joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4b30f0
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x51b99b
mov eax, dword fs:[0]
push eax
sub esp, 0x10
push ebx
push esi
push edi
mov eax, dword [0x55c2f8]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x18], edx
mov esi, ecx
push 0x34
call fcn.004d9e7d
mov ebx, eax
add esp, 4
lea edi, [ebx + 0x14]
mov dword [ebp - 0x1c], ebx
mov dword [edi + 0x10], 0
mov dword [edi + 0x14], 0xf
mov byte [edi], 0
mov dword [ebp - 4], 0xffffffff
mov ecx, dword [ebp - 0x18]
mov dword [ebx + 0x10], esi
mov esi, ecx
mov dword [ebx + 8], 0
lea edx, [esi + 1]
nop dword [eax]
mov al, byte [esi]
inc esi
test al, al
jne 0x4b3160
sub esi, edx
mov edx, dword [edi + 0x14]
mov dword [ebp - 0x1c], edx
cmp esi, edx
ja 0x4b319c
mov dword [ebp - 0x14], edi
mov eax, edi
cmp edx, 0x10
jb 0x4b3182
mov eax, dword [edi]
mov dword [ebp - 0x14], eax
push esi
push ecx
push eax
mov dword [edi + 0x10], esi
call fcn.004e6b40
mov eax, dword [ebp - 0x14]
add esp, 0xc
mov byte [esi + eax], 0
jmp 0x4b327f
cmp esi, 0x7fffffff
ja 0x4b32dd
mov ecx, esi
or ecx, 0xf
cmp ecx, 0x7fffffff
jbe 0x4b31bc
mov ecx, 0x7fffffff
jmp 0x4b31e0
mov eax, edx
shr eax, 1
mov dword [ebp - 0x14], eax
mov eax, 0x7fffffff
sub eax, dword [ebp - 0x14]
cmp edx, eax
jbe 0x4b31d6
mov ecx, 0x7fffffff
jmp 0x4b31e0
mov eax, dword [ebp - 0x14]
add eax, edx
cmp ecx, eax
cmovb ecx, eax
lea edx, [ecx + 1]
mov dword [ebp - 0x10], ecx
cmp edx, 0x1000
jb 0x4b321a
lea eax, [edx + 0x23]
or ecx, 0xffffffff
cmp eax, edx
cmovbe eax, ecx
push eax
call fcn.004d9e7d
mov ecx, eax
add esp, 4
test ecx, ecx
je 0x4b32e2
lea eax, [ecx + 0x23]
and eax, 0xffffffe0
mov dword [eax - 4], ecx
mov ecx, dword [ebp - 0x10]
jmp 0x4b322e
test edx, edx
je 0x4b322c
push edx
call fcn.004d9e7d
mov ecx, dword [ebp - 0x10]
add esp, 4
jmp 0x4b322e
xor eax, eax
push esi
push dword [ebp - 0x18]
mov dword [ebp - 0x14], eax
push eax
mov dword [edi + 0x10], esi
mov dword [edi + 0x14], ecx
call fcn.004e6320
mov eax, dword [ebp - 0x14]
add esp, 0xc
mov ecx, dword [ebp - 0x1c]
mov byte [eax + esi], 0
cmp ecx, 0x10
jb 0x4b327d
mov eax, dword [edi]
inc ecx
cmp ecx, 0x1000
jb 0x4b3270
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x4b32e2
mov eax, edx
push ecx
push eax
call fcn.004d9ead
mov eax, dword [ebp - 0x14]
add esp, 8
mov dword [edi], eax
mov eax, dword [ebp + 8]
push ebx
mov dword [ebx + 0x2c], eax
mov eax, dword [ebp + 0xc]
push 0
push 0x4b3050
mov dword [ebx + 0x30], eax
call fcn.004eacf3
add esp, 0xc
cmp eax, 0xffffffff
je 0x4b32bf
push 0
push eax
mov dword [ebx], eax
call dword [sym.imp.KERNEL32.dll_SetThreadPriority]
mov eax, ebx
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push ecx
mov ecx, ebx
call fcn.0045e840
xor ebx, ebx
mov eax, ebx
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
call fcn.00451850
call fcn.004eb90f
int3
Function at 0x4b39f0
Capabilities:
Change the wallpaper
Set registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x624
mov eax, dword [0x55c2f8]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
lea eax, [ebp - 0x624]
push eax
lea eax, [ebp - 0x620]
mov esi, edx
push eax
push 0
push 0x20006
push 0
push 0
push 0
push 0x546958
push 0x80000001
mov ebx, ecx
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyExW]
push 4
test esi, esi
mov ecx, 0x546930
mov esi, dword [sym.imp.ADVAPI32.dll_RegSetValueExW]
mov eax, 0x546954
cmove eax, ecx
push eax
push 1
push 0
push str.WallpaperStyle
push dword [ebp - 0x620]
call esi
push 4
test edi, edi
mov ecx, 0x546930
mov eax, 0x546950
cmove eax, ecx
push eax
push 1
push 0
push 0x546934
push dword [ebp - 0x620]
call esi
lea eax, [ebp - 0x61c]
push ebx
push eax
call fcn.004ad6d0
add esp, 8
lea eax, [ebp - 0x61c]
push 3
push eax
push 0
push 0x14
call dword [sym.imp.USER32.dll_SystemParametersInfoW]
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004d9e67
mov esp, ebp
pop ebp
ret

Function at 0x4b4f20
Capabilities:
Hide graphical window

Disassembly:
mov eax, dword [0x5763a4]
push esi
mov esi, ecx
test eax, eax
je 0x4b4fc3
test esi, esi
je 0x4b4f93
call fcn.00472f20
test eax, eax
jne 0x4b4f87
cmp dword [0x5c08e8], eax
je 0x4b4f6d
push 0x25
push eax
push eax
push dword [0x5c08c4]
push dword [0x5c08c0]
push eax
push dword [0x576080]
call dword [sym.imp.USER32.dll_SetWindowPos]
mov edx, dword [0x5c08c4]
call fcn.004749f0
push 1
push dword [0x576080]
call dword [sym.imp.USER32.dll_ShowWindow]
push dword [0x576080]
call dword [sym.imp.USER32.dll_UpdateWindow]
mov dword [0x5c08e8], 0
jmp 0x4b4fa1
push 0
push dword [0x576080]
call dword [sym.imp.USER32.dll_ShowWindow]
mov dword [0x5c08b4], esi
call dword [sym.imp.USER32.dll_GetForegroundWindow]
xor ecx, ecx
cmp eax, dword [0x576080]
mov eax, dword [0x5763a4]
sete cl
mov dword [0x575f18], ecx
pop esi
ret
Function at 0x4b5bb0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
cmp dword [esi + 0x34], 0xffffffff
jne 0x4b5bc7
mov eax, 0x80070006
pop esi
pop ebp
ret 0x10
mov edx, dword [ebp + 0x10]
xor eax, eax
mov ecx, dword [esi + 0x44]
push ebx
mov ebx, edx
add ebx, dword [esi + 0x38]
mov dword [ebp + 8], ebx
adc eax, dword [esi + 0x3c]
mov ebx, dword [esi + 0x40]
add ebx, dword [esi + 0x48]
adc ecx, dword [esi + 0x4c]
cmp eax, ecx
jb 0x4b5bf8
ja 0x4b5bef
cmp dword [ebp + 8], ebx
jbe 0x4b5bf8
mov edx, dword [esi + 0x40]
sub edx, dword [esi + 0x38]
add edx, dword [esi + 0x48]
mov ebx, dword [ebp + 0x14]
push 0
push ebx
push edx
push dword [ebp + 0xc]
push dword [esi + 0x34]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x4b5c27
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jle 0x4b5c32
movzx eax, ax
pop ebx
or eax, 0x80070000
pop esi
pop ebp
ret 0x10
mov eax, dword [ebx]
add dword [esi + 0x38], eax
adc dword [esi + 0x3c], 0
xor eax, eax
pop ebx
pop esi
pop ebp
ret 0x10
Function at 0x4bccd0
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x51bb4e
mov eax, dword fs:[0]
push eax
sub esp, 8
push esi
mov eax, dword [0x55c2f8]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
mov dword [ebp - 0x10], esi
call fcn.004be8d0
mov dword [ebp - 4], 0
lea eax, [esi + 0x98]
mov dword [esi], vtable.YCMFPlayer.1.0
mov dword [esi + 8], vtable.YCMFPlayer.0
mov dword [esi + 0x68], 0
mov dword [esi + 0x6c], 0x3f800000
mov dword [esi + 0x70], 0
mov dword [esi + 0x78], 0
mov dword [esi + 0x7c], 0
push 0x102
push eax
mov dword [esi + 0x80], 0
mov dword [esi + 0x84], 0x3f800000
mov dword [esi + 0x88], 0
mov dword [esi + 0x90], 0
mov dword [esi + 0x94], 0
mov dword [ebp - 0x14], eax
call fcn.004db9f5
add esp, 8
mov byte [ebp - 4], 2
mov eax, dword [ebp + 8]
mov dword [esi + 0xc], eax
mov eax, dword [ebp + 0xc]
mov dword [esi + 0x10], eax
mov dword [esi + 0x14], 0
mov dword [esi + 0x18], 0
mov dword [esi + 0x1c], 0
mov dword [esi + 0x20], 0
mov dword [esi + 0x24], 0
mov dword [esi + 0x28], 0
mov dword [esi + 0x2c], 0
mov dword [esi + 0x30], 0
mov dword [esi + 0x34], 0
mov byte [esi + 0x38], 0
mov dword [esi + 0x40], 0
mov dword [esi + 0x44], 0
mov word [esi + 0x48], 0
mov dword [esi + 0x4c], 0
mov dword [esi + 0x50], 0
mov byte [esi + 0x54], 0
mov dword [esi + 0x58], 0x80
mov byte [esi + 0x5c], 0
mov dword [esi + 0x60], 0x3f800000
mov dword [esi + 0x64], 0
mov dword [ebp - 4], 0xffffffff
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop esi
mov esp, ebp
pop ebp
ret 8
Function at 0x4cff20
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push ebx
mov ebx, dword [ecx + 4]
xor eax, eax
push esi
push edi
mov edi, dword [ecx]
xor esi, esi
mov dword [ebp - 4], ecx
mov dword [ebp - 8], edi
mov dword [edi + 0x16], eax
test ebx, ebx
jle 0x4cff5d
nop
movzx edx, byte [edi + esi]
mov ecx, eax
shr ecx, 0x18
inc esi
xor edx, ecx
shl eax, 8
xor eax, dword [edx*4 + 0x53d6d0]
cmp esi, ebx
jl 0x4cff40
mov ecx, dword [ebp - 4]
mov ebx, dword [ecx + 0xc]
xor esi, esi
test ebx, ebx
jle 0x4cff8d
mov edi, dword [ecx + 8]
nop dword [eax]
movzx edx, byte [edi + esi]
mov ecx, eax
shr ecx, 0x18
inc esi
xor edx, ecx
shl eax, 8
xor eax, dword [edx*4 + 0x53d6d0]
cmp esi, ebx
jl 0x4cff70
mov edi, dword [ebp - 8]
mov byte [edi + 0x16], al
mov ecx, eax
shr ecx, 8
mov byte [edi + 0x17], cl
mov ecx, eax
shr ecx, 0x10
mov byte [edi + 0x18], cl
shr eax, 0x18
mov byte [edi + 0x19], al
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x4d3af0
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x988
mov eax, dword [0x55c2f8]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push esi
mov esi, dword [ebp + 0xc]
push edi
push eax
lea eax, [ebp - 0x988]
mov edi, ecx
push eax
call fcn.004ad6d0
add esp, 8
lea eax, [ebp - 0x988]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x4d3bdc
push 1
lea eax, [ebp - 0x988]
push eax
lea eax, [ebp - 0x370]
push eax
call fcn.004ad750
push 1
lea eax, [ebp - 0x64]
push esi
push eax
call fcn.004ad7d0
add esp, 0x18
lea ecx, [ebp - 0x64]
push ecx
lea ecx, [ebp - 0x370]
push ecx
lea ecx, [edi + 0x634]
call fcn.004d43f0
test eax, eax
je 0x4d3bdc
push ebx
lea ecx, [ebp - 0x370]
lea ebx, [edi + 0x1c]
mov eax, ecx
mov edx, ebx
sub edx, eax
mov al, byte [ecx]
lea ecx, [ecx + 1]
mov byte [edx + ecx - 1], al
test al, al
jne 0x4d3b81
lea edx, [ebp - 0x64]
lea ecx, [edi + 0x328]
mov eax, edx
mov esi, ecx
sub esi, eax
nop dword [eax]
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [esi + edx - 1], al
test al, al
jne 0x4d3ba0
push ecx
push ebx
lea ecx, [edi + 0x634]
mov dword [edi + 0x14], 0
call fcn.004d44e0
pop ebx
mov dword [edi + 0x18], eax
mov eax, 1
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004d9e67
mov esp, ebp
pop ebp
ret 8
mov ecx, dword [ebp - 4]
xor eax, eax
pop edi
xor ecx, ebp
pop esi
call fcn.004d9e67
mov esp, ebp
pop ebp
ret 8

Function at 0x4d3ef0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
push 0
lea eax, [ebp - 4]
mov esi, ecx
push eax
push dword [ebp + 0xc]
push dword [ebp + 8]
push dword [esi + 0x18]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x4d3f1a
or eax, 0xffffffff
pop esi
mov esp, ebp
pop ebp
ret 8
mov eax, dword [ebp - 4]
add dword [esi + 0x14], eax
pop esi
mov esp, ebp
pop ebp
ret 8
Function at 0x4d3f60
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
push 0
lea eax, [ebp - 4]
mov esi, ecx
push eax
push dword [ebp + 0xc]
push dword [ebp + 8]
push dword [esi + 0x18]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
jne 0x4d3f8a
or eax, 0xffffffff
pop esi
mov esp, ebp
pop ebp
ret 8
mov eax, dword [ebp - 4]
add dword [esi + 0x14], eax
pop esi
mov esp, ebp
pop ebp
ret 8

Function at 0x4d7570
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
push edi
mov edi, dword [ecx + 0x64]
xor ebx, ebx
imul edi, dword [ebp + 0x10]
xor esi, esi
mov dword [ebp - 4], ecx
test edi, edi
je 0x4d75db
nop dword [eax]
mov edx, dword [ebp + 0xc]
mov eax, esi
shr eax, 1
movzx edx, byte [eax + edx]
lea eax, [ecx + 0xa8]
lea eax, [eax + ebx*8]
mov ecx, esi
push eax
mov eax, edx
shr edx, 4
and eax, 0xf
and cl, 1
cmove edx, eax
push edx
call fcn.004d9c10
mov ecx, dword [ebp + 8]
add esp, 8
mov word [ecx + esi*2], ax
mov eax, ebx
mov ecx, dword [ebp - 4]
xor eax, 1
inc esi
cmp dword [ecx + 0x64], 2
cmovne eax, ebx
mov ebx, eax
cmp esi, edi
jb 0x4d7590
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc

Function at 0x4d7f80
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, ecx
xor ebx, ebx
xor esi, esi
mov eax, dword [edi + 0x64]
imul eax, dword [ebp + 0x10]
mov dword [ebp + 0x10], eax
test eax, eax
je 0x4d7fdb
nop word [eax + eax]
push dword [edi + 0x8c]
lea eax, [edi + 0xa8]
lea eax, [eax + ebx*8]
push eax
mov eax, dword [ebp + 0xc]
movzx eax, byte [esi + eax]
push eax
call fcn.004d9c90
mov ecx, dword [ebp + 8]
add esp, 0xc
mov word [ecx + esi*2], ax
mov eax, ebx
xor eax, 1
inc esi
cmp dword [edi + 0x64], 2
cmovne eax, ebx
mov ebx, eax
cmp esi, dword [ebp + 0x10]
jb 0x4d7fa0
pop edi
pop esi
pop ebx
pop ebp
ret 0xc

Function at 0x4d96a0
Capabilities:
Access peb ldr_data

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x51cbf6
mov eax, dword fs:[0]
push eax
push ecx
push esi
push edi
mov eax, dword [0x55c2f8]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
mov dword [ebp - 0x10], edi
lea ecx, [edi + 0x10]
mov dword [edi], vtable.CWaveStreamCtrl.0
call fcn.00512760
mov dword [ebp - 4], 0
lea ecx, [edi + 0x30]
call fcn.004d3bf0
mov byte [ebp - 4], 1
lea ecx, [edi + 0x10]
mov eax, dword [ebp + 8]
mov dword [edi + 0x28], eax
mov eax, dword [ebp + 0xc]
push 0xffffffffffffffff
mov dword [edi + 0x24], 0
mov dword [edi + 0x2c], eax
call fcn.00420ca0
mov eax, dword [ebp + 0x10]
mov dword [edi + 8], eax
mov eax, dword [ebp + 0x14]
mov dword [edi + 4], eax
mov eax, dword [ebp + 0x18]
mov dword [edi + 0xc], eax
mov dword [ebp - 4], 0xffffffff
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret 0x14
Function at 0x4df330
Capabilities:
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
push ebx
mov ebx, dword [ebp + 0x10]
push edi
mov edi, dword [ebp + 8]
test ebx, ebx
jne 0x4df34f
pop edi
mov eax, 0x80004003
pop ebx
mov esp, ebp
pop ebp
ret 0xc
push esi
xor eax, eax
lea esi, [edi + 4]
cmp edi, 0xc
cmove esi, eax
push esi
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
lea eax, [ebp - 0x24]
xorps xmm0, xmm0
push eax
movups xmmword [ebx], xmm0
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov ecx, dword [ebp + 0xc]
mov eax, dword [ecx + 8]
mov dword [ebp + 8], eax
test eax, eax
je 0x4df425
dec eax
test dword [ebp - 8], eax
jne 0x4df425
cmp dword [edi + 0x44], 1
jne 0x4df3aa
push esi
mov edi, 0x8004020f
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
mov eax, edi
pop edi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov eax, dword [edi + 0x20]
cmp eax, dword [edi + 0x30]
jge 0x4df3c9
push esi
mov edi, 0x80040210
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
mov eax, edi
pop edi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov eax, dword [ecx + 0xc]
mov ecx, dword [ecx + 4]
add ecx, eax
mov dword [ebp + 0x10], eax
mov eax, ecx
cdq
idiv dword [ebp + 8]
test edx, edx
je 0x4df3e5
mov eax, dword [ebp + 8]
sub eax, edx
add ecx, eax
sub ecx, dword [ebp + 0x10]
mov dword [edi + 0x34], ecx
mov dword [ebx + 4], ecx
mov ecx, dword [ebp + 0xc]
push esi
mov eax, dword [ecx]
mov dword [edi + 0x2c], eax
mov dword [ebx], eax
mov eax, dword [ecx + 8]
mov dword [edi + 0x38], eax
mov dword [ebx + 8], eax
mov eax, dword [ecx + 0xc]
mov dword [edi + 0x3c], eax
mov dword [ebx + 0xc], eax
mov dword [edi + 0x40], 1
xor edi, edi
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
mov eax, edi
pop edi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
push esi
mov edi, 0x8004020e
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
mov eax, edi
pop edi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x4e49b0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push esi
push edi
mov edi, dword [ebp + 8]
mov esi, ecx
push 0
push 0
push 3
push 0
push 1
push 0x80000000
push edi
mov dword [esi + 0x50], 0
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [esi + 0x3c], eax
cmp eax, 0xffffffff
je 0x4e4a75
mov ecx, dword [ebp + 0x18]
push 0
mov dword [ebp + 8], ecx
lea ecx, [ebp + 8]
push ecx
push dword [ebp + 0x14]
push eax
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
je 0x4e4a75
mov eax, dword [ebp + 0x10]
mov dword [esi + 0x48], 0x20000
mov dword [esi + 0x4c], 0
push ebx
test eax, eax
jl 0x4e4a32
jg 0x4e4a24
mov ebx, dword [ebp + 0xc]
cmp ebx, 0x20000
jbe 0x4e4a35
mov ebx, 0x20000
mov dword [ebp - 4], 0
jmp 0x4e4a38
mov ebx, dword [ebp + 0xc]
mov dword [ebp - 4], eax
push dword [esi + 0x1c]
call fcn.004d9e78
push ebx
call fcn.004d9ebb
add esp, 8
mov dword [esi + 0x1c], eax
lea ecx, [ebp - 4]
push 0
push ecx
push ebx
push eax
push dword [esi + 0x3c]
call dword [sym.imp.KERNEL32.dll_ReadFile]
cmp dword [ebp - 4], ebx
pop ebx
je 0x4e4a82
push dword [esi + 0x1c]
call fcn.004d9e78
add esp, 4
mov dword [esi + 0x1c], 0
pop edi
mov eax, 1
pop esi
mov esp, ebp
pop ebp
ret 0x14
push dword [esi + 0x38]
call fcn.004d9e78
mov ecx, edi
add esp, 4
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x4e4a92
sub ecx, edx
mov edx, 2
sar ecx, 1
lea eax, [ecx + 1]
xor ecx, ecx
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.004d9ebb
mov ecx, eax
add esp, 4
mov dword [esi + 0x38], ecx
movzx eax, word [edi]
lea edi, [edi + 2]
mov word [ecx], ax
lea ecx, [ecx + 2]
test ax, ax
jne 0x4e4ac2
mov eax, dword [ebp + 0xc]
mov ecx, dword [ebp + 0x10]
mov dword [esi + 0x20], eax
mov eax, dword [ebp + 0x14]
mov dword [esi + 0x40], eax
mov eax, dword [ebp + 0x18]
mov dword [esi + 0x44], eax
xor eax, eax
pop edi
mov dword [esi + 0x24], ecx
mov dword [esi + 0x50], 1
pop esi
mov esp, ebp
pop ebp
ret 0x14
Function at 0x4e4b00
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x51d338
mov eax, dword fs:[0]
push eax
sub esp, 0xc
push ebx
push esi
push edi
mov eax, dword [0x55c2f8]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
cmp dword [edi + 0x50], 0
jne 0x4e4b49
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
lea esi, [edi + 4]
push esi
mov dword [ebp - 0x10], esi
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
xor eax, eax
mov dword [ebp - 4], 0
cmp eax, dword [edi + 0x4c]
jl 0x4e4b9b
mov ebx, dword [ebp + 0xc]
jg 0x4e4b6e
cmp ebx, dword [edi + 0x48]
jbe 0x4e4b9b
mov eax, dword [edi + 0x1c]
test eax, eax
je 0x4e4b85
push eax
call fcn.004d9e78
add esp, 4
mov dword [edi + 0x1c], 0
push ebx
call fcn.004d9ebb
add esp, 4
mov dword [edi + 0x1c], eax
mov dword [edi + 0x48], ebx
mov dword [edi + 0x4c], 0
call dword [sym.imp.WINMM.dll_timeGetTime]
mov edx, dword [edi + 0x28]
mov ecx, dword [ebp + 0xc]
mov ebx, dword [edi + 0x20]
mov dword [ebp - 0x10], eax
mov eax, edx
add eax, ecx
mov dword [ebp + 0xc], eax
mov eax, dword [edi + 0x2c]
adc eax, 0
cmp eax, dword [edi + 0x24]
jl 0x4e4bca
jg 0x4e4bc6
cmp dword [ebp + 0xc], ebx
jbe 0x4e4bca
sub ebx, edx
jmp 0x4e4bcc
mov ebx, ecx
lea eax, [edx + ebx]
mov ecx, dword [edi + 0x34]
xor edx, edx
div dword [edi + 0x30]
mov edx, eax
mov eax, dword [ebp - 0x10]
sub eax, ecx
cmp eax, edx
jae 0x4e4bee
sub ecx, dword [ebp - 0x10]
add ecx, edx
push ecx
call dword [sym.imp.KERNEL32.dll_Sleep]
mov eax, dword [edi + 0x28]
mov ecx, dword [edi + 0x40]
add ecx, eax
mov eax, dword [edi + 0x44]
push 0
adc eax, dword [edi + 0x2c]
mov dword [ebp - 0x14], eax
lea eax, [ebp - 0x14]
push eax
push ecx
push dword [edi + 0x3c]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0
lea eax, [ebp - 0x18]
push eax
push ebx
push dword [edi + 0x1c]
push dword [edi + 0x3c]
call dword [sym.imp.KERNEL32.dll_ReadFile]
push ebx
push dword [edi + 0x1c]
push dword [ebp + 8]
call fcn.004e6320
mov ecx, dword [ebp + 0x14]
add esp, 0xc
add dword [edi + 0x28], ebx
adc dword [edi + 0x2c], 0
push esi
mov dword [ecx], ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10

Function at 0x4e5470
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
mov esi, ecx
cmp dword [esi + 0x80], 0
jne 0x4e54c0
push dword [esi + 0x7c]
call dword [sym.imp.KERNEL32.dll_ResetEvent]
lea eax, [ebp - 4]
push eax
push 0
push esi
push 0x4e51b0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [esi + 0x80], eax
test eax, eax
jne 0x4e54c0
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jle 0x4e54c2
movzx eax, ax
or eax, 0x80070000
pop esi
mov esp, ebp
pop ebp
ret
xor eax, eax
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x4fd5b7
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x1c]
push dword [ebp + 0x18]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateThread]
pop ebp
ret

Function at 0x512830
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push esi
push 0xc
mov esi, ecx
call fcn.004d9e7d
mov edx, dword [ebp + 8]
lea ecx, [esi + 8]
add esp, 4
mov dword [eax], edx
mov edx, dword [ebp + 0xc]
push ecx
push dword [ebp + 0x18]
mov dword [eax + 4], edx
push eax
push 0x5127f0
push dword [ebp + 0x14]
mov dword [eax + 8], esi
push dword [ebp + 0x1c]
call dword [sym.imp.KERNEL32.dll_CreateThread]
push dword [ebp + 0x10]
mov dword [esi + 4], eax
mov ecx, 0x2710
xor esi, esi
test eax, eax
push eax
cmove esi, ecx
call dword [sym.imp.KERNEL32.dll_SetThreadPriority]
mov eax, esi
pop esi
pop ebp
ret 0x18
Function at 0x401c57
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x3c
pushal
call 0x401c66
pop dword [ebp - 0x2c]
mov eax, 0xd12520e5
sub eax, 0xd0e5047f
sub dword [ebp - 0x2c], eax
mov dword [ebp - 0x3c], 0x88b18910
add dword [ebp - 0x3c], 0xc5a0bc3b
mov dword [ebp - 0x38], 0xe1705582
add dword [ebp - 0x38], 0x50c2f6c3
mov dword [ebp - 0x34], 0xf92efaed
add dword [ebp - 0x34], 0x531d4941
mov dword [ebp - 0x30], 0xc5fe64a5
sub dword [ebp - 0x30], 0xc5fe64a5
lea eax, [ebp - 0x3c]
push eax
mov eax, 0xdf935aec
add eax, 0x20acd568
add eax, dword [ebp - 0x2c]
call dword [eax]
mov dword [ebp - 0x3c], 0xcead925
add dword [ebp - 0x3c], 0x67879031
mov dword [ebp - 0x38], 0x17e45cd8
add dword [ebp - 0x38], 0x2988049d
mov dword [ebp - 0x34], 0x27ceadc8
add dword [ebp - 0x34], 0x3ba0bea4
mov dword [ebp - 0x30], 0x6bedbe9d
sub dword [ebp - 0x30], 0x6bedbe9d
lea ebx, [ebp - 0x3c]
push ebx
push eax
mov eax, sym.imp.kernel32.dll_GetProcAddress
add eax, dword [ebp - 0x2c]
call dword [eax]
push 0x40
push 0x1000
push 0x3717e
push 0
call eax
mov ecx, 0x5fd277c5
sub ecx, 0x5fd22d52
mov edi, eax
mov edx, 0x90f8771f
add edx, 0x6f47f8e1
add edx, dword [ebp - 0x2c]
mov esi, 0xf48fd37c
sub dword [ebp - 0x10], 0x39a99cbd
mov ebx, dword [edx]
add dword [ebp - 8], eax
xor ebx, esi
add dword [ebp - 0x18], eax
mov dword [edi], ebx
add edi, 0x1a9100c
add edi, 0xfe56eff8
add edx, 4
loop 0x401d7d
add eax, 0x7828f9ea
sub eax, 0x7827dd4b
xor ebx, ebx
add ebx, eax
add eax, 0x35a69d18
add eax, 0xca5962ed
mov ecx, 0x84479d37
add ecx, 0x7bf862c9
add ecx, dword [ebp - 0x2c]
call ebx
leave
ret

Function at 0x401fb2
Capabilities:
Delete file
Move file

Disassembly:
mov ecx, 0x404f28
jmp fcn.0040170c

Function at 0x401ff6
Capabilities:
Check if file exists
Delete directory
Get file attributes

Disassembly:
push esi
mov esi, 0x404f28
push esi
call dword [sym.imp.kernel32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x402013
push esi
call dword [sym.imp.kernel32.dll_RemoveDirectoryW]
test eax, eax
je 0x402018
push 1
pop eax
pop esi
ret
call fcn.00401fb2
pop esi
ret