joyce8/EMBER2024-capa huggingface dataset:
Function at 0x44a7b0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ebx
mov ebx, dword [ebp + 8]
push esi
mov esi, ecx
push edi
test ebx, ebx
jne 0x44a80a
cmp byte [esi + 0x2c], bl
jne 0x44a801
mov edx, dword [str.Failed_to_open_file]
mov ecx, edx
mov byte [esi + 0x2c], 1
mov dword [esi + 0x30], 2
lea edi, [ecx + 1]
nop word [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x44a7e0
sub ecx, edi
push ecx
push edx
lea ecx, [esi + 0x34]
call fcn.00449460
mov dword [esi + 0x40], 0xffffffff
mov dword [esi + 0x3c], 0xffffffff
pop edi
pop esi
xor al, al
pop ebx
pop ebp
ret 8
mov edi, dword [esi + 0x18]
test edi, edi
je 0x44a820
mov ecx, edi
mov edi, dword [edi + 0x28]
push 1
mov eax, dword [ecx]
call dword [eax]
test edi, edi
jne 0x44a811
push 2
mov dword [esi + 0x18], 0
mov dword [esi + 0x1c], 0
push 0
push ebx
mov dword [esi + 8], 0xffffffff
mov dword [esi + 4], 0xffffffff
call fcn.004ae65d
push ebx
call fcn.004aebcf
push 0
mov edi, eax
push 0
push ebx
mov dword [ebp + 8], edi
call fcn.004ae65d
add esp, 0x1c
test edi, edi
jg 0x44a88c
cmp byte [esi + 0x2c], 0
jne 0x44a801
mov edx, dword [str.Error_document_empty.]
mov ecx, edx
mov byte [esi + 0x2c], 1
mov dword [esi + 0x30], 0xc
lea edi, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x44a880
jmp 0x44a7e7
lea eax, [edi + 1]
push eax
call fcn.0048398d
push ebx
mov ebx, dword [ebp + 8]
mov edi, eax
push 1
push ebx
push edi
mov byte [edi], 0
call fcn.004aeda6
add esp, 0x14
cmp eax, 1
je 0x44a8e4
push edi
call fcn.0048351e
add esp, 4
cmp byte [esi + 0x2c], 0
jne 0x44a801
mov edx, dword [str.Failed_to_open_file]
mov ecx, edx
mov byte [esi + 0x2c], 1
mov dword [esi + 0x30], 2
lea edi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x44a8d8
jmp 0x44a7e7
mov byte [edi + ebx], 0
mov eax, edi
cmp byte [edi], 0
mov ecx, edi
je 0x44a90f
mov dl, byte [eax]
mov ebx, eax
cmp dl, 0xd
jne 0x44a906
inc eax
mov byte [ecx], 0xa
cmp byte [eax], 0xa
cmovne eax, ebx
jmp 0x44a908
mov byte [ecx], dl
inc eax
inc ecx
cmp byte [eax], 0
jne 0x44a8f1
mov byte [ecx], 0
mov ecx, esi
mov eax, dword [esi]
push 0
push 0
push edi
call dword [eax + 8]
push edi
call fcn.0048351e
add esp, 4
cmp byte [esi + 0x2c], 0
sete al
pop edi
pop esi
pop ebx
pop ebp
ret 8
Function at 0x44ff10
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
mov ebx, edx
mov dword [ebp - 4], ecx
mov esi, dword [edi]
test esi, esi
je 0x44ff6f
mov dword [edi], 0
mov edx, 0x400000
push 0
lea eax, [ebp + 8]
mov dword [ebp + 8], 0
push eax
cmp esi, 0x400000
mov eax, esi
cmova eax, edx
push eax
push ebx
push dword [ecx]
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov ecx, dword [ebp + 8]
add ebx, ecx
add dword [edi], ecx
sub esi, ecx
test eax, eax
je 0x44ff78
test ecx, ecx
je 0x44ff6f
mov ecx, dword [ebp - 4]
mov edx, 0x400000
test esi, esi
jne 0x44ff30
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
call dword [sym.imp.KERNEL32.dll_GetLastError]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x4501c0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
xor eax, eax
push ebx
push esi
push edi
nop dword [eax + eax]
mov edx, eax
mov ecx, eax
and edx, 1
shr ecx, 1
dec edx
not edx
and edx, 0xedb88320
xor edx, ecx
mov ecx, edx
shr edx, 1
and ecx, 1
dec ecx
not ecx
and ecx, 0xedb88320
xor ecx, edx
mov edx, ecx
shr ecx, 1
and edx, 1
dec edx
not edx
and edx, 0xedb88320
xor edx, ecx
mov ecx, edx
shr edx, 1
and ecx, 1
dec ecx
not ecx
and ecx, 0xedb88320
xor ecx, edx
mov edx, ecx
shr ecx, 1
and edx, 1
dec edx
not edx
and edx, 0xedb88320
xor edx, ecx
mov ecx, edx
shr edx, 1
and ecx, 1
dec ecx
not ecx
and ecx, 0xedb88320
xor ecx, edx
mov edx, ecx
shr ecx, 1
and edx, 1
dec edx
not edx
and edx, 0xedb88320
xor edx, ecx
mov ecx, edx
shr edx, 1
and ecx, 1
dec ecx
not ecx
and ecx, 0xedb88320
xor ecx, edx
mov dword [eax*4 + 0x507de0], ecx
inc eax
cmp eax, 0x100
jb 0x4501d0
cmp eax, 0x800
jae 0x4502a3
nop dword [eax]
mov edx, dword [eax*4 + 0x5079e0]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x507de0]
mov dword [eax*4 + 0x507de0], edx
inc eax
cmp eax, 0x800
jb 0x450280
lea ecx, [ebp - 0x20]
mov dword [0x507188], 0x450ed0
call fcn.00450fd0
test eax, eax
je 0x45035c
mov edi, dword [ebp - 0x10]
xor ecx, ecx
mov esi, edi
mov eax, 0x501c48
shr esi, 8
shr edi, 4
and esi, 0xff00f
and edi, 0xf00f
xor edx, edx
nop dword [eax]
mov ebx, dword [ebp - 0x1c]
cmp dword [eax - 8], ebx
jne 0x4502f7
mov ebx, dword [ebp - 0x18]
cmp dword [eax - 4], ebx
mov ebx, dword [ebp - 0x14]
jne 0x4502f7
cmp dword [eax], ebx
je 0x450306
add edx, 0xc
inc ecx
add eax, 0xc
cmp edx, 0x24
jb 0x4502e0
or ecx, 0xffffffff
sub ecx, 0
je 0x450343
sub ecx, 1
je 0x450332
sub ecx, 1
jne 0x45035c
cmp esi, 6
jb 0x45035c
jne 0x450352
cmp edi, 0xf
jb 0x45035c
mov dword [0x507188], 0x450f70
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
cmp esi, 5
jb 0x45035c
jne 0x450352
cmp edi, 6
jb 0x45035c
cmp edi, 0xa
jmp 0x450350
cmp esi, 6
jb 0x45035c
jne 0x450352
cmp edi, 0x100c
je 0x45035c
mov dword [0x507188], 0x450f70
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x452cb0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
mov eax, dword [ebp + 0xc]
push edi
xor edi, edi
mov dword [ebp - 4], ecx
mov eax, dword [eax]
and eax, 7
cmp edx, 5
jae 0x452cd0
xor eax, eax
pop edi
mov esp, ebp
pop ebp
ret
push ebx
add edx, 0xfffffffc
or ebx, 0xffffffff
add edx, ecx
push esi
mov dword [ebp - 8], edx
nop dword [eax]
lea esi, [edi + ecx]
cmp esi, edx
jae 0x452cf9
mov cl, byte [esi]
and cl, 0xfe
cmp cl, 0xe8
je 0x452cf6
inc esi
cmp esi, edx
jb 0x452ce7
mov ecx, dword [ebp - 4]
mov edi, esi
sub edi, ecx
mov ecx, edi
sub ecx, ebx
cmp esi, edx
jae 0x452e09
cmp ecx, 3
jbe 0x452d38
xor eax, eax
mov cl, byte [esi + 4]
mov ebx, edi
mov dword [ebp - 0x10], ebx
test cl, cl
je 0x452d76
cmp cl, 0xff
je 0x452d76
mov edx, dword [ebp - 8]
and eax, 3
add eax, eax
mov ecx, 1
or eax, 1
add edi, ecx
mov ecx, dword [ebp - 4]
jmp 0x452ce0
dec ecx
shl eax, cl
and eax, 7
je 0x452d10
movzx ecx, byte [eax + 0x4e2f88]
mov edx, esi
sub edx, ecx
cmp byte [eax + 0x4e2f80], 0
mov cl, byte [edx + 4]
je 0x452d60
test cl, cl
je 0x452d60
cmp cl, 0xff
jne 0x452d10
mov edx, dword [ebp - 8]
and eax, 3
mov ecx, dword [ebp - 4]
add eax, eax
mov ebx, edi
or eax, 1
inc edi
jmp 0x452ce0
movzx edx, cl
movzx ecx, byte [esi + 3]
shl edx, 8
or edx, ecx
movzx ecx, byte [esi + 2]
shl edx, 8
or edx, ecx
movzx ecx, byte [esi + 1]
shl edx, 8
or edx, ecx
sub edx, edi
lea ebx, [edx - 5]
test eax, eax
je 0x452dd2
movzx edx, byte [eax + 0x4e2f88]
mov ecx, 0x18
shl edx, 3
sub ecx, edx
mov dword [ebp - 0xc], edx
mov edx, ebx
shr edx, cl
test dl, dl
je 0x452dbe
cmp dl, 0xff
jne 0x452dd2
mov ecx, 0x20
mov edx, 1
sub ecx, dword [ebp - 0xc]
shl edx, cl
dec edx
xor edx, ebx
jmp 0x452d94
mov edx, dword [ebp - 8]
mov ecx, ebx
shr ecx, 0x18
and cl, 1
mov byte [esi + 1], bl
dec cl
not cl
mov byte [esi + 4], cl
mov ecx, ebx
shr ecx, 0x10
mov byte [esi + 3], cl
mov ecx, ebx
mov ebx, dword [ebp - 0x10]
shr ecx, 8
mov byte [esi + 2], cl
mov ecx, 5
add edi, ecx
mov ecx, dword [ebp - 4]
jmp 0x452ce0
pop esi
pop ebx
cmp ecx, 3
jbe 0x452e1e
mov ecx, dword [ebp + 0xc]
xor eax, eax
mov dword [ecx], eax
mov eax, edi
pop edi
mov esp, ebp
pop ebp
ret
dec ecx
shl eax, cl
mov ecx, dword [ebp + 0xc]
and eax, 7
mov dword [ecx], eax
mov eax, edi
pop edi
mov esp, ebp
pop ebp
ret

Function at 0x453bf0
Capabilities:
Create process on windows

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
push ebx
cmp dword [eax - 0xc], 0
jne 0x453c01
xor ebx, ebx
jmp 0x453c1d
push 1
push 0
push 0
push eax
push 0
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteW]
xor ebx, ebx
cmp eax, 0x20
mov eax, dword [ebp + 8]
setg bl
add eax, 0xfffffff0
or ecx, 0xffffffff
lock xadd dword [eax + 0xc], ecx
dec ecx
test ecx, ecx
jg 0x453c35
mov ecx, dword [eax]
push eax
mov edx, dword [ecx]
call dword [edx + 4]
mov eax, ebx
pop ebx
pop ebp
ret
Function at 0x454100
Capabilities:
Create directory
Delete file

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4cb900
mov eax, dword fs:[0]
push eax
sub esp, 0x10
push esi
push edi
mov eax, dword [0x501108]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, edx
mov esi, ecx
mov dword [ebp - 0x18], esi
mov edx, str.MasterPDFData
mov dword [ebp - 0x1c], 0
lea ecx, [ebp - 0x10]
call fcn.00466970
mov dword [ebp - 4], 0
push dword [ebp - 0x10]
call dword [sym.imp.SHLWAPI.dll_PathIsDirectoryW]
test eax, eax
jne 0x45416c
push dword [ebp - 0x10]
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push 0
push dword [ebp - 0x10]
push 0
call dword [sym.imp.SHELL32.dll_SHCreateDirectoryExW]
test edi, edi
je 0x4541c6
push edi
lea ecx, [ebp - 0x14]
call fcn.00404260
lea eax, [ebp - 0x14]
mov byte [ebp - 4], 1
push eax
lea edx, [ebp - 0x10]
mov ecx, esi
call fcn.004647c0
mov byte [ebp - 4], 0
or edi, 0xffffffff
mov edx, dword [ebp - 0x14]
add esp, 4
add edx, 0xfffffff0
mov eax, edi
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x4541af
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov dword [ebp - 4], 0xffffffff
mov edx, dword [ebp - 0x10]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], edi
dec edi
test edi, edi
jmp 0x4541f2
mov eax, dword [ebp - 0x10]
add eax, 0xfffffff0
push eax
call fcn.004043f0
add eax, 0x10
mov dword [ebp - 4], 0xffffffff
mov edx, dword [ebp - 0x10]
add esp, 4
mov dword [esi], eax
add edx, 0xfffffff0
or eax, 0xffffffff
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x4541fc
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x454210
Capabilities:
Create directory
Delete file

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4cb900
mov eax, dword fs:[0]
push eax
sub esp, 0x10
push esi
push edi
mov eax, dword [0x501108]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, edx
mov esi, ecx
mov dword [ebp - 0x18], esi
mov edx, str.UserData
mov dword [ebp - 0x1c], 0
lea ecx, [ebp - 0x10]
call fcn.00454100
mov dword [ebp - 4], 0
push dword [ebp - 0x10]
call dword [sym.imp.SHLWAPI.dll_PathIsDirectoryW]
test eax, eax
jne 0x45427c
push dword [ebp - 0x10]
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push 0
push dword [ebp - 0x10]
push 0
call dword [sym.imp.SHELL32.dll_SHCreateDirectoryExW]
test edi, edi
je 0x4542d6
push edi
lea ecx, [ebp - 0x14]
call fcn.00404260
lea eax, [ebp - 0x14]
mov byte [ebp - 4], 1
push eax
lea edx, [ebp - 0x10]
mov ecx, esi
call fcn.004647c0
mov byte [ebp - 4], 0
or edi, 0xffffffff
mov edx, dword [ebp - 0x14]
add esp, 4
add edx, 0xfffffff0
mov eax, edi
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x4542bf
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov dword [ebp - 4], 0xffffffff
mov edx, dword [ebp - 0x10]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], edi
dec edi
test edi, edi
jmp 0x454302
mov eax, dword [ebp - 0x10]
add eax, 0xfffffff0
push eax
call fcn.004043f0
add eax, 0x10
mov dword [ebp - 4], 0xffffffff
mov edx, dword [ebp - 0x10]
add esp, 4
mov dword [esi], eax
add edx, 0xfffffff0
or eax, 0xffffffff
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x45430c
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x454720
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x21c
mov eax, dword [0x501108]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, ecx
mov dword [ebp - 0x21c], 0
mov dword [ebp - 0x218], esi
mov eax, dword [0x50797c]
test al, 1
jne 0x454780
or eax, 1
mov dword [0x50797c], eax
call fcn.004047a0
mov ecx, eax
test ecx, ecx
je 0x45487f
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
push 0x4d0660
mov dword [0x507980], eax
call fcn.004831bc
add esp, 4
mov eax, dword [0x507980]
cmp dword [eax - 0xc], 0
jne 0x454857
lea eax, [ebp - 0x210]
mov dword [ebp - 0x210], 0
push eax
push 1
push 0
push str.SoftwareMicrosoftWindowsCurrentVersionUninstallMasterPDF
push reloc.OLEAUT32.dll_SysReAllocString
mov dword [ebp - 0x214], 0
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0x454857
push 0x208
push eax
lea eax, [ebp - 0x20c]
push eax
call fcn.0049bdc0
add esp, 0xc
mov dword [ebp - 0x214], 1
lea eax, [ebp - 0x218]
mov dword [ebp - 0x218], 0x208
push eax
lea eax, [ebp - 0x20c]
push eax
lea eax, [ebp - 0x214]
push eax
push 0
push str.DisplayVersion
push dword [ebp - 0x210]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
push dword [ebp - 0x210]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
lea ecx, [ebp - 0x20c]
mov dword [ebp - 0x210], 0
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x454836
sub ecx, edx
lea eax, [ebp - 0x20c]
sar ecx, 1
push ecx
push eax
mov ecx, 0x507980
call fcn.00404160
mov ecx, dword [0x507980]
add ecx, 0xfffffff0
push ecx
call fcn.004043f0
mov ecx, dword [ebp - 4]
add esp, 4
add eax, 0x10
xor ecx, ebp
mov dword [esi], eax
mov eax, esi
pop esi
call fcn.00483426
mov esp, ebp
pop ebp
ret
push 0x80004005
call fcn.00404500
int3
Function at 0x456550
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
push ebx
push esi
mov eax, ecx
mov dword [ebp - 0x10], edx
push edi
mov dword [ebp - 0xc], eax
xor edi, edi
mov ebx, 0x20019
lea ecx, [ebp - 4]
push ecx
push ebx
push 0
push edx
push eax
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
mov esi, eax
test esi, esi
jne 0x4565d6
lea eax, [ebp - 8]
push eax
push esi
push esi
push esi
push dword [ebp + 8]
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
mov esi, eax
test esi, esi
jne 0x4565cd
mov eax, dword [ebp - 8]
shr eax, 1
inc eax
push 2
push eax
call fcn.004af39a
add esp, 8
mov edi, eax
lea eax, [ebp - 8]
push eax
push edi
push esi
push esi
push dword [ebp + 8]
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
mov esi, eax
test esi, esi
je 0x4565cd
push edi
call fcn.0049ee6d
add esp, 4
xor edi, edi
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
cmp esi, 2
jne 0x4565fa
mov eax, dword [ebp - 0xc]
cmp eax, reloc.OLEAUT32.dll_SysReAllocString
jne 0x4565fa
cmp ebx, 0x20019
jne 0x4565fa
mov edx, dword [ebp - 0x10]
mov ebx, 0x20119
jmp 0x456568
mov eax, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x456670
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4cbc27
mov eax, dword fs:[0]
push eax
sub esp, 0x12c
mov eax, dword [0x501108]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
call fcn.004047a0
mov ecx, eax
test ecx, ecx
jne 0x4566b3
push 0x80004005
call fcn.00404500
mov eax, dword [ecx]
call dword [eax + 0xc]
lea esi, [eax + 0x10]
mov dword [ebp - 0x128], esi
push 0x110
lea eax, [ebp - 0x120]
mov dword [ebp - 4], 0
push 0
push eax
call fcn.0049bdc0
add esp, 0xc
mov dword [ebp - 0x124], 0x114
lea eax, [ebp - 0x124]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
or edi, 0xffffffff
cmp dword [ebp - 0x120], 5
je 0x45685a
push str.SoftwareClasses_
lea ecx, [ebp - 0x130]
mov dword [ebp - 0x134], 0
call fcn.00404260
push str..pdf
push eax
lea eax, [ebp - 0x12c]
mov byte [ebp - 4], 1
push eax
call fcn.00417310
add esp, 0xc
push eax
lea ecx, [ebp - 0x128]
mov byte [ebp - 4], 2
call fcn.00401fe0
mov byte [ebp - 4], 1
mov eax, edi
mov edx, dword [ebp - 0x12c]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x456769
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 0
mov eax, edi
mov edx, dword [ebp - 0x130]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x45678a
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov esi, dword [ebp - 0x128]
lea eax, [ebp - 0x134]
mov ebx, dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
push eax
push 0x2003f
push 0
push esi
push SysReAllocString
call ebx
test eax, eax
je 0x45685a
push str.SoftwareMicrosoftWindowsCurrentVersionExplorerFileExts_
lea ecx, [ebp - 0x12c]
call fcn.00404260
push str..pdf
push eax
lea eax, [ebp - 0x130]
mov byte [ebp - 4], 3
push eax
call fcn.00417310
add esp, 0xc
push eax
lea ecx, [ebp - 0x128]
mov byte [ebp - 4], 4
call fcn.00401fe0
mov byte [ebp - 4], 3
mov eax, edi
mov edx, dword [ebp - 0x130]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x45680e
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 0
mov eax, edi
mov edx, dword [ebp - 0x12c]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x45682f
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
lea eax, [ebp - 0x134]
push eax
push 0x2003f
push 0
lea eax, [ebp - 0x138]
push eax
push SysReAllocString
call ebx
mov esi, dword [ebp - 0x128]
xor ebx, ebx
test eax, eax
setne bl
jmp 0x45685c
xor ebx, ebx
mov dword [ebp - 4], 0xffffffff
add esi, 0xfffffff0
lock xadd dword [esi + 0xc], edi
dec edi
test edi, edi
jg 0x456878
mov ecx, dword [esi]
push esi
mov edx, dword [ecx]
call dword [edx + 4]
mov eax, ebx
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00483426
mov esp, ebp
pop ebp
ret
Function at 0x4568a0
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4cbc58
mov eax, dword fs:[0]
push eax
sub esp, 0x10
push esi
push edi
mov eax, dword [0x501108]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, edx
call fcn.004047a0
mov ecx, eax
test ecx, ecx
jne 0x4568de
push 0x80004005
call fcn.00404500
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x10], eax
push str..pdf
mov dword [ebp - 4], 0
lea eax, [ebp - 0x10]
push str.SoftwareMicrosoftWindowsCurrentVersionExplorerFileExts_sUserChoice
push eax
mov dword [ebp - 0x1c], 1
mov dword [ebp - 0x18], 0x104
mov dword [ebp - 0x14], 0
call fcn.00413b70
mov esi, dword [ebp - 0x10]
lea eax, [ebp - 0x18]
add esp, 0xc
push eax
lea eax, [ebp - 0x14]
push eax
lea eax, [ebp - 0x1c]
push eax
push str.Progid
push esi
push SysReAllocString
call dword [sym.imp.SHLWAPI.dll_SHGetValueW]
test eax, eax
je 0x456943
xor edi, edi
jmp 0x456957
lea eax, [ebp - 0x14]
push edi
push eax
call fcn.004af0d9
add esp, 8
mov edi, eax
neg edi
sbb edi, edi
inc edi
mov dword [ebp - 4], 0xffffffff
add esi, 0xfffffff0
or eax, 0xffffffff
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x456976
mov ecx, dword [esi]
push esi
mov edx, dword [ecx]
call dword [edx + 4]
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
Function at 0x456f90
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4cbce8
mov eax, dword fs:[0]
push eax
sub esp, 0x124
mov eax, dword [0x501108]
xor eax, ebp
mov dword [ebp - 0x10], eax
push esi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 4], 0
mov eax, dword [ebp + 8]
push ecx
add eax, 0xfffffff0
mov esi, esp
push eax
mov dword [ebp - 0x130], esi
call fcn.004043f0
add esp, 4
add eax, 0x10
mov ecx, SysReAllocString
mov dword [esi], eax
call fcn.00455820
mov eax, dword [ebp + 8]
mov esi, esp
add eax, 0xfffffff0
mov dword [ebp - 0x130], esi
push eax
call fcn.004043f0
add esp, 4
add eax, 0x10
mov ecx, reloc.OLEAUT32.dll_SysReAllocString
mov dword [esi], eax
call fcn.00455820
push 0x11c
lea eax, [ebp - 0x12c]
push 0
push eax
call fcn.0049bdc0
add esp, 0x10
mov dword [ebp - 0x12c], 0x11c
lea eax, [ebp - 0x12c]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
cmp dword [ebp - 0x128], 0xa
je 0x45704f
call fcn.00457b00
test eax, eax
je 0x4570b7
mov eax, dword [ebp + 8]
push ecx
add eax, 0xfffffff0
mov esi, esp
push eax
mov dword [ebp - 0x130], esi
call fcn.004043f0
add esp, 4
add eax, 0x10
mov ecx, SysReAllocString
mov dword [esi], eax
call fcn.00455e50
mov eax, dword [ebp + 8]
mov esi, esp
add eax, 0xfffffff0
mov dword [ebp - 0x130], esi
push eax
call fcn.004043f0
add esp, 4
add eax, 0x10
mov ecx, reloc.OLEAUT32.dll_SysReAllocString
mov dword [esi], eax
call fcn.00455e50
add esp, 4
mov ecx, str.MasterPDF
call fcn.00456ce0
test eax, eax
je 0x4570b7
mov edx, str.MasterPDF
call fcn.00456990
push 0
push 0
push 0x3000
push 0x8000000
call dword [sym.imp.SHELL32.dll_SHChangeNotify]
mov dword [ebp - 4], 0xffffffff
or eax, 0xffffffff
mov edx, dword [ebp + 8]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x4570ed
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop esi
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00483426
mov esp, ebp
pop ebp
ret
Function at 0x457b00
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x120
mov eax, dword [0x501108]
xor eax, ebp
mov dword [ebp - 4], eax
push 0x11c
lea eax, [ebp - 0x120]
push 0
push eax
call fcn.0049bdc0
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], 6
jne 0x457b6c
mov eax, dword [ebp - 0x118]
cmp eax, 2
je 0x457b59
cmp eax, 3
jne 0x457b6c
mov eax, 1
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00483426
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
xor eax, eax
xor ecx, ebp
call fcn.00483426
mov esp, ebp
pop ebp
ret

Function at 0x457b80
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90
mov eax, dword [0x501108]
xor eax, ebp
mov dword [ebp - 4], eax
cmp dword [0x5074d0], 0
jne 0x457c96
lea eax, [ebp - 0x88]
mov dword [ebp - 0x88], 0
push eax
push 1
push 0
push str.SOFTWAREMicrosoftWindows_NTCurrentVersion
push reloc.OLEAUT32.dll_SysReAllocString
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0x457c76
cmp dword [ebp - 0x88], eax
je 0x457c76
push 0x80
push eax
lea eax, [ebp - 0x84]
mov dword [ebp - 0x90], 1
push eax
call fcn.0049bdc0
add esp, 0xc
mov dword [ebp - 0x8c], 0x80
lea eax, [ebp - 0x8c]
push eax
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x90]
push eax
push 0
push str.CurrentVersion
push dword [ebp - 0x88]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
push dword [ebp - 0x88]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
lea eax, [ebp - 0x84]
push 0x4ec24c
push eax
call fcn.004af0d9
mov ecx, dword [0x5074cc]
add esp, 8
test eax, eax
mov edx, 1
mov dword [0x5074d0], edx
cmovns ecx, edx
mov dword [0x5074cc], ecx
mov eax, ecx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00483426
mov esp, ebp
pop ebp
ret
mov ecx, dword [0x5074cc]
mov eax, ecx
mov dword [0x5074d0], 1
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00483426
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
mov eax, dword [0x5074cc]
xor ecx, ebp
call fcn.00483426
mov esp, ebp
pop ebp
ret