Function at 0x577e50
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x3c
call fcn.005ae090
push ebx
mov ebx, dword [esp + 0x44]
push ebp
push esi
push edi
push ebx
mov dword [esp + 0x40], 0
mov dword [esp + 0x20], 0
call fcn.00463880
mov ebp, eax
mov dword [esp + 0x24], 0
push ebp
mov dword [esp + 0x34], 0
mov dword [esp + 0x20], 0
call fcn.00577d60
push dword [esp + 0x5c]
mov edi, eax
mov dword [esp + 0x30], edi
call fcn.00463e20
push ebx
mov dword [esp + 0x38], eax
xor esi, esi
mov dword [esp + 0x24], 0
call fcn.004bcf50
push ebx
mov dword [esp + 0x4c], eax
call fcn.004ca740
add esp, 0x14
mov dword [esp + 0x40], eax
test edi, edi
je 0x577f35
mov ebx, dword [esp + 0x28]
test ebx, ebx
jle 0x577f35
mov eax, dword [esp + 0x64]
push dword [eax]
push 0xff
push dword [esp + 0x68]
call fcn.005afaf0
push 0x64e6a0
push dword [esp + 0x6c]
lea eax, [esp + 0x6c]
push eax
push esi
call fcn.004936b0
add esp, 0x1c
mov dword [esp + 0x2c], eax
test eax, eax
jne 0x577fb6
call fcn.004648b0
push str.ossl_sm2_decrypt
push 0x12f
push str.crypto_sm2_sm2_crypt.c
call fcn.004649b0
push esi
push 0x64
push 0x35
call fcn.00464ac0
add esp, 0x18
xor ebx, ebx
mov eax, dword [esp + 0x64]
push dword [eax]
push 0
push dword [esp + 0x68]
call fcn.005afaf0
add esp, 0xc
push 0x18b
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x1c]
call fcn.0045efe0
push 0x18c
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x2c]
call fcn.0045efe0
push 0x18d
push str.crypto_sm2_sm2_crypt.c
push ebx
call fcn.0045efe0
push dword [esp + 0x44]
call fcn.004c8680
push dword [esp + 0x44]
call fcn.004af830
push 0x64e6a0
push dword [esp + 0x5c]
call fcn.00493320
push esi
call fcn.00478c20
mov eax, dword [esp + 0x74]
add esp, 0x38
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x3c
ret
mov ecx, dword [eax + 8]
cmp dword [ecx], ebx
je 0x577fdf
call fcn.004648b0
push str.ossl_sm2_decrypt
push 0x134
push str.crypto_sm2_sm2_crypt.c
call fcn.004649b0
push 0
push 0x68
jmp 0x577f2b
mov eax, dword [eax + 0xc]
mov ecx, dword [ecx + 8]
mov dword [esp + 0x48], ecx
mov edi, dword [eax]
mov ebx, dword [eax + 8]
mov eax, dword [esp + 0x64]
mov dword [esp + 0x44], edi
cmp dword [eax], edi
jae 0x57801c
call fcn.004648b0
push str.ossl_sm2_decrypt
push 0x13c
push str.crypto_sm2_sm2_crypt.c
call fcn.004649b0
push 0
push 0x6b
jmp 0x577f2b
push dword [esp + 0x38]
call fcn.004afa10
add esp, 4
mov dword [esp + 0x1c], eax
test eax, eax
jne 0x578055
call fcn.004648b0
push str.ossl_sm2_decrypt
push 0x142
push str.crypto_sm2_sm2_crypt.c
call fcn.004649b0
push 0
push 0x80003
jmp 0x577f2b
push eax
call fcn.004afab0
push dword [esp + 0x20]
call fcn.004af8c0
push dword [esp + 0x24]
mov dword [esp + 0x3c], eax
call fcn.004af8c0
add esp, 0xc
mov dword [esp + 0x34], eax
test eax, eax
jne 0x57808d
call fcn.004648b0
push str.ossl_sm2_decrypt
push 0x14b
jmp 0x57803f
push 0x14f
push str.crypto_sm2_sm2_crypt.c
push edi
call fcn.0045f1e0
mov dword [esp + 0x20], eax
mov eax, dword [esp + 0x30]
push 0x150
add eax, eax
push str.crypto_sm2_sm2_crypt.c
push eax
call fcn.0045f1e0
push 0x151
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x48]
mov dword [esp + 0x3c], eax
call fcn.0045f1e0
add esp, 0x24
mov dword [esp + 0x10], eax
cmp dword [esp + 0x14], esi
je 0x5784e4
cmp dword [esp + 0x18], esi
je 0x5784e4
test eax, eax
je 0x5784e4
push ebp
call fcn.004c8ae0
mov ecx, eax
add esp, 4
mov dword [esp + 0x20], ecx
test ecx, ecx
jne 0x578137
call fcn.004648b0
push str.ossl_sm2_decrypt
push 0x158
push str.crypto_sm2_sm2_crypt.c
call fcn.004649b0
push 0
push 0x80010
push 0x35
call fcn.00464ac0
mov ebx, dword [esp + 0x28]
add esp, 0x18
jmp 0x577f37
mov eax, dword [esp + 0x2c]
push dword [esp + 0x1c]
push dword [eax + 4]
push dword [eax]
push ecx
push ebp
call fcn.004c8c30
add esp, 0x14
test eax, eax
je 0x5784d0
push dword [esp + 0x1c]
push dword [esp + 0x54]
call fcn.00463d40
add esp, 4
push eax
mov eax, dword [esp + 0x28]
push eax
push 0
push eax
push ebp
call fcn.004c89a0
add esp, 0x18
test eax, eax
je 0x5784d0
push dword [esp + 0x1c]
push dword [esp + 0x38]
push dword [esp + 0x38]
push dword [esp + 0x2c]
push ebp
call fcn.004c86b0
add esp, 0x14
test eax, eax
je 0x5784d0
mov ebp, dword [esp + 0x24]
push ebp
push dword [esp + 0x1c]
push dword [esp + 0x38]
call fcn.0046f1a0
add esp, 0xc
test eax, eax
js 0x57849d
mov eax, dword [esp + 0x18]
add eax, ebp
push ebp
push eax
push dword [esp + 0x3c]
mov dword [esp + 0x3c], eax
call fcn.0046f1a0
add esp, 0xc
test eax, eax
js 0x57849d
push dword [esp + 0x40]
lea eax, [ebp*2]
mov ebp, dword [esp + 0x18]
push dword [esp + 0x3c]
push dword [esp + 0x5c]
push 0
push 0
push eax
push dword [esp + 0x30]
push edi
push ebp
call fcn.004ccf60
add esp, 0x24
test eax, eax
je 0x57849d
xor edx, edx
test edi, edi
je 0x578372
mov esi, dword [esp + 0x60]
cmp edi, 8
jb 0x578349
lea eax, [ebp - 1]
lea ecx, [esi - 1]
add eax, edi
add ecx, edi
cmp esi, eax
ja 0x57823d
cmp ecx, ebp
jae 0x578349
lea eax, [ebx - 1]
add eax, edi
cmp esi, eax
ja 0x57824e
cmp ecx, ebx
jae 0x578349
cmp edi, 0x40
jb 0x5782f8
mov eax, edi
and eax, 0x8000003f
jns 0x578265
dec eax
or eax, 0xffffffc0
inc eax
mov ecx, dword [esp + 0x60]
mov esi, edi
mov edi, ebx
sub esi, eax
sub edi, ebp
lea eax, [ebp + 0x10]
mov dword [esp + 0x40], edi
add ecx, 0x20
mov edi, dword [esp + 0x60]
sub edi, ebp
mov ebp, ebx
sub ebp, dword [esp + 0x60]
mov dword [esp + 0x34], ebp
mov ebp, dword [esp + 0x40]
mov dword [esp + 0x38], edi
movups xmm0, xmmword [eax - 0x10]
mov edi, dword [esp + 0x38]
lea eax, [eax + 0x40]
movups xmm1, xmmword [edx + ebx]
lea ecx, [ecx + 0x40]
xorps xmm1, xmm0
movups xmmword [ecx - 0x60], xmm1
movups xmm0, xmmword [eax - 0x40]
movups xmm1, xmmword [eax + ebp - 0x40]
xorps xmm1, xmm0
movups xmmword [edi + eax - 0x40], xmm1
mov edi, dword [esp + 0x34]
movups xmm0, xmmword [eax - 0x30]
movups xmm1, xmmword [ecx + edi - 0x40]
mov edi, dword [esp + 0x44]
xorps xmm1, xmm0
movups xmmword [ecx - 0x40], xmm1
movups xmm1, xmmword [ebx + edx + 0x30]
add edx, 0x40
movups xmm0, xmmword [eax - 0x20]
xorps xmm1, xmm0
movups xmmword [ecx - 0x30], xmm1
cmp edx, esi
jne 0x578293
mov ebp, dword [esp + 0x14]
mov eax, edi
and al, 0x3f
cmp al, 8
jb 0x578341
mov eax, edi
and eax, reloc.WS2_32.dll_getsockopt
jns 0x578306
dec eax
or eax, 0xfffffff8
inc eax
mov ecx, edi
mov esi, ebx
sub ecx, eax
sub esi, ebp
lea eax, [edx + ebp]
mov ebp, dword [esp + 0x60]
sub ebp, dword [esp + 0x14]
nop dword [eax]
movq xmm1, qword [eax + esi]
lea eax, [eax + 8]
movq xmm0, qword [eax - 8]
add edx, 8
xorps xmm1, xmm0
movq qword [eax + ebp - 8], xmm1
cmp edx, ecx
jne 0x578320
mov ebp, dword [esp + 0x14]
cmp edx, edi
je 0x578372
mov esi, dword [esp + 0x60]
sub ebx, ebp
lea ecx, [edx + ebp]
mov ebp, esi
mov esi, edi
sub ebp, dword [esp + 0x14]
sub esi, edx
nop dword [eax + eax]
mov al, byte [ecx + ebx]
lea ecx, [ecx + 1]
xor al, byte [ecx - 1]
mov byte [ecx + ebp - 1], al
sub esi, 1
jne 0x578360
call fcn.00478cb0
mov esi, eax
test esi, esi
jne 0x5783af
call fcn.004648b0
push str.ossl_sm2_decrypt
push 0x172
push str.crypto_sm2_sm2_crypt.c
call fcn.004649b0
push esi
push 0x80006
push 0x35
call fcn.00464ac0
mov ebx, dword [esp + 0x28]
add esp, 0x18
jmp 0x577f37
push dword [esp + 0x54]
push esi
call fcn.00478630
add esp, 8
test eax, eax
je 0x57846a
mov ebx, dword [esp + 0x24]
push ebx
push dword [esp + 0x1c]
push esi
call fcn.00478690
add esp, 0xc
test eax, eax
je 0x57846a
push edi
push dword [esp + 0x64]
push esi
call fcn.00478690
add esp, 0xc
test eax, eax
je 0x57846a
push ebx
push dword [esp + 0x34]
push esi
call fcn.00478690
mov ebx, dword [esp + 0x1c]
add esp, 0xc
test eax, eax
je 0x57846e
push 0
push ebx
push esi
call fcn.00478270
add esp, 0xc
test eax, eax
je 0x57846e
push dword [esp + 0x28]
push dword [esp + 0x4c]
push ebx
call fcn.00401390
add esp, 0xc
test eax, eax
je 0x578457
call fcn.004648b0
push str.ossl_sm2_decrypt
push 0x180
push str.crypto_sm2_sm2_crypt.c
call fcn.004649b0
push 0
push 0x66
push 0x35
call fcn.00464ac0
add esp, 0x18
jmp 0x577f37
mov eax, dword [esp + 0x64]
mov dword [esp + 0x3c], 1
mov dword [eax], edi
jmp 0x577f4b
mov ebx, dword [esp + 0x10]
call fcn.004648b0
push str.ossl_sm2_decrypt
push 0x17b
push str.crypto_sm2_sm2_crypt.c
call fcn.004649b0
push 0
push 0x80006
push 0x35
call fcn.00464ac0
add esp, 0x18
jmp 0x577f37
call fcn.004648b0
push str.ossl_sm2_decrypt
push 0x169
push str.crypto_sm2_sm2_crypt.c
call fcn.004649b0
push 0
push 0xc0103
push 0x35
call fcn.00464ac0
mov ebx, dword [esp + 0x28]
add esp, 0x18
jmp 0x577f37
call fcn.004648b0
push str.ossl_sm2_decrypt
push 0x161
jmp 0x578113
mov ebx, eax
jmp 0x577f37