Function at 0x48fc07
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
push ebx
xor ebx, ebx
test byte [ebp + 0x10], 0x80
push esi
push edi
mov esi, eax
mov dword [ebp - 0x24], ebx
mov dword [ebp - 0x28], ebx
mov byte [ebp - 2], bl
mov dword [ebp - 0x38], 0xc
mov dword [ebp - 0x34], ebx
je 0x48fc36
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x48fc40
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048c772
test eax, eax
pop ecx
je 0x48fc5b
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00479dab
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0047ce1e
test eax, eax
pop ecx
je 0x48fc76
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00479dab
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x48fc93
test ecx, 0x74000
jne 0x48fc8f
cmp dword [ebp - 0x24], eax
je 0x48fc93
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x48fced
dec eax
je 0x48fcd7
dec eax
je 0x48fcd2
call fcn.00480c66
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00480c53
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00479ea7
add esp, 0x14
jmp 0x4902a0
mov dword [ebp - 8], edx
jmp 0x48fcf0
test cl, 8
je 0x48fce4
test ecx, 0x70000
jne 0x48fcd2
mov dword [ebp - 8], 0x40000000
jmp 0x48fcf0
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x48fd31
sub eax, ecx
je 0x48fd28
sub eax, ecx
je 0x48fd1f
sub eax, ecx
je 0x48fd16
sub eax, 0x40
jne 0x48fcac
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x48fd34
mov dword [ebp - 0x10], 3
jmp 0x48fd34
mov dword [ebp - 0x10], 2
jmp 0x48fd34
mov dword [ebp - 0x10], 1
jmp 0x48fd34
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, pe_nt_image_headers32
jg 0x48fd87
je 0x48fd7e
cmp eax, ebx
je 0x48fd7e
cmp eax, edi
je 0x48fd75
cmp eax, 0x200
je 0x48fdfa
cmp eax, 0x300
jne 0x48fcac
mov dword [ebp - 0x14], 2
jmp 0x48fda4
mov dword [ebp - 0x14], 4
jmp 0x48fda4
mov dword [ebp - 0x14], 3
jmp 0x48fda4
cmp eax, 0x500
je 0x48fd9d
cmp eax, 0x600
je 0x48fdfa
cmp eax, edx
jne 0x48fcac
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x48fdc8
mov ecx, dword [0x4da360]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x48fdc8
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x48fde4
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x48fde4
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x48fded
or dword [ebp - 0xc], edi
test al, 0x20
je 0x48fe03
or dword [ebp - 0xc], 0x8000000
jmp 0x48fe0e
mov dword [ebp - 0x14], 5
jmp 0x48fda4
test al, 0x10
je 0x48fe0e
or dword [ebp - 0xc], 0x10000000
call fcn.0047da17
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x48fe34
call fcn.00480c66
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00480c53
mov dword [eax], 0x18
jmp 0x48fec2
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileW]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x38]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x48fece
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x48fe9a
test byte [ebp + 0x10], 1
je 0x48fe9a
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
push dword [ebp - 0x14]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x48fece
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4db700]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00480c79
pop ecx
call fcn.00480c53
mov eax, dword [eax]
jmp 0x49035c
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x48ff1f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4db700]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00480c79
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x48fec2
call fcn.00480c53
mov dword [eax], 0xd
jmp 0x48fec2
cmp eax, 2
jne 0x48ff2a
or byte [ebp - 1], 0x40
jmp 0x48ff33
cmp eax, 3
jne 0x48ff33
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0047d7e6
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4db700]
pop ecx
pop ecx
mov cl, byte [ebp - 1]
or cl, 1
mov byte [edx + eax + 4], cl
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4db700]
lea eax, [edx + eax + 0x24]
and byte [eax], 0x80
mov byte [ebp - 3], cl
and byte [ebp - 3], 0x48
mov byte [ebp - 1], cl
jne 0x490009
test cl, 0x80
je 0x4900d9
test byte [ebp + 0x10], 2
je 0x490009
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00483f05
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x48ffc7
call fcn.00480c66
cmp dword [eax], 0x83
je 0x490009
push dword [esi]
call fcn.0048348b
jmp 0x48fec1
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0048510e
add esp, 0xc
test eax, eax
jne 0x48fff9
cmp word [ebp - 0x2c], 0x1a
jne 0x48fff9
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0047d42b
add esp, 0xc
cmp eax, edi
je 0x48ffbb
push ebx
push ebx
push dword [esi]
call fcn.00483f05
add esp, 0xc
cmp eax, edi
je 0x48ffbb
test byte [ebp - 1], 0x80
je 0x4900d9
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x490031
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x49002e
or dword [ebp + 0x10], edi
jmp 0x490031
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x49007e
cmp eax, 0x10000
je 0x49006a
cmp eax, 0x14000
je 0x49006a
cmp eax, 0x20000
je 0x490078
cmp eax, 0x24000
je 0x490078
cmp eax, 0x40000
je 0x490064
cmp eax, 0x44000
jne 0x490081
mov byte [ebp - 2], 1
jmp 0x490081
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x490081
mov byte [ebp - 2], 2
jmp 0x490081
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4900d9
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4900d9
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x490233
cmp eax, 0x80000000
je 0x4901fa
cmp eax, ecx
jne 0x4900d9
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4900d9
cmp eax, 2
jbe 0x4902db
cmp eax, 4
jbe 0x4901cc
cmp eax, 5
je 0x4902db
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
lea eax, [ecx + eax + 0x24]
mov cl, byte [eax]
xor cl, byte [ebp - 2]
and cl, 0x7f
xor byte [eax], cl
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
lea eax, [ecx + eax + 0x24]
mov ecx, dword [ebp + 0x10]
mov dl, byte [eax]
shr ecx, 0x10
shl cl, 7
and dl, 0x7f
or cl, dl
cmp byte [ebp - 3], bl
mov byte [eax], cl
jne 0x49014b
test byte [ebp + 0x10], 8
je 0x49014b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
lea eax, [ecx + eax + 4]
or byte [eax], 0x20
mov edi, dword [ebp - 8]
mov eax, 0xc0000000
mov ecx, edi
and ecx, eax
cmp ecx, eax
jne 0x49035a
test byte [ebp + 0x10], 1
je 0x49035a
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
jne 0x490343
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00480c79
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0047d863
pop ecx
jmp 0x48fec1
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048c7a6
add esp, 0x10
or eax, edx
je 0x4902db
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048c7a6
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x48ffbb
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0048510e
add esp, 0xc
cmp eax, 0xffffffff
je 0x48ffbb
cmp eax, 2
je 0x49027f
cmp eax, 3
jne 0x4902cd
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x49027f
mov byte [ebp - 2], 1
jmp 0x4900d9
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4900d9
cmp eax, 2
jbe 0x4902db
cmp eax, 4
ja 0x4900d0
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048c7a6
add esp, 0x10
or eax, edx
je 0x4902db
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048c7a6
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4900d9
jmp 0x48ffbb
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4902a7
push dword [esi]
call fcn.0048348b
pop ecx
call fcn.00480c53
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x49035c
cmp eax, 0xfeff
jne 0x4902cd
push ebx
push 2
push dword [esi]
call fcn.00483f05
add esp, 0xc
cmp eax, 0xffffffff
je 0x48ffbb
mov byte [ebp - 2], 2
jmp 0x4900d9
push ebx
push ebx
push dword [esi]
call fcn.00483f05
add esp, 0xc
jmp 0x490271
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4902fb
dec eax
jne 0x4900d9
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x490309
mov dword [ebp - 0x18], 0xbfbbef
mov dword [ebp - 0x14], 3
mov eax, dword [ebp - 0x14]
sub eax, edi
push eax
lea eax, [ebp + edi - 0x18]
push eax
push dword [esi]
call fcn.0048c5da
add esp, 0xc
cmp eax, 0xffffffff
je 0x49032f
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x490309
jmp 0x4900d9
push dword [esi]
call fcn.0048348b
pop ecx
call fcn.00480c53
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x49035c
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret