Function at 0x10003e42
Capabilities:
Encode data using xor
Read file on windows
Read pipe
Write file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
mov eax, 0x1003c
call fcn.10055ca0
mov eax, dword [0x1006d040]
xor eax, esp
mov dword [esp + 0x10038], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
mov edi, ecx
mov dword [esp + 0x14], eax
mov eax, dword [edi + 4]
cmp eax, 3
je case.0x10003e3b.4
cmp eax, 1
jne 0x100041d1
mov ebx, dword [sym.imp.KERNEL32.dll_CloseHandle]
mov esi, dword [edi]
test esi, esi
je 0x100040fc
mov eax, dword [esi + 4]
cmp eax, 0xffffffff
je 0x100040fc
push 0
lea ecx, [esp + 0x10]
mov dword [esp + 0x10], 0
push ecx
push 0
push 0
push 0
push eax
call dword [sym.imp.KERNEL32.dll_PeekNamedPipe]
test eax, eax
je 0x100040ed
cmp dword [esp + 0xc], 8
jb 0x100040fc
push 0
lea eax, [esp + 0x14]
mov dword [esp + 0x14], 0
push eax
push 8
lea eax, [esp + 0x24]
push eax
push dword [esi + 4]
call dword [sym.imp.KERNEL32.dll_ReadFile]
cmp eax, 1
jne 0x100040ed
mov ebx, dword [esp + 0x1c]
test ebx, ebx
je 0x10003e2e
mov esi, dword [edi]
test esi, esi
je 0x10003ee9
mov eax, dword [esi + 4]
cmp eax, 0xffffffff
je 0x10003ee9
push 0
lea ecx, [esp + 0x10]
mov dword [esp + 0x10], 0
push ecx
push 0
push 0
push 0
push eax
call dword [sym.imp.KERNEL32.dll_PeekNamedPipe]
test eax, eax
je 0x10003ed5
cmp dword [esp + 0xc], ebx
jb 0x10003ee9
push 0
lea eax, [esp + 0x14]
mov dword [esp + 0x14], 0
push eax
push ebx
lea eax, [esp + 0x2c]
push eax
push dword [esi + 4]
call dword [sym.imp.KERNEL32.dll_ReadFile]
cmp eax, 1
jne 0x10003ed5
mov eax, dword [esp + 0x1c]
mov byte [esp + eax + 0x20], 0
mov ebx, dword [esp + 0x1c]
mov eax, dword [esp + 0x18]
cmp eax, 4
ja case.0x10003e3b.0
jmp dword [eax*4 + 0x100041ec]
mov dword [esp + 0x18], 4
add ebx, 8
je case.0x10003e3b.4
mov eax, dword [edi]
test eax, eax
je 0x10003e92
mov eax, dword [eax + 4]
cmp eax, 0xffffffff
je 0x10003e92
push 0
lea ecx, [esp + 0x10]
mov dword [esp + 0x10], 0
push ecx
push ebx
lea ecx, [esp + 0x24]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
cmp eax, 1
jne 0x10003e92
cmp dword [esp + 0xc], ebx
mov ebx, dword [sym.imp.KERNEL32.dll_CloseHandle]
je 0x10003d41
mov ecx, dword [edi + 0xc]
test ecx, ecx
je 0x10003eb2
mov eax, dword [edi + 4]
cmp eax, 3
je 0x10003ea6
cmp eax, 1
jne 0x10003eb2
lea eax, [edi + 0x54]
push eax
push dword [edi + 0x50]
call ecx
add esp, 8
mov esi, dword [edi]
mov ebx, dword [sym.imp.KERNEL32.dll_CloseHandle]
push dword [esi + 4]
call ebx
mov dword [esi + 4], 0xffffffff
mov byte [esi], 0
mov dword [edi + 4], 0
jmp 0x10003d41
push dword [esi + 4]
mov eax, dword [sym.imp.KERNEL32.dll_CloseHandle]
call eax
mov byte [esi], 0
mov dword [esi + 4], 0xffffffff
movaps xmm0, xmmword [0x100686d0]
xor ecx, ecx
mov dword [edi + 0x50], 2
movups xmmword [esp + 0x1002c], xmm0
mov dword [esp + 0x1003c], 0x404d594c
mov word [esp + 0x10040], 0x4b
mov byte [esp + 0x10042], 1
nop
lea eax, [ecx + 0x1a]
xor byte [esp + ecx + 0x1002c], al
inc ecx
cmp ecx, 0x15
jb 0x10003f20
cmp byte [esp + 0x1002c], 0
lea ebx, [edi + 0x54]
mov byte [esp + 0x10042], 0
lea ecx, [esp + 0x1002c]
mov edx, ebx
je 0x10004195
mov esi, 1
mov eax, ecx
sub esi, eax
nop dword [eax + eax]
lea eax, [esi + ecx]
cmp eax, 0x100
jae 0x10004195
mov al, byte [ecx]
inc ecx
mov byte [edx], al
inc edx
cmp byte [ecx], 0
jne 0x10003f60
jmp 0x10004195
mov ebx, dword [esp + 0x14]
lea eax, [esp + 0x20]
push eax
mov ecx, ebx
call fcn.10004230
test ebx, ebx
je 0x10003fc8
push str.code
lea eax, [esp + 0x14]
mov ecx, ebx
push eax
call fcn.10003250
mov ecx, dword [ebx]
lea esi, [ebx + 8]
mov eax, dword [esp + 0x10]
shl ecx, 5
add ecx, dword [esi]
cmp eax, ecx
je 0x10003fc8
mov cl, byte [eax + 0x1e]
shr cl, 5
test cl, 1
je 0x10003fc8
mov eax, dword [eax + 0x10]
mov dword [edi + 0x50], eax
jmp 0x10003fd6
mov dword [edi + 0x50], 0
lea esi, [ebx + 8]
test ebx, ebx
je 0x1000401c
push str.message
lea eax, [esp + 0x14]
mov ecx, ebx
push eax
call fcn.10003250
mov ecx, dword [ebx]
mov eax, dword [esp + 0x10]
shl ecx, 5
add ecx, dword [esi]
cmp eax, ecx
je 0x1000401c
mov cx, word [eax + 0x1e]
shr cx, 0xa
test cl, 1
je 0x1000401c
lea ecx, [eax + 0x10]
mov eax, 0x1000
test word [ecx + 0xe], ax
jne 0x10004014
mov ecx, dword [ecx + 8]
mov eax, ecx
test ecx, ecx
je 0x1000404a
jmp 0x10004023
mov eax, 0x10058583
mov ecx, eax
cmp byte [eax], 0
lea edx, [edi + 0x54]
je 0x10004047
mov esi, 1
sub esi, eax
lea eax, [esi + ecx]
cmp eax, 0x100
jae 0x10004047
mov al, byte [ecx]
inc ecx
mov byte [edx], al
inc edx
cmp byte [ecx], 0
jne 0x10004032
mov byte [edx], 0
mov ecx, dword [edi + 0xc]
test ecx, ecx
je 0x100041b5
mov eax, dword [edi + 4]
cmp eax, 3
je 0x10004066
cmp eax, 1
jne 0x100041b5
lea eax, [edi + 0x54]
push eax
jmp 0x100041ad
mov ecx, dword [esp + 0x14]
lea eax, [esp + 0x20]
push eax
call fcn.10004230
mov al, 1
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x10038]
xor ecx, esp
call fcn.10052006
mov esp, ebp
pop ebp
ret 4
mov ecx, str.Bad_ipc_frame
mov dword [edi + 0x50], 2
mov esi, 1
lea edx, [edi + 0x54]
sub esi, ecx
nop dword [eax]
lea eax, [esi + ecx]
cmp eax, 0x100
jae 0x100040c5
mov al, byte [ecx]
inc ecx
mov byte [edx], al
inc edx
cmp byte [ecx], 0
jne 0x100040b0
mov byte [edx], 0
mov ecx, dword [edi + 0xc]
test ecx, ecx
je 0x100041b5
mov eax, dword [edi + 4]
cmp eax, 3
je 0x10004066
cmp eax, 1
jne 0x100041b5
lea eax, [edi + 0x54]
push eax
jmp 0x100041ad
push dword [esi + 4]
call ebx
mov byte [esi], 0
mov dword [esi + 4], 0xffffffff
mov eax, dword [edi]
cmp byte [eax], 0
jne 0x100041d1
mov dword [edi + 0x50], 1
xor ecx, ecx
mov dword [esp + 0x1001c], 0x7b6d754b
mov dword [esp + 0x10020], 0x4d4d433f
mov dword [esp + 0x10024], 0x414150
mov byte [esp + 0x10028], 1
nop dword [eax]
lea eax, [ecx + 0x1b]
xor byte [esp + ecx + 0x1001c], al
inc ecx
cmp ecx, 0xb
jb 0x10004140
cmp byte [esp + 0x1001c], 0
lea ebx, [edi + 0x54]
mov byte [esp + 0x10028], 0
mov edx, ebx
je 0x10004195
lea ecx, [esp + 0x1001c]
mov esi, 1
mov eax, ecx
sub esi, eax
nop word [eax + eax]
lea eax, [esi + ecx]
cmp eax, 0x100
jae 0x10004195
mov al, byte [ecx]
inc ecx
mov byte [edx], al
inc edx
cmp byte [ecx], 0
jne 0x10004180
mov byte [edx], 0
mov ecx, dword [edi + 0xc]
test ecx, ecx
je 0x100041b5
mov eax, dword [edi + 4]
cmp eax, 3
je 0x100041ac
cmp eax, 1
jne 0x100041b5
push ebx
push dword [edi + 0x50]
call ecx
add esp, 8
mov esi, dword [edi]
push dword [esi + 4]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [esi + 4], 0xffffffff
mov byte [esi], 0
mov dword [edi + 4], 0
mov ecx, dword [esp + 0x10044]
xor al, al
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.10052006
mov esp, ebp
pop ebp
ret 4