joyce8/EMBER2024-capa huggingface dataset:
Function at 0x492b30
Capabilities:
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
xor ebx, ebx
push ebx
push 0x80
push 3
push ebx
push 1
push 0xc0000000
push eax
mov dword [ebp - 0x10], ebx
mov dword [ebp - 0xc], ebx
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
jne 0x492b8c
mov eax, dword [ebp + 8]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, esi
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x492b80
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov eax, 7
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
lea ecx, [ebp - 4]
push ecx
push esi
mov dword [ebp - 4], ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, 0xffffffff
jne 0x492ba6
or eax, eax
or ecx, 0xffffffff
jmp 0x492ba9
mov ecx, dword [ebp - 4]
push ebx
push eax
push ecx
push 2
push ebx
push esi
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov edi, eax
cmp edi, ebx
jne 0x492bc3
mov ebx, 8
jmp 0x492c3b
lea edx, [ebp - 4]
push edx
push esi
mov dword [ebp - 4], ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, 0xffffffff
jne 0x492bdd
or eax, eax
or ecx, 0xffffffff
jmp 0x492be0
mov ecx, dword [ebp - 4]
lea edx, [ebp - 0x10]
push edx
push ecx
push eax
push edi
call fcn.0048fed0
add esp, 0x10
test eax, eax
je 0x492c2f
mov ebx, dword [ebp - 0x10]
mov eax, ebx
or eax, dword [ebp - 0xc]
je 0x492c2f
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, dword [ebp - 0xc]
push 0
lea edx, [ebp - 8]
push edx
push ebx
push esi
mov dword [ebp - 8], ecx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
jne 0x492c24
mov ebx, 0xc
jmp 0x492c3b
push esi
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
xor ebx, ebx
jmp 0x492c3b
push edi
mov ebx, 8
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [ebp + 8]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x492c61
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
pop edi
pop esi
mov eax, ebx
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x495070
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4ef70a
mov eax, dword fs:[0]
push eax
sub esp, 0xc
push ebx
push esi
push edi
mov eax, dword [0x53f100]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov eax, dword [ebp + 0xc]
push 0x523b64
xor esi, esi
push eax
mov dword [ebp - 0x18], esi
call fcn.004d0968
mov ebx, eax
add esp, 8
cmp ebx, esi
jne 0x4950d8
mov ecx, dword [0x545440]
mov eax, dword [ebp + 8]
mov dword [eax], ecx
cmp ecx, esi
je 0x4950c6
inc dword [ecx + 0x30]
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 2
push esi
push ebx
call fcn.004d10ec
add esp, 0xc
push ebx
call fcn.004d0fbd
mov edi, eax
add esp, 4
mov dword [ebp - 0x10], esi
cmp edi, esi
jne 0x495129
push ebx
call fcn.004d11e8
mov edx, dword [0x545440]
mov eax, dword [ebp + 8]
mov ecx, edx
add esp, 4
mov dword [eax], edx
cmp ecx, esi
je 0x495249
inc dword [ecx + 0x30]
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 esi
push esi
push ebx
call fcn.004d10ec
lea eax, [edi + 4]
add esp, 0xc
push eax
call fcn.004cc1d4
add esp, 4
push ebx
push edi
mov esi, eax
push 1
push esi
call fcn.004d0c1f
push ebx
mov edi, eax
call fcn.004d11e8
add esp, 0x14
push 0
push edi
push esi
mov byte [esi + edi], 0
mov byte [esi + edi + 1], 0
mov byte [esi + edi + 2], 0
mov byte [esi + edi + 3], 0
call dword [sym.imp.ADVAPI32.dll_IsTextUnicode]
test al, al
jne 0x4951bb
cmp byte [esi], 0xef
mov eax, 2
jne 0x495196
cmp byte [esi + 1], 0xbb
jne 0x495196
cmp byte [esi + 2], 0xbf
jne 0x495196
lea ecx, [eax + 1]
lea eax, [ecx - 2]
jmp 0x495199
mov ecx, dword [ebp - 0x10]
push eax
lea ebx, [esi + ecx]
call fcn.00493820
add esp, 4
push esi
mov edi, eax
call fcn.004cc0f7
add esp, 4
mov esi, edi
mov dword [ebp - 0x10], 0
jmp 0x4951df
mov al, byte [esi]
cmp al, 0xef
jne 0x4951ce
cmp byte [esi + 1], 0xff
jne 0x4951ce
mov dword [ebp - 0x10], 2
cmp al, 0xff
jne 0x4951df
cmp byte [esi + 1], 0xfe
jne 0x4951df
mov dword [ebp - 0x10], 2
test esi, esi
jne 0x495207
mov ecx, dword [0x545440]
mov eax, dword [ebp + 8]
mov dword [eax], ecx
test ecx, ecx
je 0x495249
inc dword [ecx + 0x30]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov edx, dword [ebp - 0x10]
lea eax, [ebp - 0x14]
push 0
lea ecx, [esi + edx]
push eax
call fcn.00494e90
push esi
call fcn.004cc0f7
mov eax, dword [ebp - 0x14]
mov esi, dword [ebp + 8]
add esp, 0xc
mov dword [esi], eax
test eax, eax
je 0x495230
inc dword [eax + 0x30]
lea ecx, [ebp - 0x14]
mov dword [ebp - 4], 0
push ecx
mov dword [ebp - 0x18], 1
call fcn.00495920
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x498c50
Capabilities:
Link many functions at runtime

Disassembly:
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
push edi
push str.ntdll.dll
call esi
mov edi, eax
test edi, edi
je 0x498ce9
push str.GetFinalPathNameByHandleW
push str.Kernel32.dll
call esi
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call esi
push str.NtQueryObject
push edi
mov dword [0x544fa0], eax
call esi
push str.NtOpenSymbolicLinkObject
push edi
mov dword [0x544fcc], eax
call esi
push str.NtQuerySymbolicLinkObject
push edi
mov dword [0x544fd0], eax
call esi
push str.ZwClose
push edi
mov dword [0x544fd4], eax
call esi
push 0x68
push 0xff
push 0x5454b8
mov dword [0x544fc8], eax
call fcn.004cca60
mov esi, dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
add esp, 0xc
push 0x5454a0
call esi
push 0x545484
call esi
mov dword [0x544f9c], 1
pop edi
pop esi
ret
Function at 0x49afc0
Capabilities:
Get file version info

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4ed0e8
mov eax, dword fs:[0]
push eax
push ecx
push esi
push edi
mov eax, dword [0x53f100]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
lea eax, [ebp - 0x10]
mov dword [ebp - 4], 0
mov ecx, dword [ebp + 8]
push eax
push ecx
call sub.VERSION.dll_GetFileVersionInfoSizeW
mov esi, eax
test esi, esi
jbe 0x49b061
push esi
call fcn.004bc681
mov edi, eax
add esp, 4
test edi, edi
je 0x49b061
mov edx, dword [ebp + 8]
push edi
push esi
push 0
push edx
call sub.VERSION.dll_GetFileVersionInfoW
test eax, eax
je 0x49b058
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp + 8]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x49b045
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
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
push edi
call fcn.004bc68c
add esp, 4
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp + 8]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x49b087
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x49bbb0
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [edi + 8]
sub esp, 8
test eax, eax
je 0x49bca3
mov ecx, dword [edi + 0x10]
push ebx
push esi
push 1
push ecx
push 0x30
push eax
call dword [sym.imp.USER32.dll_SendMessageW]
movzx edx, word [edi]
mov eax, dword [edi + 4]
push 5
push edx
push eax
call dword [sym.imp.KERNEL32.dll_FindResourceW]
mov ecx, dword [edi + 4]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_LoadResource]
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov esi, eax
mov ecx, esi
mov dword [ebp - 8], esi
call fcn.0049b610
mov ebx, eax
mov eax, esi
mov dword [ebp - 4], 0
call fcn.0049b5f0
xor edx, edx
cmp dx, word [eax]
jae 0x49bc8c
mov esi, dword [ebp - 8]
lea ebx, [ebx]
cmp dword [ebp - 4], 0
jne 0x49bc2e
mov eax, dword [edi + 8]
push 5
push eax
jmp 0x49bc31
push 2
push esi
call dword [sym.imp.USER32.dll_GetWindow]
mov esi, eax
test esi, esi
je 0x49bc8c
lea ecx, [ecx]
push esi
call dword [sym.imp.USER32.dll_GetDlgCtrlID]
cmp eax, dword [ebx + 0x14]
je 0x49bc5d
push 2
push esi
call dword [sym.imp.USER32.dll_GetWindow]
mov esi, eax
test esi, esi
jne 0x49bc40
jmp 0x49bc8c
test esi, esi
je 0x49bc8c
mov ecx, dword [edi + 0x10]
push 1
push ecx
push 0x30
push esi
call dword [sym.imp.USER32.dll_SendMessageW]
mov eax, ebx
call fcn.0049b6b0
inc dword [ebp - 4]
mov ebx, eax
mov eax, dword [ebp - 8]
call fcn.0049b5f0
movzx edx, word [eax]
cmp dword [ebp - 4], edx
jl 0x49bc20
mov eax, dword [edi + 0xc]
push eax
call dword [sym.imp.GDI32.dll_DeleteObject]
xor eax, eax
pop esi
mov dword [edi + 8], eax
mov dword [edi + 0xc], eax
mov dword [edi + 0x10], eax
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x49bcb0
Capabilities:
Encode data using xor
Encrypt data using aes

Disassembly:
push esi
mov esi, ecx
test esi, esi
je 0x49be4e
test eax, eax
je 0x49be4e
mov dword [eax + 0xf0], 0xa
mov ecx, dword [esi]
push edi
mov edx, ecx
ror edx, 8
and edx, 0xff00ff00
rol ecx, 8
and ecx, 0xff00ff
or edx, ecx
mov dword [eax], edx
mov edx, dword [esi + 4]
mov edi, edx
ror edi, 8
and edi, 0xff00ff00
rol edx, 8
and edx, 0xff00ff
or edi, edx
mov dword [eax + 4], edi
mov edx, dword [esi + 8]
mov edi, edx
ror edi, 8
and edi, 0xff00ff00
rol edx, 8
and edx, 0xff00ff
or edi, edx
mov dword [eax + 8], edi
mov edx, dword [esi + 0xc]
lea ecx, [eax + 4]
mov esi, edx
ror esi, 8
and esi, 0xff00ff00
rol edx, 8
and edx, 0xff00ff
or esi, edx
mov dword [eax + 0xc], esi
mov edx, esi
shr edx, 0x10
and edx, 0xff
mov edx, dword [edx*4 + 0x520c20]
xor edx, 0x1000000
mov edi, esi
shr edi, 8
and edi, 0xff
mov edi, dword [edi*4 + 0x521020]
and edi, 0xff0000
and edx, 0xff000000
xor edx, edi
mov edi, esi
shr edi, 0x18
movzx edi, byte [edi*4 + 0x520820]
xor edx, edi
mov edi, esi
and edi, 0xff
mov edi, dword [edi*4 + 0x520420]
and edi, 0xff00
xor edx, edi
xor edx, dword [eax]
mov edi, dword [ecx]
xor edi, edx
mov dword [eax + 0x10], edx
mov edx, dword [eax + 8]
xor edx, edi
mov dword [eax + 0x18], edx
xor edx, esi
mov dword [eax + 0x14], edi
mov dword [eax + 0x1c], edx
mov esi, 0x522524
jmp 0x49bdc0
mov edx, dword [ecx + 0x18]
add ecx, 0x10
mov eax, edx
shr eax, 8
mov edi, edx
and eax, 0xff
mov eax, dword [eax*4 + 0x521020]
shr edi, 0x10
and edi, 0xff
mov edi, dword [edi*4 + 0x520c20]
and eax, 0xff0000
and edi, 0xff000000
xor eax, edi
mov edi, edx
and edx, 0xff
mov edx, dword [edx*4 + 0x520420]
shr edi, 0x18
movzx edi, byte [edi*4 + 0x520820]
xor eax, edi
and edx, 0xff00
xor eax, edx
xor eax, dword [ecx - 4]
add esi, 4
xor eax, dword [esi - 4]
mov dword [ecx + 0xc], eax
mov edx, dword [ecx]
xor edx, eax
mov dword [ecx + 0x10], edx
mov eax, dword [ecx + 4]
xor eax, edx
mov dword [ecx + 0x14], eax
mov edx, dword [ecx + 8]
xor edx, eax
mov dword [ecx + 0x18], edx
cmp esi, 0x522548
jne 0x49bdc0
pop edi
xor eax, eax
pop esi
ret
or eax, 0xffffffff
pop esi
ret
Function at 0x49e380
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push ebx
push esi
mov esi, eax
xor ebx, ebx
push edi
mov dword [ebp - 4], 0
mov dword [esi + 0x6af80], 2
cmp dword [esi + 0x6af90], ebx
je 0x49e59f
lea ebx, [ebx]
cmp dword [esi + 0x6af90], 3
jb 0x49e407
mov ecx, dword [esi + 0x6af84]
movzx eax, byte [ecx + esi + 0x1af72]
mov edx, dword [esi + 0x6af7c]
shl edx, 5
xor eax, edx
and eax, 0x7fff
mov dword [esi + 0x6af7c], eax
mov eax, dword [esi + eax*4 + 0x4af70]
and ecx, 0x7fff
mov dword [esi + ecx*4 + 0x2af70], eax
mov ecx, dword [esi + 0x6af84]
mov dword [ebp - 4], eax
mov eax, dword [esi + 0x6af7c]
mov dword [esi + eax*4 + 0x4af70], ecx
mov ecx, dword [ebp - 4]
test ecx, ecx
je 0x49e447
mov edx, dword [esi + 0x6af84]
sub edx, ecx
cmp edx, 0x7efa
ja 0x49e447
mov eax, dword [esi + 0x6af90]
cmp dword [esi + 0x6afa0], eax
jbe 0x49e432
mov dword [esi + 0x6afa0], eax
mov eax, ecx
call fcn.0049e090
mov ebx, eax
mov eax, dword [esi + 0x6af90]
cmp ebx, eax
jbe 0x49e447
mov ebx, eax
mov eax, dword [esi + 0x6af84]
mov ecx, esi
cmp ebx, 3
jb 0x49e52c
sub eax, dword [esi + 0x6af88]
lea edx, [ebx - 3]
call fcn.0049d880
sub dword [esi + 0x6af90], ebx
mov ecx, dword [esi + 0x6af90]
mov dword [ebp - 8], eax
cmp ebx, dword [esi + 0x6af98]
ja 0x49e4f4
cmp ecx, 3
jb 0x49e4f4
mov edi, 1
sub ebx, edi
lea esp, [esp]
add dword [esi + 0x6af84], edi
mov edx, dword [esi + 0x6af84]
movzx ecx, byte [esi + edx + 0x1af72]
mov eax, dword [esi + 0x6af7c]
shl eax, 5
xor ecx, eax
and ecx, 0x7fff
mov dword [esi + 0x6af7c], ecx
mov ecx, dword [esi + ecx*4 + 0x4af70]
and edx, 0x7fff
sub ebx, edi
mov dword [esi + edx*4 + 0x2af70], ecx
mov edx, dword [esi + 0x6af84]
mov dword [ebp - 4], ecx
mov ecx, dword [esi + 0x6af7c]
mov dword [esi + ecx*4 + 0x4af70], edx
jne 0x49e490
add dword [esi + 0x6af84], edi
mov eax, dword [ebp - 8]
jmp 0x49e547
add dword [esi + 0x6af84], ebx
mov ecx, dword [esi + 0x6af84]
lea edx, [ecx + esi]
movzx ecx, byte [edx + 0x1af70]
mov dword [esi + 0x6af7c], ecx
movzx edx, byte [edx + 0x1af71]
shl ecx, 5
xor edx, ecx
xor ebx, ebx
and edx, 0x7fff
mov dword [esi + 0x6af7c], edx
jmp 0x49e547
movzx edx, byte [eax + esi + 0x1af70]
xor eax, eax
call fcn.0049d880
dec dword [esi + 0x6af90]
inc dword [esi + 0x6af84]
test eax, eax
je 0x49e581
mov ecx, dword [esi + 0x6af74]
test ecx, ecx
jl 0x49e55e
lea edx, [ecx + esi + 0x1af70]
jmp 0x49e560
xor edx, edx
mov eax, dword [esi + 0x6af84]
sub eax, ecx
push edx
xor edi, edi
mov ecx, esi
call fcn.0049d6e0
mov ecx, dword [esi + 0x6af84]
add esp, 4
mov dword [esi + 0x6af74], ecx
cmp dword [esi + 0x6af90], 0x106
jae 0x49e592
call fcn.0049e230
cmp dword [esi + 0x6af90], 0
jne 0x49e3b0
mov ecx, dword [esi + 0x6af74]
test ecx, ecx
jl 0x49e5b2
lea edx, [ecx + esi + 0x1af70]
jmp 0x49e5b4
xor edx, edx
mov eax, dword [esi + 0x6af84]
sub eax, ecx
push edx
mov edi, 1
mov ecx, esi
call fcn.0049d6e0
add esp, 4
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x49f260
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
test ecx, ecx
jne 0x49f267
xor eax, eax
ret
push esi
not eax
cmp edx, 8
jb 0x49f344
mov esi, edx
shr esi, 3
push edi
lea esp, [esp]
movzx edi, byte [ecx]
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x520020]
movzx edi, byte [ecx + 1]
xor edi, eax
and edi, 0xff
inc ecx
shr eax, 8
xor eax, dword [edi*4 + 0x520020]
movzx edi, byte [ecx + 1]
xor edi, eax
and edi, 0xff
inc ecx
shr eax, 8
xor eax, dword [edi*4 + 0x520020]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x520020]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x520020]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x520020]
movzx edi, byte [ecx + 1]
inc ecx
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x520020]
movzx edi, byte [ecx + 1]
inc ecx
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x520020]
inc ecx
sub edx, 8
sub esi, 1
jne 0x49f280
pop edi
test edx, edx
je 0x49f36b
jmp 0x49f350
movzx esi, byte [ecx]
xor esi, eax
and esi, 0xff
shr eax, 8
xor eax, dword [esi*4 + 0x520020]
inc ecx
sub edx, 1
jne 0x49f350
not eax
pop esi
ret

Function at 0x49f370
Capabilities:
Generate random numbers using the delphi lcg
Hash data with crc32

Disassembly:
mov eax, dword [edx]
movsx ecx, cl
xor ecx, eax
shr eax, 8
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x520020]
xor ecx, eax
movzx eax, cl
add eax, dword [edx + 4]
mov dword [edx], ecx
mov ecx, dword [edx + 8]
imul eax, eax, 0x8088405
inc eax
mov dword [edx + 4], eax
shr eax, 0x18
xor eax, ecx
and eax, 0xff
shr ecx, 8
xor ecx, dword [eax*4 + 0x520020]
mov dword [edx + 8], ecx
ret
Function at 0x49f500
Capabilities:
Get file size
Parse pe header
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x4c
push ebx
push esi
mov esi, eax
push edi
lea eax, [ebp - 0x4c]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_GetFileInformationByHandle]
test eax, eax
jne 0x49f526
mov eax, 0x200
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp - 0x4c]
mov edx, eax
xor edi, edi
and edx, 1
je 0x49f53c
mov dword [ebp - 8], 1
mov edi, dword [ebp - 8]
test al, 2
je 0x49f543
or edi, 2
test al, 4
je 0x49f54a
or edi, 4
mov ecx, eax
and ecx, 0x10
je 0x49f554
or edi, 0x10
test al, 0x20
je 0x49f55b
or edi, 0x20
test ecx, ecx
je 0x49f567
or edi, 0x40000000
jmp 0x49f56d
or edi, 0x80000000
or edi, 0x1000000
mov dword [ebp - 8], edi
test edx, edx
jne 0x49f583
or edi, 0x800000
mov dword [ebp - 8], edi
push 0
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x10], eax
cmp eax, 0x28
jbe 0x49f62a
mov edi, dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0
push 0
push 0
push esi
call edi
mov ebx, dword [sym.imp.KERNEL32.dll_ReadFile]
push 0
lea ecx, [ebp - 0xc]
push ecx
push 2
lea edx, [ebp - 4]
push edx
push esi
call ebx
push 0
push 0
push 0x24
push esi
call edi
push 0
lea eax, [ebp - 0xc]
push eax
push 4
lea ecx, [ebp - 0x14]
push ecx
push esi
call ebx
mov edx, 0x54ad
cmp word [ebp - 4], dx
jne 0x49f627
mov eax, dword [ebp - 0x14]
lea ecx, [eax + 0x34]
cmp dword [ebp - 0x10], ecx
jbe 0x49f627
push 0
push 0
push eax
push esi
call edi
push 0
lea edx, [ebp - 0xc]
push edx
push 4
lea eax, [ebp - 0x18]
push eax
push esi
call ebx
mov eax, dword [ebp - 0x18]
cmp eax, 0x5a4d
je 0x49f620
cmp eax, 0x454e
je 0x49f620
cmp eax, 0x454c
je 0x49f620
cmp eax, 0x4550
jne 0x49f627
or dword [ebp - 8], 0x400000
mov edi, dword [ebp - 8]
mov eax, dword [ebp + 8]
test eax, eax
je 0x49f633
mov dword [eax], edi
mov eax, dword [ebp + 0xc]
test eax, eax
je 0x49f63f
mov ecx, dword [ebp - 0x10]
mov dword [eax], ecx
mov esi, dword [ebp + 0x10]
mov edi, dword [ebp - 0x34]
mov ebx, dword [ebp - 0x38]
test esi, esi
je 0x49f6b9
mov edx, dword [ebp - 0x40]
mov eax, dword [ebp - 0x3c]
push 0
sub edx, 0xd53e8000
push 0x989680
sbb eax, 0x19db1de
push eax
push edx
call fcn.004d3040
mov dword [esi + 4], edx
push 0
mov ecx, ebx
sub ecx, 0xd53e8000
mov edx, edi
push 0x989680
sbb edx, 0x19db1de
push edx
push ecx
mov dword [esi], eax
call fcn.004d3040
mov ecx, dword [ebp - 0x44]
mov dword [esi + 8], eax
mov eax, dword [ebp - 0x48]
push 0
sub eax, 0xd53e8000
push 0x989680
sbb ecx, 0x19db1de
push ecx
push eax
mov dword [esi + 0xc], edx
call fcn.004d3040
mov dword [esi + 0x10], eax
mov dword [esi + 0x14], edx
mov esi, dword [ebp + 0x14]
test esi, esi
je 0x49f6e1
push edi
push ebx
lea edx, [ebp - 8]
push edx
lea eax, [ebp - 4]
push eax
call fcn.0049f4a0
movzx ecx, word [ebp - 4]
movzx edx, word [ebp - 8]
shl ecx, 0x10
add esp, 0x10
or ecx, edx
mov dword [esi], ecx
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x49f790
Capabilities:
Encode data using xor
Generate random numbers using the delphi lcg
Hash data with crc32
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
mov ebx, dword [ebp + 8]
push esi
mov esi, ecx
cmp byte [esi + 0x2d], 0
push edi
mov edi, dword [ebp + 0xc]
mov eax, ebx
je 0x49f87b
mov eax, dword [esi + 0x3c]
test eax, eax
je 0x49f7c7
cmp dword [esi + 0x40], edi
jae 0x49f7c7
push eax
call fcn.004bc68c
add esp, 4
mov dword [esi + 0x3c], 0
cmp dword [esi + 0x3c], 0
jne 0x49f7df
lea eax, [edi + edi]
push eax
call fcn.004bc681
add esp, 4
mov dword [esi + 0x3c], eax
mov dword [esi + 0x40], edi
mov ecx, dword [esi + 0x3c]
push edi
push ebx
push ecx
call fcn.004cc5b0
add esp, 0xc
xor ebx, ebx
test edi, edi
jbe 0x49f878
mov edx, dword [esi + 0x3c]
mov cl, byte [ebx + edx]
mov edi, dword [esi + 0x30]
mov byte [ebp + 8], cl
movsx ecx, cl
xor ecx, edi
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x520020]
mov dword [ebp - 4], ecx
mov eax, dword [esi + 0x38]
shr edi, 8
xor dword [ebp - 4], edi
mov ecx, dword [ebp - 4]
mov dword [esi + 0x30], ecx
movzx ecx, cl
add ecx, dword [esi + 0x34]
mov edx, eax
imul ecx, ecx, 0x8088405
inc ecx
mov dword [esi + 0x34], ecx
shr ecx, 0x18
xor ecx, eax
shr eax, 8
and ecx, 0xff
xor eax, dword [ecx*4 + 0x520020]
and edx, 0xfffd
mov dword [esi + 0x38], eax
mov ecx, dword [esi + 0x3c]
or edx, 2
mov eax, edx
xor eax, 1
imul eax, edx
shr eax, 8
xor al, byte [ebp + 8]
inc ebx
mov byte [ebx + ecx - 1], al
cmp ebx, dword [ebp + 0xc]
jb 0x49f7f7
mov edi, dword [ebp + 0xc]
mov eax, dword [esi + 0x3c]
mov edx, dword [esi + 0x20]
test edx, edx
je 0x49f8ba
mov ecx, dword [esi + 0x24]
lea ebx, [ecx + edi]
cmp ebx, dword [esi + 0x28]
jb 0x49f89f
pop edi
mov dword [esi + 0x14], 0x30000
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret 8
push edi
push eax
add ecx, edx
push ecx
call fcn.004cc5b0
add esp, 0xc
add dword [esi + 0x24], edi
mov eax, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8
mov ecx, dword [esi + 4]
test ecx, ecx
je 0x49f8dc
push 0
lea edx, [ebp + 0xc]
push edx
push edi
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov eax, dword [ebp + 0xc]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8
pop edi
mov dword [esi + 0x14], 0x1000000
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret 8
Function at 0x49fb90
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
mov ecx, dword [esi + 0x84]
push edi
test ecx, ecx
je 0x49fbe3
mov eax, dword [esi + 0x8c]
mov edi, dword [esi + 0x88]
cmp eax, edi
jae 0x49fc20
sub edi, eax
cmp edi, edx
jbe 0x49fbb7
mov edi, edx
push edi
add eax, ecx
push eax
push ebx
call fcn.004cc5b0
mov eax, dword [esi + 0x78]
add dword [esi + 0x8c], edi
add dword [esi + 0x74], edi
add esp, 0xc
mov edx, edi
mov ecx, ebx
call fcn.0049f260
mov dword [esi + 0x78], eax
mov eax, edi
pop edi
mov esp, ebp
pop ebp
ret
mov eax, dword [esi + 0x7c]
test eax, eax
je 0x49fc19
push 0
lea ecx, [ebp - 4]
push ecx
push edx
push ebx
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x49fc20
mov edi, dword [ebp - 4]
mov eax, dword [esi + 0x78]
add dword [esi + 0x74], edi
mov edx, edi
mov ecx, ebx
call fcn.0049f260
mov dword [esi + 0x78], eax
mov eax, edi
pop edi
mov esp, ebp
pop ebp
ret
mov dword [esi + 0x14], 0x1000000
xor eax, eax
pop edi
mov esp, ebp
pop ebp
ret
Function at 0x4a6710
Capabilities:
Encode data using xor

Disassembly:
or edx, 0xffffffff
cmp dword [0x544fac], 0
jne 0x4a6721
call fcn.004a6670
xor eax, eax
test esi, esi
jle 0x4a674b
jmp 0x4a6730
movzx ecx, byte [eax + edi]
xor ecx, edx
and ecx, 0xff
shr edx, 8
xor edx, dword [ecx*4 + 0x544ad8]
inc eax
cmp eax, esi
jl 0x4a6730
mov eax, edx
ret