joyce8/EMBER2024-capa huggingface dataset:
Function at 0x486250
Capabilities:
Encode data using xor

Disassembly:
push ecx
push ecx
mov edx, dword [esp + 0x2c]
push esi
mov esi, dword [esp + 0x10]
mov eax, dword [esi + 0xd4]
mov dword [esp + 4], eax
test edx, edx
je 0x486306
imul eax, dword [esp + 0x1c]
mov ecx, dword [esp + 0x18]
imul ecx, dword [esp + 0x28]
push ebx
mov ebx, dword [esp + 0x24]
mov dword [esp + 0x20], eax
mov eax, dword [esp + 0x1c]
neg eax
add ecx, dword [esp + 0x18]
mov dword [esp + 0xc], eax
mov eax, dword [esp + 0x28]
push ebp
push edi
lea edi, [ecx + eax*4]
mov eax, dword [esp + 0x28]
mov ecx, dword [esi + 0xcc]
mov ebp, edi
imul ecx, ebx
add ecx, dword [esi + 0xc8]
add ecx, eax
cmp dword [esp + 0x38], 0
jle 0x4862e6
mov edx, dword [esp + 0x38]
mov esi, dword [esp + 0x10]
mov al, byte [ebp + 2]
xor byte [ecx + 2], al
mov al, byte [ebp + 1]
xor byte [ecx + 1], al
mov al, byte [ebp]
lea ebp, [ebp + 4]
xor byte [ecx], al
add ecx, esi
dec edx
jne 0x4862c1
mov edx, dword [esp + 0x3c]
mov esi, dword [esp + 0x1c]
mov eax, dword [esp + 0x28]
dec edx
inc ebx
cmp dword [esi + 0xe8], 0
mov dword [esp + 0x3c], edx
jne 0x4862fb
add edi, dword [esp + 0x14]
jmp 0x4862ff
add edi, dword [esp + 0x24]
test edx, edx
jne 0x48629f
pop edi
pop ebp
pop ebx
pop esi
pop ecx
pop ecx
ret 0x24

Function at 0x486611
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
push ecx
imul edx, dword [esp + 0x28], 3
push ebx
mov ebx, dword [esp + 0x30]
mov dword [esp + 8], edx
test ebx, ebx
je 0x4866eb
imul eax, dword [esp + 0x1c], 3
mov ecx, dword [esp + 0x18]
push ebp
mov ebp, dword [esp + 0x24]
neg ecx
push esi
mov dword [esp + 0x24], eax
mov eax, dword [esp + 0x20]
imul eax, dword [esp + 0x30]
push edi
imul edi, dword [esp + 0x30], 3
mov dword [esp + 0x10], ecx
add eax, dword [esp + 0x20]
add edi, eax
mov eax, dword [esp + 0x1c]
mov dword [esp + 0x38], edi
mov esi, dword [eax + 0xcc]
imul esi, ebp
mov dword [esp + 0x34], edi
add esi, dword [eax + 0xc8]
add esi, dword [esp + 0x28]
test edx, edx
jle 0x4866c1
mov ebp, dword [esp + 0x34]
mov ebx, 0xff
sub ebx, dword [esp + 0x40]
mov edi, edx
movzx eax, byte [esi]
movzx ecx, byte [ebp]
imul ecx, dword [esp + 0x40]
imul eax, ebx
add eax, ecx
mov ecx, 0xff
cdq
idiv ecx
inc ebp
mov byte [esi], al
inc esi
dec edi
jne 0x486689
mov edi, dword [esp + 0x38]
mov ebx, dword [esp + 0x3c]
mov ebp, dword [esp + 0x2c]
mov eax, dword [esp + 0x1c]
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
dec ebx
inc ebp
cmp dword [eax + 0xe8], 0
mov dword [esp + 0x3c], ebx
mov dword [esp + 0x2c], ebp
jne 0x4866d8
add edi, ecx
jmp 0x4866dc
add edi, dword [esp + 0x24]
mov dword [esp + 0x38], edi
test ebx, ebx
jne 0x48665f
pop edi
pop esi
pop ebp
pop ebx
pop ecx
pop ecx
ret 0x28
Function at 0x486d0b
Capabilities:
Encode data using xor

Disassembly:
push ecx
push ecx
push esi
mov esi, dword [esp + 0x30]
push edi
mov edi, dword [esp + 0x14]
mov eax, dword [edi + 0xd4]
mov dword [esp + 8], eax
test esi, esi
je 0x486dc0
imul eax, dword [esp + 0x20]
imul edx, dword [esp + 0x28], 3
push ebx
mov ebx, dword [esp + 0x28]
push ebp
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x24]
neg eax
mov dword [esp + 0x14], eax
mov eax, dword [esp + 0x24]
imul eax, dword [esp + 0x34]
add eax, dword [esp + 0x20]
add edx, eax
mov eax, dword [esp + 0x28]
mov ecx, dword [edi + 0xcc]
mov ebp, edx
imul ecx, ebx
add ecx, dword [edi + 0xc8]
add ecx, eax
cmp dword [esp + 0x38], 0
jle 0x486da1
mov esi, dword [esp + 0x38]
mov edi, dword [esp + 0x10]
mov al, byte [ebp + 2]
xor byte [ecx + 2], al
mov al, byte [ebp + 1]
xor byte [ecx + 1], al
mov al, byte [ebp]
lea ebp, [ebp + 3]
xor byte [ecx], al
add ecx, edi
dec esi
jne 0x486d7c
mov esi, dword [esp + 0x3c]
mov edi, dword [esp + 0x1c]
mov eax, dword [esp + 0x28]
dec esi
inc ebx
cmp dword [edi + 0xe8], 0
mov dword [esp + 0x3c], esi
jne 0x486db6
add edx, dword [esp + 0x14]
jmp 0x486dba
add edx, dword [esp + 0x24]
test esi, esi
jne 0x486d5a
pop ebp
pop ebx
pop edi
pop esi
pop ecx
pop ecx
ret 0x24
Function at 0x488fdf
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 0x50
push ebx
mov ebx, dword [esp + 0x5c]
push ebp
xor ebp, ebp
push esi
test ebx, ebx
je 0x488ff3
mov esi, ebx
jmp 0x488ffd
push 0
call dword [sym.imp.GDI32.dll_CreateCompatibleDC]
mov esi, eax
test esi, esi
je 0x4890ee
lea eax, [esp + 0x18]
push eax
push 0x18
pop eax
push eax
push dword [esp + 0x68]
call dword [sym.imp.GDI32.dll_GetObjectW]
test eax, eax
je 0x4890e3
mov ebp, dword [esp + 0x1c]
lea eax, [esp + 0x30]
push edi
mov edi, dword [esp + 0x24]
push 0x2c
push 0
push eax
mov dword [esp + 0x20], ebp
call sub.MSVCRT.dll_memset
add esp, 0xc
mov dword [esp + 0x34], 0x28
xor eax, eax
mov dword [esp + 0x38], ebp
inc eax
mov dword [esp + 0x3c], edi
mov word [esp + 0x40], ax
xor ecx, ecx
push 0x18
pop eax
push ecx
push ecx
mov word [esp + 0x4a], ax
lea eax, [esp + 0x18]
push eax
push ecx
lea eax, [esp + 0x44]
mov dword [esp + 0x54], ecx
push eax
push esi
call dword [sym.imp.GDI32.dll_CreateDIBSection]
mov ebp, eax
mov dword [esp + 0x18], ebp
test ebp, ebp
je 0x4890e2
push 0
lea eax, [esp + 0x38]
push eax
push dword [esp + 0x18]
push edi
push 0
push dword [esp + 0x78]
push esi
call dword [sym.imp.GDI32.dll_GetDIBits]
imul edi, dword [esp + 0x14]
test edi, edi
jle 0x4890e2
mov ebx, dword [esp + 0x10]
push 3
pop ebp
movzx ecx, byte [ebx + 1]
movzx eax, byte [ebx + 2]
add eax, ecx
movzx ecx, byte [ebx]
add eax, ecx
cdq
idiv ebp
mov byte [ebx], al
mov ecx, dword [esp + 0x10]
mov byte [ecx + 1], al
mov ecx, dword [esp + 0x10]
mov byte [ecx + 2], al
mov ebx, dword [esp + 0x10]
add ebx, ebp
mov dword [esp + 0x10], ebx
dec edi
jne 0x4890ab
mov ebx, dword [esp + 0x68]
mov ebp, dword [esp + 0x18]
pop edi
test ebx, ebx
jne 0x4890ee
push esi
call dword [sym.imp.GDI32.dll_DeleteDC]
pop esi
mov eax, ebp
pop ebp
pop ebx
add esp, 0x50
ret 8

Function at 0x48b3b0
Capabilities:
Write file on windows

Disassembly:
push esi
mov esi, dword [esp + 0x10]
push edi
mov edi, dword [esp + 0xc]
mov eax, dword [edi]
test eax, eax
je 0x48b3e2
push 0
lea ecx, [esp + 0x10]
push ecx
push esi
push dword [esp + 0x1c]
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x48b3dd
cmp dword [esp + 0xc], esi
je 0x48b3f9
pop edi
xor eax, eax
pop esi
ret
mov eax, dword [edi + 4]
add eax, dword [edi + 8]
push esi
push dword [esp + 0x14]
push eax
call sub.MSVCRT.dll_memcpy
add esp, 0xc
add dword [edi + 8], esi
pop edi
mov eax, 1
pop esi
ret

Function at 0x48f592
Capabilities:
Get thread local storage value
Set thread local storage value

Disassembly:
push edi
push dword [0x6b1a90]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov edi, eax
test edi, edi
jne 0x48f5f3
push esi
push dword [0x6b1a8c]
push 8
push dword [0x637cb0]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov edi, eax
push edi
push dword [0x6b1a90]
call dword [sym.imp.KERNEL32.dll_TlsSetValue]
mov esi, dword [0x6b1a88]
jmp 0x48f5e3
mov ecx, dword [esi + 0xc]
test ecx, ecx
je 0x48f5e1
mov eax, dword [esi + 8]
add eax, edi
push eax
call ecx
pop ecx
mov esi, dword [esi]
test esi, esi
jne 0x48f5d1
push edi
push 0x48f530
call fcn.00529526
pop esi
mov eax, dword [esp + 8]
add eax, edi
pop edi
ret 4
Function at 0x48f5fd
Capabilities:
Allocate thread local storage
Get thread local storage value
Set thread local storage value

Disassembly:
push ebx
push ebp
push esi
mov esi, dword [esp + 0x10]
mov ecx, esi
push edi
and ecx, 3
je 0x48f613
push 4
pop eax
sub eax, ecx
add esi, eax
mov eax, dword [0x6b1a8c]
mov ebx, dword [sym.imp.KERNEL32.dll_TlsSetValue]
test eax, eax
jne 0x48f64a
call dword [sym.imp.KERNEL32.dll_TlsAlloc]
push esi
push 8
push dword [0x637cb0]
mov dword [0x6b1a90], eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
push eax
push dword [0x6b1a90]
call ebx
mov eax, dword [0x6b1a8c]
mov edi, eax
add eax, esi
push eax
push dword [0x6b1a90]
mov dword [0x6b1a8c], eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
push eax
push 8
push dword [0x637cb0]
call dword [sym.imp.KERNEL32.dll_HeapReAlloc]
mov ebp, eax
push ebp
push dword [0x6b1a90]
call ebx
mov esi, dword [esp + 0x18]
mov ebx, dword [esp + 0x1c]
test esi, esi
jne 0x48f68a
test ebx, ebx
je 0x48f6ab
push 0x14
push 0x6b1a88
call fcn.0048ff41
pop ecx
pop ecx
mov dword [eax], edi
mov dword [eax + 4], esi
mov dword [eax + 8], ebx
test esi, esi
je 0x48f6ab
lea ecx, [edi + ebp]
push ecx
call esi
pop ecx
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret 0xc

Function at 0x490090
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [0x633f50]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 8], eax
mov ecx, dword [ebp - 8]
mov edx, dword [ecx + 8]
sub edx, dword [ebp + 0xc]
mov dword [ebp - 4], edx
mov eax, dword [ebp + 8]
cmp dword [eax], 0
jne 0x4900d6
mov ecx, dword [ebp - 4]
add ecx, 0xa
push ecx
push 0
mov edx, dword [0x6b285c]
push edx
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov ecx, dword [ebp + 8]
mov dword [ecx], eax
jmp 0x4900f7
mov edx, dword [ebp - 4]
add edx, 0xa
push edx
mov eax, dword [ebp + 8]
mov ecx, dword [eax]
push ecx
push 0
mov edx, dword [0x6b285c]
push edx
call dword [sym.imp.KERNEL32.dll_HeapReAlloc]
mov ecx, dword [ebp + 8]
mov dword [ecx], eax
mov edx, dword [ebp - 4]
shr edx, 1
push edx
mov eax, dword [ebp - 8]
mov ecx, dword [eax]
add ecx, dword [ebp + 0xc]
push ecx
mov edx, dword [ebp + 8]
mov eax, dword [edx]
push eax
call fcn.004906d0
mov ecx, dword [ebp - 8]
mov edx, dword [ebp + 0xc]
mov dword [ecx + 8], edx
mov esp, ebp
pop ebp
ret 8

Function at 0x4901c0
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [0x633f50]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 4], eax
mov ecx, dword [ebp - 4]
mov edx, dword [ecx + 8]
add edx, 2
mov eax, dword [ebp - 4]
mov dword [eax + 8], edx
mov esp, ebp
pop ebp
ret

Function at 0x490220
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [0x633f50]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 4], eax
mov ecx, dword [ebp - 4]
mov eax, dword [ecx]
mov edx, dword [ebp - 4]
add eax, dword [edx + 8]
mov esp, ebp
pop ebp
ret
Function at 0x490250
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [0x633f50]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 4], eax
mov ecx, dword [ebp + 0xc]
push ecx
mov edx, dword [ebp - 4]
mov eax, dword [edx]
add eax, dword [ebp + 0x10]
push eax
mov ecx, dword [ebp + 8]
push ecx
call sub.MSVCRT.dll_wcsncpy
add esp, 0xc
mov edx, dword [ebp - 4]
mov eax, dword [ebp + 0x10]
mov dword [edx + 8], eax
mov esp, ebp
pop ebp
ret 0xc

Function at 0x4903c0
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x633f50]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 4], eax
cmp dword [ebp + 0xc], 0xffffffff
jne 0x4903e4
mov ecx, dword [ebp - 4]
mov edx, dword [ecx + 8]
mov dword [ebp + 0xc], edx
mov eax, dword [ebp - 4]
mov ecx, dword [eax + 8]
mov edx, dword [ebp + 8]
lea eax, [ecx + edx*2]
mov dword [ebp - 8], eax
mov ecx, dword [ebp - 4]
mov edx, dword [ecx + 4]
sub edx, 4
cmp dword [ebp - 8], edx
jl 0x490434
mov eax, dword [ebp - 8]
add eax, 0x4000
mov ecx, dword [ebp - 4]
mov dword [ecx + 4], eax
mov edx, dword [ebp - 4]
mov eax, dword [edx + 4]
add eax, 0xa
push eax
mov ecx, dword [ebp - 4]
mov edx, dword [ecx]
push edx
push 0
mov eax, dword [0x6b285c]
push eax
call dword [sym.imp.KERNEL32.dll_HeapReAlloc]
mov ecx, dword [ebp - 4]
mov dword [ecx], eax
jmp 0x49047c
mov edx, dword [ebp - 4]
cmp dword [edx + 4], 0x100000
jle 0x49047c
cmp dword [ebp - 8], 0x100000
jge 0x490450
mov dword [ebp - 8], 0x100000
mov eax, dword [ebp - 4]
mov ecx, dword [ebp - 8]
mov dword [eax + 4], ecx
mov edx, dword [ebp - 4]
mov eax, dword [edx + 4]
add eax, 0xa
push eax
mov ecx, dword [ebp - 4]
mov edx, dword [ecx]
push edx
push 0
mov eax, dword [0x6b285c]
push eax
call dword [sym.imp.KERNEL32.dll_HeapReAlloc]
mov ecx, dword [ebp - 4]
mov dword [ecx], eax
mov edx, dword [ebp - 4]
mov eax, dword [edx]
add eax, dword [ebp + 0xc]
mov dword [ebp - 0xc], eax
mov ecx, dword [ebp + 8]
mov edx, dword [ebp + 0xc]
lea eax, [edx + ecx*2]
mov ecx, dword [ebp - 4]
mov dword [ecx + 8], eax
mov eax, dword [ebp - 0xc]
mov esp, ebp
pop ebp
ret 8

Function at 0x4904a0
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [0x633f50]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 4], eax
mov ecx, dword [ebp + 8]
shl ecx, 1
mov edx, dword [ebp - 4]
mov eax, dword [edx + 8]
sub eax, ecx
mov ecx, dword [ebp - 4]
mov dword [ecx + 8], eax
mov esp, ebp
pop ebp
ret 4

Function at 0x490620
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [0x633f50]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 4], eax
mov ecx, dword [ebp - 4]
mov edx, dword [ebp + 8]
cmp edx, dword [ecx]
jb 0x49065e
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
mov edx, dword [ebp - 4]
add ecx, dword [edx + 8]
cmp dword [ebp + 8], ecx
ja 0x49065e
mov eax, dword [ebp - 4]
mov ecx, dword [ebp + 8]
sub ecx, dword [eax]
add ecx, 1
mov eax, ecx
jmp 0x490660
xor eax, eax
mov esp, ebp
pop ebp
ret 4
Function at 0x490720
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [0x633f50]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 4], eax
mov ecx, dword [ebp - 4]
mov eax, dword [ecx]
add eax, dword [ebp + 8]
mov esp, ebp
pop ebp
ret 4

Function at 0x490ab0
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [0x633f50]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 4], eax
mov ecx, dword [ebp - 4]
mov edx, dword [ebp + 8]
mov dword [ecx + 8], edx
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
mov edx, dword [ebp - 4]
add ecx, dword [edx + 8]
mov dword [ebp - 8], ecx
mov eax, dword [ebp - 8]
mov esp, ebp
pop ebp
ret 4

Function at 0x490af0
Capabilities:
Query environment variable

Disassembly:
push str.EXPAT_ENTROPY_DEBUG
call dword [sym.imp.MSVCRT.dll_getenv]
add esp, 4
test eax, eax
je 0x490b54
mov ecx, 0x531d30
mov dl, byte [eax]
cmp dl, byte [ecx]
jne 0x490b27
test dl, dl
je 0x490b23
mov dl, byte [eax + 1]
cmp dl, byte [ecx + 1]
jne 0x490b27
add eax, 2
add ecx, 2
test dl, dl
jne 0x490b07
xor eax, eax
jmp 0x490b2c
sbb eax, eax
or eax, 1
test eax, eax
jne 0x490b54
push 4
push dword [esp + 0xc]
push 8
push dword [esp + 0x10]
push str.Entropy:__s_____0x_0lx___lu_bytes__n
call dword [sym.imp.MSVCRT.dll___p__iob]
add eax, 0x40
push eax
call dword [sym.imp.MSVCRT.dll_fprintf]
add esp, 0x18
mov eax, dword [esp + 8]
ret

Function at 0x494ec0
Capabilities:
Generate random numbers via rtlgenrandom

Disassembly:
sub esp, 0xc
push esi
xor esi, esi
jmp 0x494ed0
push 4
lea eax, [esp + 8]
mov dword [esp + 8], 0
push eax
call sub.ADVAPI32.dll_SystemFunction036
test al, al
je 0x494f21
mov edx, dword [esp + 4]
xor ecx, ecx
mov edi, edi
cmp esi, 4
jae 0x494f0b
mov eax, edx
shr eax, cl
add ecx, 8
mov byte [esp + esi + 8], al
inc esi
cmp ecx, 0x20
jb 0x494ef0
cmp esi, 4
jb 0x494ed0
push dword [esp + 8]
push str.rand_s
call fcn.00490af0
add esp, 8
pop esi
add esp, 0xc
ret
lea eax, [esp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemTimeAsFileTime]
mov esi, dword [esp + 8]
xor esi, dword [esp + 0xc]
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
xor eax, esi
imul eax, eax, 0x7fffffff
push eax
push str.fallback_4_
call fcn.00490af0
add esp, 8
pop esi
add esp, 0xc
ret
Function at 0x498890
Capabilities:
Encode data using xor

Disassembly:
sub esp, 8
cmp dword [esp + 0x10], 0
jle 0x498992
mov eax, dword [esp + 0xc]
push ebx
push ebp
push esi
mov ecx, dword [eax]
mov edx, dword [eax + 4]
push edi
jmp 0x4988b0
mov edi, dword [eax + 8]
add ecx, edi
mov esi, dword [eax + 0xc]
adc edx, esi
mov dword [eax], ecx
mov dword [eax + 4], edx
xor ecx, ecx
mov edx, esi
shld esi, edi, 0xd
shr edx, 0x13
or ecx, esi
shl edi, 0xd
mov esi, dword [eax]
or edx, edi
mov edi, dword [eax + 0x18]
mov dword [eax + 8], edx
xor dword [eax + 8], esi
mov edx, dword [eax + 4]
mov dword [eax + 0xc], ecx
xor ecx, ecx
xor dword [eax + 0xc], edx
or ecx, esi
add dword [eax + 0x10], edi
mov esi, dword [eax + 0x1c]
adc dword [eax + 0x14], esi
mov ebp, dword [eax + 0x10]
mov ebx, dword [eax + 0x14]
mov dword [eax], edx
mov edx, esi
shld esi, edi, 0x10
mov dword [eax + 4], ecx
xor ecx, ecx
or ecx, esi
shr edx, 0x10
shl edi, 0x10
or edx, edi
mov dword [eax + 0x1c], ecx
xor dword [eax + 0x1c], ebx
mov esi, dword [eax + 0x1c]
mov dword [eax + 0x18], edx
mov edx, esi
xor dword [eax + 0x18], ebp
mov edi, dword [eax + 0x18]
add dword [eax], edi
adc dword [eax + 4], esi
xor ecx, ecx
shld esi, edi, 0x15
shr edx, 0xb
or ecx, esi
shl edi, 0x15
mov esi, dword [eax + 0xc]
or edx, edi
mov edi, dword [eax + 8]
mov dword [eax + 0x18], edx
mov edx, dword [eax + 4]
mov dword [eax + 0x1c], ecx
xor dword [eax + 0x1c], edx
mov edx, esi
mov ecx, dword [eax]
xor dword [eax + 0x18], ecx
add ebp, edi
adc ebx, esi
xor ecx, ecx
shld esi, edi, 0x11
shr edx, 0xf
or ecx, esi
shl edi, 0x11
or edx, edi
mov dword [eax + 0xc], ecx
xor ecx, ecx
mov dword [eax + 8], edx
mov esi, ebp
mov edx, ebx
xor dword [eax + 0xc], edx
or ecx, esi
xor dword [eax + 8], esi
dec dword [esp + 0x20]
mov dword [eax + 0x10], edx
mov edx, dword [eax + 4]
mov dword [eax + 0x14], ecx
mov ecx, dword [eax]
jne 0x4988b0
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
Function at 0x4afc90
Capabilities:
Encode data using xor
Generate random numbers using the delphi lcg

Disassembly:
push ecx
mov eax, dword [esp + 0x18]
push esi
mov esi, dword [esp + 0x14]
cmp esi, eax
jb 0x4afca0
mov esi, eax
test esi, esi
je 0x4afd32
push ebx
mov ebx, dword [esp + 0x1c]
push ebp
mov ebp, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x18]
sub ebp, ebx
mov dword [esp + 0x10], esi
lea ecx, [ecx]
mov eax, dword [edi + 8]
mov dl, byte [ebx + ebp]
or eax, 2
mov ecx, eax
mov byte [esp + 0x20], dl
xor ecx, 1
imul ecx, eax
lea eax, [esp + 0x20]
push 1
push eax
shr ecx, 8
xor cl, dl
mov byte [ebx], cl
mov eax, dword [edi]
not eax
push eax
call fcn.004ac960
not eax
mov dword [edi], eax
movzx eax, al
add eax, dword [edi + 4]
imul eax, eax, 0x8088405
push 1
inc eax
mov dword [edi + 4], eax
mov al, byte [edi + 7]
mov byte [esp + 0x38], al
lea eax, [esp + 0x38]
push eax
mov eax, dword [edi + 8]
not eax
push eax
call fcn.004ac960
add esp, 0x18
lea ebx, [ebx + 1]
not eax
mov dword [edi + 8], eax
dec esi
jne 0x4afcc0
mov eax, dword [esp + 0x10]
pop edi
pop ebp
pop ebx
pop esi
pop ecx
ret
xor eax, eax
pop esi
pop ecx
ret

Function at 0x4afd40
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
mov edi, dword [esp + 0x14]
mov dword [esi], 0x12345678
mov dword [esi + 4], 0x23456789
mov dword [esi + 8], 0x34567890
test edi, edi
je 0x4afdc5
push ebx
mov ebx, dword [esp + 0x14]
jmp 0x4afd70
movzx eax, byte [ebx]
mov byte [esp + 0x10], al
lea eax, [esp + 0x10]
push 1
push eax
mov eax, dword [esi]
not eax
push eax
call fcn.004ac960
not eax
mov dword [esi], eax
movzx eax, al
add eax, dword [esi + 4]
imul eax, eax, 0x8088405
push 1
inc eax
mov dword [esi + 4], eax
movzx eax, byte [esi + 7]
mov byte [esp + 0x28], al
lea eax, [esp + 0x28]
push eax
mov eax, dword [esi + 8]
not eax
push eax
call fcn.004ac960
add esp, 0x18
lea ebx, [ebx + 1]
not eax
mov dword [esi + 8], eax
dec edi
jne 0x4afd70
pop ebx
pop edi
xor eax, eax
pop esi
ret

Function at 0x4b2b90
Capabilities:
Encode data using xor
Generate random numbers using the delphi lcg

Disassembly:
mov eax, dword [esp + 0x14]
push edi
mov edi, dword [esp + 0x10]
cmp edi, eax
jb 0x4b2b9f
mov edi, eax
test edi, edi
je 0x4b2c1d
push ebx
mov ebx, dword [esp + 0x18]
push ebp
mov ebp, dword [esp + 0x14]
push esi
mov esi, dword [esp + 0x14]
sub ebp, ebx
mov eax, dword [esi + 8]
or eax, 2
mov ecx, eax
xor ecx, 1
imul ecx, eax
lea eax, [esp + 0x1c]
push 1
push eax
shr ecx, 8
xor cl, byte [ebx + ebp]
mov byte [ebx], cl
mov eax, dword [esi]
not eax
mov byte [esp + 0x24], cl
push eax
call fcn.004ac960
not eax
mov dword [esi], eax
movzx eax, al
add eax, dword [esi + 4]
imul eax, eax, 0x8088405
push 1
inc eax
mov dword [esi + 4], eax
mov al, byte [esi + 7]
mov byte [esp + 0x34], al
lea eax, [esp + 0x34]
push eax
mov eax, dword [esi + 8]
not eax
push eax
call fcn.004ac960
add esp, 0x18
lea ebx, [ebx + 1]
not eax
mov dword [esi + 8], eax
dec edi
jne 0x4b2bb4
pop esi
pop ebp
pop ebx
pop edi
ret
Function at 0x4b2c20
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
sub esp, 0x10
cmp dword [esp + 0x24], 0xc
jae 0x4b2c38
mov eax, dword [esp + 0x28]
mov byte [eax], 0xff
or eax, 0xffffffff
add esp, 0x10
ret
push esi
mov esi, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x24]
mov dword [esi], 0x12345678
mov dword [esi + 4], 0x23456789
mov dword [esi + 8], 0x34567890
test edi, edi
je 0x4b2cb5
push ebx
mov ebx, dword [esp + 0x24]
nop
movzx eax, byte [ebx]
mov byte [esp + 0x30], al
lea eax, [esp + 0x30]
push 1
push eax
mov eax, dword [esi]
not eax
push eax
call fcn.004ac960
not eax
mov dword [esi], eax
movzx eax, al
add eax, dword [esi + 4]
imul eax, eax, 0x8088405
push 1
inc eax
mov dword [esi + 4], eax
movzx eax, byte [esi + 7]
mov byte [esp + 0x1f], al
lea eax, [esp + 0x1f]
push eax
mov eax, dword [esi + 8]
not eax
push eax
call fcn.004ac960
add esp, 0x18
lea ebx, [ebx + 1]
not eax
mov dword [esi + 8], eax
dec edi
jne 0x4b2c60
pop ebx
push 0xc
lea eax, [esp + 0x10]
push eax
push 0xc
push dword [esp + 0x34]
push esi
call fcn.004b2b90
mov ecx, dword [esp + 0x44]
add esp, 0x14
mov al, byte [esp + 0x17]
pop edi
mov byte [ecx], al
xor eax, eax
pop esi
add esp, 0x10
ret
Function at 0x4b9dd0
Capabilities:
Terminate process

Disassembly:
push esi
push 0x24
push str.Fatal_Internal_Error_in_libarchive:
push 2
call fcn.004c0020
mov edx, dword [esp + 0x18]
add esp, 0xc
mov ecx, edx
lea esi, [ecx + 1]
jmp 0x4b9df0
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b9df0
sub ecx, esi
push ecx
push edx
push 2
call fcn.004c0020
push 1
push 0x539e60
push 2
call fcn.004c0020
add esp, 0x18
push dword [esp + 8]
call dword [sym.imp.MSVCRT.dll_exit]
pop esi
int3