Function at 0x581a50
Capabilities:
Encode data using xor
Resolve function by parsing pe exports

Disassembly:
mov eax, 0x64
call fcn.00450fe0
mov eax, dword [0x67a374]
xor eax, esp
mov dword [esp + 0x60], eax
mov eax, dword [esp + 0x68]
push ebp
mov ebp, dword [esp + 0x78]
push esi
mov esi, dword [esp + 0x74]
push edi
mov edi, dword [esp + 0x7c]
push ebp
mov dword [esp + 0x54], eax
mov dword [esp + 0x48], edi
mov dword [esp + 0x4c], ebp
mov dword [esp + 0x50], 0
call fcn.00509250
push ebp
call fcn.005090c0
mov ebp, eax
add esp, 8
mov dword [esp + 0x34], ebp
test ebp, ebp
je 0x581f77
push ebx
mov ebx, dword [esp + 0x4c]
push ebx
call fcn.005090c0
mov edx, eax
add esp, 4
mov dword [esp + 0x24], edx
test edx, edx
je 0x581f76
push ebx
call fcn.005090c0
add esp, 4
mov dword [esp + 0x30], eax
test eax, eax
je 0x581f76
push ebx
call fcn.005090c0
mov ebx, eax
add esp, 4
mov dword [esp + 0x34], ebx
test ebx, ebx
je 0x581f76
push 6
lea eax, [esp + 0x5c]
push eax
push edi
call fcn.00582880
add esp, 0xc
test eax, eax
je 0x581f5b
cmp eax, 6
jg 0x581f5b
lea eax, [esp + 0x58]
push eax
push esi
mov esi, dword [esp + 0x38]
push esi
call fcn.00581600
add esp, 0xc
test eax, eax
je 0x581f76
cmp dword [esi + 4], 0
je 0x581f76
push edi
push ebx
call fcn.004e9610
add esp, 8
test eax, eax
je 0x581f76
push esi
call fcn.004e9980
mov edx, dword [esp + 0x38]
mov ebx, eax
push edx
mov dword [esp + 0x20], ebx
call fcn.004e9980
mov edi, dword [edi + 4]
add esp, 8
mov dword [esp + 0x44], eax
mov dword [esp + 0x14], edi
cmp edi, dword [esi + 8]
jg 0x581b76
mov eax, esi
jmp 0x581b80
push edi
push esi
call fcn.004e9f00
add esp, 8
test eax, eax
je 0x581f76
mov edx, dword [esp + 0x30]
mov esi, dword [esi]
mov dword [esp + 0x40], esi
mov eax, dword [edx + 4]
cmp eax, edi
jge 0x581baa
mov ecx, dword [esp + 0x14]
lea edi, [esi + eax*4]
sub ecx, eax
xor eax, eax
rep stosd dword es:[edi], eax
mov edi, dword [esp + 0x14]
mov dword [edx + 4], edi
cmp edi, dword [ebp + 8]
jg 0x581bb6
mov eax, ebp
jmp 0x581bc0
push edi
push ebp
call fcn.004e9f00
add esp, 8
test eax, eax
je 0x581f76
mov ebp, dword [ebp]
mov dword [esp + 0x20], ebp
mov dword [ebp], 1
cmp edi, 1
jle 0x581be9
lea ecx, [edi - 1]
xor eax, eax
lea edi, [ebp + 4]
rep stosd dword es:[edi], eax
mov edi, dword [esp + 0x14]
mov eax, dword [esp + 0x38]
mov ecx, dword [esp + 0x24]
mov dword [eax + 4], edi
cmp edi, dword [ecx + 8]
jg 0x581bfd
mov eax, ecx
jmp 0x581c0b
push edi
push ecx
call fcn.004e9f00
mov ecx, dword [esp + 0x2c]
add esp, 8
test eax, eax
je 0x581f76
mov edx, dword [ecx]
mov dword [esp + 0x1c], edx
test edi, edi
jle 0x581c2d
mov ecx, edi
xor eax, eax
mov edi, edx
rep stosd dword es:[edi], eax
mov edi, dword [esp + 0x14]
mov ecx, dword [esp + 0x24]
mov eax, dword [esp + 0x34]
mov dword [ecx + 4], edi
mov ecx, dword [eax]
mov dword [esp + 0x10], ecx
nop word [eax + eax]
test ebx, ebx
je 0x581d20
nop dword [eax + eax]
mov ebx, dword [esi]
test bl, 1
jne 0x581d18
mov ecx, dword [esp + 0x48]
lea edx, [edi - 1]
mov eax, dword [ebp]
mov ebp, eax
and ebp, 1
neg ebp
mov ecx, dword [ecx]
mov ecx, dword [ecx]
and ecx, ebp
xor eax, ecx
xor ecx, ecx
mov dword [esp + 0x3c], ecx
test edx, edx
jle 0x581cf6
mov ecx, dword [esp + 0x20]
mov edx, esi
sub edx, ecx
mov dword [esp + 0x2c], edx
lea edi, [ecx + 4]
mov ecx, 0xfffffffc
sub ecx, dword [esp + 0x20]
mov dword [esp + 0x28], ecx
nop word [eax + eax]
mov edx, dword [edx + edi]
lea edi, [edi + 4]
mov ecx, edx
shr ebx, 1
shl ecx, 0x1f
or ecx, ebx
shr eax, 1
mov ebx, dword [esp + 0x3c]
mov dword [esi + ebx*4], ecx
mov ebx, edx
mov ecx, dword [esp + 0x48]
mov esi, dword [esp + 0x40]
mov ecx, dword [ecx]
add ecx, dword [esp + 0x28]
mov edx, dword [ecx + edi]
and edx, ebp
xor edx, dword [edi - 4]
mov ecx, edx
shl ecx, 0x1f
or ecx, eax
mov eax, edx
mov edx, dword [esp + 0x14]
mov dword [edi - 8], ecx
dec edx
mov ecx, dword [esp + 0x3c]
inc ecx
cmp ecx, edx
mov dword [esp + 0x3c], ecx
mov edx, dword [esp + 0x2c]
jl 0x581ca0
mov edi, dword [esp + 0x14]
mov ebp, dword [esp + 0x20]
shr ebx, 1
mov dword [esi + ecx*4], ebx
mov ebx, dword [esp + 0x18]
shr eax, 1
sub ebx, 1
mov dword [ebp + ecx*4], eax
mov dword [esp + 0x18], ebx
jne 0x581c50
jmp 0x581d1c
mov ebx, dword [esp + 0x18]
mov ecx, dword [esp + 0x10]
cmp ebx, 0x20
jg 0x581d38
mov eax, dword [esi]
test eax, eax
je 0x581f76
cmp eax, 1
je 0x581f0a
mov edx, dword [esp + 0x44]
cmp ebx, edx
jge 0x581d87
mov ebp, dword [esp + 0x30]
mov esi, ecx
mov eax, dword [esp + 0x38]
mov dword [esp + 0x44], ebx
mov ebx, edx
mov edx, dword [esp + 0x34]
mov ecx, dword [ebp]
mov dword [esp + 0x30], edx
mov edx, dword [esp + 0x24]
mov dword [esp + 0x34], ebp
mov ebp, dword [esp + 0x1c]
mov dword [esp + 0x10], ecx
mov ecx, dword [eax]
mov dword [esp + 0x18], ebx
mov dword [esp + 0x38], edx
mov dword [esp + 0x24], eax
mov dword [esp + 0x40], esi
mov dword [esp + 0x20], ebp
mov dword [esp + 0x1c], ecx
jmp 0x581d8b
mov ecx, dword [esp + 0x1c]
xor edx, edx
test edi, edi
jle 0x581eb2
cmp edi, 4
jb 0x581e6a
lea ebx, [edi - 1]
lea eax, [edi*4 - 4]
lea ebx, [ecx + ebx*4]
add eax, ebp
cmp ebp, ebx
ja 0x581db9
cmp eax, ecx
jae 0x581e6a
lea ecx, [edi - 1]
lea ecx, [esi + ecx*4]
cmp ebp, ecx
ja 0x581dcb
cmp eax, esi
jae 0x581e6a
mov esi, dword [esp + 0x10]
sub esi, 4
lea edi, [esi + edi*4]
mov esi, dword [esp + 0x40]
cmp ebp, edi
ja 0x581de7
cmp eax, dword [esp + 0x10]
jae 0x581e66
cmp esi, ebx
mov ebx, dword [esp + 0x1c]
ja 0x581df3
cmp ecx, ebx
jae 0x581e66
cmp esi, edi
ja 0x581e03
mov eax, dword [esp + 0x10]
cmp ecx, eax
jae 0x581f01
mov ecx, dword [esp + 0x14]
mov eax, ecx
and eax, reloc.WS2_32.dll_closesocket
jns 0x581e15
dec eax
or eax, 0xfffffffc
inc eax
mov edi, dword [esp + 0x10]
sub ecx, eax
mov dword [esp + 0x2c], ecx
sub edi, esi
mov ecx, ebp
sub ebx, esi
sub ecx, esi
mov eax, esi
mov dword [esp + 0x28], ecx
mov ecx, dword [esp + 0x2c]
mov ebp, dword [esp + 0x28]
movups xmm0, xmmword [eax]
add edx, 4
lea eax, [eax + 0x10]
movups xmm1, xmmword [edi + eax - 0x10]
pxor xmm1, xmm0
movups xmm0, xmmword [eax + ebp - 0x10]
movups xmmword [eax - 0x10], xmm1
movups xmm1, xmmword [ebx + eax - 0x10]
pxor xmm1, xmm0
movups xmmword [eax + ebp - 0x10], xmm1
cmp edx, ecx
jl 0x581e35
mov ebp, dword [esp + 0x20]
mov edi, dword [esp + 0x14]
mov eax, dword [esp + 0x10]
cmp edx, edi
jge 0x581eae
mov ebx, eax
lea ecx, [esi + edx*4]
mov eax, dword [esp + 0x1c]
sub ebp, esi
sub eax, esi
mov dword [esp + 0x28], ebp
sub ebx, esi
mov dword [esp + 0x2c], eax
sub edi, edx
mov edx, eax
nop dword [eax]
mov eax, dword [ecx + ebx]
lea ecx, [ecx + 4]
xor dword [ecx - 4], eax
mov eax, dword [ecx + edx - 4]
xor dword [ecx + ebp - 4], eax
sub edi, 1
jne 0x581e90
mov ebp, dword [esp + 0x20]
mov edi, dword [esp + 0x14]
mov ebx, dword [esp + 0x18]
mov ecx, dword [esp + 0x10]
cmp ebx, dword [esp + 0x44]
jne 0x581c40
lea eax, [ebx - 1]
cdq
and edx, 0x1f
lea edi, [edx + eax]
sar edi, 5
mov eax, dword [esi + edi*4]
test eax, eax
jne 0x581ee1
test edi, edi
je 0x581ee1
mov eax, dword [esi + edi*4 - 4]
dec edi
test eax, eax
je 0x581ed4
push eax
call fcn.004e9a50
mov ecx, dword [esp + 0x14]
add esp, 4
shl edi, 5
lea ebx, [edi + eax]
mov edi, dword [esp + 0x14]
mov dword [esp + 0x18], ebx
jmp 0x581c40
mov edi, dword [esp + 0x14]
jmp 0x581e6e
mov ebx, dword [esp + 0x38]
mov ecx, dword [ebx + 4]
test ecx, ecx
jle 0x581f33
mov eax, dword [ebx]
lea edx, [ecx - 1]
lea edx, [eax + edx*4]
nop dword [eax]
mov eax, dword [edx]
lea edx, [edx - 4]
test eax, eax
jne 0x581f2e
dec ecx
test ecx, ecx
jg 0x581f20
mov dword [ebx + 4], ecx
test ecx, ecx
jne 0x581f3c
mov dword [ebx + 0xc], 0
push ebx
push dword [esp + 0x58]
call fcn.004e9610
xor ecx, ecx
add esp, 8
test eax, eax
mov edx, 1
cmovne ecx, edx
mov dword [esp + 0x50], ecx
jmp 0x581f76
push 0x1df
push str..crypto_bn_bn_gf2m.c
push 0x6a
push 0x83
push 3
call fcn.004f4770
add esp, 0x14
pop ebx
push dword [esp + 0x48]
call fcn.00508fe0
mov ecx, dword [esp + 0x70]
add esp, 4
mov eax, dword [esp + 0x4c]
pop edi
pop esi
pop ebp
xor ecx, esp
call fcn.004503a3
add esp, 0x64
ret