joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4d3e59
Capabilities:
Encode data using xor

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, ecx
mov edx, dword [eax]
mov ecx, dword [eax + 4]
mov ecx, dword [ecx + 0x20]
push ebx
mov ebx, dword [edx + 0x20]
push esi
mov esi, dword [edx + 0x6c]
imul esi, dword [edx + 0x60]
add esi, ebx
cmp ebx, esi
mov dword [ebp - 0x28], eax
mov dword [ebp - 0x14], ecx
mov dword [ebp - 0x18], ebx
mov dword [ebp - 0x24], esi
jae 0x4d3f8a
mov eax, 0xf0f0
push edi
mov edi, dword [edx + 0x60]
mov edx, dword [edx + 0x68]
lea edx, [ebx + edx*2]
add edi, ebx
cmp ebx, edx
mov dword [ebp - 8], ecx
mov dword [ebp - 0xc], ebx
mov dword [ebp - 0x10], edi
mov dword [ebp - 0x20], edx
jae 0x4d3f6a
movzx ecx, word [edi]
movzx edx, word [edi + 2]
movzx esi, word [ebx + 2]
mov dword [ebp - 4], ecx
movzx ecx, word [ebx]
mov ebx, ecx
and bx, ax
mov edi, edx
and di, ax
mov dword [ebp - 0x1c], ecx
and ecx, 0xffff0f0f
add edi, ebx
mov ebx, dword [ebp - 4]
and bx, ax
add edi, ebx
mov ebx, esi
and bx, ax
lea edi, [edi + ebx + 0x2020]
mov ebx, edx
and ebx, 0xffff0f0f
add ebx, ecx
mov ecx, dword [ebp - 4]
and ecx, 0xffff0f0f
add ebx, ecx
mov ecx, esi
and ecx, 0xffff0f0f
lea ecx, [ebx + ecx + 0x202]
mov ebx, dword [ebp - 0xc]
shr ecx, 2
shr edi, 2
xor edi, ecx
mov ecx, dword [ebp - 0x1c]
and ecx, eax
and edx, eax
add edx, ecx
mov ecx, dword [ebp - 4]
and ecx, eax
add edx, ecx
and esi, eax
and edi, 0xffff0f0f
lea ecx, [edx + esi + 0x2020]
shr ecx, 2
xor edi, ecx
mov ecx, dword [ebp - 8]
add dword [ebp - 8], 2
mov word [ecx], di
mov edi, dword [ebp - 0x10]
add ebx, 4
add edi, 4
cmp ebx, dword [ebp - 0x20]
mov dword [ebp - 0xc], ebx
mov dword [ebp - 0x10], edi
jb 0x4d3eb2
mov ecx, dword [ebp - 0x14]
mov ebx, dword [ebp - 0x18]
mov esi, dword [ebp - 0x24]
mov edx, dword [ebp - 0x28]
mov edi, dword [edx + 4]
add ecx, dword [edi + 0x60]
mov edx, dword [edx]
mov edi, dword [edx + 0x60]
lea ebx, [ebx + edi*2]
cmp ebx, esi
mov dword [ebp - 0x14], ecx
mov dword [ebp - 0x18], ebx
jb 0x4d3e93
pop edi
pop esi
xor eax, eax
pop ebx
leave
ret
Function at 0x4d3f90
Capabilities:
Encode data using xor

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, ecx
mov ecx, dword [eax + 4]
mov ecx, dword [ecx + 0x20]
push ebx
push edi
mov dword [ebp - 0x28], eax
mov eax, dword [eax]
mov edi, dword [eax + 0x6c]
imul edi, dword [eax + 0x60]
mov ebx, dword [eax + 0x20]
add edi, ebx
cmp ebx, edi
mov dword [ebp - 0x14], ecx
mov dword [ebp - 0x18], ebx
mov dword [ebp - 0x24], edi
jae 0x4d40a8
push esi
mov esi, 0xe3
mov edx, dword [eax + 0x60]
mov eax, dword [eax + 0x68]
add eax, ebx
add edx, ebx
cmp ebx, eax
mov dword [ebp - 8], ecx
mov dword [ebp - 0xc], ebx
mov dword [ebp - 0x10], edx
mov dword [ebp - 0x20], eax
jae 0x4d4088
movzx ecx, byte [edx]
movzx eax, byte [edx + 1]
movzx edi, byte [ebx + 1]
mov dword [ebp - 4], ecx
movzx ecx, byte [ebx]
mov ebx, ecx
and ebx, 0x1c
mov edx, eax
and edx, 0x1c
add edx, ebx
mov ebx, dword [ebp - 4]
and ebx, 0x1c
add edx, ebx
mov dword [ebp - 0x1c], ecx
and cx, si
mov ebx, edi
and ebx, 0x1c
lea edx, [edx + ebx + 8]
mov ebx, eax
and bx, si
shr edx, 2
and ax, si
add ebx, ecx
mov ecx, dword [ebp - 4]
and cx, si
add ebx, ecx
mov ecx, edi
and cx, si
and di, si
lea ecx, [ebx + ecx + 0x42]
shr ecx, 2
xor dl, cl
mov ecx, dword [ebp - 0x1c]
mov ebx, dword [ebp - 0xc]
and cx, si
and dl, 0x1c
add eax, ecx
mov ecx, dword [ebp - 4]
and cx, si
add eax, ecx
lea eax, [eax + edi + 0x42]
shr eax, 2
xor dl, al
mov eax, dword [ebp - 8]
inc dword [ebp - 8]
mov byte [eax], dl
mov edx, dword [ebp - 0x10]
inc ebx
inc ebx
inc edx
inc edx
cmp ebx, dword [ebp - 0x20]
mov dword [ebp - 0xc], ebx
mov dword [ebp - 0x10], edx
jb 0x4d3fe8
mov ecx, dword [ebp - 0x14]
mov ebx, dword [ebp - 0x18]
mov edi, dword [ebp - 0x24]
mov eax, dword [ebp - 0x28]
mov edx, dword [eax + 4]
add ecx, dword [edx + 0x60]
mov eax, dword [eax]
mov edx, dword [eax + 0x60]
lea ebx, [ebx + edx*2]
cmp ebx, edi
mov dword [ebp - 0x14], ecx
mov dword [ebp - 0x18], ebx
jb 0x4d3fca
pop esi
pop edi
xor eax, eax
pop ebx
leave
ret
Function at 0x4d413a
Capabilities:
Encode data using xor

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x28
push ebx
mov eax, ecx
mov ecx, dword [eax + 4]
mov ecx, dword [ecx + 0x20]
push esi
mov esi, dword [eax]
mov ebx, dword [esi + 0x20]
push edi
mov edi, dword [esi + 0x6c]
imul edi, dword [esi + 0x60]
add edi, ebx
cmp ebx, edi
mov dword [ebp - 0x28], eax
mov dword [ebp - 0x18], ecx
mov dword [ebp - 0x1c], ebx
mov dword [ebp - 0x24], edi
jae 0x4d4261
mov eax, 0xff1c
mov edx, dword [esi + 0x60]
mov esi, dword [esi + 0x68]
lea esi, [ebx + esi*2]
add edx, ebx
cmp ebx, esi
mov dword [ebp - 8], ecx
mov dword [ebp - 0x10], ebx
mov dword [ebp - 0x14], edx
mov dword [ebp - 0x20], esi
jae 0x4d4242
movzx esi, word [edx + 2]
movzx ecx, word [edx]
movzx edx, word [ebx]
movzx edi, word [ebx + 2]
mov dword [ebp - 4], ecx
mov dword [ebp - 0xc], edx
mov ebx, esi
mov ecx, 0xe3
and dx, cx
and bx, cx
add ebx, edx
mov edx, dword [ebp - 4]
and dx, cx
add ebx, edx
mov edx, edi
and dx, cx
mov ecx, esi
and cx, ax
and esi, eax
lea edx, [ebx + edx + 0x42]
mov ebx, dword [ebp - 0xc]
and bx, ax
shr edx, 2
add ecx, ebx
mov ebx, dword [ebp - 4]
and bx, ax
add ecx, ebx
mov ebx, edi
and bx, ax
and edi, eax
lea ecx, [ecx + ebx + 0x208]
mov ebx, dword [ebp - 0x10]
shr ecx, 2
xor dl, cl
mov ecx, dword [ebp - 0xc]
and ecx, eax
add esi, ecx
mov ecx, dword [ebp - 4]
and ecx, eax
add esi, ecx
and edx, 0xffff00e3
lea ecx, [esi + edi + 0x208]
shr ecx, 2
xor edx, ecx
mov ecx, dword [ebp - 8]
add dword [ebp - 8], 2
mov word [ecx], dx
mov edx, dword [ebp - 0x14]
add ebx, 4
add edx, 4
cmp ebx, dword [ebp - 0x20]
mov dword [ebp - 0x10], ebx
mov dword [ebp - 0x14], edx
jb 0x4d4193
mov ecx, dword [ebp - 0x18]
mov ebx, dword [ebp - 0x1c]
mov edi, dword [ebp - 0x24]
mov edx, dword [ebp - 0x28]
mov esi, dword [edx + 4]
add ecx, dword [esi + 0x60]
mov esi, dword [edx]
mov edx, dword [esi + 0x60]
lea ebx, [ebx + edx*2]
cmp ebx, edi
mov dword [ebp - 0x18], ecx
mov dword [ebp - 0x1c], ebx
jb 0x4d4174
pop edi
pop esi
xor eax, eax
pop ebx
leave
ret
Function at 0x4d4371
Capabilities:
Encode data using xor

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x28
push ebx
mov eax, ecx
mov ecx, dword [eax + 4]
mov ecx, dword [ecx + 0x20]
push esi
mov esi, dword [eax]
mov ebx, dword [esi + 0x20]
push edi
mov edi, dword [esi + 0x6c]
imul edi, dword [esi + 0x60]
add edi, ebx
cmp ebx, edi
mov dword [ebp - 0x28], eax
mov dword [ebp - 0x18], ecx
mov dword [ebp - 0x1c], ebx
mov dword [ebp - 0x24], edi
jae 0x4d4498
mov eax, 0xff00
mov edx, dword [esi + 0x60]
mov esi, dword [esi + 0x68]
lea esi, [ebx + esi*2]
add edx, ebx
cmp ebx, esi
mov dword [ebp - 8], ecx
mov dword [ebp - 0x10], ebx
mov dword [ebp - 0x14], edx
mov dword [ebp - 0x20], esi
jae 0x4d4479
movzx esi, word [edx + 2]
movzx ecx, word [edx]
movzx edx, word [ebx]
movzx edi, word [ebx + 2]
mov dword [ebp - 4], ecx
mov dword [ebp - 0xc], edx
mov ebx, esi
mov ecx, 0xff
and dx, cx
and bx, cx
add ebx, edx
mov edx, dword [ebp - 4]
and dx, cx
add ebx, edx
mov edx, edi
and dx, cx
mov ecx, esi
and cx, ax
and esi, eax
lea edx, [ebx + edx + 2]
mov ebx, dword [ebp - 0xc]
and bx, ax
shr edx, 2
add ecx, ebx
mov ebx, dword [ebp - 4]
and bx, ax
add ecx, ebx
mov ebx, edi
and bx, ax
and edi, eax
lea ecx, [ecx + ebx + 0x200]
mov ebx, dword [ebp - 0x10]
shr ecx, 2
xor dl, cl
mov ecx, dword [ebp - 0xc]
and ecx, eax
add esi, ecx
mov ecx, dword [ebp - 4]
and ecx, eax
add esi, ecx
and edx, 0xffff00ff
lea ecx, [esi + edi + 0x200]
shr ecx, 2
xor edx, ecx
mov ecx, dword [ebp - 8]
add dword [ebp - 8], 2
mov word [ecx], dx
mov edx, dword [ebp - 0x14]
add ebx, 4
add edx, 4
cmp ebx, dword [ebp - 0x20]
mov dword [ebp - 0x10], ebx
mov dword [ebp - 0x14], edx
jb 0x4d43ca
mov ecx, dword [ebp - 0x18]
mov ebx, dword [ebp - 0x1c]
mov edi, dword [ebp - 0x24]
mov edx, dword [ebp - 0x28]
mov esi, dword [edx + 4]
add ecx, dword [esi + 0x60]
mov esi, dword [edx]
mov edx, dword [esi + 0x60]
lea ebx, [ebx + edx*2]
cmp ebx, edi
mov dword [ebp - 0x18], ecx
mov dword [ebp - 0x1c], ebx
jb 0x4d43ab
pop edi
pop esi
xor eax, eax
pop ebx
leave
ret
Function at 0x4d449f
Capabilities:
Encode data using xor

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, ecx
mov ecx, dword [eax + 4]
mov ecx, dword [ecx + 0x20]
push ebx
push edi
mov dword [ebp - 0x28], eax
mov eax, dword [eax]
mov edi, dword [eax + 0x6c]
imul edi, dword [eax + 0x60]
mov ebx, dword [eax + 0x20]
add edi, ebx
cmp ebx, edi
mov dword [ebp - 0x14], ecx
mov dword [ebp - 0x18], ebx
mov dword [ebp - 0x24], edi
jae 0x4d45b7
push esi
mov esi, 0xf0
mov edx, dword [eax + 0x60]
mov eax, dword [eax + 0x68]
add eax, ebx
add edx, ebx
cmp ebx, eax
mov dword [ebp - 8], ecx
mov dword [ebp - 0xc], ebx
mov dword [ebp - 0x10], edx
mov dword [ebp - 0x20], eax
jae 0x4d4597
movzx ecx, byte [edx]
movzx eax, byte [edx + 1]
movzx edi, byte [ebx + 1]
mov dword [ebp - 4], ecx
movzx ecx, byte [ebx]
mov ebx, ecx
and ebx, 0xf
mov edx, eax
and edx, 0xf
add edx, ebx
mov ebx, dword [ebp - 4]
and ebx, 0xf
add edx, ebx
mov dword [ebp - 0x1c], ecx
and cx, si
mov ebx, edi
and ebx, 0xf
lea edx, [edx + ebx + 2]
mov ebx, eax
and bx, si
shr edx, 2
and ax, si
add ebx, ecx
mov ecx, dword [ebp - 4]
and cx, si
add ebx, ecx
mov ecx, edi
and cx, si
and di, si
lea ecx, [ebx + ecx + 0x20]
shr ecx, 2
xor dl, cl
mov ecx, dword [ebp - 0x1c]
mov ebx, dword [ebp - 0xc]
and cx, si
and dl, 0xf
add eax, ecx
mov ecx, dword [ebp - 4]
and cx, si
add eax, ecx
lea eax, [eax + edi + 0x20]
shr eax, 2
xor dl, al
mov eax, dword [ebp - 8]
inc dword [ebp - 8]
mov byte [eax], dl
mov edx, dword [ebp - 0x10]
inc ebx
inc ebx
inc edx
inc edx
cmp ebx, dword [ebp - 0x20]
mov dword [ebp - 0xc], ebx
mov dword [ebp - 0x10], edx
jb 0x4d44f7
mov ecx, dword [ebp - 0x14]
mov ebx, dword [ebp - 0x18]
mov edi, dword [ebp - 0x24]
mov eax, dword [ebp - 0x28]
mov edx, dword [eax + 4]
add ecx, dword [edx + 0x60]
mov eax, dword [eax]
mov edx, dword [eax + 0x60]
lea ebx, [ebx + edx*2]
cmp ebx, edi
mov dword [ebp - 0x14], ecx
mov dword [ebp - 0x18], ebx
jb 0x4d44d9
pop esi
pop edi
xor eax, eax
pop ebx
leave
ret
Function at 0x4e2c61
Capabilities:
Get file size
Read file via mapping

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x98
push esi
xor esi, esi
cmp dword [ebp + 8], esi
push edi
mov edi, ecx
mov dword [ebp - 4], esi
jne 0x4e2c84
mov eax, 0x8876086c
jmp 0x4e2d99
cmp dword [ebp + 0xc], esi
push ebx
je 0x4e2d1c
lea eax, [ebp - 0x98]
push eax
mov dword [ebp - 0x98], 0x94
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp dword [ebp - 0x88], 2
je 0x4e2cfc
mov ebx, dword [sym.imp.KERNEL32.dll_WideCharToMultiByte]
push esi
push esi
push esi
push esi
push 0xffffffffffffffff
push dword [ebp + 8]
push esi
push 0xfde9
call ebx
push eax
mov dword [ebp + 0xc], eax
call fcn.0045a030
cmp eax, esi
pop ecx
mov dword [ebp - 4], eax
jne 0x4e2ce0
mov eax, 0x8007000e
jmp 0x4e2d98
push esi
push esi
push dword [ebp + 0xc]
push eax
push 0xffffffffffffffff
push dword [ebp + 8]
push esi
push 0xfde9
call ebx
mov eax, dword [ebp - 4]
mov dword [ebp + 8], eax
mov dword [ebp + 0xc], esi
cmp dword [ebp + 0xc], esi
je 0x4e2d1c
push esi
push 0x10000000
push 3
push esi
push 1
push DirectSoundCreate
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
jmp 0x4e2d35
push esi
push 0x10000000
push 3
push esi
push 1
push DirectSoundCreate
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateFileA]
push dword [ebp - 4]
mov dword [edi], eax
call fcn.0045a03e
mov eax, dword [edi]
cmp eax, 0xffffffff
pop ecx
je 0x4e2d86
push esi
push esi
push esi
push 2
push esi
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileMappingA]
cmp eax, 0xffffffff
mov dword [edi + 4], eax
je 0x4e2d86
push esi
push dword [edi]
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, 0xffffffff
mov dword [edi + 0xc], eax
je 0x4e2d86
cmp eax, esi
je 0x4e2d93
push esi
push esi
push esi
push 4
push dword [edi + 4]
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
cmp eax, esi
mov dword [edi + 8], eax
jne 0x4e2d96
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov eax, 0x88760b59
jmp 0x4e2d98
mov dword [edi + 8], esi
xor eax, eax
pop ebx
pop edi
pop esi
leave
ret 8
Function at 0x4e35a2
Capabilities:
Get system information on windows
Query or enumerate registry value

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x34
push edi
lea eax, [ebp - 4]
push eax
push str.SoftwareMicrosoftDirect3D
push 0x80000002
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
xor edi, edi
test eax, eax
jne 0x4e3612
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x10]
push eax
lea eax, [ebp - 0xc]
push eax
push edi
push 0x56fcbc
push dword [ebp - 4]
mov dword [ebp - 8], 4
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x4e3609
cmp dword [ebp - 0xc], 4
jne 0x4e3609
cmp dword [ebp - 0x10], edi
je 0x4e3609
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov dword [0x59b3d8], edi
xor eax, eax
jmp 0x4e3651
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
cmp dword [0x59b3d8], edi
jge 0x4e364c
lea eax, [ebp - 0x34]
push eax
mov dword [0x59b3d8], edi
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
cmp word [ebp - 0x34], di
jne 0x4e364c
cmp word [ebp - 0x14], 5
jb 0x4e364c
call fcn.004e357a
test eax, eax
je 0x4e364c
emms
mov dword [0x59b3d8], 1
mov eax, dword [0x59b3d8]
pop edi
leave
ret
Function at 0x500a2f
Capabilities:
Enumerate pe sections

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x18
push ebx
push esi
mov esi, dword [ebp + 0xc]
push edi
imul esi, esi, 0x64
mov edi, dword [ebp + 8]
imul edi, edi, 0x64
add edi, dword [ecx + 0x2c]
mov dword [ebp - 4], ecx
add esi, dword [edi + 4]
mov eax, dword [esi + 0x38]
mov ecx, dword [eax]
push eax
call dword [ecx + 0xc]
mov ebx, eax
mov eax, dword [ebx + 0xc]
add eax, dword [edi]
xor ecx, ecx
mov dword [ebp - 8], eax
mov eax, dword [ebx + 4]
mov dword [ebp + 0xc], eax
mov eax, dword [ebp - 4]
test byte [eax + 0x118], 1
mov dword [ebp - 0xc], ecx
mov dword [ebp + 8], ecx
jne 0x500aa5
push ecx
push ecx
call fcn.004638cc
mov ecx, dword [ebp - 4]
push 0x30000
push 0
mov dword [ecx + 0x114], eax
call fcn.004638cc
mov eax, dword [ebp - 4]
add esp, 0x10
or dword [eax + 0x118], 1
xor edx, edx
cmp dword [esi + 0x3c], edx
je 0x500b80
mov ecx, dword [edi]
mov eax, dword [ebx + 0x10]
add eax, ecx
mov dword [ebp - 0x10], eax
mov eax, dword [ebx + 0x14]
add eax, ecx
mov dword [ebp - 0x18], eax
mov eax, dword [ebx + 0x18]
add eax, ecx
cmp word [esi + 0x4e], dx
mov dword [ebp - 0x14], eax
mov dword [ebp + 8], edx
jbe 0x500b72
movzx ecx, word [ebp + 8]
shl ecx, 5
add ecx, dword [esi + 0x34]
cmp dword [ecx], edx
je 0x500b5f
mov eax, dword [ecx + 4]
mov dword [ecx], eax
mov eax, dword [ecx + 0x10]
movzx edx, word [eax + 4]
sub edx, 0
je 0x500b3a
dec edx
je 0x500b13
dec edx
jne 0x500b5f
push 0xffffffffffffffff
lea edx, [ebp - 0xc]
push edx
movzx edx, word [eax + 8]
push eax
movzx eax, word [eax + 6]
shl eax, 5
add eax, dword [ebp - 0x10]
jmp 0x500b28
push 0xffffffffffffffff
lea edx, [ebp - 0xc]
push edx
movzx edx, word [eax + 8]
push eax
movzx eax, word [eax + 6]
shl eax, 5
add eax, dword [ebp - 0x14]
push dword [esi + 0x3c]
push edx
push eax
push dword [ecx + 0xc]
mov ecx, dword [ebp - 4]
call fcn.004ffec9
jmp 0x500b5f
push 0xffffffffffffffff
lea edx, [ebp - 0xc]
push edx
movzx edx, word [eax + 8]
push eax
push dword [esi + 0x3c]
movzx eax, word [eax + 6]
push edx
mov edx, dword [ebp - 0x18]
lea eax, [edx + eax*8]
push eax
push dword [ecx + 0xc]
mov ecx, dword [ebp - 4]
call fcn.00500262
inc dword [ebp + 8]
mov ax, word [ebp + 8]
xor edx, edx
cmp ax, word [esi + 0x4e]
jb 0x500ad7
mov edi, dword [edi]
add edi, dword [ebx + 0x10]
mov eax, dword [ebx + 8]
mov dword [ebp - 0xc], edi
mov dword [ebp + 8], eax
push dword [ebp + 0xc]
push dword [ebp + 0xc]
push dword [ebp + 0xc]
push edx
push dword [ebp + 8]
push edx
push dword [ebp - 8]
push dword [ebp - 8]
push dword [ebp - 8]
push edx
push dword [ebp - 0xc]
push edx
push dword [esi + 0x44]
push dword [esi + 0x40]
call fcn.004e2337
pop edi
pop esi
pop ebx
leave
ret 8
Function at 0x50ddb8
Capabilities:
Get system information on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x24
push esi
lea eax, [ebp - 0x24]
mov esi, ecx
and dword [esi], 0
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov ecx, dword [ebp - 0x20]
mov eax, dword [ebp + 0xc]
and dword [esi + 8], 0
and dword [esi + 0xc], 0
and dword [esi + 0x10], 0
mov dword [esi + 4], ecx
lea eax, [ecx + eax - 1]
dec ecx
not ecx
and eax, ecx
mov ecx, dword [ebp + 8]
test ecx, ecx
mov dword [esi + 4], eax
jne 0x50ddfd
mov ecx, 0x100000
lea ecx, [eax + ecx - 1]
dec eax
not eax
and ecx, eax
mov dword [esi + 0x14], ecx
mov eax, esi
pop esi
leave
ret 8
Function at 0x54dff6
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov edx, dword [ebx + 0x24]
push esi
mov dword [ebp - 8], edx
push edi
mov ecx, dword [ebx + 0x64]
mov eax, dword [ebx + 0x34]
mov esi, dword [ebx + 0x6c]
sub eax, ecx
sub eax, esi
mov dword [ebp - 4], eax
jne 0x54e022
test ecx, ecx
jne 0x54e02c
test esi, esi
jne 0x54e02c
mov eax, edx
jmp 0x54e09d
cmp eax, 0xffffffff
jne 0x54e02c
push 0xfffffffffffffffe
pop eax
jmp 0x54e09d
mov esi, dword [ebx + 0x24]
lea esi, [edx + esi - 0x106]
cmp ecx, esi
jb 0x54e09d
mov edi, dword [ebx + 0x30]
mov ecx, edx
mov eax, ecx
shr ecx, 2
lea esi, [edi + edx]
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [ebx + 0x44]
mov eax, dword [ebx + 0x3c]
sub dword [ebx + 0x68], edx
sub dword [ebx + 0x64], edx
sub dword [ebx + 0x54], edx
lea eax, [eax + ecx*2]
dec eax
dec eax
movzx esi, word [eax]
mov edi, esi
sub edi, edx
cmp esi, edx
sbb esi, esi
not esi
and esi, edi
dec ecx
mov word [eax], si
jne 0x54e062
mov eax, dword [ebx + 0x38]
mov esi, edx
lea eax, [eax + edx*2]
dec eax
dec eax
movzx ecx, word [eax]
mov edi, ecx
sub edi, edx
cmp ecx, edx
sbb ecx, ecx
not ecx
and ecx, edi
dec esi
mov word [eax], cx
jne 0x54e081
mov eax, dword [ebp - 4]
add eax, edx
mov esi, dword [ebx]
cmp dword [esi + 4], 0
mov dword [ebp - 0xc], esi
je 0x54e14a
mov edi, dword [ebx + 0x6c]
add edi, dword [ebx + 0x64]
mov ecx, dword [esi + 4]
add edi, dword [ebx + 0x30]
cmp ecx, eax
mov dword [ebp - 4], ecx
jbe 0x54e0c2
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
jne 0x54e0cc
xor ecx, ecx
jmp 0x54e10b
sub ecx, dword [ebp - 4]
mov eax, dword [esi + 0x1c]
mov dword [esi + 4], ecx
cmp dword [eax + 0x18], 0
jne 0x54e0ee
push dword [ebp - 4]
push dword [esi]
push dword [esi + 0x30]
call fcn.0055a237
mov edx, dword [ebp - 8]
mov dword [esi + 0x30], eax
mov ecx, dword [ebp - 4]
mov esi, dword [esi]
mov eax, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, eax
mov eax, dword [ebp - 0xc]
add dword [eax], ecx
add dword [eax + 8], ecx
add dword [ebx + 0x6c], ecx
mov edi, dword [ebx + 0x6c]
cmp edi, 3
jb 0x54e136
mov eax, dword [ebx + 0x64]
mov ecx, dword [ebx + 0x30]
lea esi, [eax + ecx]
movzx eax, byte [esi]
mov ecx, dword [ebx + 0x50]
mov dword [ebx + 0x40], eax
shl eax, cl
movzx ecx, byte [esi + 1]
xor eax, ecx
and eax, dword [ebx + 0x4c]
mov dword [ebx + 0x40], eax
cmp edi, 0x106
jae 0x54e14a
mov eax, dword [ebx]
cmp dword [eax + 4], 0
jne 0x54e004
pop edi
pop esi
leave
ret
Function at 0x55e924
Capabilities:
Encode data using xor

Disassembly:
push edi
push esi
push ebp
push ebx
push esi
mov dword [esp], eax
test eax, eax
je 0x55e9d1
mov esi, eax
mov edx, dword [esi]
xor eax, eax
mov byte [edx + 0x16], al
mov ecx, dword [esi]
mov byte [ecx + 0x17], al
mov ebx, dword [esi]
mov byte [ebx + 0x18], al
mov ebp, dword [esi]
mov byte [ebp + 0x19], al
mov ebp, dword [esi + 4]
test ebp, ebp
jle 0x55e97b
mov eax, esi
mov edx, dword [eax]
xor ecx, ecx
xor ebx, ebx
movzx esi, byte [edx + ebx]
mov edi, ecx
shl edi, 8
shr ecx, 0x18
xor ecx, esi
mov eax, ecx
mov ecx, edi
xor ecx, dword [eax*4 + 0x5838a0]
inc ebx
cmp ebx, ebp
jl 0x55e95b
jmp 0x55e981
mov eax, esi
mov edx, dword [eax]
xor ecx, ecx
mov eax, dword [esp]
mov edi, dword [eax + 0xc]
test edi, edi
jle 0x55e9af
mov ebp, dword [eax + 8]
xor esi, esi
movzx eax, byte [ebp + esi]
mov ebx, ecx
shl ebx, 8
shr ecx, 0x18
xor ecx, eax
mov eax, ecx
mov ecx, ebx
xor ecx, dword [eax*4 + 0x5838a0]
inc esi
cmp esi, edi
jl 0x55e990
mov esi, dword [esp]
mov byte [edx + 0x16], cl
mov ebp, dword [esi]
mov eax, ecx
shr eax, 8
mov byte [ebp + 0x17], al
mov ebx, dword [esi]
mov edx, ecx
shr edx, 0x10
mov byte [ebx + 0x18], dl
mov edi, dword [esi]
shr ecx, 0x18
mov byte [edi + 0x19], cl
pop ecx
pop ebx
pop ebp
pop esi
pop edi
ret

Function at 0x55f800
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push ebx
mov ebx, ecx
mov dword [ebp - 8], edx
push esi
push edi
xor esi, esi
mov eax, dword [ebx + 0x3c]
mov eax, dword [eax + ebx + 0x78]
add eax, ebx
mov dword [ebp - 4], eax
mov edi, dword [eax + 0x20]
add edi, ebx
cmp dword [eax + 0x18], esi
jbe 0x55f854
mov edx, dword [edi]
xor eax, eax
add edx, ebx
mov cl, byte [edx]
test cl, cl
je 0x55f843
ror eax, 7
lea edx, [edx + 1]
movsx ecx, cl
add eax, ecx
mov cl, byte [edx]
test cl, cl
jne 0x55f832
cmp eax, dword [ebp - 8]
je 0x55f85d
mov eax, dword [ebp - 4]
inc esi
add edi, 4
cmp esi, dword [eax + 0x18]
jb 0x55f826
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
mov edx, dword [ebp - 4]
pop edi
mov eax, dword [edx + 0x24]
lea eax, [eax + esi*2]
movzx ecx, word [eax + ebx]
mov eax, dword [edx + 0x1c]
pop esi
lea eax, [eax + ecx*4]
mov eax, dword [eax + ebx]
add eax, ebx
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x55f880
Capabilities:
Accept command line arguments
Access peb ldr_data
Terminate process

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5626f0
push 0x45d080
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x58
push ebx
push esi
push edi
mov dword [ebp - 0x18], esp
call dword [sym.imp.KERNEL32.dll_GetVersion]
xor edx, edx
mov dl, ah
mov dword [0x7d48e4], edx
mov ecx, eax
and ecx, 0xff
mov dword [0x7d48e0], ecx
shl ecx, 8
add ecx, edx
mov dword [0x7d48dc], ecx
shr eax, 0x10
mov dword [0x7d48d8], eax
push 1
call fcn.0045bc78
pop ecx
test eax, eax
jne 0x45b9a4
push 0x1c
call fcn.0045ba66
pop ecx
call fcn.0045fc2b
test eax, eax
jne 0x45b9b5
push 0x10
call fcn.0045ba66
pop ecx
xor esi, esi
mov dword [ebp - 4], esi
call fcn.0045f6cb
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
mov dword [0x7d8c14], eax
call fcn.00461787
mov dword [0x7d4930], eax
call fcn.0046153a
call fcn.00461481
call fcn.00459c35
mov dword [ebp - 0x30], esi
lea eax, [ebp - 0x5c]
push eax
call dword [sym.imp.KERNEL32.dll_GetStartupInfoA]
call fcn.00461429
mov dword [ebp - 0x64], eax
test byte [ebp - 0x30], 1
je 0x45ba04
movzx eax, word [ebp - 0x2c]
jmp 0x45ba07
push 0xa
pop eax
push eax
push dword [ebp - 0x64]
push esi
push esi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
push eax
call fcn.00403920
mov dword [ebp - 0x60], eax
push eax
call fcn.00459c62
mov eax, dword [ebp - 0x14]
mov ecx, dword [eax]
mov ecx, dword [ecx]
mov dword [ebp - 0x68], ecx
push eax
push ecx
call fcn.0045fd99
pop ecx
pop ecx
ret
mov eax, dword fs:[0x30]
mov eax, dword [eax + 0xc]
mov eax, dword [eax + 0xc]
mov eax, dword [eax]
mov eax, dword [eax]
mov ecx, dword [eax + 0x18]
mov edx, 0x3a577b9
call fcn.0055f800
sub esp, 0x10
mov ecx, esp
mov ecx, 0x377948eb
xor ecx, 0x50132cd9
mov dword [esp], ecx
mov ecx, 0x3ea04f1b
xor ecx, 0x10c5227a
mov dword [esp + 4], ecx
mov ecx, 0x70147333
xor ecx, 0x70600b47
mov dword [esp + 8], ecx
push esp
call eax
add esp, 0x10
cmp eax, 0xffffffff
jne 0x45b939
ret