Function at 0x10028300
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, esp
sub esp, 8
and esp, 0xfffffff8
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x10069338
mov eax, dword fs:[0]
push eax
push ebx
sub esp, 0x40
push esi
push edi
mov eax, dword [0x1007e040]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
mov eax, dword [ebx + 8]
mov dword [ebp - 4], 0
test eax, eax
je 0x100285f1
mov dword [esi + 0x24], eax
xor eax, eax
mov word [esi + 0x20], 1
mov word [esi + 0x28], ax
call fcn.10028cc0
movaps xmm0, xmmword [str._l_S_WPWPY]
xor ecx, ecx
movups xmmword [ebp - 0x48], xmm0
mov dword [ebp - 0x38], 0xe0e651e
mov dword [ebp - 0x34], 0x630e0e04
mov byte [ebp - 0x30], 0
mov al, byte [ebp - 0x48]
xor byte [ebp + ecx - 0x47], al
inc ecx
cmp ecx, 0x17
jb 0x10028382
xorps xmm0, xmm0
mov byte [ebp - 0x30], 0
lea ecx, [ebp - 0x47]
mov dword [ebp - 0x1c], 0
movups xmmword [ebp - 0x2c], xmm0
mov dword [ebp - 0x18], 0
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x100283b0
sub ecx, edx
lea eax, [ebp - 0x47]
push ecx
push eax
lea ecx, [ebp - 0x2c]
call fcn.10005220
mov byte [ebp - 4], 1
mov edi, dword [esi + 0xc]
test edi, edi
je 0x100283ea
push 4
push edi
call dword [sym.imp.KERNEL32.dll_IsBadReadPtr]
test eax, eax
jne 0x100283ea
lea eax, [ebp - 0x2c]
mov ecx, edi
push eax
call dword [0x10075274]
mov byte [ebp - 4], 0
mov ecx, dword [ebp - 0x18]
cmp ecx, 0xf
jbe 0x10028424
mov edx, dword [ebp - 0x2c]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x1002841a
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x1002841a
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push ecx
push edx
call fcn.100662c0
add esp, 8
cmp dword [ebx + 0x1c], 0
jne 0x10028527
mov byte [ebp - 0x20], 0x23
mov cl, 0x4a
xor cl, byte [ebp - 0x20]
mov al, 0x70
xor al, byte [ebp - 0x20]
mov dl, 0x46
mov byte [ebp - 0x1f], al
mov ch, dl
mov byte [ebp - 0x1e], cl
mov dh, 3
mov cl, byte [ebp - 0x20]
mov ah, 0x44
mov byte [ebp - 0x11], 0x60
xor dl, cl
mov al, byte [ebp - 0x11]
xor ch, cl
xor al, cl
mov byte [ebp - 0x12], 0x4f
mov byte [ebp - 0x19], al
xor dh, cl
mov al, byte [ebp - 0x12]
xor ah, cl
xor al, cl
mov byte [ebp - 0x13], 0x42
mov byte [ebp - 0x18], al
xorps xmm0, xmm0
mov al, byte [ebp - 0x13]
xor al, cl
mov byte [ebp - 0x14], 0x4d
mov byte [ebp - 0x17], al
mov al, byte [ebp - 0x14]
xor al, cl
mov byte [ebp - 0x1b], ch
lea ecx, [ebp - 0x1f]
mov byte [ebp - 0x15], 0
mov byte [ebp - 0x1d], dl
mov byte [ebp - 0x1a], dh
lea edx, [ecx + 1]
mov byte [ebp - 0x1c], ah
mov byte [ebp - 0x16], al
mov byte [ebp - 0x15], 0
movups xmmword [ebp - 0x48], xmm0
mov dword [ebp - 0x38], 0
mov dword [ebp - 0x34], 0
mov al, byte [ecx]
inc ecx
test al, al
jne 0x100284b4
sub ecx, edx
lea eax, [ebp - 0x1f]
push ecx
push eax
lea ecx, [ebp - 0x48]
call fcn.10005220
mov byte [ebp - 4], 2
mov esi, dword [esi + 0x10]
test esi, esi
je 0x100284ef
mov eax, dword [sym.imp.KERNEL32.dll_IsBadReadPtr]
push 4
push esi
call eax
test eax, eax
jne 0x100284ef
lea eax, [ebp - 0x48]
mov ecx, esi
push eax
call dword [0x10075274]
mov ecx, dword [ebp - 0x34]
cmp ecx, 0xf
jbe 0x100285f1
mov edx, dword [ebp - 0x48]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x100285e7
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x100285e7
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
cmp dword [ebx + 0x20], 0xf
lea eax, [ebx + 0xc]
movaps xmm0, xmmword [0x10076b20]
cmova eax, dword [ebx + 0xc]
xor ecx, ecx
push eax
movups xmmword [ebp - 0x28], xmm0
mov word [ebp - 0x18], 0x23
mov al, byte [ebp - 0x28]
xor byte [ebp + ecx - 0x27], al
inc ecx
cmp ecx, 0x10
jb 0x10028546
sub esp, 0x18
mov byte [ebp - 0x17], 0
mov edx, esp
lea ecx, [ebp - 0x27]
xorps xmm0, xmm0
lea edi, [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 0x10028576
sub ecx, edi
lea eax, [ebp - 0x27]
push ecx
push eax
mov ecx, edx
call fcn.10005220
lea eax, [ebp - 0x48]
push eax
call fcn.10004db0
add esp, 0x20
mov edi, eax
mov byte [ebp - 4], 3
mov esi, dword [esi + 0x10]
test esi, esi
je 0x100285bb
mov eax, dword [sym.imp.KERNEL32.dll_IsBadReadPtr]
push 4
push esi
call eax
test eax, eax
jne 0x100285bb
push edi
mov ecx, esi
call dword [0x10075274]
mov ecx, dword [ebp - 0x34]
cmp ecx, 0xf
jbe 0x100285f1
mov edx, dword [ebp - 0x48]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x100285e7
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x100285e7
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push ecx
push edx
call fcn.100662c0
add esp, 8
mov ecx, dword [ebx + 0x20]
cmp ecx, 0xf
jbe 0x10028627
mov edx, dword [ebx + 0xc]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x1002861d
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x1002861d
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push ecx
push edx
call fcn.100662c0
add esp, 8
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 0x1c