0], eax
je 0x581cc3
cmp dword [0x6e9dd8], 0
push ebp
push esi
je 0x581a15
call sub.KERNEL32.dll_GetCurrentThreadId
push dword [0x6e9dd0]
mov esi, eax
call fcn.00572210
push esi
push dword [0x6e9ddc]
call fcn.00572150
push dword [0x6e9dd0]
mov ebp, eax
mov dword [esp + 0x1c], ebp
call fcn.00572290
add esp, 0x10
test ebp, ebp
jne 0x581a2b
jmp 0x581a1d
mov dword [esp + 0xc], 0
push dword [0x6e9dcc]
call fcn.00572210
add esp, 4
mov ecx, dword [esp + 0x48]
mov eax, dword [0x6e9db8]
movups xmm0, xmmword [0x6e9da4]
mov ebp, dword [0x6e9dbc]
push edi
mov edi, dword [0x6e998c]
add ecx, edi
mov dword [esp + 0x24], eax
mov eax, dword [0x6e9db4]
mov dword [esp + 0x28], ebp
mov dword [esp + 0x3c], eax
mov dword [0x6e998c], ecx
movups xmmword [esp + 0x2c], xmm0
cmp ecx, 0x3ff
jb 0x581a9a
mov eax, 0x401005
mov dword [0x6e9988], 0x3ff
mul ecx
mov eax, ecx
sub eax, edx
shr eax, 1
add eax, edx
shr eax, 9
imul eax, eax, 0x3ff
sub ecx, eax
mov dword [0x6e998c], ecx
jmp 0x581ab0
mov eax, dword [0x6e9988]
cmp eax, 0x3ff
jae 0x581ab0
cmp ecx, eax
cmova eax, ecx
mov dword [0x6e9988], eax
mov ecx, dword [esp + 0x4c]
mov eax, 0x66666667
imul ecx
sar edx, 3
mov esi, edx
shr esi, 0x1f
add esi, edx
lea eax, [esi + esi*4]
shl eax, 2
sub ecx, eax
xor eax, eax
test ecx, ecx
setg al
add eax, esi
add ebp, eax
mov dword [0x6e9dbc], ebp
mov ebp, dword [esp + 0x10]
test ebp, ebp
jne 0x581af4
push dword [0x6e9dcc]
call fcn.00572290
add esp, 4
mov eax, dword [esp + 0x4c]
mov dword [esp + 0x18], 0
test eax, eax
jle 0x581c35
mov dword [esp + 0x1c], eax
mov ecx, 0x14
cmp eax, 0x14
mov esi, eax
push 0
cmovg esi, ecx
call fcn.005899b0
push eax
push ebx
call fcn.005955f0
add esp, 0xc
test eax, eax
je 0x581cc0
push 0x14
lea eax, [esp + 0x30]
push eax
push ebx
call fcn.00595790
add esp, 0xc
test eax, eax
je 0x581cc0
lea ebp, [edi - 0x3ff]
add ebp, esi
lea ecx, [edi + 0x6e9990]
test ebp, ebp
jle 0x581b7b
mov eax, esi
sub eax, ebp
push eax
push ecx
push ebx
call fcn.00595790
add esp, 0xc
test eax, eax
je 0x581cc0
push ebp
push 0x6e9990
jmp 0x581b7d
push esi
push ecx
push ebx
call fcn.00595790
add esp, 0xc
test eax, eax
je 0x581cc0
mov ebp, dword [esp + 0x14]
push esi
push ebp
push ebx
call fcn.00595790
add esp, 0xc
test eax, eax
je 0x581cc0
push 8
lea eax, [esp + 0x28]
push eax
push ebx
call fcn.00595790
add esp, 0xc
test eax, eax
je 0x581cc0
push 0
lea eax, [esp + 0x30]
push eax
push ebx
call fcn.00595570
add esp, 0xc
test eax, eax
je 0x581cc0
inc dword [esp + 0x28]
add ebp, esi
xor ecx, ecx
mov dword [esp + 0x14], ebp
test esi, esi
jle 0x581c0c
nop word [eax + eax]
mov al, byte [esp + ecx + 0x2c]
xor byte [edi + 0x6e9990], al
lea eax, [edi + 1]
xor edi, edi
cmp eax, 0x3ff
cmovl edi, eax
inc ecx
cmp ecx, esi
jl 0x581bf0
mov ebp, dword [esp + 0x18]
mov ecx, 0x14
mov eax, dword [esp + 0x1c]
add ebp, 0x14
sub eax, 0x14
mov dword [esp + 0x18], ebp
mov dword [esp + 0x1c], eax
cmp ebp, dword [esp + 0x4c]
jl 0x581b11
mov ebp, dword [esp + 0x10]
test ebp, ebp
jne 0x581c50
push dword [0x6e9dcc]
call fcn.00572210
add esp, 4
nop word [eax + eax]
movups xmm1, xmmword [0x6e9da4]
xor ecx, ecx
mov edx, 4
movups xmm0, xmmword [esp + 0x2c]
pxor xmm1, xmm0
movups xmmword [0x6e9da4], xmm1
nop
mov al, byte [esp + ecx + 0x3c]
lea ecx, [ecx + 1]
xor byte [ecx + 0x6e9db3], al
sub edx, 1
jne 0x581c70
movsd xmm0, qword [0x674168]
movsd xmm1, qword [0x6e9dc0]
comisd xmm0, xmm1
jbe 0x581ca6
addsd xmm1, qword [esp + 0x50]
movsd qword [0x6e9dc0], xmm1
test ebp, ebp
jne 0x581cb8
push dword [0x6e9dcc]
call fcn.00572290
add esp, 4
mov dword [esp + 0x20], 1
pop edi
pop esi
pop ebp
push ebx
call fcn.00595900
mov ecx, dword [esp + 0x38]
add esp, 4
mov eax, dword [esp + 0x14]
pop ebx
xor ecx, esp
call fcn.005ff7bd
add esp, 0x34
ret