joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4618d0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
mov ebx, dword [ebp + 0xc]
push edi
mov edi, ebx
imul edi, dword [ebp + 0x10]
cmp byte [esi], 0
je 0x46190d
mov ecx, dword [ebp + 8]
mov edx, dword [esi + 4]
push 0
lea eax, [ebp + 0xc]
push eax
push edi
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x461901
mov byte [esi + 8], 1
mov eax, dword [ebp + 0xc]
xor edx, edx
div ebx
pop edi
pop ebx
pop ecx
pop ebp
ret
mov edx, dword [esi + 0x28]
mov ebx, dword [esi + 0x2c]
xor eax, eax
mov ecx, edi
add ecx, edx
adc eax, ebx
cmp eax, dword [esi + 0x24]
jb 0x46192c
ja 0x461927
cmp ecx, dword [esi + 0x20]
jbe 0x46192c
mov edi, dword [esi + 0x20]
sub edi, edx
cmp dword [esi + 0x34], 0
mov eax, dword [ebp + 8]
je 0x461974
push eax
mov eax, dword [esi + 0x3c]
push 0
push edi
push ebx
push edx
push ecx
sub eax, 0x10
mov dword [ebp + 0x10], esp
mov ebx, esp
push eax
call fcn.0042152d
add eax, 0x10
mov dword [ebx], eax
mov ecx, dword [esi + 0x38]
add esp, 4
push ecx
mov ecx, dword [esi + 0x34]
call fcn.00465da0
add dword [esi + 0x28], edi
mov eax, edi
adc dword [esi + 0x2c], 0
xor edx, edx
div dword [ebp + 0xc]
pop edi
pop ebx
pop ecx
pop ebp
ret
mov edx, dword [esi + 0x30]
add edx, dword [esi + 0x28]
push edi
push edx
push eax
call fcn.004862a0
add esp, 0xc
add dword [esi + 0x28], edi
mov eax, edi
pop edi
adc dword [esi + 0x2c], 0
xor edx, edx
div dword [ebp + 0xc]
pop ebx
pop ecx
pop ebp
ret
Function at 0x4634d0
Capabilities:
Check if file exists
Create directory
Get file attributes

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x4004
call fcn.0048ab40
mov eax, dword [0x4c3c64]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 0xc]
push esi
mov esi, dword [ebp + 8]
test esi, esi
je 0x463508
push esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x463508
push 0
push esi
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
movzx eax, word [ebx]
test ax, ax
je 0x4635f4
mov ecx, ebx
mov edx, ebx
movzx eax, ax
jmp 0x463520
cmp ax, 0x2f
je 0x46352c
cmp ax, 0x5c
jne 0x46352e
mov ecx, edx
movzx eax, word [edx + 2]
add edx, 2
test ax, ax
jne 0x463520
push edi
cmp ecx, ebx
je 0x46356f
sub ecx, ebx
sar ecx, 1
add ecx, ecx
mov edi, ecx
push edi
lea eax, [ebp - 0x4004]
push ebx
push eax
call fcn.004862a0
lea edx, [ebp - 0x4004]
push edx
xor ecx, ecx
push esi
mov word [ebp + edi - 0x4004], cx
call fcn.004634d0
add esp, 0x14
xor eax, eax
mov word [ebp - 0x2004], ax
test esi, esi
je 0x463595
lea edx, [ebp - 0x2004]
mov eax, esi
sub edx, esi
movzx ecx, word [eax]
mov word [edx + eax], cx
add eax, 2
test cx, cx
jne 0x463586
mov eax, ebx
mov edx, ebx
lea esp, [esp]
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x4635a0
lea edi, [ebp - 0x2004]
sub eax, edx
add edi, 0xfffffffe
mov cx, word [edi + 2]
add edi, 2
test cx, cx
jne 0x4635b6
mov ecx, eax
shr ecx, 2
mov esi, edx
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea ecx, [ebp - 0x2004]
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
pop edi
cmp eax, 0xffffffff
jne 0x4635f4
push 0
lea edx, [ebp - 0x2004]
push edx
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
mov ecx, dword [ebp - 4]
pop esi
xor ecx, ebp
pop ebx
call fcn.00484f14
mov esp, ebp
pop ebp
ret
Function at 0x4640c0
Capabilities:
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
push ecx
cmp dword [esi + 0xc], 0
je 0x4640d9
cmp dword [esi], 0
je 0x4640d9
cmp dword [esi + 8], 0
jne 0x4641af
push str.VirtAppsMutex
push 0
push 0x100000
call dword [sym.imp.KERNEL32.dll_OpenMutexW]
push ecx
mov dword [esi + 0xc], eax
mov dword [ebp - 4], esp
test eax, eax
jne 0x464122
mov eax, esp
push str.Initialize:_Creating_new_VirtAppMutex__Server_
push eax
call fcn.00452370
add esp, 8
call fcn.00463fa0
add esp, 4
push str.VirtAppsMutex
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexW]
mov dword [esi + 0xc], eax
jmp 0x46413a
mov ecx, esp
push str.Initialize:_Using_existing_VirtAppMutex__Client_
push ecx
call fcn.00452370
add esp, 8
call fcn.00463fa0
add esp, 4
cmp dword [esi + 0xc], 0
je 0x46416e
push str.VirtAppsList
push 0
push 6
call dword [sym.imp.KERNEL32.dll_OpenFileMappingW]
mov dword [esi], eax
test eax, eax
je 0x464174
push 0x547008
push 0
push 0
push 6
push eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov dword [esi + 8], eax
test eax, eax
jne 0x4641af
xor eax, eax
mov esp, ebp
pop ebp
ret
push str.VirtAppsList
push 0x547008
push 0
push 4
push 0
push 0xffffffffffffffff
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov dword [esi], eax
test eax, eax
je 0x46416e
push 0
push 0
push 0
push 0xf001f
push eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov dword [esi + 8], eax
test eax, eax
jne 0x4641af
mov esp, ebp
pop ebp
ret
mov eax, 1
mov esp, ebp
pop ebp
ret

Function at 0x4645e0
Capabilities:
Parse pe header
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push ebx
push esi
push edi
mov edi, dword [ebp + 0x10]
xor ebx, ebx
mov eax, 0x400000
cmp edi, ebx
ja 0x464606
jb 0x4645fe
cmp dword [ebp + 0xc], eax
jae 0x464606
mov eax, dword [ebp + 0xc]
mov dword [ebp - 4], edi
jmp 0x464609
mov dword [ebp - 4], ebx
push eax
mov eax, dword [ebp + 8]
push ebx
push ebx
push 4
push eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov ecx, eax
cmp ecx, ebx
jne 0x464627
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov edx, 0x5a4d
cmp word [ecx], dx
jne 0x464668
mov esi, dword [ecx + 0x3c]
mov eax, esi
cdq
cmp edx, edi
ja 0x464668
jb 0x464642
cmp eax, dword [ebp + 0xc]
jae 0x464668
cmp dword [esi + ecx], 0x4550
jne 0x464668
mov edx, dword [esi + ecx + 0x54]
add edx, dword [esi + ecx + 0x24]
mov eax, dword [ebp + 0x14]
add edx, dword [esi + ecx + 0x20]
add edx, dword [esi + ecx + 0x1c]
mov dword [eax + 4], ebx
mov dword [eax], edx
mov ebx, 1
push ecx
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
pop edi
pop esi
mov eax, ebx
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x464980
Capabilities:
Get file size
Set file attributes

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
push ebx
mov ebx, dword [edi + 0x84]
cmp dword [edi + 0x80], ebx
push esi
lea esi, [edi + 0x74]
jbe 0x46499e
call fcn.00485682
mov ecx, dword [esi + 0xc]
mov eax, dword [esi]
mov dword [ebp - 0x10], eax
mov dword [ebp - 8], ecx
cmp ecx, dword [esi + 0x10]
jbe 0x4649b6
call fcn.00485682
mov ecx, dword [ebp - 8]
mov edx, dword [ebp - 0x10]
mov eax, dword [esi]
push ebx
push edx
push ecx
push eax
lea eax, [ebp - 0x10]
push eax
call fcn.00466b10
xor ebx, ebx
cmp dword [edi + 0x18], ebx
je 0x4649d9
mov ecx, dword [edi]
push ebx
push ecx
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
mov edx, dword [edi + 0x18]
mov eax, dword [edi]
push ebx
push ebx
neg edx
push 3
sbb edx, edx
push ebx
and edx, 0x40000000
push 3
add edx, 0x80000000
push edx
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [edi + 4], eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov eax, dword [edi + 4]
cmp eax, 0xffffffff
je 0x464a80
lea ecx, [ebp - 8]
push ecx
push eax
mov dword [ebp - 8], ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, 0xffffffff
jne 0x464a27
or ecx, eax
or eax, eax
jmp 0x464a2b
mov ecx, eax
xor eax, eax
push ebx
mov edx, ecx
push edx
push eax
mov dword [edi + 0x14], eax
xor eax, eax
cmp dword [edi + 0x18], ebx
mov dword [edi + 0x10], ecx
mov ecx, dword [edi + 4]
setne al
lea eax, [eax + eax + 2]
push eax
push ebx
push ecx
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov dword [edi + 8], eax
cmp eax, ebx
jne 0x464a62
mov eax, 9
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
lea esi, [edi + 0x20]
cmp dword [ebp + 8], ebx
je 0x464a8d
mov edx, dword [edi + 0x14]
mov ecx, dword [edi + 0x10]
push esi
push edx
push ecx
push eax
call fcn.004645e0
add esp, 0x10
test eax, eax
jne 0x464a92
mov eax, 1
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
mov dword [esi], ebx
mov dword [esi + 4], ebx
mov edx, dword [edi + 0x14]
cmp edx, dword [esi + 4]
jb 0x464ac1
ja 0x464aa3
mov eax, dword [edi + 0x10]
cmp eax, dword [esi]
jbe 0x464ac1
mov ecx, edi
call fcn.004650f0
test eax, eax
jne 0x464ac1
cmp dword [edi + 0x18], ebx
je 0x464ac1
mov ecx, dword [esi + 4]
mov edx, dword [esi]
push ecx
push edx
mov esi, edi
call fcn.004648d0
pop esi
mov dword [edi + 0x8c], 1
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret 4
Function at 0x4666d0
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 0x46672c
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 0x466720
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 0x466746
or eax, eax
or ecx, 0xffffffff
jmp 0x466748
xor ecx, ecx
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 0x466762
mov ebx, 8
jmp 0x4667d9
lea edx, [ebp - 4]
push edx
push esi
mov dword [ebp - 4], ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, 0xffffffff
jne 0x46677c
or eax, eax
or ecx, 0xffffffff
jmp 0x46677e
xor ecx, ecx
lea edx, [ebp - 0x10]
push edx
push ecx
push eax
push edi
call fcn.004645e0
add esp, 0x10
test eax, eax
je 0x4667cd
mov ebx, dword [ebp - 0x10]
mov eax, ebx
or eax, dword [ebp - 0xc]
je 0x4667cd
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 0x4667c2
mov ebx, 0xc
jmp 0x4667d9
push esi
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
xor ebx, ebx
jmp 0x4667d9
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 0x4667ff
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 0x46d0d0
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 0x46d2ef
lea ebx, [ebx]
cmp dword [esi + 0x6af90], 3
jb 0x46d157
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 0x46d197
mov edx, dword [esi + 0x6af84]
sub edx, ecx
cmp edx, 0x7efa
ja 0x46d197
mov eax, dword [esi + 0x6af90]
cmp dword [esi + 0x6afa0], eax
jbe 0x46d182
mov dword [esi + 0x6afa0], eax
mov eax, ecx
call fcn.0046cde0
mov ebx, eax
mov eax, dword [esi + 0x6af90]
cmp ebx, eax
jbe 0x46d197
mov ebx, eax
mov eax, dword [esi + 0x6af84]
mov ecx, esi
cmp ebx, 3
jb 0x46d27c
sub eax, dword [esi + 0x6af88]
lea edx, [ebx - 3]
call fcn.0046c5d0
sub dword [esi + 0x6af90], ebx
mov ecx, dword [esi + 0x6af90]
mov dword [ebp - 8], eax
cmp ebx, dword [esi + 0x6af98]
ja 0x46d244
cmp ecx, 3
jb 0x46d244
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 0x46d1e0
add dword [esi + 0x6af84], edi
mov eax, dword [ebp - 8]
jmp 0x46d297
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 0x46d297
movzx edx, byte [eax + esi + 0x1af70]
xor eax, eax
call fcn.0046c5d0
dec dword [esi + 0x6af90]
inc dword [esi + 0x6af84]
test eax, eax
je 0x46d2d1
mov ecx, dword [esi + 0x6af74]
test ecx, ecx
jl 0x46d2ae
lea edx, [ecx + esi + 0x1af70]
jmp 0x46d2b0
xor edx, edx
mov eax, dword [esi + 0x6af84]
sub eax, ecx
push edx
xor edi, edi
mov ecx, esi
call fcn.0046c430
mov ecx, dword [esi + 0x6af84]
add esp, 4
mov dword [esi + 0x6af74], ecx
cmp dword [esi + 0x6af90], 0x106
jae 0x46d2e2
call fcn.0046cf80
cmp dword [esi + 0x6af90], 0
jne 0x46d100
mov ecx, dword [esi + 0x6af74]
test ecx, ecx
jl 0x46d302
lea edx, [ecx + esi + 0x1af70]
jmp 0x46d304
xor edx, edx
mov eax, dword [esi + 0x6af84]
sub eax, ecx
push edx
mov edi, 1
mov ecx, esi
call fcn.0046c430
add esp, 4
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x46dfb0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
test ecx, ecx
jne 0x46dfb7
xor eax, eax
ret
push esi
not eax
cmp edx, 8
jb 0x46e094
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 + 0x4b3068]
movzx edi, byte [ecx + 1]
xor edi, eax
and edi, 0xff
inc ecx
shr eax, 8
xor eax, dword [edi*4 + 0x4b3068]
movzx edi, byte [ecx + 1]
xor edi, eax
and edi, 0xff
inc ecx
shr eax, 8
xor eax, dword [edi*4 + 0x4b3068]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4b3068]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4b3068]
movzx edi, byte [ecx + 1]
xor edi, eax
inc ecx
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4b3068]
movzx edi, byte [ecx + 1]
inc ecx
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4b3068]
movzx edi, byte [ecx + 1]
inc ecx
xor edi, eax
and edi, 0xff
shr eax, 8
xor eax, dword [edi*4 + 0x4b3068]
inc ecx
sub edx, 8
sub esi, 1
jne 0x46dfd0
pop edi
test edx, edx
je 0x46e0bb
jmp 0x46e0a0
movzx esi, byte [ecx]
xor esi, eax
and esi, 0xff
shr eax, 8
xor eax, dword [esi*4 + 0x4b3068]
inc ecx
sub edx, 1
jne 0x46e0a0
not eax
pop esi
ret

Function at 0x46e0c0
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 + 0x4b3068]
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 + 0x4b3068]
mov dword [edx + 8], ecx
ret
Function at 0x46e250
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 0x46e276
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 0x46e28c
mov dword [ebp - 8], 1
mov edi, dword [ebp - 8]
test al, 2
je 0x46e293
or edi, 2
test al, 4
je 0x46e29a
or edi, 4
mov ecx, eax
and ecx, 0x10
je 0x46e2a4
or edi, 0x10
test al, 0x20
je 0x46e2ab
or edi, 0x20
test ecx, ecx
je 0x46e2b7
or edi, 0x40000000
jmp 0x46e2bd
or edi, 0x80000000
or edi, 0x1000000
mov dword [ebp - 8], edi
test edx, edx
jne 0x46e2d3
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 0x46e37a
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 0x46e377
mov eax, dword [ebp - 0x14]
lea ecx, [eax + 0x34]
cmp dword [ebp - 0x10], ecx
jbe 0x46e377
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 0x46e370
cmp eax, 0x454e
je 0x46e370
cmp eax, 0x454c
je 0x46e370
cmp eax, 0x4550
jne 0x46e377
or dword [ebp - 8], 0x400000
mov edi, dword [ebp - 8]
mov eax, dword [ebp + 8]
test eax, eax
je 0x46e383
mov dword [eax], edi
mov eax, dword [ebp + 0xc]
test eax, eax
je 0x46e38f
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 0x46e409
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.0048aa70
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.0048aa70
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.0048aa70
mov dword [esi + 0x10], eax
mov dword [esi + 0x14], edx
mov esi, dword [ebp + 0x14]
test esi, esi
je 0x46e431
push edi
push ebx
lea edx, [ebp - 8]
push edx
lea eax, [ebp - 4]
push eax
call fcn.0046e1f0
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 0x46e4e0
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 0x46e5cb
mov eax, dword [esi + 0x3c]
test eax, eax
je 0x46e517
cmp dword [esi + 0x40], edi
jae 0x46e517
push eax
call fcn.00476ba8
add esp, 4
mov dword [esi + 0x3c], 0
cmp dword [esi + 0x3c], 0
jne 0x46e52f
lea eax, [edi + edi]
push eax
call fcn.00476b9d
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.004862a0
add esp, 0xc
xor ebx, ebx
test edi, edi
jbe 0x46e5c8
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 + 0x4b3068]
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 + 0x4b3068]
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 0x46e547
mov edi, dword [ebp + 0xc]
mov eax, dword [esi + 0x3c]
mov edx, dword [esi + 0x20]
test edx, edx
je 0x46e60a
mov ecx, dword [esi + 0x24]
lea ebx, [ecx + edi]
cmp ebx, dword [esi + 0x28]
jb 0x46e5ef
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.004862a0
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 0x46e62c
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 0x46ea80
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
mov ecx, dword [esi + 0x84]
push edi
test ecx, ecx
je 0x46ead3
mov eax, dword [esi + 0x8c]
mov edi, dword [esi + 0x88]
cmp eax, edi
jae 0x46eb10
sub edi, eax
cmp edi, edx
jbe 0x46eaa7
mov edi, edx
push edi
add eax, ecx
push eax
push ebx
call fcn.004862a0
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.0046dfb0
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 0x46eb09
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 0x46eb10
mov edi, dword [ebp - 4]
mov eax, dword [esi + 0x78]
add dword [esi + 0x74], edi
mov edx, edi
mov ecx, ebx
call fcn.0046dfb0
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