Function at 0x48fa77
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 0x48faa6
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x48fab0
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048c5e2
test eax, eax
pop ecx
je 0x48facb
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00479c0b
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0047ccce
test eax, eax
pop ecx
je 0x48fae6
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00479c0b
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x48fb03
test ecx, 0x74000
jne 0x48faff
cmp dword [ebp - 0x24], eax
je 0x48fb03
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x48fb5d
dec eax
je 0x48fb47
dec eax
je 0x48fb42
call fcn.00480ad6
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00480ac3
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00479d07
add esp, 0x14
jmp 0x490110
mov dword [ebp - 8], edx
jmp 0x48fb60
test cl, 8
je 0x48fb54
test ecx, 0x70000
jne 0x48fb42
mov dword [ebp - 8], 0x40000000
jmp 0x48fb60
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x48fba1
sub eax, ecx
je 0x48fb98
sub eax, ecx
je 0x48fb8f
sub eax, ecx
je 0x48fb86
sub eax, 0x40
jne 0x48fb1c
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x48fba4
mov dword [ebp - 0x10], 3
jmp 0x48fba4
mov dword [ebp - 0x10], 2
jmp 0x48fba4
mov dword [ebp - 0x10], 1
jmp 0x48fba4
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 0x48fbf7
je 0x48fbee
cmp eax, ebx
je 0x48fbee
cmp eax, edi
je 0x48fbe5
cmp eax, 0x200
je 0x48fc6a
cmp eax, 0x300
jne 0x48fb1c
mov dword [ebp - 0x14], 2
jmp 0x48fc14
mov dword [ebp - 0x14], 4
jmp 0x48fc14
mov dword [ebp - 0x14], 3
jmp 0x48fc14
cmp eax, 0x500
je 0x48fc0d
cmp eax, 0x600
je 0x48fc6a
cmp eax, edx
jne 0x48fb1c
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x48fc38
mov ecx, dword [0x4da360]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x48fc38
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x48fc54
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x48fc54
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x48fc5d
or dword [ebp - 0xc], edi
test al, 0x20
je 0x48fc73
or dword [ebp - 0xc], 0x8000000
jmp 0x48fc7e
mov dword [ebp - 0x14], 5
jmp 0x48fc14
test al, 0x10
je 0x48fc7e
or dword [ebp - 0xc], 0x10000000
call fcn.0047d8c7
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x48fca4
call fcn.00480ad6
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00480ac3
mov dword [eax], 0x18
jmp 0x48fd32
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 0x48fd3e
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x48fd0a
test byte [ebp + 0x10], 1
je 0x48fd0a
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 0x48fd3e
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.00480ae9
pop ecx
call fcn.00480ac3
mov eax, dword [eax]
jmp 0x4901cc
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x48fd8f
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.00480ae9
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x48fd32
call fcn.00480ac3
mov dword [eax], 0xd
jmp 0x48fd32
cmp eax, 2
jne 0x48fd9a
or byte [ebp - 1], 0x40
jmp 0x48fda3
cmp eax, 3
jne 0x48fda3
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0047d696
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 0x48fe79
test cl, 0x80
je 0x48ff49
test byte [ebp + 0x10], 2
je 0x48fe79
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00483d29
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x48fe37
call fcn.00480ad6
cmp dword [eax], 0x83
je 0x48fe79
push dword [esi]
call fcn.004832af
jmp 0x48fd31
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.00484f32
add esp, 0xc
test eax, eax
jne 0x48fe69
cmp word [ebp - 0x2c], 0x1a
jne 0x48fe69
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0047d308
add esp, 0xc
cmp eax, edi
je 0x48fe2b
push ebx
push ebx
push dword [esi]
call fcn.00483d29
add esp, 0xc
cmp eax, edi
je 0x48fe2b
test byte [ebp - 1], 0x80
je 0x48ff49
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x48fea1
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x48fe9e
or dword [ebp + 0x10], edi
jmp 0x48fea1
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x48feee
cmp eax, 0x10000
je 0x48feda
cmp eax, 0x14000
je 0x48feda
cmp eax, 0x20000
je 0x48fee8
cmp eax, 0x24000
je 0x48fee8
cmp eax, 0x40000
je 0x48fed4
cmp eax, 0x44000
jne 0x48fef1
mov byte [ebp - 2], 1
jmp 0x48fef1
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x48fef1
mov byte [ebp - 2], 2
jmp 0x48fef1
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x48ff49
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x48ff49
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4900a3
cmp eax, 0x80000000
je 0x49006a
cmp eax, ecx
jne 0x48ff49
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48ff49
cmp eax, 2
jbe 0x49014b
cmp eax, 4
jbe 0x49003c
cmp eax, 5
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 + 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 0x48ffbb
test byte [ebp + 0x10], 8
je 0x48ffbb
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 0x4901ca
test byte [ebp + 0x10], 1
je 0x4901ca
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 0x4901b3
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00480ae9
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.0047d713
pop ecx
jmp 0x48fd31
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048c616
add esp, 0x10
or eax, edx
je 0x49014b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048c616
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x48fe2b
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00484f32
add esp, 0xc
cmp eax, 0xffffffff
je 0x48fe2b
cmp eax, 2
je 0x4900ef
cmp eax, 3
jne 0x49013d
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4900ef
mov byte [ebp - 2], 1
jmp 0x48ff49
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48ff49
cmp eax, 2
jbe 0x49014b
cmp eax, 4
ja 0x48ff40
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048c616
add esp, 0x10
or eax, edx
je 0x49014b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048c616
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x48ff49
jmp 0x48fe2b
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x490117
push dword [esi]
call fcn.004832af
pop ecx
call fcn.00480ac3
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4901cc
cmp eax, 0xfeff
jne 0x49013d
push ebx
push 2
push dword [esi]
call fcn.00483d29
add esp, 0xc
cmp eax, 0xffffffff
je 0x48fe2b
mov byte [ebp - 2], 2
jmp 0x48ff49
push ebx
push ebx
push dword [esi]
call fcn.00483d29
add esp, 0xc
jmp 0x4900e1
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x49016b
dec eax
jne 0x48ff49
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x490179
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.0048c44a
add esp, 0xc
cmp eax, 0xffffffff
je 0x49019f
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x490179
jmp 0x48ff49
push dword [esi]
call fcn.004832af
pop ecx
call fcn.00480ac3
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4901cc
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