joyce8/EMBER2024-capa huggingface dataset:
Function at 0x404de5
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1a4
mov edx, dword [ebp + 8]
xor ecx, ecx
mov eax, 0x408688
cmp edx, dword [eax]
je 0x404e07
add eax, 8
inc ecx
cmp eax, 0x408718
jl 0x404df8
push esi
mov esi, ecx
shl esi, 3
cmp edx, dword [esi + 0x408688]
jne 0x404f35
mov eax, dword [0x408a48]
cmp eax, 1
je 0x404f0f
test eax, eax
jne 0x404e38
cmp dword [0x4085d4], 1
je 0x404f0f
cmp edx, 0xfc
je 0x404f35
lea eax, [ebp - 0x1a4]
push 0x104
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
test eax, eax
jne 0x404e6f
lea eax, [ebp - 0x1a4]
push str._program_name_unknown_
push eax
call fcn.004032f0
pop ecx
pop ecx
lea eax, [ebp - 0x1a4]
push edi
push eax
lea edi, [ebp - 0x1a4]
call fcn.004033f0
inc eax
pop ecx
cmp eax, 0x3c
jbe 0x404eb2
lea eax, [ebp - 0x1a4]
push eax
call fcn.004033f0
mov edi, eax
lea eax, [ebp - 0x1a4]
sub eax, 0x3b
push 3
add edi, eax
push 0x4065d0
push edi
call fcn.00405720
add esp, 0x10
lea eax, [ebp - 0xa0]
push str.Runtime_Error__n_nProgram:
push eax
call fcn.004032f0
lea eax, [ebp - 0xa0]
push edi
push eax
call fcn.00403300
lea eax, [ebp - 0xa0]
push 0x4065b0
push eax
call fcn.00403300
push dword [esi + 0x40868c]
lea eax, [ebp - 0xa0]
push eax
call fcn.00403300
push 0x12010
lea eax, [ebp - 0xa0]
push str.Microsoft_Visual_C_Runtime_Library
push eax
call fcn.00405697
add esp, 0x2c
pop edi
jmp 0x404f35
lea eax, [ebp + 8]
lea esi, [esi + 0x40868c]
push 0
push eax
push dword [esi]
call fcn.004033f0
pop ecx
push eax
push dword [esi]
push 0xfffffffffffffff4
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
pop esi
leave
ret

Function at 0x4018f0
Capabilities:
Allocate or change rwx memory

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x48
test ecx, ecx
mov dword [ebp - 0xc], ebx
mov ebx, eax
mov dword [ebp - 8], esi
mov esi, edx
mov dword [ebp - 4], edi
mov edi, ecx
jne 0x401916
mov ebx, dword [ebp - 0xc]
mov esi, dword [ebp - 8]
mov edi, dword [ebp - 4]
mov esp, ebp
pop ebp
ret
lea eax, [ebp - 0x38]
mov dword [esp + 8], 0x1c
mov dword [esp + 4], eax
mov dword [esp], ebx
call sym._VirtualQuery_12
sub esp, 0xc
test eax, eax
je 0x4019aa
mov eax, dword [ebp - 0x24]
cmp eax, 4
je 0x401965
cmp eax, 0x40
je 0x401965
lea eax, [ebp - 0x1c]
mov dword [esp + 0xc], eax
mov eax, dword [ebp - 0x2c]
mov dword [esp + 8], 0x40
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x38]
mov dword [esp], eax
call sym._VirtualProtect_16
sub esp, 0x10
mov dword [esp + 8], edi
mov dword [esp + 4], esi
mov dword [esp], ebx
call sym._memcpy
mov eax, dword [ebp - 0x24]
cmp eax, 4
je 0x401909
cmp eax, 0x40
je 0x401909
lea eax, [ebp - 0x1c]
mov dword [esp + 0xc], eax
mov eax, dword [ebp - 0x1c]
mov dword [esp + 8], eax
mov eax, dword [ebp - 0x2c]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x38]
mov dword [esp], eax
call sym._VirtualProtect_16
sub esp, 0x10
jmp 0x401909
mov dword [esp + 8], 0x34
mov dword [esp + 4], str..._.._runtime_pseudo_reloc.c
mov dword [esp], str.VirtualQuery__addr__b__sizeof_b__
call sym.__assert
lea esi, [esi]
lea edi, [edi]
Function at 0x404f00
Capabilities:
Set current directory

Disassembly:
push 0xffffffffffffffff
push 0x41f3cb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x114
mov ecx, dword [0x42909c]
push esi
lea eax, [esp + 4]
push edi
push eax
call fcn.00407800
mov esi, eax
mov eax, dword [esi + 8]
mov edx, dword [esi]
xor edi, edi
push eax
mov ecx, esi
mov dword [esp + 0x128], edi
call dword [edx + 4]
mov edx, dword [esp + 0x12c]
mov esi, dword [esi + 4]
lea ecx, [esp + 0x18]
push 0x104
push ecx
push edx
push esi
call fcn.00404de0
mov esi, eax
mov eax, dword [esp + 0x1c]
add esp, 0x10
cmp eax, edi
mov dword [esp + 8], 0x4211f8
mov dword [esp + 0xc], edi
mov dword [esp + 0x10], edi
mov dword [esp + 0x14], edi
je 0x404f88
push eax
call fcn.004120fe
add esp, 4
cmp esi, edi
jbe 0x404f9f
cmp esi, 0x104
jae 0x404f9f
lea eax, [esp + 0x18]
push eax
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
mov ecx, dword [esp + 0x11c]
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x120
ret
Function at 0x4062e0
Capabilities:
Query or enumerate registry value

Disassembly:
push 0xffffffffffffffff
push 0x41f5f7
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x1c
push ebx
push esi
mov dword [esp + 0xc], 0
call fcn.004062d0
mov ebx, eax
test ebx, ebx
jne 0x406338
mov eax, dword [esp + 0x3c]
mov esi, dword [esp + 0x34]
push 0xffffffffffffffff
push eax
mov ecx, esi
call fcn.004026d0
mov dword [esi], 0x421208
mov eax, esi
pop esi
pop ebx
mov ecx, dword [esp + 0x1c]
mov dword fs:[0], ecx
add esp, 0x28
ret
push ebp
push edi
push 0
push 0
lea ecx, [esp + 0x24]
call fcn.004024b0
push 0
push 0
lea ecx, [esp + 0x24]
mov dword [esp + 0x3c], 1
mov dword [esp + 0x24], 0x421228
call fcn.00402630
mov dword [esp + 0x1c], 0x421208
mov edi, dword [esp + 0x40]
mov ebp, dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
lea ecx, [esp + 0x10]
lea edx, [esp + 0x18]
push ecx
push 0
push edx
push 0
push edi
push ebx
mov dword [esp + 0x4c], 2
call ebp
mov esi, eax
test esi, esi
jne 0x4063ee
mov eax, dword [esp + 0x10]
mov edx, dword [esp + 0x1c]
push eax
lea ecx, [esp + 0x20]
call dword [edx + 4]
mov eax, dword [esp + 0x24]
mov edx, dword [esp + 0x1c]
push eax
lea ecx, [esp + 0x20]
call dword [edx + 4]
mov ecx, dword [esp + 0x20]
lea eax, [esp + 0x10]
push eax
lea edx, [esp + 0x1c]
push ecx
push edx
push esi
push edi
push ebx
call ebp
mov edx, dword [esp + 0x1c]
mov esi, eax
mov eax, dword [esp + 0x24]
lea ecx, [esp + 0x1c]
push eax
call dword [edx + 4]
mov edi, dword [esp + 0x20]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov dword [esp + 0x24], ecx
push ebx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
pop edi
pop ebp
test esi, esi
mov esi, dword [esp + 0x34]
push 0
push 0
mov ecx, esi
jne 0x406453
call fcn.004024b0
mov eax, dword [esp + 0x1c]
mov ecx, dword [esp + 0x18]
push eax
push ecx
mov ecx, esi
mov byte [esp + 0x34], 3
mov dword [esi], 0x421228
call fcn.00402630
mov dword [esi], 0x421208
mov dword [esp + 0xc], 1
mov dword [esp + 0x14], 0x4211f8
lea ecx, [esp + 0x14]
mov dword [esp + 0x2c], 4
call fcn.00410df0
test eax, eax
je 0x4064b8
jmp 0x4064af
call fcn.004024b0
mov ecx, dword [esp + 0x3c]
xor eax, eax
test ecx, ecx
mov byte [esp + 0x2c], 5
mov dword [esi], 0x421228
je 0x40647b
cmp byte [ecx], 0
je 0x40647b
mov dl, byte [eax + ecx + 1]
inc eax
test dl, dl
jne 0x406472
push eax
push ecx
mov ecx, esi
call fcn.00402630
mov dword [esi], 0x421208
mov dword [esp + 0xc], 1
mov dword [esp + 0x14], 0x4211f8
lea ecx, [esp + 0x14]
mov dword [esp + 0x2c], 6
call fcn.00410df0
test eax, eax
je 0x4064b8
push eax
call fcn.004120fe
add esp, 4
mov ecx, dword [esp + 0x24]
mov eax, esi
pop esi
pop ebx
mov dword fs:[0], ecx
add esp, 0x28
ret
Function at 0x4064d0
Capabilities:
Delete registry value
Set registry value

Disassembly:
push esi
push edi
mov edi, dword [esp + 0x10]
test edi, edi
jne 0x406507
call fcn.004062d0
mov esi, eax
test esi, esi
jne 0x4064e8
pop edi
pop esi
ret
mov eax, dword [esp + 0xc]
push eax
push esi
call dword [sym.imp.ADVAPI32.dll_RegDeleteValueA]
push esi
mov edi, eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
xor eax, eax
test edi, edi
pop edi
pop esi
sete al
ret
call fcn.004062d0
mov esi, eax
test esi, esi
jne 0x406515
pop edi
pop esi
ret
push edi
call dword [sym.imp.KERNEL32.dll_lstrlenA]
mov ecx, dword [esp + 0xc]
inc eax
push eax
push edi
push 1
push 0
push ecx
push esi
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
push esi
mov edi, eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
xor eax, eax
test edi, edi
pop edi
pop esi
sete al
ret
Function at 0x406900
Capabilities:
Create thread

Disassembly:
push ecx
push ebx
mov ebx, dword [esp + 0xc]
push ebp
mov ebp, dword [esp + 0x14]
push esi
lea eax, [esp + 0x20]
push edi
mov edi, dword [esp + 0x24]
push eax
push 0x10000
push edi
push ebx
push ebp
push 0
mov dword [esp + 0x28], 0
call fcn.00413bc4
mov esi, eax
add esp, 0x18
test esi, esi
jne 0x40694e
lea ecx, [esp + 0x24]
push ecx
push eax
push edi
push ebx
push ebp
push eax
call fcn.00413bc4
mov esi, eax
add esp, 0x18
test esi, esi
je 0x406974
push 0xffffffffffffffff
push esi
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
lea edx, [esp + 0x10]
push edx
push esi
call dword [sym.imp.KERNEL32.dll_GetExitCodeThread]
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [esp + 0x10]
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
push edi
call ebx
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
Function at 0x408310
Capabilities:
Get common file path

Disassembly:
push 0xffffffffffffffff
push 0x41faed
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x13c
push ebx
push ebp
push esi
lea eax, [esp + 0x44]
push edi
push eax
mov esi, ecx
push 0x104
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryA]
mov edx, dword [esi + 0x34]
add esi, 0x34
xor ebp, ebp
mov ecx, esi
push ebp
call dword [edx + 4]
lea eax, [esp + 0x48]
push 0xffffffffffffffff
push eax
lea ecx, [esp + 0x18]
call fcn.00402800
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x14]
push ecx
push edx
mov ecx, esi
mov dword [esp + 0x15c], ebp
call fcn.00402630
lea eax, [esp + 0x28]
push 1
push eax
mov ecx, esi
mov dword [esp + 0x15c], 0xffffffff
call fcn.0040b730
mov edi, eax
push 0xffffffffffffffff
push 0x425538
lea ecx, [esp + 0x18]
mov dword [esp + 0x15c], 1
call fcn.00402800
lea ecx, [esp + 0x10]
mov byte [esp + 0x154], 2
push ecx
mov ecx, edi
call fcn.00407c00
cmp eax, ebp
mov byte [esp + 0x154], 1
je 0x408444
lea edx, [esp + 0x38]
push 1
push edx
mov ecx, esi
call fcn.0040b730
mov edi, eax
push 0xffffffffffffffff
push str.___
lea ecx, [esp + 0x18]
mov byte [esp + 0x15c], 3
call fcn.00402800
lea eax, [esp + 0x10]
mov ecx, edi
push eax
mov byte [esp + 0x158], 4
call fcn.00407c00
cmp eax, ebp
mov dword [esp + 0x38], 0x4211f8
setne bl
lea ecx, [esp + 0x38]
mov byte [esp + 0x154], 5
call fcn.00410df0
cmp eax, ebp
je 0x408434
push eax
call fcn.004120fe
add esp, 4
test bl, bl
mov dword [esp + 0x38], 0x421224
je 0x408444
mov bl, 1
jmp 0x408446
xor bl, bl
mov eax, dword [esp + 0x2c]
mov dword [esp + 0x154], 0xffffffff
cmp eax, ebp
mov dword [esp + 0x28], 0x4211f8
mov dword [esp + 0x2c], ebp
mov dword [esp + 0x30], ebp
mov dword [esp + 0x34], ebp
je 0x408476
push eax
call fcn.004120fe
add esp, 4
test bl, bl
je 0x4084cd
push 0xffffffffffffffff
push str.___
lea ecx, [esp + 0x24]
call fcn.00402940
mov eax, dword [esp + 0x24]
mov ecx, dword [esp + 0x20]
cmp eax, 0xffffffff
mov dword [esp + 0x1c], 0x421250
jne 0x4084b9
xor eax, eax
cmp ecx, ebp
mov dword [esp + 0x24], eax
je 0x4084b9
cmp byte [ecx], 0
je 0x4084b9
inc eax
mov dword [esp + 0x24], eax
cmp byte [ecx + eax], 0
jne 0x4084ae
push eax
push ecx
mov ecx, esi
mov dword [esp + 0x15c], 6
call fcn.00402630
mov ecx, dword [esp + 0x14c]
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x148
ret
Function at 0x40be90
Capabilities:
Get file size
Read file via mapping

Disassembly:
push 0xffffffffffffffff
push 0x420371
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x11c
push ebx
push ebp
push esi
push edi
mov edi, dword [ecx + 0x54]
lea eax, [esp + 0x28]
push 0x104
push eax
push 0
mov dword [esp + 0x30], ecx
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 0
push 0x80
push 3
push 0
push 3
lea ecx, [esp + 0x3c]
push 0x80000000
push ecx
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov ebp, eax
push 0
push ebp
call dword [sym.imp.KERNEL32.dll_GetFileSize]
push 0
push 0
push 0
push 2
push 0
push ebp
mov esi, eax
call dword [sym.imp.KERNEL32.dll_CreateFileMappingA]
push esi
push 0
push 0
push 4
push eax
mov dword [esp + 0x34], eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov ebx, eax
add edi, 0xfffffffc
push 0
push 0
mov esi, dword [edi + ebx]
lea ecx, [esp + 0x18]
call fcn.00402940
xor eax, eax
lea ecx, [esp + 0x10]
push eax
push eax
mov dword [esp + 0x13c], eax
mov dword [esp + 0x18], 0x4211f8
mov dword [esp + 0x24], eax
call fcn.00402630
push 0
push 0
lea ecx, [esp + 0x18]
mov dword [esp + 0x13c], 1
mov dword [esp + 0x18], 0x421228
call fcn.00402630
mov dword [esp + 0x10], 0x421208
mov eax, dword [esp + 0x1c]
lea ecx, [esi + 1]
cmp ecx, eax
mov dword [esp + 0x134], 2
jle 0x40bfc4
cmp eax, 8
jge 0x40bf96
mov eax, 8
mov dword [esp + 0x1c], eax
cmp ecx, eax
jle 0x40bfb2
add eax, eax
cmp ecx, eax
mov dword [esp + 0x1c], eax
jle 0x40bfb2
lea eax, [ecx + 0xb]
mov edx, eax
and edx, 7
sub eax, edx
mov dword [esp + 0x1c], eax
push eax
mov eax, dword [esp + 0x18]
push eax
call fcn.00412430
add esp, 8
mov dword [esp + 0x14], eax
mov ecx, dword [esp + 0x14]
push esi
mov byte [ecx + esi], 0
mov edx, dword [esp + 0x14]
lea ecx, [esp + 0x14]
mov dword [esp + 0x1c], esi
call dword [edx + 4]
mov eax, dword [esp + 0x14]
sub edi, esi
add edi, ebx
push esi
push edi
push eax
call fcn.00414230
mov edx, dword [esp + 0x30]
lea ecx, [esp + 0x1c]
push ecx
push edx
call fcn.0040c650
add esp, 0x14
push ebx
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
mov eax, dword [esp + 0x20]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
push eax
call esi
push ebp
call esi
mov eax, dword [esp + 0x14]
xor ecx, ecx
pop edi
pop esi
pop ebp
cmp eax, ecx
mov dword [esp + 4], 0x4211f8
mov dword [esp + 8], ecx
mov dword [esp + 0xc], ecx
mov dword [esp + 0x10], ecx
pop ebx
je 0x40c040
push eax
call fcn.004120fe
add esp, 4
mov ecx, dword [esp + 0x11c]
mov dword fs:[0], ecx
add esp, 0x128
ret
Function at 0x40c590
Capabilities:
Get file size

Disassembly:
sub esp, 0x12c
push ebx
push ebp
push esi
mov ebx, ecx
push edi
mov ecx, 5
mov esi, 0x425748
lea edi, [esp + 0x20]
rep movsd dword es:[edi], dword [esi]
lea eax, [esp + 0x20]
push 0x16
push eax
movsw word es:[edi], word [esi]
call fcn.00405400
mov ebp, dword [eax]
add esp, 8
lea ecx, [esp + 0x38]
push 0x104
push ecx
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 0
push 0x80
push 3
push 0
push 3
lea edx, [esp + 0x4c]
push 0x80000000
push edx
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
push edi
mov esi, eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
lea ecx, [esp + 0x10]
call fcn.0040d620
mov ecx, dword [eax + 8]
mov eax, dword [esp + 0x14]
sub esi, ecx
xor ecx, ecx
sub esi, ebp
pop edi
sub esi, 0x10
cmp eax, ecx
mov dword [ebx + 0x54], esi
pop esi
pop ebp
mov dword [esp + 4], 0x4211f8
mov dword [esp + 8], ecx
mov dword [esp + 0xc], ecx
mov dword [esp + 0x10], ecx
pop ebx
je 0x40c643
push eax
call fcn.004120fe
add esp, 4
add esp, 0x12c
ret
Function at 0x40d620
Capabilities:
Get file size
Read file via mapping

Disassembly:
push 0xffffffffffffffff
push 0x4205f6
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x124
push ebx
push ebp
push esi
xor ebx, ebx
push edi
mov ebp, ecx
push ebx
push ebx
mov dword [esp + 0x20], ebp
call fcn.00402940
push ebx
push ebx
mov ecx, ebp
mov dword [esp + 0x144], ebx
mov dword [ebp], 0x4211f8
mov dword [ebp + 0xc], ebx
call fcn.00402630
push ebx
push ebx
mov ecx, ebp
mov dword [esp + 0x144], 1
mov dword [ebp], 0x421228
call fcn.00402630
mov edi, 0x42580c
or ecx, 0xffffffff
xor eax, eax
mov dword [ebp], 0x421280
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x11]
mov eax, ecx
mov esi, edi
mov edi, edx
mov byte [esp + 0x10], 0x50
shr ecx, 2
mov byte [esp + 0x11], bl
mov byte [esp + 0x12], bl
mov byte [esp + 0x13], bl
mov byte [esp + 0x14], bl
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
push 0x104
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea ecx, [esp + 0x34]
push ecx
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push ebx
push 0x80
push 3
push ebx
push 3
lea edx, [esp + 0x44]
push 0x80000000
push edx
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
push ebx
push edi
mov dword [esp + 0x20], edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
push ebx
push ebx
push ebx
push 2
push ebx
push edi
mov esi, eax
call dword [sym.imp.KERNEL32.dll_CreateFileMappingA]
push esi
push ebx
push ebx
push 4
push eax
mov dword [esp + 0x30], eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov ecx, eax
mov eax, 0x51eb851f
mov dword [esp + 0x20], ecx
mul esi
shr edx, 5
cmp edx, 0xc800
jae 0x40d73b
mov edx, 0xc800
mov eax, esi
sub eax, edx
sub eax, 0x16
jns 0x40d746
xor eax, eax
sub esi, eax
add ecx, eax
mov dword [esp + 0x28], ecx
lea edi, [esi - 0x16]
cmp edi, ebx
jl 0x40d7de
lea eax, [ecx + edi]
mov edx, dword [eax]
lea ecx, [esp + 0x10]
cmp edx, dword [ecx]
je 0x40d76e
dec edi
dec eax
cmp edi, ebx
jge 0x40d75c
jmp 0x40d7de
mov ecx, dword [ebp + 0xc]
sub esi, edi
sub esi, 0x16
lea eax, [esi + 1]
cmp eax, ecx
jle 0x40d7ba
cmp ecx, 8
jge 0x40d789
mov dword [ebp + 0xc], 8
mov ecx, dword [ebp + 0xc]
cmp eax, ecx
jle 0x40d795
add ecx, ecx
mov dword [ebp + 0xc], ecx
cmp eax, dword [ebp + 0xc]
jle 0x40d7a7
add eax, 0xb
mov edx, eax
and edx, 7
sub eax, edx
mov dword [ebp + 0xc], eax
mov eax, dword [ebp + 0xc]
mov ecx, dword [ebp + 4]
push eax
push ecx
call fcn.00412430
add esp, 8
mov dword [ebp + 4], eax
mov edx, dword [ebp + 4]
mov eax, dword [esp + 0x28]
mov ecx, esi
mov byte [esi + edx], bl
mov dword [ebp + 8], esi
mov edx, ecx
lea esi, [eax + edi + 0x16]
mov edi, dword [ebp + 4]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov eax, dword [esp + 0x20]
push eax
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
mov ecx, dword [esp + 0x1c]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
push ecx
call esi
mov edx, dword [esp + 0x18]
push edx
call esi
mov ecx, dword [esp + 0x134]
pop edi
mov eax, ebp
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x130
ret
Function at 0x40d870
Capabilities:
Access peb ldr_data
Get file size
Read file via mapping

Disassembly:
push 0xffffffffffffffff
push 0x42060b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x190
push ebx
push ebp
push esi
push edi
lea ecx, [esp + 0x10]
call fcn.0040d620
mov eax, dword [eax + 8]
mov edx, dword [esp + 0x1b0]
add edx, eax
mov eax, dword [esp + 0x14]
xor ebx, ebx
mov dword [esp + 0x1b0], edx
cmp eax, ebx
mov dword [esp + 0x10], 0x4211f8
mov dword [esp + 0x14], ebx
mov dword [esp + 0x18], ebx
mov dword [esp + 0x1c], ebx
je 0x40d8d2
push eax
call fcn.004120fe
add esp, 4
lea eax, [esp + 0x9c]
push 0x104
push eax
push ebx
mov dword [esp + 0x1c], 0x421224
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push ebx
push 0x80
push 3
push ebx
push 3
lea ecx, [esp + 0xb0]
push 0x80000000
push ecx
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
push ebx
push ebx
push ebx
push 2
push ebx
push edi
mov esi, eax
call dword [sym.imp.KERNEL32.dll_CreateFileMappingA]
push esi
push ebx
mov ebp, eax
push ebx
push 4
push ebp
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov ecx, dword [esp + 0x1b0]
mov ebx, eax
sub esi, ecx
lea ecx, [esp + 0x40]
sub esi, 0x10
call fcn.0041dfe0
push esi
push ebx
lea ecx, [esp + 0x48]
mov dword [esp + 0x1b0], 0
call fcn.0041e0e0
mov edx, dword [esp + 0x1b0]
add esi, ebx
push edx
lea ecx, [esp + 0x44]
lea eax, [esi + 0x10]
push eax
call fcn.0041e0e0
lea ecx, [esp + 0x30]
push ecx
lea ecx, [esp + 0x44]
call fcn.0041e070
mov edx, dword [esi]
mov eax, dword [esi + 4]
mov ecx, dword [esi + 8]
mov dword [esp + 0x20], edx
mov edx, dword [esi + 0xc]
push ebx
mov dword [esp + 0x28], eax
mov dword [esp + 0x2c], ecx
mov dword [esp + 0x30], edx
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebp
call esi
push edi
call esi
mov ecx, 4
lea edi, [esp + 0x30]
lea esi, [esp + 0x20]
xor eax, eax
repe cmpsd dword [esi], dword es:[edi]
pop edi
pop esi
sete al
pop ebp
mov ecx, dword [esp + 0x194]
pop ebx
mov dword fs:[0], ecx
add esp, 0x19c
ret

Function at 0x40da10
Capabilities:
Check os version

Disassembly:
sub esp, 0x94
lea eax, [esp]
mov dword [esp], 0x94
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
test eax, eax
je 0x40da47
cmp dword [esp + 0x10], 2
jne 0x40da47
cmp dword [esp + 4], 6
jb 0x40da47
mov eax, 1
add esp, 0x94
ret
xor eax, eax
add esp, 0x94
ret

Function at 0x40e0b0
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [esp + 4]
push eax
mov eax, dword [esp + 0x10]
and eax, 0xff
push ecx
mov edx, eax
shl edx, 5
sub edx, eax
push edx
call fcn.0040e060
mov dword [esp + 0x14], eax
add esp, 0xc
xor al, al
xor ecx, ecx
mov dl, byte [esp + ecx + 8]
xor al, dl
inc ecx
cmp ecx, 4
jb 0x40e0db
ret
Function at 0x40e990
Capabilities:
Write file on windows

Disassembly:
mov al, byte [0x429190]
sub esp, 8
test al, 1
push esi
mov esi, dword [esp + 0x10]
push edi
mov edi, dword [esp + 0x18]
jne 0x40e9b9
or al, 1
push edi
mov byte [0x429190], al
mov eax, dword [esi]
push esi
call dword [eax + 0x7c]
mov dword [0x42918c], eax
mov cl, byte [0x429190]
mov al, 2
test al, cl
jne 0x40e9ec
mov edx, dword [0x42918c]
or cl, al
push 0x425400
mov byte [0x429190], cl
mov ecx, dword [esi]
push 0x425894
push edx
push esi
call dword [ecx + 0x178]
mov dword [0x429188], eax
mov ecx, dword [0x429188]
mov eax, dword [esi]
push ecx
push edi
push esi
call dword [eax + 0x194]
lea ecx, [esp + 0x14]
push 0
mov dword [esp + 0x10], edx
mov dl, byte [esp + 0x20]
mov byte [esp + 0x1c], dl
push ecx
lea edx, [esp + 0x20]
push 1
push edx
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
pop edi
pop esi
add esp, 8
ret 0xc

Function at 0x40f040
Capabilities:
Create thread

Disassembly:
push 0
push 0
push ecx
push 0x40ef70
push 0
push 0
call fcn.00413bc4
add esp, 0x18
ret
Function at 0x41e255
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push dword [esp + 4]
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x41e275
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00417ebe
pop ecx
or eax, 0xffffffff
ret
test al, 1
je 0x41e298
test byte [esp + 8], 2
je 0x41e298
call fcn.00417f31
mov dword [eax], 0xd
call fcn.00417f3a
mov dword [eax], 5
jmp 0x41e271
xor eax, eax
ret
Function at 0x402b7c
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ebx
xor ebx, ebx
imul edx, dword [ebx + 0x4be008], 0x8088405
inc edx
mov dword [ebx + 0x4be008], edx
mul edx
mov eax, edx
pop ebx
ret

Function at 0x402fd4
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
movzx eax, word [0x4be024]
mov dword [ebp - 8], eax
lea eax, [ebp - 4]
push eax
push 1
push 0
push 0x40306c
push 0x80000002
call sub.advapi32.dll_RegOpenKeyExA
test eax, eax
jne 0x40304c
xor eax, eax
push ebp
push 0x403045
push dword fs:[eax]
mov dword fs:[eax], esp
mov dword [ebp - 0xc], 4
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 8]
push eax
push 0
push 0
push 0x403088
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegQueryValueExA
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x40304c
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegCloseKey
ret
mov ax, word [0x4be024]
and ax, 0xffc0
mov dx, word [ebp - 8]
and dx, 0x3f
or ax, dx
mov word [0x4be024], ax
mov esp, ebp
pop ebp
ret

Function at 0x403d38
Capabilities:
Write file on windows

Disassembly:
push ecx
cmp byte [0x4c104c], 0
je 0x403d99
cmp word [0x4c1220], 0xd7b2
jne 0x403d61
cmp dword [0x4c1228], 0
jbe 0x403d61
mov eax, 0x4c121c
call dword [0x4c1238]
push 0
lea eax, [esp + 4]
push eax
push 0x1e
push 0x4be070
push 0xfffffffffffffff5
call sub.kernel32.dll_GetStdHandle
push eax
call sub.kernel32.dll_WriteFile
push 0
lea eax, [esp + 4]
push eax
push 2
push 0x403dc0
push 0xfffffffffffffff5
call sub.kernel32.dll_GetStdHandle
push eax
call sub.kernel32.dll_WriteFile
pop edx
ret
cmp byte [0x4be034], 0
jne 0x403db5
push 0
push 0x4be068
push 0x4be070
push 0
call sub.user32.dll_MessageBoxA
pop edx
ret