joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4cf693
Capabilities:
Set registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
mov eax, dword [0x71906c]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
xor ebx, ebx
mov dword [ebp - 0x30], eax
mov eax, dword [ebp + 0xc]
mov esi, ecx
mov dword [ebp - 0x34], eax
mov eax, dword [ebp + 0x10]
push edi
mov edi, dword [ebp + 0x14]
mov dword [ebp - 0x38], eax
mov dword [ebp - 0x20], ebx
mov dword [ebp - 0x24], ebx
mov dword [ebp - 0x2c], ebx
mov dword [ebp - 0x28], ebx
cmp dword [esi + 0x14], ebx
ja 0x4cf6eb
lea eax, [ebp - 0x1c]
push eax
call fcn.004d4c79
pop ecx
lea ecx, [esi + 4]
push eax
call fcn.00408c30
lea ecx, [ebp - 0x1c]
call fcn.00404d80
lea eax, [esi + 4]
cmp dword [eax + 0x14], 8
jb 0x4cf6f6
mov eax, dword [eax]
mov esi, dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
lea ecx, [ebp - 0x20]
push ecx
push 0xf013f
push ebx
push eax
push reloc.WS2_32.dll_closesocket
call esi
test eax, eax
je 0x4cf719
xor al, al
jmp 0x4cf7d2
lea eax, [ebp - 0x24]
push eax
push 0xf013f
push ebx
push 0x691c48
push dword [ebp - 0x20]
call esi
test eax, eax
je 0x4cf73c
push dword [ebp - 0x20]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
jmp 0x4cf712
mov esi, dword [sym.imp.ADVAPI32.dll_RegCreateKeyExW]
lea eax, [ebp - 0x2c]
push ebx
push eax
push ebx
push 0xf013f
push ebx
push ebx
push ebx
push dword [ebp - 0x30]
push dword [ebp - 0x24]
call esi
test eax, eax
je 0x4cf76e
push dword [ebp - 0x24]
mov esi, dword [sym.imp.ADVAPI32.dll_RegCloseKey]
call esi
push dword [ebp - 0x20]
call esi
jmp 0x4cf712
push ebx
lea eax, [ebp - 0x28]
push eax
push ebx
push 0xf013f
push ebx
push ebx
push ebx
push dword [ebp - 0x34]
push dword [ebp - 0x2c]
call esi
mov esi, dword [sym.imp.ADVAPI32.dll_RegCloseKey]
test eax, eax
jne 0x4cf7c1
mov ecx, edi
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
cmp ax, bx
jne 0x4cf793
sub ecx, edx
sar ecx, 1
lea eax, [ecx*2 + 2]
push eax
push edi
push 1
push ebx
push dword [ebp - 0x38]
push dword [ebp - 0x28]
call dword [sym.imp.ADVAPI32.dll_RegSetValueExW]
push dword [ebp - 0x28]
call esi
mov bl, 1
push dword [ebp - 0x2c]
call esi
push dword [ebp - 0x24]
call esi
push dword [ebp - 0x20]
call esi
mov al, bl
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0042e165
leave
ret 0x10
Function at 0x4d1711
Capabilities:
Query or enumerate registry key

Disassembly:
push 0x12c
mov eax, 0x67de85
call fcn.0042ecc8
mov eax, dword [ebp + 0x24]
mov esi, dword [ebp + 8]
mov dword [ebp - 0x134], eax
mov eax, 0xff
xor ebx, ebx
push eax
mov dword [ebp - 0x130], eax
mov edi, ebx
lea eax, [ebp - 0x110]
mov dword [ebp - 4], ebx
push ebx
push eax
mov dword [ebp - 0x12c], ebx
call fcn.00507a50
add esp, 0xc
mov dword [ebp - 0x118], ebx
mov dword [ebp - 0x114], 0xf
mov byte [ebp - 0x128], bl
cmp dword [ebp + 0x20], 0x10
lea eax, [ebp - 0x12c]
push eax
mov eax, dword [ebp + 0x28]
lea ecx, [ebp + 0xc]
cmovae ecx, dword [ebp + 0xc]
or eax, 8
push eax
push ebx
push ecx
push esi
mov byte [ebp - 4], 1
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
je 0x4d17a2
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov ebx, eax
jmp 0x4d18be
push ebx
push ebx
push ebx
push ebx
lea eax, [ebp - 0x130]
push eax
lea eax, [ebp - 0x110]
push eax
push edi
push dword [ebp - 0x12c]
call dword [sym.imp.ADVAPI32.dll_RegEnumKeyExA]
mov esi, eax
test esi, esi
jne 0x4d188d
lea ecx, [ebp - 0x110]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4d17d4
sub ecx, edx
lea eax, [ebp - 0x110]
push ecx
push eax
lea ecx, [ebp - 0x128]
call fcn.00407210
cmp dword [ebp - 0x114], 0x10
lea ecx, [ebp - 0x128]
mov eax, dword [ebp - 0x118]
lea edx, [ebp - 0x128]
cmovae ecx, dword [ebp - 0x128]
cmovae edx, dword [ebp - 0x128]
add eax, ecx
cmp dword [ebp - 0x114], 0x10
lea ecx, [ebp - 0x128]
push fcn.0050dafe
cmovae ecx, dword [ebp - 0x128]
push edx
push eax
push ecx
lea eax, [ebp - 0x138]
push eax
call fcn.004cd0d7
mov eax, dword [ebp - 0x134]
add esp, 0x14
mov ecx, dword [eax + 4]
cmp dword [eax + 8], ecx
je 0x4d1862
lea ecx, [ebp - 0x128]
push ecx
mov ecx, eax
call fcn.0040b800
jmp 0x4d1871
lea edx, [ebp - 0x128]
push edx
push ecx
mov ecx, eax
call fcn.0040b9c0
cmp dword [ebp - 0x114], 0x10
lea eax, [ebp - 0x128]
mov dword [ebp - 0x118], ebx
cmovae eax, dword [ebp - 0x128]
mov byte [eax], bl
mov eax, 0xff
inc edi
push eax
mov dword [ebp - 0x130], eax
lea eax, [ebp - 0x110]
push ebx
push eax
call fcn.00507a50
add esp, 0xc
test esi, esi
je 0x4d17a2
push dword [ebp - 0x12c]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
lea ecx, [ebp - 0x128]
call fcn.00403290
lea ecx, [ebp + 0xc]
call fcn.00403290
mov eax, ebx
call fcn.0042ec83
ret 0x24
Function at 0x4d3192
Capabilities:
Check if file exists

Disassembly:
push 0x23c
mov eax, 0x67e255
call fcn.0042ecc8
mov edi, ecx
lea eax, [ebp - 0x230]
push eax
call fcn.004d2e9c
and dword [ebp - 4], 0
lea esi, [edi + 4]
and dword [esi + 0x10], 0
mov eax, esi
cmp dword [esi + 0x14], 8
jb 0x4d31c4
mov eax, dword [esi]
xor ecx, ecx
mov word [eax], cx
mov ecx, esi
push 0x691f64
call fcn.00408bb0
push 0x691f68
mov ecx, esi
call fcn.00408bb0
push 0x700384
mov ecx, esi
call fcn.00408bb0
cmp dword [ebp - 0x21c], 8
lea eax, [ebp - 0x230]
push dword [ebp - 0x220]
cmovae eax, dword [ebp - 0x230]
mov ecx, esi
push eax
call fcn.00408df0
cmp dword [esi + 0x14], 8
mov eax, esi
jb 0x4d3219
mov eax, dword [esi]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x4d32b1
push 0x208
push eax
lea eax, [ebp - 0x218]
push eax
call fcn.00507a50
add esp, 0xc
lea eax, [ebp - 0x218]
push 0x104
push eax
call fcn.004d2d70
push eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.SHLWAPI.dll_PathRemoveFileSpecW]
and dword [esi + 0x10], 0
mov eax, esi
cmp dword [esi + 0x14], 8
jb 0x4d3270
mov eax, dword [esi]
xor ecx, ecx
mov word [eax], cx
lea eax, [ebp - 0x218]
push eax
mov ecx, esi
call fcn.00408bb0
push 0x700384
mov ecx, esi
call fcn.00408bb0
cmp dword [ebp - 0x21c], 8
lea eax, [ebp - 0x230]
push dword [ebp - 0x220]
cmovae eax, dword [ebp - 0x230]
mov ecx, esi
push eax
call fcn.00408df0
cmp dword [esi + 0x14], 8
jb 0x4d32b9
mov esi, dword [esi]
push esi
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
lea esi, [edi + 0x1c]
and dword [esi + 0x10], 0
mov eax, esi
cmp dword [esi + 0x14], 8
jb 0x4d32d1
mov eax, dword [esi]
xor ecx, ecx
mov word [eax], cx
mov ecx, esi
push 0x691f64
call fcn.00408bb0
push 0x691f68
mov ecx, esi
call fcn.00408bb0
push 0x700384
mov ecx, esi
call fcn.00408bb0
lea eax, [ebp - 0x248]
mov ecx, edi
push eax
call fcn.004d2efb
push eax
mov ecx, esi
mov byte [ebp - 4], 1
call fcn.0042d9d9
lea ecx, [ebp - 0x248]
call fcn.00404d80
lea ecx, [ebp - 0x230]
call fcn.00404d80
call fcn.0042ec83
ret
Function at 0x4d4602
Capabilities:
Move file

Disassembly:
push 0x4c
mov eax, 0x67e423
call fcn.0042ecc8
mov esi, ecx
cmp dword [esi + 0x1c], 0xffffffff
je 0x4d4623
push dword [esi + 0x1c]
call fcn.00522dd7
or dword [esi + 0x1c], 0xffffffff
pop ecx
mov eax, dword [esi + 0x28]
mov ecx, esi
dec eax
push eax
lea eax, [ebp - 0x58]
push eax
call fcn.004d3a1c
and dword [ebp - 4], 0
lea eax, [ebp - 0x58]
cmp dword [ebp - 0x44], 8
cmovae eax, dword [ebp - 0x58]
push eax
call fcn.0051d69c
mov edi, dword [esi + 0x28]
sub edi, 2
pop ecx
js 0x4d46a7
push edi
lea eax, [ebp - 0x40]
mov ecx, esi
push eax
call fcn.004d3a1c
lea eax, [edi + 1]
mov byte [ebp - 4], 1
push eax
lea eax, [ebp - 0x28]
mov ecx, esi
push eax
call fcn.004d3a1c
cmp dword [ebp - 0x14], 8
lea ecx, [ebp - 0x28]
lea eax, [ebp - 0x40]
cmovae ecx, dword [ebp - 0x28]
cmp dword [ebp - 0x2c], 8
push ecx
cmovae eax, dword [ebp - 0x40]
push eax
call dword [sym.imp.KERNEL32.dll_MoveFileW]
lea ecx, [ebp - 0x28]
call fcn.00404d80
lea ecx, [ebp - 0x40]
mov byte [ebp - 4], 0
call fcn.00404d80
sub edi, 1
jns 0x4d4651
mov ecx, esi
call fcn.004d44e1
lea ecx, [ebp - 0x58]
mov byte [esi + 0x5c], 0
call fcn.00404d80
call fcn.0042ec83
ret

Function at 0x4d46c0
Capabilities:
Move file

Disassembly:
push 0x4c
mov eax, 0x67e423
call fcn.0042ecc8
mov esi, ecx
cmp dword [esi + 0x1c], 0xffffffff
je 0x4d46e1
push dword [esi + 0x1c]
call fcn.00522dd7
or dword [esi + 0x1c], 0xffffffff
pop ecx
mov eax, dword [esi + 0x28]
mov ecx, esi
dec eax
push eax
lea eax, [ebp - 0x58]
push eax
call fcn.004d3a1c
and dword [ebp - 4], 0
lea eax, [ebp - 0x58]
cmp dword [ebp - 0x44], 8
cmovae eax, dword [ebp - 0x58]
push eax
call fcn.0051d69c
mov edi, dword [esi + 0x28]
sub edi, 2
pop ecx
js 0x4d4765
push edi
lea eax, [ebp - 0x40]
mov ecx, esi
push eax
call fcn.004d3a1c
lea eax, [edi + 1]
mov byte [ebp - 4], 1
push eax
lea eax, [ebp - 0x28]
mov ecx, esi
push eax
call fcn.004d3a1c
cmp dword [ebp - 0x14], 8
lea ecx, [ebp - 0x28]
lea eax, [ebp - 0x40]
cmovae ecx, dword [ebp - 0x28]
cmp dword [ebp - 0x2c], 8
push ecx
cmovae eax, dword [ebp - 0x40]
push eax
call dword [sym.imp.KERNEL32.dll_MoveFileW]
lea ecx, [ebp - 0x28]
call fcn.00404d80
lea ecx, [ebp - 0x40]
mov byte [ebp - 4], 0
call fcn.00404d80
sub edi, 1
jns 0x4d470f
mov ecx, esi
call fcn.004d4578
lea ecx, [ebp - 0x58]
mov byte [esi + 0x5c], 0
call fcn.00404d80
call fcn.0042ec83
ret
Function at 0x4d4b2d
Capabilities:
Create process on windows

Disassembly:
push 0x8c
mov eax, 0x67e4b0
call fcn.0042ecc8
mov eax, dword [ebp + 0xc]
xor esi, esi
mov ebx, dword [ebp + 8]
push 0x44
pop edi
push edi
mov dword [ebp - 0x44], eax
lea eax, [ebp - 0x98]
push esi
push eax
call fcn.00507a50
mov dword [ebp - 0x98], edi
xor eax, eax
lea edi, [ebp - 0x54]
mov dword [ebp - 0x18], esi
stosd dword es:[edi], eax
add esp, 0xc
stosd dword es:[edi], eax
push 7
pop ecx
mov dword [ebp - 0x14], ecx
stosd dword es:[edi], eax
stosd dword es:[edi], eax
xor eax, eax
mov word [ebp - 0x28], ax
mov dword [ebp - 4], esi
mov dword [ebp - 0x30], esi
mov dword [ebp - 0x2c], ecx
mov word [ebp - 0x40], ax
mov eax, dword [ebp - 0x44]
mov byte [ebp - 4], 1
test eax, eax
je 0x4d4bdb
push eax
lea ecx, [ebp - 0x40]
call fcn.00404d50
cmp dword [ebp - 0x30], esi
je 0x4d4bdb
push 0x686108
lea ecx, [ebp - 0x28]
call fcn.00404d50
push ebx
lea ecx, [ebp - 0x28]
call fcn.00408bb0
push 0x6921a8
lea ecx, [ebp - 0x28]
call fcn.00408bb0
cmp dword [ebp - 0x2c], 8
lea eax, [ebp - 0x40]
push dword [ebp - 0x30]
cmovae eax, dword [ebp - 0x40]
lea ecx, [ebp - 0x28]
push eax
call fcn.00408df0
jmp 0x4d4be4
push ebx
lea ecx, [ebp - 0x28]
call fcn.00404d50
cmp dword [ebp - 0x14], 8
lea ecx, [ebp - 0x54]
push ecx
lea ecx, [ebp - 0x98]
push ecx
push esi
push esi
push esi
push 1
push esi
lea eax, [ebp - 0x28]
cmovae eax, dword [ebp - 0x28]
push esi
push eax
push esi
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
jne 0x4d4c15
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4d4c43
cmp byte [ebp + 0x10], 0
je 0x4d4c30
or eax, 0xffffffff
cmp dword [ebp + 0x14], 0
cmovg eax, dword [ebp + 0x14]
push eax
push dword [ebp - 0x54]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
push dword [ebp - 0x54]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call esi
push dword [ebp - 0x50]
call esi
xor esi, esi
inc esi
lea ecx, [ebp - 0x40]
call fcn.00404d80
lea ecx, [ebp - 0x28]
call fcn.00404d80
mov eax, esi
call fcn.0042ec83
ret

Function at 0x4d4ed8
Capabilities:
Enumerate processes

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x230
mov eax, dword [0x71906c]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
push edi
mov edi, dword [ebp + 8]
test edi, edi
je 0x4d4f5e
push 0x228
lea eax, [ebp - 0x22c]
push 0
push eax
call fcn.00507a50
add esp, 0xc
push 0
push 2
call sub.KERNEL32.dll_CreateToolhelp32Snapshot
mov esi, eax
cmp esi, 0xffffffff
je 0x4d4f5e
lea eax, [ebp - 0x230]
mov dword [ebp - 0x230], 0x22c
push eax
push esi
call sub.KERNEL32.dll_Process32FirstW
jmp 0x4d4f53
lea eax, [ebp - 0x20c]
push edi
push eax
call fcn.0051c0d3
pop ecx
pop ecx
test eax, eax
je 0x4d4f6e
lea eax, [ebp - 0x230]
push eax
push esi
call sub.KERNEL32.dll_Process32NextW
test eax, eax
jne 0x4d4f33
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.0042e165
leave
ret
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [ebp - 0x228]
jmp 0x4d4f60
Function at 0x4d5117
Capabilities:
Create process on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x3c
push 0x3c
lea eax, [ebp - 0x3c]
push 0
push eax
call fcn.00507a50
add esp, 0xc
mov dword [ebp - 0x3c], 0x3c
cmp dword [ebp + 8], 0
mov ecx, str.runas
mov eax, str.open
mov dword [ebp - 0x38], 0x40
cmove eax, ecx
mov dword [ebp - 0x20], 1
mov dword [ebp - 0x30], eax
mov eax, dword [ebp + 0xc]
mov dword [ebp - 0x2c], eax
mov eax, dword [ebp + 0x10]
mov dword [ebp - 0x28], eax
mov eax, dword [ebp + 0x14]
mov dword [ebp - 0x24], eax
lea eax, [ebp - 0x3c]
push eax
call dword [sym.imp.SHELL32.dll_ShellExecuteExW]
mov ecx, dword [ebp - 4]
test ecx, ecx
je 0x4d518c
cmp byte [ebp + 0x18], 0
je 0x4d518c
push dword [ebp + 0x1c]
push ecx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov ecx, dword [ebp - 4]
xor eax, eax
test ecx, ecx
setne al
leave
ret

Function at 0x4d5784
Capabilities:
Hash data with md5

Disassembly:
xor eax, eax
mov byte [ecx + 0x68], al
mov dword [ecx + 0x14], eax
mov dword [ecx + 0x10], eax
mov dword [ecx], 0x67452301
mov dword [ecx + 4], 0xefcdab89
mov dword [ecx + 8], 0x98badcfe
mov dword [ecx + 0xc], 0x10325476
ret

Function at 0x4d63a9
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push ecx
cmp dword [ebp + 8], 0
push ebx
push edi
je 0x4d6459
cmp dword [ebp + 0xc], 0
je 0x4d6459
push 0
push 0x80
push 3
push 0
push 3
push SysReAllocString
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x4d63ee
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4d645c
lea eax, [ebp - 4]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
mov dword [ebp - 8], edi
cmp edi, 0xffffffff
je 0x4d63e6
jb 0x4d640a
push 8
pop eax
jmp 0x4d645c
push esi
mov esi, eax
mov eax, dword [ebp + 0x10]
test eax, eax
je 0x4d6416
mov dword [eax], edi
inc esi
push esi
call fcn.0042e816
mov ecx, dword [ebp + 0xc]
push esi
xor esi, esi
push esi
push eax
mov dword [ecx], eax
call fcn.00507a50
add esp, 0x10
mov dword [ebp + 8], esi
lea eax, [ebp + 8]
push esi
push eax
mov eax, dword [ebp + 0xc]
push edi
push dword [eax]
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
pop esi
test eax, eax
je 0x4d63e6
cmp dword [ebp + 8], edi
jne 0x4d6459
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
jmp 0x4d645c
xor eax, eax
inc eax
pop edi
pop ebx
leave
ret
Function at 0x4d6460
Capabilities:
Get file version info

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
sub esp, 0x18
push ebx
xor ebx, ebx
push edi
mov edi, ebx
cmp dword [eax + 0x10], ebx
je 0x4d6571
push esi
mov esi, dword [ebp + 0xc]
cmp dword [esi + 0x10], ebx
je 0x4d6570
cmp dword [esi + 0x14], 0x10
mov eax, esi
jb 0x4d648f
mov eax, dword [esi]
lea ecx, [ebp - 0xc]
push ecx
push eax
call sub.VERSION.dll_GetFileVersionInfoSizeA
mov dword [ebp - 8], eax
test eax, eax
je 0x4d6570
push 0x725e48
push eax
call fcn.0042ea1a
mov dword [ebp - 4], eax
pop ecx
pop ecx
test eax, eax
je 0x4d6570
cmp dword [esi + 0x14], 0x10
jb 0x4d64c4
mov esi, dword [esi]
push eax
push dword [ebp - 8]
push dword [ebp - 0xc]
push esi
call sub.VERSION.dll_GetFileVersionInfoA
mov esi, dword [ebp - 4]
test eax, eax
je 0x4d655e
lea eax, [ebp - 0x14]
push eax
lea eax, [ebp - 0x10]
push eax
push str.VarFileInfoTranslation
push esi
call sub.VERSION.dll_VerQueryValueA
test eax, eax
je 0x4d655e
mov eax, dword [ebp - 0x10]
push 0x725e48
push 0x80
movzx ecx, word [eax]
movzx eax, word [eax + 2]
shl ecx, 0x10
or ecx, eax
mov dword [ebp - 8], ecx
call fcn.0042ea1a
mov edi, eax
pop ecx
pop ecx
test edi, edi
je 0x4d655e
mov eax, dword [ebp + 8]
cmp dword [eax + 0x14], 0x10
jb 0x4d6527
mov eax, dword [eax]
push eax
push dword [ebp - 8]
push str.StringFileInfo_08lx_s
push 0x80
push edi
call fcn.0040d3e0
add esp, 0x14
lea eax, [ebp - 0x14]
push eax
lea eax, [ebp - 0x18]
push eax
push edi
push esi
call sub.VERSION.dll_VerQueryValueA
test eax, eax
je 0x4d655c
push dword [ebp - 0x18]
mov ecx, dword [ebp + 0x10]
call fcn.004071e0
mov bl, 1
push esi
call fcn.0042e811
pop ecx
test edi, edi
je 0x4d6570
push edi
call fcn.0042e811
pop ecx
pop esi
pop edi
mov al, bl
pop ebx
leave
ret
Function at 0x4d658f
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
push esi
push edi
test eax, eax
je 0x4d65f2
xor edi, edi
cmp word [eax], di
je 0x4d65f2
push edi
push 0x80
push 2
push edi
push edi
push 0xc0000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
jne 0x4d65c8
pop edi
pop esi
pop ebp
jmp dword [sym.imp.KERNEL32.dll_GetLastError]
push edi
lea eax, [ebp + 8]
push eax
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push esi
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
jne 0x4d65e7
pop edi
pop esi
pop ebp
jmp dword [sym.imp.KERNEL32.dll_GetLastError]
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
jmp 0x4d65f5
xor eax, eax
inc eax
pop edi
pop esi
pop ebp
ret

Function at 0x4d7a98
Capabilities:
Encode data using xor
Encrypt data using tea

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [ebp + 8]
xor edx, edx
mov ecx, dword [ebp + 0xc]
push esi
push edi
mov eax, dword [eax]
mov edi, 0xb54cda56
mov dword [ebp + 0xc], eax
lea esi, [ecx - 1]
push 0x34
pop eax
div ecx
mov dword [ebp - 8], esi
imul eax, eax, 0x61c88647
sub edi, eax
cmp esi, 1
jb 0x4d7b9b
test edi, edi
je 0x4d7b9b
mov ecx, dword [ebp + 8]
mov edx, dword [ebp + 0xc]
push ebx
mov eax, dword [ebp - 8]
mov ebx, edi
shr ebx, 2
and ebx, 3
mov dword [ebp - 4], esi
mov dword [ebp - 0xc], ebx
test eax, eax
je 0x4d7b46
mov edx, dword [ecx + esi*4 - 4]
mov eax, edx
mov ecx, dword [ebp + 0xc]
mov esi, ecx
shr eax, 5
shl esi, 2
xor esi, eax
shr ecx, 3
mov eax, edx
shl eax, 4
xor ecx, eax
mov eax, dword [ebp - 4]
add esi, ecx
and eax, 3
mov ecx, dword [ebp + 0x10]
xor eax, ebx
mov ecx, dword [ecx + eax*4]
mov eax, edi
xor eax, dword [ebp + 0xc]
xor ecx, edx
add ecx, eax
mov eax, dword [ebp - 4]
xor esi, ecx
mov ecx, dword [ebp + 8]
sub dword [ecx + eax*4], esi
mov esi, eax
mov edx, dword [ecx + esi*4]
sub esi, 1
mov dword [ebp + 0xc], edx
mov dword [ebp - 4], esi
jne 0x4d7af2
mov eax, dword [ebp - 8]
mov eax, dword [ecx + eax*4]
and esi, 3
mov ebx, dword [ebp - 8]
mov ecx, dword [ebp + 0xc]
xor esi, dword [ebp - 0xc]
shr eax, 5
shl edx, 2
xor edx, eax
shr ecx, 3
mov eax, dword [ebp + 8]
mov eax, dword [eax + ebx*4]
shl eax, 4
xor ecx, eax
mov eax, dword [ebp + 0x10]
add edx, ecx
mov ecx, dword [eax + esi*4]
mov esi, ebx
mov eax, dword [ebp + 8]
xor ecx, dword [eax + esi*4]
mov eax, edi
xor eax, dword [ebp + 0xc]
add ecx, eax
xor edx, ecx
mov ecx, dword [ebp + 8]
sub dword [ecx], edx
mov edx, dword [ecx]
mov dword [ebp + 0xc], edx
add edi, 0x61c88647
jne 0x4d7add
pop ebx
pop edi
pop esi
leave
ret
Function at 0x4d7b9f
Capabilities:
Encode data using xor
Encrypt data using tea

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov ecx, dword [ebp + 8]
push ebx
push esi
mov esi, dword [ebp + 0xc]
xor ebx, ebx
push edi
lea edi, [esi - 1]
mov eax, dword [ecx + edi*4]
mov dword [ebp + 0xc], eax
cmp edi, 1
jb 0x4d7c90
push 0x34
xor edx, edx
pop eax
div esi
add eax, 6
je 0x4d7c90
sub ebx, 0x61c88647
dec eax
mov dword [ebp - 8], ebx
shr ebx, 2
mov dword [ebp - 0xc], eax
and ebx, 3
xor eax, eax
mov dword [ebp - 4], eax
test edi, edi
je 0x4d7c3f
mov edx, dword [ecx + eax*4 + 4]
mov esi, edx
mov eax, dword [ebp + 0xc]
mov ecx, edx
shr eax, 5
shl esi, 2
xor esi, eax
shr ecx, 3
mov eax, dword [ebp + 0xc]
shl eax, 4
xor ecx, eax
mov eax, dword [ebp - 4]
add esi, ecx
and eax, 3
mov ecx, dword [ebp + 0x10]
xor eax, ebx
mov ecx, dword [ecx + eax*4]
xor ecx, dword [ebp + 0xc]
mov eax, dword [ebp - 8]
xor eax, edx
add ecx, eax
mov eax, dword [ebp - 4]
xor esi, ecx
mov ecx, dword [ebp + 8]
add dword [ecx + eax*4], esi
mov edx, dword [ecx + eax*4]
inc eax
mov dword [ebp + 0xc], edx
mov dword [ebp - 4], eax
cmp eax, edi
jb 0x4d7bee
mov edx, dword [ecx]
mov esi, edx
mov eax, dword [ebp + 0xc]
mov ecx, edx
shr eax, 5
shl esi, 2
xor esi, eax
shr ecx, 3
mov eax, dword [ebp + 0xc]
shl eax, 4
xor ecx, eax
mov eax, dword [ebp + 0x10]
add esi, ecx
mov ecx, dword [ebp - 4]
and ecx, 3
xor ecx, ebx
mov ebx, dword [ebp - 8]
mov ecx, dword [eax + ecx*4]
mov eax, ebx
xor ecx, dword [ebp + 0xc]
xor eax, edx
add ecx, eax
xor esi, ecx
mov ecx, dword [ebp + 8]
add dword [ecx + edi*4], esi
mov eax, dword [ecx + edi*4]
mov dword [ebp + 0xc], eax
mov eax, dword [ebp - 0xc]
test eax, eax
jne 0x4d7bd2
pop edi
pop esi
pop ebx
leave
ret

Function at 0x4d807e
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x120
mov eax, dword [0x71906c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push 0x118
xor ebx, ebx
mov dword [ebp - 0x120], 0x11c
lea eax, [ebp - 0x11c]
push ebx
push eax
call fcn.00507a50
add esp, 0xc
lea eax, [ebp - 0x120]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
lea eax, [ebp - 0x114]
push eax
lea eax, [ebp - 0x118]
push eax
lea eax, [ebp - 0x11c]
push eax
call fcn.004d8033
mov eax, dword [ebp - 0x11c]
add esp, 0xc
cmp eax, 5
jne 0x4d80fd
cmp dword [ebp - 0x118], ebx
jbe 0x4d8143
cmp dword [ebp - 0x118], 1
setne bl
inc ebx
jmp 0x4d8143
cmp eax, 6
jne 0x4d8128
cmp byte [ebp - 6], 1
jne 0x4d8123
mov eax, dword [ebp - 0x118]
sub eax, ebx
je 0x4d811f
sub eax, 1
je 0x4d811b
push 7
jmp 0x4d8125
push 5
jmp 0x4d8125
push 3
jmp 0x4d8125
push 4
pop ebx
jmp 0x4d8143
push 0xa
pop ecx
cmp eax, ecx
jne 0x4d8140
cmp dword [ebp - 0x114], 0x55f0
sbb ebx, ebx
add ebx, 9
jmp 0x4d8143
cmova ebx, ecx
mov ecx, dword [ebp - 4]
mov eax, ebx
xor ecx, ebp
pop ebx
call fcn.0042e165
leave
ret
Function at 0x4d81ab
Capabilities:
Check os version
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x144
mov eax, dword [0x71906c]
xor eax, ebp
mov dword [ebp - 4], eax
lea eax, [ebp - 0x144]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
push 0x118
lea eax, [ebp - 0x11c]
push 0
push eax
call fcn.00507a50
add esp, 0xc
mov dword [ebp - 0x120], 0x11c
lea eax, [ebp - 0x120]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
cmp dword [ebp - 0x11c], 5
jg 0x4d820e
cmp dword [ebp - 0x118], 2
jg 0x4d820e
mov al, 1
jmp 0x4d8210
xor al, al
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042e165
leave
ret