Function at 0x1003ffd5
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
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 - 0x34], 0xc
mov dword [ebp - 0x30], ebx
je 0x10040004
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x1004000e
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.100439ae
test eax, eax
pop ecx
je 0x10040029
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.1002e518
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.1002f8fa
test eax, eax
pop ecx
je 0x10040044
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.1002e518
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x10040061
test ecx, 0x74000
jne 0x1004005d
cmp dword [ebp - 0x24], eax
je 0x10040061
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, connect
je 0x100400bb
dec eax
je 0x100400a5
dec eax
je 0x100400a0
call fcn.1002eaf4
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.1002eae1
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.1002e614
add esp, 0x14
jmp 0x1004066d
mov dword [ebp - 8], edx
jmp 0x100400be
test cl, 8
je 0x100400b2
test ecx, 0x70000
jne 0x100400a0
mov dword [ebp - 8], 0x40000000
jmp 0x100400be
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x100400ff
sub eax, ecx
je 0x100400f6
sub eax, ecx
je 0x100400ed
sub eax, ecx
je 0x100400e4
sub eax, 0x40
jne 0x1004007a
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x10040102
mov dword [ebp - 0x10], 3
jmp 0x10040102
mov dword [ebp - 0x10], 2
jmp 0x10040102
mov dword [ebp - 0x10], 1
jmp 0x10040102
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 0x10040155
je 0x1004014c
cmp eax, ebx
je 0x1004014c
cmp eax, edi
je 0x10040143
cmp eax, 0x200
je 0x100401c8
cmp eax, 0x300
jne 0x1004007a
mov dword [ebp - 0x14], 2
jmp 0x10040172
mov dword [ebp - 0x14], 4
jmp 0x10040172
mov dword [ebp - 0x14], 3
jmp 0x10040172
cmp eax, 0x500
je 0x1004016b
cmp eax, 0x600
je 0x100401c8
cmp eax, edx
jne 0x1004007a
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x10040196
mov ecx, dword [0x10054628]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x10040196
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x100401b2
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x100401b2
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x100401bb
or dword [ebp - 0xc], edi
test al, 0x20
je 0x100401d1
or dword [ebp - 0xc], 0x8000000
jmp 0x100401dc
mov dword [ebp - 0x14], 5
jmp 0x10040172
test al, 0x10
je 0x100401dc
or dword [ebp - 0xc], 0x10000000
call fcn.10040d00
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x10040202
call fcn.1002eaf4
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.1002eae1
mov dword [eax], 0x18
jmp 0x10040290
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileA]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x34]
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 0x1004029c
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x10040268
test byte [ebp + 0x10], 1
je 0x10040268
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
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 0x1004029c
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x10067ce0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.1002eb07
pop ecx
call fcn.1002eae1
mov eax, dword [eax]
jmp 0x10040729
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x100402ed
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x10067ce0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.1002eb07
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x10040290
call fcn.1002eae1
mov dword [eax], 0xd
jmp 0x10040290
cmp eax, 2
jne 0x100402f8
or byte [ebp - 1], 0x40
jmp 0x10040301
cmp eax, 3
jne 0x10040301
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.10040acf
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x10067ce0]
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 + 0x10067ce0]
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 0x100403d6
test cl, 0x80
je 0x100404a6
test byte [ebp + 0x10], 2
je 0x100403d6
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.1003a517
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x10040395
call fcn.1002eaf4
cmp dword [eax], 0x83
je 0x100403d6
push dword [esi]
call fcn.1003aa3e
jmp 0x1004028f
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.1003bfab
add esp, 0xc
test eax, eax
jne 0x100403c6
cmp byte [ebp - 4], 0x1a
jne 0x100403c6
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.1004373e
add esp, 0xc
cmp eax, edi
je 0x10040389
push ebx
push ebx
push dword [esi]
call fcn.1003a517
add esp, 0xc
cmp eax, edi
je 0x10040389
test byte [ebp - 1], 0x80
je 0x100404a6
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x100403fe
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x100403fb
or dword [ebp + 0x10], edi
jmp 0x100403fe
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x1004044b
cmp eax, 0x10000
je 0x10040437
cmp eax, 0x14000
je 0x10040437
cmp eax, 0x20000
je 0x10040445
cmp eax, 0x24000
je 0x10040445
cmp eax, 0x40000
je 0x10040431
cmp eax, 0x44000
jne 0x1004044e
mov byte [ebp - 2], 1
jmp 0x1004044e
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x1004044e
mov byte [ebp - 2], 2
jmp 0x1004044e
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x100404a6
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x100404a6
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x10040600
cmp eax, 0x80000000
je 0x100405c7
cmp eax, ecx
jne 0x100404a6
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x100404a6
cmp eax, 2
jbe 0x100406a8
cmp eax, 4
jbe 0x10040599
cmp eax, 5
je 0x100406a8
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10067ce0]
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 + 0x10067ce0]
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 0x10040518
test byte [ebp + 0x10], 8
je 0x10040518
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10067ce0]
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 0x10040727
test byte [ebp + 0x10], 1
je 0x10040727
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
jne 0x10040710
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.1002eb07
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10067ce0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.10040b4c
pop ecx
jmp 0x1004028f
push 2
push ebx
push ebx
push dword [esi]
call fcn.1003f945
add esp, 0x10
or eax, edx
je 0x100406a8
push ebx
push ebx
push ebx
push dword [esi]
call fcn.1003f945
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x10040389
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.1003bfab
add esp, 0xc
cmp eax, 0xffffffff
je 0x10040389
cmp eax, 2
je 0x1004064c
cmp eax, 3
jne 0x1004069a
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x1004064c
mov byte [ebp - 2], 1
jmp 0x100404a6
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x100404a6
cmp eax, 2
jbe 0x100406a8
cmp eax, 4
ja 0x1004049d
push 2
push ebx
push ebx
push dword [esi]
call fcn.1003f945
add esp, 0x10
or eax, edx
je 0x100406a8
push ebx
push ebx
push ebx
push dword [esi]
call fcn.1003f945
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x100404a6
jmp 0x10040389
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x10040674
push dword [esi]
call fcn.1003aa3e
pop ecx
call fcn.1002eae1
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x10040729
cmp eax, 0xfeff
jne 0x1004069a
push ebx
push 2
push dword [esi]
call fcn.1003a517
add esp, 0xc
cmp eax, 0xffffffff
je 0x10040389
mov byte [ebp - 2], 2
jmp 0x100404a6
push ebx
push ebx
push dword [esi]
call fcn.1003a517
add esp, 0xc
jmp 0x1004063e
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x100406c8
dec eax
jne 0x100404a6
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x100406d6
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.1003b838
add esp, 0xc
cmp eax, 0xffffffff
je 0x100406fc
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x100406d6
jmp 0x100404a6
push dword [esi]
call fcn.1003aa3e
pop ecx
call fcn.1002eae1
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x10040729
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10067ce0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret