Function at 0x73a4b0
Capabilities:
Encode data using xor
Get disk information
Get storage device properties

Disassembly:
push ebp
lea ebp, [esp - 0x304]
sub esp, 0x304
push 0xfffffffffffffffe
push 0x787610
push 0x756ff0
mov eax, dword fs:[0]
push eax
sub esp, 0x44
mov eax, dword [0x69bc80]
xor dword [ebp - 8], eax
xor eax, ebp
mov dword [ebp + 0x300], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0x10]
mov dword fs:[0], eax
mov dword [ebp - 0x18], esp
mov byte [ebp - 0x19], 0
mov dword [ebp - 0x24], 0
movzx eax, byte [0x6a5e98]
xor al, 0x2a
mov byte [ebp + 0x2f4], al
movzx ecx, byte [0x6a5e99]
xor cl, 0xc1
mov byte [ebp + 0x2f5], cl
movzx edx, byte [0x6a5e9a]
xor dl, 0x68
mov byte [ebp + 0x2f6], dl
movzx eax, byte [0x6a5e9b]
xor al, 0x7e
mov byte [ebp + 0x2f7], al
movzx ecx, byte [0x6a5e9c]
xor cl, 0x2a
mov byte [ebp + 0x2f8], cl
movzx edx, byte [0x6a5e9d]
xor dl, 0xc1
mov byte [ebp + 0x2f9], dl
mov byte [ebp + 0x2fa], 0
call dword [sym.imp.KERNEL32.dll_GetLogicalDrives]
mov dword [ebp - 0x28], eax
mov ebx, 0x41
mov dword [ebp - 0x38], ebx
test eax, eax
je 0x73a909
test al, 1
je 0x73a8f2
mov byte [ebp + 0x2f8], bl
lea eax, [ebp + 0x2f8]
push eax
call dword [sym.imp.KERNEL32.dll_GetDriveTypeA]
sub eax, 2
je 0x73a5a2
sub eax, 2
jmp 0x73a5a5
cmp ebx, 0x41
je 0x73a8f2
push 0
push 0
push 3
push 0
push 3
push 0xc0000000
lea ecx, [ebp + 0x2f4]
push ecx
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
mov dword [ebp - 0x20], edi
mov esi, dword [sym.imp.KERNEL32.dll_DeviceIoControl]
cmp edi, 0xffffffff
je 0x73a766
xor eax, eax
mov dword [ebp - 0x54], eax
mov dword [ebp - 0x50], eax
mov dword [ebp - 0x4c], eax
mov dword [ebp - 0x48], eax
mov dword [ebp - 0x44], eax
mov dword [ebp - 0x40], eax
push eax
lea edx, [ebp - 0x24]
push edx
push 0x18
lea eax, [ebp - 0x54]
push eax
push 0
push 0
push 0x74080
push edi
call esi
test eax, eax
je 0x73a761
mov al, byte [ebp - 0x51]
test al, al
jbe 0x73a761
and al, 0x10
neg al
sbb al, al
and al, 0xb5
add al, 0xec
mov bl, al
xor eax, eax
mov dword [ebp + 0x2d4], eax
mov dword [ebp + 0x2d8], eax
mov dword [ebp + 0x2dc], eax
mov dword [ebp + 0x2e0], eax
mov dword [ebp + 0x2e4], eax
mov dword [ebp + 0x2e8], eax
mov dword [ebp + 0x2ec], eax
mov dword [ebp + 0x2f0], eax
push 0x210
push eax
lea ecx, [ebp]
push ecx
call fcn.00755e40
add esp, 0xc
mov byte [ebp + 0x2d4], 0
mov byte [ebp + 0x2d5], 2
mov byte [ebp + 0x2d9], 1
mov byte [ebp + 0x2da], 1
mov byte [ebp + 0x2dd], 0xb0
mov byte [ebp + 0x2de], bl
push 0
lea edx, [ebp - 0x24]
push edx
push 0x210
lea eax, [ebp]
push eax
push 0x20
lea ecx, [ebp + 0x2d4]
push ecx
push 0x7c088
push edi
call esi
test eax, eax
je 0x73a761
xor ebx, ebx
xor esi, esi
mov edi, edi
movzx edx, byte [ebp + esi + 0x42]
push edx
call fcn.00758a97
xor al, 0xc1
mov byte [ebp + esi + 0x2a9], al
movzx eax, byte [ebp + esi + 0x43]
push eax
call fcn.00758a97
add esp, 8
xor al, 0xc1
mov byte [ebp + esi + 0x2a8], al
add esi, 2
cmp esi, 0x28
jl 0x73a6c0
test esi, esi
je 0x73a6fa
lea ebx, [esi - 1]
xor esi, esi
cmp dword [0x6a5ee4], esi
je 0x73a8e5
xor eax, eax
mov ecx, 0x6a5ee4
nop
mov edx, dword [eax + 0x6a5ee8]
push edx
mov eax, dword [ecx]
push eax
mov eax, ebx
lea ecx, [ebp + 0x2a8]
call fcn.00739fd0
add esp, 8
test eax, eax
je 0x73a749
push ebx
lea ecx, [ebp + 0x2a8]
push ecx
call fcn.0073a070
add esp, 8
mov byte [ebp - 0x19], al
test al, al
jne 0x73a8e5
inc esi
lea eax, [esi*8]
lea ecx, [eax + 0x6a5ee4]
cmp dword [ecx], 0
jne 0x73a710
jmp 0x73a8e5
cmp edi, 0xffffffff
jne 0x73a78d
push 0
push 0
push 3
push 0
push 3
push 0
lea edx, [ebp + 0x2f4]
push edx
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov dword [ebp - 0x20], eax
cmp eax, 0xffffffff
je 0x73a8f2
mov edi, eax
push 0x96
push 0
lea eax, [ebp + 0x210]
push eax
call fcn.00755e40
add esp, 0xc
push 0
lea ecx, [ebp - 0x24]
push ecx
push 0x96
lea edx, [ebp + 0x210]
push edx
push 0x96
mov eax, edx
push eax
push 0x2d1400
push edi
call esi
test eax, eax
je 0x73a8e5
cmp dword [ebp + 0x210], 0x28
jne 0x73a8e5
mov dword [ebp - 0x34], 0x69d075
mov dword [ebp - 0x3c], 0
mov eax, dword [ebp + 0x21c]
test eax, eax
je 0x73a824
lea edi, [ebp + eax + 0x210]
mov dword [ebp - 0x34], edi
xor esi, esi
cmp byte [edi], 0
je 0x73a81c
movsx ecx, byte [edi + esi]
push ecx
call fcn.00758a97
add esp, 4
xor al, 0xc1
mov byte [edi + esi], al
inc esi
cmp byte [edi + esi], 0
jne 0x73a803
test esi, esi
je 0x73a824
dec esi
mov dword [ebp - 0x3c], esi
mov edi, 0x69d075
xor ebx, ebx
mov dword [ebp - 0x2c], ebx
mov eax, dword [ebp + 0x220]
cmp eax, ebx
je 0x73a867
lea edi, [ebp + eax + 0x210]
xor esi, esi
cmp byte [edi], 0
je 0x73a85f
movsx edx, byte [edi + esi]
push edx
call fcn.00758a97
add esp, 4
xor al, 0xc1
mov byte [edi + esi], al
inc esi
cmp byte [edi + esi], 0
jne 0x73a846
cmp esi, ebx
je 0x73a867
dec esi
mov dword [ebp - 0x2c], esi
mov dword [ebp - 0x30], ebx
cmp dword [0x6a5ee4], ebx
je 0x73a8e2
xor esi, esi
mov ebx, 0x6a5ee4
mov eax, dword [esi + 0x6a5ee8]
push eax
mov ecx, dword [ebx]
push ecx
mov eax, dword [ebp - 0x3c]
mov ecx, dword [ebp - 0x34]
call fcn.00739fd0
add esp, 8
test eax, eax
jne 0x73a8de
mov edx, dword [esi + 0x6a5ee8]
push edx
mov eax, dword [ebx]
push eax
mov esi, dword [ebp - 0x2c]
mov eax, esi
mov ecx, edi
call fcn.00739fd0
add esp, 8
test eax, eax
je 0x73a8c3
push esi
push edi
call fcn.0073a070
add esp, 8
mov byte [ebp - 0x19], al
test al, al
jne 0x73a8e2
mov eax, dword [ebp - 0x30]
inc eax
mov dword [ebp - 0x30], eax
lea esi, [eax*8]
lea ebx, [esi + 0x6a5ee4]
cmp dword [ebx], 0
jne 0x73a879
jmp 0x73a8e2
mov byte [ebp - 0x19], 1
mov edi, dword [ebp - 0x20]
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp byte [ebp - 0x19], 0
jne 0x73a909
mov eax, dword [ebp - 0x28]
shr eax, 1
mov dword [ebp - 0x28], eax
mov ebx, dword [ebp - 0x38]
inc ebx
mov dword [ebp - 0x38], ebx
test eax, eax
jne 0x73a57d
push 0x29
push 0
lea ecx, [ebp + 0x2a8]
push ecx
call fcn.00755e40
xor eax, eax
mov dword [ebp + 0x2f4], eax
mov dword [ebp + 0x2f8], eax
mov word [ebp + 0x2fc], ax
push 0x210
push eax
lea edx, [ebp]
push edx
call fcn.00755e40
add esp, 0x18
cmp byte [ebp - 0x19], 0
jne 0x73a970
cmp byte [ebp + 0x30c], 0
je 0x73a96a
mov dword [ebp - 4], 0
int 8
jmp 0x73a963
mov dword [ebp - 4], 0xfffffffe
cmp byte [ebp - 0x19], 0
je 0x73a97f
call fcn.006afd10
mov dword [eax], 6
mov al, 1
jmp 0x73a981
xor al, al
mov ecx, dword [ebp - 0x10]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp + 0x300]
xor ecx, ebp
call fcn.007562ca
add ebp, 0x304
mov esp, ebp
pop ebp
ret