joyce8/EMBER2024-capa huggingface dataset:
Function at 0x42594d
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 0x50
push ebx
mov ebx, dword [esp + 0x5c]
push ebp
xor ebp, ebp
push esi
test ebx, ebx
je 0x425961
mov esi, ebx
jmp 0x42596b
push 0
call dword [sym.imp.GDI32.dll_CreateCompatibleDC]
mov esi, eax
test esi, esi
je 0x425a5c
lea eax, [esp + 0x18]
push eax
push 0x18
pop eax
push eax
push dword [esp + 0x68]
call dword [sym.imp.GDI32.dll_GetObjectW]
test eax, eax
je 0x425a51
mov ebp, dword [esp + 0x1c]
lea eax, [esp + 0x30]
push edi
mov edi, dword [esp + 0x24]
push 0x2c
push 0
push eax
mov dword [esp + 0x20], ebp
call sub.MSVCRT.dll_memset
add esp, 0xc
mov dword [esp + 0x34], 0x28
xor eax, eax
mov dword [esp + 0x38], ebp
inc eax
mov dword [esp + 0x3c], edi
mov word [esp + 0x40], ax
xor ecx, ecx
push 0x18
pop eax
push ecx
push ecx
mov word [esp + 0x4a], ax
lea eax, [esp + 0x18]
push eax
push ecx
lea eax, [esp + 0x44]
mov dword [esp + 0x54], ecx
push eax
push esi
call dword [sym.imp.GDI32.dll_CreateDIBSection]
mov ebp, eax
mov dword [esp + 0x18], ebp
test ebp, ebp
je 0x425a50
push 0
lea eax, [esp + 0x38]
push eax
push dword [esp + 0x18]
push edi
push 0
push dword [esp + 0x78]
push esi
call dword [sym.imp.GDI32.dll_GetDIBits]
imul edi, dword [esp + 0x14]
test edi, edi
jle 0x425a50
mov ebx, dword [esp + 0x10]
push 3
pop ebp
movzx ecx, byte [ebx + 1]
movzx eax, byte [ebx + 2]
add eax, ecx
movzx ecx, byte [ebx]
add eax, ecx
cdq
idiv ebp
mov byte [ebx], al
mov ecx, dword [esp + 0x10]
mov byte [ecx + 1], al
mov ecx, dword [esp + 0x10]
mov byte [ecx + 2], al
mov ebx, dword [esp + 0x10]
add ebx, ebp
mov dword [esp + 0x10], ebx
dec edi
jne 0x425a19
mov ebx, dword [esp + 0x68]
mov ebp, dword [esp + 0x18]
pop edi
test ebx, ebx
jne 0x425a5c
push esi
call dword [sym.imp.GDI32.dll_DeleteDC]
pop esi
mov eax, ebp
pop ebp
pop ebx
add esp, 0x50
ret 8

Function at 0x427530
Capabilities:
Write file on windows

Disassembly:
push esi
mov esi, dword [esp + 0x10]
push edi
mov edi, dword [esp + 0xc]
mov eax, dword [edi]
test eax, eax
je 0x427562
push 0
lea ecx, [esp + 0x10]
push ecx
push esi
push dword [esp + 0x1c]
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x42755d
cmp dword [esp + 0xc], esi
je 0x427579
pop edi
xor eax, eax
pop esi
ret
mov eax, dword [edi + 4]
add eax, dword [edi + 8]
push esi
push dword [esp + 0x14]
push eax
call sub.MSVCRT.dll_memcpy
add esp, 0xc
add dword [edi + 8], esi
pop edi
mov eax, 1
pop esi
ret
Function at 0x42f712
Capabilities:
Encode data using xor

Disassembly:
push ecx
push ecx
mov edx, dword [esp + 0x2c]
push esi
mov esi, dword [esp + 0x10]
mov eax, dword [esi + 0xd4]
mov dword [esp + 4], eax
test edx, edx
je 0x42f7c8
imul eax, dword [esp + 0x1c]
mov ecx, dword [esp + 0x18]
imul ecx, dword [esp + 0x28]
push ebx
mov ebx, dword [esp + 0x24]
mov dword [esp + 0x20], eax
mov eax, dword [esp + 0x1c]
neg eax
add ecx, dword [esp + 0x18]
mov dword [esp + 0xc], eax
mov eax, dword [esp + 0x28]
push ebp
push edi
lea edi, [ecx + eax*4]
mov eax, dword [esp + 0x28]
mov ecx, dword [esi + 0xcc]
mov ebp, edi
imul ecx, ebx
add ecx, dword [esi + 0xc8]
add ecx, eax
cmp dword [esp + 0x38], 0
jle 0x42f7a8
mov edx, dword [esp + 0x38]
mov esi, dword [esp + 0x10]
mov al, byte [ebp + 2]
xor byte [ecx + 2], al
mov al, byte [ebp + 1]
xor byte [ecx + 1], al
mov al, byte [ebp]
lea ebp, [ebp + 4]
xor byte [ecx], al
add ecx, esi
dec edx
jne 0x42f783
mov edx, dword [esp + 0x3c]
mov esi, dword [esp + 0x1c]
mov eax, dword [esp + 0x28]
dec edx
inc ebx
cmp dword [esi + 0xe8], 0
mov dword [esp + 0x3c], edx
jne 0x42f7bd
add edi, dword [esp + 0x14]
jmp 0x42f7c1
add edi, dword [esp + 0x24]
test edx, edx
jne 0x42f761
pop edi
pop ebp
pop ebx
pop esi
pop ecx
pop ecx
ret 0x24

Function at 0x42fad3
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
push ecx
imul edx, dword [esp + 0x28], 3
push ebx
mov ebx, dword [esp + 0x30]
mov dword [esp + 8], edx
test ebx, ebx
je 0x42fbad
imul eax, dword [esp + 0x1c], 3
mov ecx, dword [esp + 0x18]
push ebp
mov ebp, dword [esp + 0x24]
neg ecx
push esi
mov dword [esp + 0x24], eax
mov eax, dword [esp + 0x20]
imul eax, dword [esp + 0x30]
push edi
imul edi, dword [esp + 0x30], 3
mov dword [esp + 0x10], ecx
add eax, dword [esp + 0x20]
add edi, eax
mov eax, dword [esp + 0x1c]
mov dword [esp + 0x38], edi
mov esi, dword [eax + 0xcc]
imul esi, ebp
mov dword [esp + 0x34], edi
add esi, dword [eax + 0xc8]
add esi, dword [esp + 0x28]
test edx, edx
jle 0x42fb83
mov ebp, dword [esp + 0x34]
mov ebx, 0xff
sub ebx, dword [esp + 0x40]
mov edi, edx
movzx eax, byte [esi]
movzx ecx, byte [ebp]
imul ecx, dword [esp + 0x40]
imul eax, ebx
add eax, ecx
mov ecx, 0xff
cdq
idiv ecx
inc ebp
mov byte [esi], al
inc esi
dec edi
jne 0x42fb4b
mov edi, dword [esp + 0x38]
mov ebx, dword [esp + 0x3c]
mov ebp, dword [esp + 0x2c]
mov eax, dword [esp + 0x1c]
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
dec ebx
inc ebp
cmp dword [eax + 0xe8], 0
mov dword [esp + 0x3c], ebx
mov dword [esp + 0x2c], ebp
jne 0x42fb9a
add edi, ecx
jmp 0x42fb9e
add edi, dword [esp + 0x24]
mov dword [esp + 0x38], edi
test ebx, ebx
jne 0x42fb21
pop edi
pop esi
pop ebp
pop ebx
pop ecx
pop ecx
ret 0x28
Function at 0x4301cd
Capabilities:
Encode data using xor

Disassembly:
push ecx
push ecx
push esi
mov esi, dword [esp + 0x30]
push edi
mov edi, dword [esp + 0x14]
mov eax, dword [edi + 0xd4]
mov dword [esp + 8], eax
test esi, esi
je 0x430282
imul eax, dword [esp + 0x20]
imul edx, dword [esp + 0x28], 3
push ebx
mov ebx, dword [esp + 0x28]
push ebp
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x24]
neg eax
mov dword [esp + 0x14], eax
mov eax, dword [esp + 0x24]
imul eax, dword [esp + 0x34]
add eax, dword [esp + 0x20]
add edx, eax
mov eax, dword [esp + 0x28]
mov ecx, dword [edi + 0xcc]
mov ebp, edx
imul ecx, ebx
add ecx, dword [edi + 0xc8]
add ecx, eax
cmp dword [esp + 0x38], 0
jle 0x430263
mov esi, dword [esp + 0x38]
mov edi, dword [esp + 0x10]
mov al, byte [ebp + 2]
xor byte [ecx + 2], al
mov al, byte [ebp + 1]
xor byte [ecx + 1], al
mov al, byte [ebp]
lea ebp, [ebp + 3]
xor byte [ecx], al
add ecx, edi
dec esi
jne 0x43023e
mov esi, dword [esp + 0x3c]
mov edi, dword [esp + 0x1c]
mov eax, dword [esp + 0x28]
dec esi
inc ebx
cmp dword [edi + 0xe8], 0
mov dword [esp + 0x3c], esi
jne 0x430278
add edx, dword [esp + 0x14]
jmp 0x43027c
add edx, dword [esp + 0x24]
test esi, esi
jne 0x43021c
pop ebp
pop ebx
pop edi
pop esi
pop ecx
pop ecx
ret 0x24
Function at 0x43e4b0
Capabilities:
Encode data using xor
Generate random numbers using the delphi lcg

Disassembly:
push ecx
mov eax, dword [esp + 0x18]
push esi
mov esi, dword [esp + 0x14]
cmp esi, eax
jb 0x43e4c0
mov esi, eax
test esi, esi
je 0x43e552
push ebx
mov ebx, dword [esp + 0x1c]
push ebp
mov ebp, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x18]
sub ebp, ebx
mov dword [esp + 0x10], esi
lea ecx, [ecx]
mov eax, dword [edi + 8]
mov dl, byte [ebx + ebp]
or eax, 2
mov ecx, eax
mov byte [esp + 0x20], dl
xor ecx, 1
imul ecx, eax
lea eax, [esp + 0x20]
push 1
push eax
shr ecx, 8
xor cl, dl
mov byte [ebx], cl
mov eax, dword [edi]
not eax
push eax
call fcn.0043b180
not eax
mov dword [edi], eax
movzx eax, al
add eax, dword [edi + 4]
imul eax, eax, 0x8088405
push 1
inc eax
mov dword [edi + 4], eax
mov al, byte [edi + 7]
mov byte [esp + 0x38], al
lea eax, [esp + 0x38]
push eax
mov eax, dword [edi + 8]
not eax
push eax
call fcn.0043b180
add esp, 0x18
lea ebx, [ebx + 1]
not eax
mov dword [edi + 8], eax
dec esi
jne 0x43e4e0
mov eax, dword [esp + 0x10]
pop edi
pop ebp
pop ebx
pop esi
pop ecx
ret
xor eax, eax
pop esi
pop ecx
ret

Function at 0x43e560
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
mov edi, dword [esp + 0x14]
mov dword [esi], 0x12345678
mov dword [esi + 4], 0x23456789
mov dword [esi + 8], 0x34567890
test edi, edi
je 0x43e5e5
push ebx
mov ebx, dword [esp + 0x14]
jmp 0x43e590
movzx eax, byte [ebx]
mov byte [esp + 0x10], al
lea eax, [esp + 0x10]
push 1
push eax
mov eax, dword [esi]
not eax
push eax
call fcn.0043b180
not eax
mov dword [esi], eax
movzx eax, al
add eax, dword [esi + 4]
imul eax, eax, 0x8088405
push 1
inc eax
mov dword [esi + 4], eax
movzx eax, byte [esi + 7]
mov byte [esp + 0x28], al
lea eax, [esp + 0x28]
push eax
mov eax, dword [esi + 8]
not eax
push eax
call fcn.0043b180
add esp, 0x18
lea ebx, [ebx + 1]
not eax
mov dword [esi + 8], eax
dec edi
jne 0x43e590
pop ebx
pop edi
xor eax, eax
pop esi
ret

Function at 0x4413b0
Capabilities:
Encode data using xor
Generate random numbers using the delphi lcg

Disassembly:
mov eax, dword [esp + 0x14]
push edi
mov edi, dword [esp + 0x10]
cmp edi, eax
jb 0x4413bf
mov edi, eax
test edi, edi
je 0x44143d
push ebx
mov ebx, dword [esp + 0x18]
push ebp
mov ebp, dword [esp + 0x14]
push esi
mov esi, dword [esp + 0x14]
sub ebp, ebx
mov eax, dword [esi + 8]
or eax, 2
mov ecx, eax
xor ecx, 1
imul ecx, eax
lea eax, [esp + 0x1c]
push 1
push eax
shr ecx, 8
xor cl, byte [ebx + ebp]
mov byte [ebx], cl
mov eax, dword [esi]
not eax
mov byte [esp + 0x24], cl
push eax
call fcn.0043b180
not eax
mov dword [esi], eax
movzx eax, al
add eax, dword [esi + 4]
imul eax, eax, 0x8088405
push 1
inc eax
mov dword [esi + 4], eax
mov al, byte [esi + 7]
mov byte [esp + 0x34], al
lea eax, [esp + 0x34]
push eax
mov eax, dword [esi + 8]
not eax
push eax
call fcn.0043b180
add esp, 0x18
lea ebx, [ebx + 1]
not eax
mov dword [esi + 8], eax
dec edi
jne 0x4413d4
pop esi
pop ebp
pop ebx
pop edi
ret
Function at 0x441440
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
sub esp, 0x10
cmp dword [esp + 0x24], 0xc
jae 0x441458
mov eax, dword [esp + 0x28]
mov byte [eax], 0xff
or eax, 0xffffffff
add esp, 0x10
ret
push esi
mov esi, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x24]
mov dword [esi], 0x12345678
mov dword [esi + 4], 0x23456789
mov dword [esi + 8], 0x34567890
test edi, edi
je 0x4414d5
push ebx
mov ebx, dword [esp + 0x24]
nop
movzx eax, byte [ebx]
mov byte [esp + 0x30], al
lea eax, [esp + 0x30]
push 1
push eax
mov eax, dword [esi]
not eax
push eax
call fcn.0043b180
not eax
mov dword [esi], eax
movzx eax, al
add eax, dword [esi + 4]
imul eax, eax, 0x8088405
push 1
inc eax
mov dword [esi + 4], eax
movzx eax, byte [esi + 7]
mov byte [esp + 0x1f], al
lea eax, [esp + 0x1f]
push eax
mov eax, dword [esi + 8]
not eax
push eax
call fcn.0043b180
add esp, 0x18
lea ebx, [ebx + 1]
not eax
mov dword [esi + 8], eax
dec edi
jne 0x441480
pop ebx
push 0xc
lea eax, [esp + 0x10]
push eax
push 0xc
push dword [esp + 0x34]
push esi
call fcn.004413b0
mov ecx, dword [esp + 0x44]
add esp, 0x14
mov al, byte [esp + 0x17]
pop edi
mov byte [ecx], al
xor eax, eax
pop esi
add esp, 0x10
ret
Function at 0x4485f0
Capabilities:
Terminate process

Disassembly:
push esi
push 0x24
push str.Fatal_Internal_Error_in_libarchive:
push 2
call fcn.0044e840
mov edx, dword [esp + 0x18]
add esp, 0xc
mov ecx, edx
lea esi, [ecx + 1]
jmp 0x448610
mov al, byte [ecx]
inc ecx
test al, al
jne 0x448610
sub ecx, esi
push ecx
push edx
push 2
call fcn.0044e840
push 1
push 0x4a66a0
push 2
call fcn.0044e840
add esp, 0x18
push dword [esp + 8]
call dword [sym.imp.MSVCRT.dll_exit]
pop esi
int3
Function at 0x449040
Capabilities:
Terminate process

Disassembly:
push ebx
mov ebx, dword [esp + 0xc]
push ebp
push esi
mov esi, dword [esp + 0x10]
mov eax, dword [ebx + 0x30]
push edi
mov dword [esi + 0x30], eax
mov dword [esi + 4], 0
mov edi, dword [ebx + 4]
mov ebp, dword [ebx]
lea eax, [edi + 1]
push eax
push esi
call fcn.00449ff0
add esp, 8
test eax, eax
je 0x449092
test edi, edi
je 0x449084
mov eax, dword [esi + 4]
add eax, dword [esi]
push edi
push ebp
push eax
call dword [sym.imp.MSVCRT.dll_memmove]
add esp, 0xc
add dword [esi + 4], edi
mov ecx, dword [esi + 4]
mov eax, dword [esi]
mov byte [ecx + eax], 0
jmp 0x4490a1
push str.Out_of_memory
push 1
call fcn.004485f0
add esp, 8
mov dword [esi + 0x10], 0
lea edi, [esi + 0xc]
mov eax, dword [ebx + 0xc]
mov ebp, dword [ebx + 0x10]
mov dword [esp + 0x18], eax
mov eax, dword [edi + 4]
inc eax
add eax, ebp
push eax
push edi
call fcn.00449ff0
add esp, 8
test eax, eax
je 0x4490ef
test ebp, ebp
je 0x4490e1
mov eax, dword [edi + 4]
add eax, dword [edi]
push ebp
push dword [esp + 0x1c]
push eax
call dword [sym.imp.MSVCRT.dll_memmove]
add esp, 0xc
add dword [edi + 4], ebp
mov ecx, dword [edi + 4]
mov eax, dword [edi]
mov byte [ecx + eax], 0
jmp 0x4490fe
push str.Out_of_memory
push 1
call fcn.004485f0
add esp, 8
mov dword [esi + 0x1c], 0
add esi, 0x18
mov edi, dword [ebx + 0x1c]
mov ebx, dword [ebx + 0x18]
mov eax, dword [esi + 4]
inc eax
add eax, edi
add eax, eax
push eax
push esi
call fcn.00449ff0
add esp, 8
test eax, eax
je 0x449152
test edi, edi
je 0x44913f
mov ecx, dword [esi + 4]
lea eax, [edi + edi]
push eax
mov eax, dword [esi]
push ebx
lea eax, [eax + ecx*2]
push eax
call dword [sym.imp.MSVCRT.dll_memmove]
add esp, 0xc
add dword [esi + 4], edi
xor edx, edx
mov ecx, dword [esi + 4]
mov eax, dword [esi]
pop edi
pop esi
pop ebp
mov word [eax + ecx*2], dx
pop ebx
ret
pop edi
pop esi
pop ebp
pop ebx
mov dword [esp + 8], str.Out_of_memory
mov dword [esp + 4], 1
jmp fcn.004485f0

Function at 0x449cb0
Capabilities:
Terminate process

Disassembly:
mov eax, dword [esp + 8]
push ebx
push esi
mov esi, dword [esp + 0xc]
mov ebx, dword [eax]
push edi
mov edi, dword [eax + 4]
mov eax, dword [esi + 4]
inc eax
add eax, edi
push eax
push esi
call fcn.00449ff0
add esp, 8
test eax, eax
je 0x449cf9
test edi, edi
je 0x449ce9
mov eax, dword [esi + 4]
add eax, dword [esi]
push edi
push ebx
push eax
call dword [sym.imp.MSVCRT.dll_memmove]
add esp, 0xc
add dword [esi + 4], edi
mov ecx, dword [esi + 4]
mov eax, dword [esi]
pop edi
pop esi
pop ebx
mov byte [ecx + eax], 0
ret
pop edi
pop esi
pop ebx
mov dword [esp + 8], str.Out_of_memory
mov dword [esp + 4], 1
jmp fcn.004485f0
Function at 0x44e2e0
Capabilities:
Check if file exists
Get file attributes

Disassembly:
mov eax, dword [esp + 8]
push ebx
mov ebx, dword [sym.imp.KERNEL32.dll_GetLastError]
push ebp
mov ebp, dword [esp + 0xc]
push esi
xor esi, esi
push edi
mov edi, dword [sym.imp.MSVCRT.dll__errno]
test eax, 0xffff7fff
jne 0x44e3c4
push ebp
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x44e35d
call ebx
cmp eax, 3
jne 0x44e343
push ebp
call fcn.0044e610
mov esi, eax
add esp, 4
test esi, esi
jne 0x44e337
call edi
pop edi
pop esi
pop ebp
mov dword [eax], 0x16
or eax, 0xffffffff
pop ebx
ret
push esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x44e35d
call ebx
push eax
call fcn.0044e220
push esi
call dword [sym.imp.MSVCRT.dll_free]
add esp, 8
or eax, 0xffffffff
pop edi
pop esi
pop ebp
pop ebx
ret
test al, 0x10
je 0x44e3b8
push 0
push 0x2000001
push 3
push 0
push 0
push 0
test esi, esi
je 0x44e37d
push esi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
jmp 0x44e384
push ebp
call dword [sym.imp.KERNEL32.dll_CreateFileA]
push esi
mov edi, eax
call dword [sym.imp.MSVCRT.dll_free]
add esp, 4
cmp edi, 0xffffffff
jne 0x44e3a7
call ebx
push eax
call fcn.0044e220
add esp, 4
or eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret
push 0
push edi
call dword [sym.imp.MSVCRT.dll__open_osfhandle]
add esp, 8
pop edi
pop esi
pop ebp
pop ebx
ret
test esi, esi
jne 0x44e45b
mov eax, dword [esp + 0x18]
push dword [esp + 0x1c]
push eax
push ebp
call dword [sym.imp.MSVCRT.dll__open]
mov esi, eax
add esp, 0xc
test esi, esi
jns 0x44e4e9
call edi
cmp dword [eax], 0xd
jne 0x44e431
test dword [esp + 0x18], 0x100
je 0x44e431
push ebp
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x44e40d
call ebx
push eax
call fcn.0044e220
add esp, 4
or eax, 0xffffffff
pop edi
pop esi
pop ebp
pop ebx
ret
test al, 0x10
je 0x44e421
call edi
pop edi
pop esi
pop ebp
mov dword [eax], 0x15
or eax, 0xffffffff
pop ebx
ret
call edi
pop edi
pop esi
pop ebp
mov dword [eax], 0xd
or eax, 0xffffffff
pop ebx
ret
call edi
cmp dword [eax], 2
jne 0x44e4e9
push ebp
call fcn.0044e610
mov esi, eax
add esp, 4
test esi, esi
jne 0x44e45b
call edi
pop edi
pop esi
pop ebp
mov dword [eax], 0x16
or eax, 0xffffffff
pop ebx
ret
push dword [esp + 0x1c]
mov ebp, dword [esp + 0x1c]
push ebp
push esi
call dword [sym.imp.MSVCRT.dll__wopen]
add esp, 0xc
mov dword [esp + 0x18], eax
test eax, eax
jns 0x44e4d6
call edi
cmp dword [eax], 0xd
jne 0x44e4d6
test ebp, 0x100
je 0x44e4d6
push esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x44e4af
call ebx
push eax
call fcn.0044e220
add esp, 4
push esi
call dword [sym.imp.MSVCRT.dll_free]
mov eax, dword [esp + 0x1c]
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
ret
test al, 0x10
je 0x44e4ce
call edi
push esi
mov dword [eax], 0x15
call dword [sym.imp.MSVCRT.dll_free]
mov eax, dword [esp + 0x1c]
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
ret
call edi
mov dword [eax], 0xd
push esi
call dword [sym.imp.MSVCRT.dll_free]
mov eax, dword [esp + 0x1c]
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
ret
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
ret
Function at 0x44e4f0
Capabilities:
Read file on windows

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
jns 0x44e508
call dword [sym.imp.MSVCRT.dll__errno]
mov dword [eax], 9
or eax, 0xffffffff
ret
cmp dword [esp + 0xc], 0
jne 0x44e512
xor eax, eax
ret
push eax
call dword [sym.imp.MSVCRT.dll__get_osfhandle]
add esp, 4
lea ecx, [esp + 4]
push 0
push ecx
push dword [esp + 0x14]
push dword [esp + 0x14]
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x44e57a
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xe8
jne 0x44e553
call dword [sym.imp.MSVCRT.dll__errno]
mov dword [eax], 0xb
or eax, 0xffffffff
ret
cmp eax, 0x6d
je 0x44e50f
cmp eax, 5
jne 0x44e56d
call dword [sym.imp.MSVCRT.dll__errno]
mov dword [eax], 9
or eax, 0xffffffff
ret
push eax
call fcn.0044e220
add esp, 4
or eax, 0xffffffff
ret
mov eax, dword [esp + 4]
ret

Function at 0x44e840
Capabilities:
Write file on windows

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
jns 0x44e858
call dword [sym.imp.MSVCRT.dll__errno]
mov dword [eax], 9
or eax, 0xffffffff
ret
push 0
lea ecx, [esp + 8]
push ecx
push dword [esp + 0x14]
push dword [esp + 0x14]
push eax
call dword [sym.imp.MSVCRT.dll__get_osfhandle]
add esp, 4
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
jne 0x44e8a4
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 5
jne 0x44e897
call dword [sym.imp.MSVCRT.dll__errno]
mov dword [eax], 9
or eax, 0xffffffff
ret
push eax
call fcn.0044e220
add esp, 4
or eax, 0xffffffff
ret
mov eax, dword [esp + 4]
ret

Function at 0x44eb90
Capabilities:
Create new key via cryptacquirecontext
Generate random numbers via winapi

Disassembly:
push ecx
push esi
mov esi, dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
lea eax, [esp + 4]
push 0xf0000000
push 1
push 0
push 0
push eax
call esi
test eax, eax
jne 0x44ebce
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x80090016
jne 0x44ebf7
push 8
push 1
push 0
push 0
lea eax, [esp + 0x14]
push eax
call esi
test eax, eax
je 0x44ebf7
push dword [esp + 0xc]
push dword [esp + 0x14]
push dword [esp + 0xc]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
push 0
push dword [esp + 8]
mov esi, eax
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
test esi, esi
je 0x44ebf7
xor eax, eax
pop esi
pop ecx
ret
mov eax, 0xffffffe7
pop esi
pop ecx
ret
Function at 0x477190
Capabilities:
Encode data using xor

Disassembly:
push edi
call fcn.004771d0
mov eax, dword [esp + 0x10]
mov edi, dword [esp + 0xc]
not eax
test edi, edi
je 0x4771c9
push esi
mov esi, dword [esp + 0xc]
lea esp, [esp]
movzx ecx, byte [esi]
lea esi, [esi + 1]
movzx edx, al
xor edx, ecx
shr eax, 8
xor eax, dword [edx*4 + 0x4bdc38]
dec edi
jne 0x4771b0
pop esi
not eax
pop edi
ret
Function at 0x4788f0
Capabilities:
Encode data using xor

Disassembly:
cmp byte [0x4bd0d0], 0
push ebx
push esi
push edi
jne 0x478a0e
mov byte [0x4bd0d0], 1
xor esi, esi
lea esp, [esp]
mov ecx, esi
xor eax, eax
and ecx, 1
mov edx, esi
or ecx, eax
je 0x478930
shrd edx, eax, 1
shr eax, 1
xor edx, 0xd7870f42
xor eax, 0xc96c5795
jmp 0x478936
shrd edx, eax, 1
shr eax, 1
mov ecx, edx
shrd edx, eax, 1
and ecx, 1
shr eax, 1
or ecx, 0
je 0x478951
xor edx, 0xd7870f42
xor eax, 0xc96c5795
mov ecx, edx
shrd edx, eax, 1
and ecx, 1
shr eax, 1
or ecx, 0
je 0x47896c
xor edx, 0xd7870f42
xor eax, 0xc96c5795
mov ecx, edx
shrd edx, eax, 1
and ecx, 1
shr eax, 1
or ecx, 0
je 0x478987
xor edx, 0xd7870f42
xor eax, 0xc96c5795
mov ecx, edx
shrd edx, eax, 1
and ecx, 1
shr eax, 1
or ecx, 0
je 0x4789a2
xor edx, 0xd7870f42
xor eax, 0xc96c5795
mov ecx, edx
shrd edx, eax, 1
and ecx, 1
shr eax, 1
or ecx, 0
je 0x4789bd
xor edx, 0xd7870f42
xor eax, 0xc96c5795
mov ecx, edx
shrd edx, eax, 1
and ecx, 1
shr eax, 1
or ecx, 0
je 0x4789d8
xor edx, 0xd7870f42
xor eax, 0xc96c5795
mov ecx, edx
shrd edx, eax, 1
and ecx, 1
shr eax, 1
or ecx, 0
je 0x4789f3
xor edx, 0xd7870f42
xor eax, 0xc96c5795
mov dword [esi*8 + 0x4bd0d8], edx
mov dword [esi*8 + 0x4bd0dc], eax
inc esi
cmp esi, 0x100
jb 0x478910
mov ebx, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
not ebx
mov edi, dword [esp + 0x14]
not edx
test edi, edi
je 0x478a49
mov esi, dword [esp + 0x10]
movzx eax, byte [esi]
lea esi, [esi + 1]
movzx ecx, bl
shrd ebx, edx, 8
xor ecx, eax
shr edx, 8
xor ebx, dword [ecx*8 + 0x4bd0d8]
xor edx, dword [ecx*8 + 0x4bd0dc]
dec edi
jne 0x478a26
pop edi
not ebx
not edx
pop esi
mov eax, ebx
pop ebx
ret

Function at 0x485830
Capabilities:
Query environment variable

Disassembly:
push str.EXPAT_ENTROPY_DEBUG
call dword [sym.imp.MSVCRT.dll_getenv]
add esp, 4
test eax, eax
je 0x485894
mov ecx, 0x4ad818
mov dl, byte [eax]
cmp dl, byte [ecx]
jne 0x485867
test dl, dl
je 0x485863
mov dl, byte [eax + 1]
cmp dl, byte [ecx + 1]
jne 0x485867
add eax, 2
add ecx, 2
test dl, dl
jne 0x485847
xor eax, eax
jmp 0x48586c
sbb eax, eax
or eax, 1
test eax, eax
jne 0x485894
push 4
push dword [esp + 0xc]
push 8
push dword [esp + 0x10]
push str.Entropy:__s_____0x_0lx___lu_bytes__n
call dword [sym.imp.MSVCRT.dll___p__iob]
add eax, 0x40
push eax
call dword [sym.imp.MSVCRT.dll_fprintf]
add esp, 0x18
mov eax, dword [esp + 8]
ret