joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4a6ec0
Capabilities:
Check if file exists
Get file attributes

Disassembly:
mov eax, dword [esp + 8]
push ebx
mov ebx, dword [sym.imp.KERNEL32.dll_GetLastError]
push ebp
mov ebp, dword [esp + 0xc]
push esi
xor esi, esi
push edi
mov edi, dword [sym.imp.MSVCRT.dll__errno]
test eax, 0xffff7fff
jne 0x4a6fa4
push ebp
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x4a6f3d
call ebx
cmp eax, 3
jne 0x4a6f23
push ebp
call fcn.004a7160
mov esi, eax
add esp, 4
test esi, esi
jne 0x4a6f17
call edi
pop edi
pop esi
pop ebp
mov dword [eax], 0x16
or eax, 0xffffffff
pop ebx
ret
push esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x4a6f3d
call ebx
push eax
call fcn.004a6e00
push esi
call dword [sym.imp.MSVCRT.dll_free]
add esp, 8
or eax, 0xffffffff
pop edi
pop esi
pop ebp
pop ebx
ret
test al, 0x10
je 0x4a6f98
push 0
push 0x2000001
push 3
push 0
push 0
push 0
test esi, esi
je 0x4a6f5d
push esi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
jmp 0x4a6f64
push ebp
call dword [sym.imp.KERNEL32.dll_CreateFileA]
push esi
mov edi, eax
call dword [sym.imp.MSVCRT.dll_free]
add esp, 4
cmp edi, 0xffffffff
jne 0x4a6f87
call ebx
push eax
call fcn.004a6e00
add esp, 4
or eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret
push 0
push edi
call dword [sym.imp.MSVCRT.dll__open_osfhandle]
add esp, 8
pop edi
pop esi
pop ebp
pop ebx
ret
test esi, esi
jne 0x4a703b
mov eax, dword [esp + 0x18]
push dword [esp + 0x1c]
push eax
push ebp
call dword [sym.imp.MSVCRT.dll__open]
mov esi, eax
add esp, 0xc
test esi, esi
jns 0x4a70c9
call edi
cmp dword [eax], 0xd
jne 0x4a7011
test dword [esp + 0x18], 0x100
je 0x4a7011
push ebp
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x4a6fed
call ebx
push eax
call fcn.004a6e00
add esp, 4
or eax, 0xffffffff
pop edi
pop esi
pop ebp
pop ebx
ret
test al, 0x10
je 0x4a7001
call edi
pop edi
pop esi
pop ebp
mov dword [eax], 0x15
or eax, 0xffffffff
pop ebx
ret
call edi
pop edi
pop esi
pop ebp
mov dword [eax], 0xd
or eax, 0xffffffff
pop ebx
ret
call edi
cmp dword [eax], 2
jne 0x4a70c9
push ebp
call fcn.004a7160
mov esi, eax
add esp, 4
test esi, esi
jne 0x4a703b
call edi
pop edi
pop esi
pop ebp
mov dword [eax], 0x16
or eax, 0xffffffff
pop ebx
ret
push dword [esp + 0x1c]
mov ebp, dword [esp + 0x1c]
push ebp
push esi
call dword [sym.imp.MSVCRT.dll__wopen]
add esp, 0xc
mov dword [esp + 0x18], eax
test eax, eax
jns 0x4a70b6
call edi
cmp dword [eax], 0xd
jne 0x4a70b6
test ebp, 0x100
je 0x4a70b6
push esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x4a708f
call ebx
push eax
call fcn.004a6e00
add esp, 4
push esi
call dword [sym.imp.MSVCRT.dll_free]
mov eax, dword [esp + 0x1c]
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
ret
test al, 0x10
je 0x4a70ae
call edi
push esi
mov dword [eax], 0x15
call dword [sym.imp.MSVCRT.dll_free]
mov eax, dword [esp + 0x1c]
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
ret
call edi
mov dword [eax], 0xd
push esi
call dword [sym.imp.MSVCRT.dll_free]
mov eax, dword [esp + 0x1c]
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
ret
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
ret
Function at 0x4a70d0
Capabilities:
Read file on windows

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
jns 0x4a70e8
call dword [sym.imp.MSVCRT.dll__errno]
mov dword [eax], 9
or eax, 0xffffffff
ret
cmp dword [esp + 0xc], 0
jne 0x4a70f2
xor eax, eax
ret
push eax
call dword [sym.imp.MSVCRT.dll__get_osfhandle]
add esp, 4
lea ecx, [esp + 4]
push 0
push ecx
push dword [esp + 0x14]
push dword [esp + 0x14]
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x4a715a
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xe8
jne 0x4a7133
call dword [sym.imp.MSVCRT.dll__errno]
mov dword [eax], 0xb
or eax, 0xffffffff
ret
cmp eax, 0x6d
je 0x4a70ef
cmp eax, 5
jne 0x4a714d
call dword [sym.imp.MSVCRT.dll__errno]
mov dword [eax], 9
or eax, 0xffffffff
ret
push eax
call fcn.004a6e00
add esp, 4
or eax, 0xffffffff
ret
mov eax, dword [esp + 4]
ret

Function at 0x4a7390
Capabilities:
Write file on windows

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
jns 0x4a73a8
call dword [sym.imp.MSVCRT.dll__errno]
mov dword [eax], 9
or eax, 0xffffffff
ret
push 0
lea ecx, [esp + 8]
push ecx
push dword [esp + 0x14]
push dword [esp + 0x14]
push eax
call dword [sym.imp.MSVCRT.dll__get_osfhandle]
add esp, 4
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
jne 0x4a73f4
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 5
jne 0x4a73e7
call dword [sym.imp.MSVCRT.dll__errno]
mov dword [eax], 9
or eax, 0xffffffff
ret
push eax
call fcn.004a6e00
add esp, 4
or eax, 0xffffffff
ret
mov eax, dword [esp + 4]
ret

Function at 0x4b59c0
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [eax + 0x38]
mov bl, byte [eax + 0x34]
test esi, esi
jle 0x4b59fb
mov edx, dword [eax + 0x260]
push edi
movzx edi, bl
lea ebx, [ebx]
mov ecx, edx
shl edx, 8
shr ecx, 0x18
xor ecx, edi
xor edx, dword [ecx*4 + 0xb27490]
mov dword [eax + 0x260], edx
dec esi
jne 0x4b59e0
pop edi
mov ecx, dword [eax + 0x34]
mov byte [eax + ecx + 0x58], 1
mov edx, dword [eax + 0x38]
mov ecx, edx
dec ecx
je 0x4b5a82
dec ecx
je 0x4b5a67
dec ecx
je 0x4b5a5b
mov byte [edx + eax + 0x54], 1
mov edx, dword [eax + 0x44]
mov ecx, dword [eax + 0x24]
mov byte [edx + ecx], bl
inc dword [eax + 0x44]
mov edx, dword [eax + 0x44]
mov ecx, dword [eax + 0x24]
mov byte [edx + ecx], bl
inc dword [eax + 0x44]
mov edx, dword [eax + 0x44]
mov ecx, dword [eax + 0x24]
mov byte [edx + ecx], bl
inc dword [eax + 0x44]
mov edx, dword [eax + 0x44]
mov ecx, dword [eax + 0x24]
mov byte [edx + ecx], bl
inc dword [eax + 0x44]
mov esi, dword [eax + 0x44]
mov dl, byte [eax + 0x38]
mov ecx, dword [eax + 0x24]
sub dl, 4
mov byte [esi + ecx], dl
inc dword [eax + 0x44]
pop esi
pop ebx
ret
mov edx, dword [eax + 0x44]
mov ecx, dword [eax + 0x24]
mov byte [edx + ecx], bl
inc dword [eax + 0x44]
mov edx, dword [eax + 0x44]
mov ecx, dword [eax + 0x24]
pop esi
mov byte [edx + ecx], bl
inc dword [eax + 0x44]
mov edx, dword [eax + 0x44]
mov ecx, dword [eax + 0x24]
mov byte [edx + ecx], bl
inc dword [eax + 0x44]
pop ebx
ret
mov ecx, dword [eax + 0x44]
mov edx, dword [eax + 0x24]
pop esi
mov byte [edx + ecx], bl
inc dword [eax + 0x44]
pop ebx
ret
Function at 0x4c55b0
Capabilities:
Terminate process

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x4c55d0
mov ecx, dword [eax + 0x40]
test ecx, ecx
je 0x4c55d0
mov eax, dword [eax + 0x44]
test eax, eax
je 0x4c55d0
push dword [esp + 8]
push eax
call ecx
add esp, 8
push 0
call dword [sym.imp.KERNEL32.dll_ExitProcess]

Function at 0x4d7860
Capabilities:
Query environment variable

Disassembly:
push ecx
push esi
push edi
mov edi, dword [esp + 0x10]
push edi
mov dword [edi + 4], 0
call fcn.004d9980
push 0x54
push edi
mov dword [esp + 0x14], eax
call fcn.004d9950
mov esi, eax
add esp, 0xc
test esi, esi
jne 0x4d78a7
push edi
call fcn.004d9990
mov ecx, dword [edi]
push edi
mov dword [ecx + 0x14], 0x38
mov ecx, dword [edi]
mov dword [ecx + 0x18], esi
mov eax, dword [edi]
mov eax, dword [eax]
call eax
add esp, 8
mov dword [esi], fcn.004d74f0
mov dword [esi + 4], fcn.004d7380
mov dword [esi + 8], fcn.004d7450
mov dword [esi + 0xc], fcn.004d72d0
mov dword [esi + 0x10], 0x4d7bc0
mov dword [esi + 0x14], 0x4d7b50
mov dword [esi + 0x18], 0x4d79b0
mov dword [esi + 0x1c], 0x4d7180
mov dword [esi + 0x20], 0x4d7030
mov dword [esi + 0x24], 0x4d7760
mov dword [esi + 0x28], 0x4d7c30
mov dword [esi + 0x30], 0x3b9aca00
mov eax, dword [esp + 8]
mov dword [esi + 0x2c], eax
mov dword [esi + 0x38], 0
mov dword [esi + 0x40], 0
mov dword [esi + 0x34], 0
mov dword [esi + 0x3c], 0
mov dword [esi + 0x44], 0
mov dword [esi + 0x48], 0
mov dword [esi + 0x4c], 0x54
push 0x552464
mov dword [edi + 4], esi
call dword [sym.imp.MSVCRT.dll_getenv]
add esp, 4
test eax, eax
je 0x4d798a
lea ecx, [esp + 0x10]
mov byte [esp + 0x10], 0x78
push ecx
lea ecx, [esp + 0xc]
push ecx
push 0x55246c
push eax
call dword [sym.imp.MSVCRT.dll_sscanf]
add esp, 0x10
test eax, eax
jle 0x4d798a
mov al, byte [esp + 0x10]
cmp al, 0x6d
je 0x4d7979
cmp al, 0x4d
mov eax, dword [esp + 8]
jne 0x4d7981
imul eax, dword [esp + 8], 0x3e8
imul eax, eax, 0x3e8
mov dword [esi + 0x2c], eax
pop edi
pop esi
pop ecx
ret
Function at 0x4ed9c0
Capabilities:
Read file on windows

Disassembly:
push ebx
mov ebx, dword [esp + 8]
push edi
mov edi, dword [ebx + 0x48]
mov eax, dword [edi + 0x18]
cmp eax, 0xc
jle 0x4ed9dd
pop edi
mov dword [ebx + 0x40], 0x70
xor eax, eax
pop ebx
ret
push ebp
push esi
cmp dword [edi + 0x2c], eax
jge 0x4edaa1
lea esi, [edi + 0x44]
jmp 0x4ed9f0
mov dl, byte [esi]
test dl, dl
jne 0x4eda75
mov ecx, dword [ebx + 0x48]
mov eax, dword [ecx + 0x3c]
test eax, eax
je 0x4eda0b
push 1
push esi
push ebx
call eax
add esp, 0xc
jmp 0x4eda1c
push dword [ecx + 0x38]
push 1
push 1
push esi
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
cmp eax, 1
jne 0x4edafc
mov al, byte [esi]
test al, al
je 0x4edaee
mov edx, dword [ebx + 0x48]
lea ebp, [esi + 1]
movzx eax, al
mov ecx, dword [edx + 0x3c]
test ecx, ecx
je 0x4eda49
push eax
push ebp
push ebx
call ecx
add esp, 0xc
jmp 0x4eda59
push dword [edx + 0x38]
push eax
push 1
push ebp
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
mov cl, byte [esi]
mov edx, eax
movzx eax, cl
cmp edx, eax
jne 0x4edafc
mov al, byte [ebp]
dec cl
mov byte [ebp], 2
mov byte [esi], cl
jmp 0x4eda87
mov cl, byte [esi + 1]
movzx eax, cl
inc cl
dec dl
mov al, byte [eax + esi]
mov byte [esi + 1], cl
mov byte [esi], dl
mov ecx, dword [edi + 0x2c]
movzx eax, al
shl eax, cl
or dword [edi + 0x30], eax
lea eax, [ecx + 8]
mov dword [edi + 0x2c], eax
cmp eax, dword [edi + 0x18]
jl 0x4ed9f0
mov eax, dword [edi + 0x18]
movzx ecx, word [eax*2 + 0x552c60]
mov eax, dword [esp + 0x18]
and ecx, dword [edi + 0x30]
mov dword [eax], ecx
mov ecx, dword [edi + 0x18]
shr dword [edi + 0x30], cl
sub dword [edi + 0x2c], ecx
mov eax, dword [edi + 0x14]
cmp eax, 0x1001
jge 0x4edae4
mov edx, dword [edi + 0x1c]
inc eax
mov dword [edi + 0x14], eax
cmp eax, edx
jle 0x4edae4
cmp ecx, 0xc
jge 0x4edae4
lea eax, [edx + edx]
mov dword [edi + 0x1c], eax
lea eax, [ecx + 1]
mov dword [edi + 0x18], eax
pop esi
pop ebp
pop edi
mov eax, 1
pop ebx
ret
pop esi
pop ebp
pop edi
mov dword [ebx + 0x40], 0x70
xor eax, eax
pop ebx
ret
pop esi
pop ebp
pop edi
mov dword [ebx + 0x40], 0x66
xor eax, eax
pop ebx
ret
Function at 0x4eddd0
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
mov edi, dword [esi + 0x48]
mov eax, dword [edi + 0x3c]
test eax, eax
je 0x4eddef
push 1
lea ecx, [esp + 0x10]
push ecx
push esi
call eax
add esp, 0xc
jmp 0x4ede04
push dword [edi + 0x38]
lea eax, [esp + 0x10]
push 1
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
cmp eax, 1
jne 0x4ede5b
mov cl, byte [esp + 0xc]
test cl, cl
je 0x4ede67
mov edx, dword [esp + 0x10]
lea eax, [edi + 0x44]
mov dword [edx], eax
mov byte [eax], cl
mov eax, dword [esi + 0x48]
mov ecx, dword [eax + 0x3c]
test ecx, ecx
je 0x4ede38
movzx eax, byte [esp + 0xc]
push eax
mov eax, dword [edx]
inc eax
push eax
push esi
call ecx
add esp, 0xc
jmp 0x4ede50
push dword [eax + 0x38]
movzx eax, byte [esp + 0x10]
push eax
mov eax, dword [edx]
inc eax
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
mov ecx, eax
movzx eax, byte [esp + 0xc]
cmp ecx, eax
je 0x4ede7c
pop edi
mov dword [esi + 0x40], 0x66
xor eax, eax
pop esi
ret
mov eax, dword [esp + 0x10]
mov dword [eax], 0
mov byte [edi + 0x44], 0
mov dword [edi + 0x34], 0
pop edi
mov eax, 1
pop esi
ret

Function at 0x4ede90
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
mov edi, dword [esi + 0x48]
mov eax, dword [edi + 0x3c]
test eax, eax
je 0x4edeaf
push 1
lea ecx, [esp + 0x10]
push ecx
push esi
call eax
add esp, 0xc
jmp 0x4edec4
push dword [edi + 0x38]
lea eax, [esp + 0x10]
push 1
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
cmp eax, 1
jne 0x4edf1b
mov cl, byte [esp + 0xc]
test cl, cl
je 0x4edf27
mov edx, dword [esp + 0x10]
lea eax, [edi + 0x44]
mov dword [edx], eax
mov byte [eax], cl
mov eax, dword [esi + 0x48]
mov ecx, dword [eax + 0x3c]
test ecx, ecx
je 0x4edef8
movzx eax, byte [esp + 0xc]
push eax
mov eax, dword [edx]
inc eax
push eax
push esi
call ecx
add esp, 0xc
jmp 0x4edf10
push dword [eax + 0x38]
movzx eax, byte [esp + 0x10]
push eax
mov eax, dword [edx]
inc eax
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
mov ecx, eax
movzx eax, byte [esp + 0xc]
cmp ecx, eax
je 0x4edf31
pop edi
mov dword [esi + 0x40], 0x66
xor eax, eax
pop esi
ret
mov eax, dword [esp + 0x10]
mov dword [eax], 0
pop edi
mov eax, 1
pop esi
ret
Function at 0x4ee280
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
mov eax, dword [esi + 0x48]
test byte [eax], 8
jne 0x4ee298
mov dword [esi + 0x40], 0x6f
xor eax, eax
pop esi
ret
mov ecx, dword [eax + 0x3c]
test ecx, ecx
je 0x4ee2ae
push 1
lea eax, [esp + 0xc]
push eax
push esi
call ecx
add esp, 0xc
jmp 0x4ee2c3
push dword [eax + 0x38]
lea eax, [esp + 0xc]
push 1
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
cmp eax, 1
je 0x4ee2d3
mov dword [esi + 0x40], 0x66
xor eax, eax
pop esi
ret
mov al, byte [esp + 8]
cmp al, 0x21
je 0x4ee316
cmp al, 0x2c
je 0x4ee305
cmp al, 0x3b
mov eax, dword [esp + 0xc]
je 0x4ee2f8
mov dword [eax], 0
xor eax, eax
mov dword [esi + 0x40], 0x6b
pop esi
ret
mov dword [eax], 4
mov eax, 1
pop esi
ret
mov eax, dword [esp + 0xc]
pop esi
mov dword [eax], 2
mov eax, 1
ret
mov eax, dword [esp + 0xc]
pop esi
mov dword [eax], 3
mov eax, 1
ret
Function at 0x4ee330
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
mov eax, dword [esi + 0x48]
test byte [eax], 8
jne 0x4ee348
mov dword [esi + 0x40], 0x6f
xor eax, eax
pop esi
ret
push esi
push esi
call fcn.004ee4e0
add esp, 8
test eax, eax
je 0x4ee344
lea eax, [esi + 4]
push eax
push esi
call fcn.004ee4e0
add esp, 8
test eax, eax
je 0x4ee344
mov ecx, dword [esi + 0x48]
push ebp
mov ebp, dword [sym.imp.MSVCRT.dll_fread]
mov eax, dword [ecx + 0x3c]
test eax, eax
je 0x4ee387
push 3
lea ecx, [esp + 0x10]
push ecx
push esi
call eax
add esp, 0xc
jmp 0x4ee398
push dword [ecx + 0x38]
lea eax, [esp + 0x10]
push 3
push 1
push eax
call ebp
add esp, 0x10
cmp eax, 3
je 0x4ee3bb
push dword [esi + 0x14]
mov dword [esi + 0x40], 0x66
call fcn.004eed90
add esp, 4
mov dword [esi + 0x14], 0
xor eax, eax
pop ebp
pop esi
ret
mov dl, byte [esp + 0xc]
movzx ecx, dl
mov eax, ecx
and ecx, 7
shr eax, 4
inc ecx
and eax, 7
inc eax
push ebx
mov dword [esi + 8], eax
mov bl, dl
movzx eax, byte [esp + 0x11]
shr bl, 3
mov dword [esi + 0xc], eax
and bl, 1
mov al, byte [esp + 0x12]
mov byte [esi + 0x10], al
push edi
test dl, dl
jns 0x4ee4c0
mov eax, 1
shl eax, cl
push 0
push eax
call fcn.004eee40
add esp, 8
mov dword [esi + 0x14], eax
test eax, eax
jne 0x4ee418
pop edi
pop ebx
pop ebp
mov dword [esi + 0x40], 0x6d
pop esi
ret
mov byte [eax + 8], bl
xor ebx, ebx
mov eax, dword [esi + 0x14]
cmp dword [eax], ebx
jle 0x4ee4c7
xor edi, edi
lea ebx, [ebx]
mov ecx, dword [esi + 0x48]
mov eax, dword [ecx + 0x3c]
test eax, eax
je 0x4ee449
push 3
lea ecx, [esp + 0x18]
push ecx
push esi
call eax
add esp, 0xc
jmp 0x4ee45a
push dword [ecx + 0x38]
lea eax, [esp + 0x18]
push 3
push 1
push eax
call ebp
add esp, 0x10
cmp eax, 3
jne 0x4ee4a0
mov eax, dword [esi + 0x14]
inc ebx
mov ecx, dword [eax + 0xc]
movzx eax, byte [esp + 0x14]
mov byte [edi + ecx], al
mov eax, dword [esi + 0x14]
mov ecx, dword [eax + 0xc]
movzx eax, byte [esp + 0x15]
mov byte [ecx + edi + 1], al
mov eax, dword [esi + 0x14]
mov ecx, dword [eax + 0xc]
movzx eax, byte [esp + 0x16]
mov byte [ecx + edi + 2], al
add edi, 3
mov eax, dword [esi + 0x14]
cmp ebx, dword [eax]
jl 0x4ee430
pop edi
pop ebx
pop ebp
mov eax, 1
pop esi
ret
push dword [esi + 0x14]
call fcn.004eed90
add esp, 4
mov dword [esi + 0x14], 0
mov dword [esi + 0x40], 0x66
xor eax, eax
pop edi
pop ebx
pop ebp
pop esi
ret
mov dword [esi + 0x14], 0
pop edi
pop ebx
pop ebp
mov eax, 1
pop esi
ret

Function at 0x4ee4e0
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
mov ecx, dword [esi + 0x48]
mov eax, dword [ecx + 0x3c]
test eax, eax
je 0x4ee4fe
push 2
lea ecx, [esp + 0xc]
push ecx
push esi
call eax
add esp, 0xc
jmp 0x4ee513
push dword [ecx + 0x38]
lea eax, [esp + 0xc]
push 2
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
cmp eax, 2
je 0x4ee523
mov dword [esi + 0x40], 0x66
xor eax, eax
pop esi
ret
mov ax, word [esp + 8]
movzx ecx, ah
movzx eax, al
shl ecx, 8
or ecx, eax
mov eax, dword [esp + 0xc]
pop esi
mov dword [eax], ecx
mov eax, 1
ret
Function at 0x4ee540
Capabilities:
Read file on windows

Disassembly:
sub esp, 8
push edi
push 0x4c
call dword [sym.imp.MSVCRT.dll_malloc]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4ee56a
mov eax, dword [esp + 0x18]
test eax, eax
je 0x4ee563
mov dword [eax], 0x6d
xor eax, eax
pop edi
add esp, 8
ret
push esi
push 0x4c
push 0
push edi
call sub.MSVCRT.dll_memset
push 0x614c
push 1
mov dword [edi + 0x34], 0
mov dword [edi + 0x14], 0
call dword [sym.imp.MSVCRT.dll_calloc]
mov esi, eax
add esp, 0x14
test esi, esi
jne 0x4ee5b9
mov eax, dword [esp + 0x1c]
test eax, eax
je 0x4ee5a7
mov dword [eax], 0x6d
push edi
call dword [sym.imp.MSVCRT.dll_free]
add esp, 4
xor eax, eax
pop esi
pop edi
add esp, 8
ret
push 0x614c
push 0
push esi
call sub.MSVCRT.dll_memset
mov eax, dword [esp + 0x24]
add esp, 0xc
mov dword [edi + 0x48], esi
mov dword [esi + 0x3c], eax
mov eax, dword [esp + 0x14]
mov dword [esi + 4], 0
mov dword [esi + 0x38], 0
mov dword [esi], 8
mov ecx, dword [edi + 0x48]
mov dword [edi + 0x44], eax
mov eax, dword [ecx + 0x3c]
test eax, eax
je 0x4ee607
push 6
lea ecx, [esp + 0xc]
push ecx
push edi
call eax
add esp, 0xc
jmp 0x4ee61c
push dword [ecx + 0x38]
lea eax, [esp + 0xc]
push 6
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
cmp eax, 6
je 0x4ee631
mov eax, dword [esp + 0x1c]
test eax, eax
je 0x4ee65d
mov dword [eax], 0x66
jmp 0x4ee65d
push 3
lea eax, [esp + 0xc]
mov byte [esp + 0x12], 0
push eax
push str.GIFVER
call dword [sym.imp.MSVCRT.dll_strncmp]
add esp, 0xc
test eax, eax
je 0x4ee674
mov eax, dword [esp + 0x1c]
test eax, eax
je 0x4ee65d
mov dword [eax], 0x67
push esi
mov esi, dword [sym.imp.MSVCRT.dll_free]
call esi
push edi
call esi
add esp, 8
xor eax, eax
pop esi
pop edi
add esp, 8
ret
push edi
call fcn.004ee330
add esp, 4
test eax, eax
jne 0x4ee6a6
push esi
mov esi, dword [sym.imp.MSVCRT.dll_free]
call esi
push edi
call esi
mov eax, dword [esp + 0x24]
add esp, 8
test eax, eax
je 0x4ee69e
mov dword [eax], 0x68
pop esi
xor eax, eax
pop edi
add esp, 8
ret
mov dword [edi + 0x40], 0
cmp byte [esp + 0xb], 0x39
sete al
mov byte [esi + 0x6148], al
mov eax, edi
pop esi
pop edi
add esp, 8
ret

Function at 0x4ee8f0
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
mov edi, dword [esi + 0x48]
mov eax, dword [edi + 0x3c]
test eax, eax
je 0x4ee90f
push 1
lea ecx, [esp + 0x10]
push ecx
push esi
call eax
add esp, 0xc
jmp 0x4ee924
push dword [edi + 0x38]
lea eax, [esp + 0x10]
push 1
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
cmp eax, 1
jb 0x4ee93a
movzx ecx, byte [esp + 0xc]
cmp ecx, 8
jle 0x4ee93f
mov dword [esi + 0x40], 0x66
pop edi
xor eax, eax
pop esi
ret
mov eax, 1
mov dword [edi + 8], ecx
shl eax, cl
inc ecx
mov dword [edi + 0xc], eax
inc eax
mov dword [edi + 0x10], eax
inc eax
mov dword [edi + 0x14], eax
mov eax, 1
shl eax, cl
mov dword [edi + 0x1c], eax
mov eax, 0x1002
mov dword [edi + 0x18], ecx
mov ecx, 0x1000
mov byte [edi + 0x44], 0
mov dword [edi + 0x28], 0
mov dword [edi + 0x20], 0x1002
mov dword [edi + 0x2c], 0
mov dword [edi + 0x30], 0
add edi, 0x2144
rep stosd dword es:[edi], eax
pop edi
mov eax, 1
pop esi
ret
Function at 0x4f7ce0
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
mov ecx, dword [esp + 8]
push ebx
push ebp
push esi
mov esi, dword [esp + 0x10]
mov ebx, 0x1505
add ecx, esi
mov eax, ecx
push edi
xor edi, edi
sub eax, esi
cmp ecx, esi
sbb ebp, ebp
not ebp
and ebp, eax
jbe 0x4f7d24
mov al, byte [esi]
push eax
call fcn.00503cb0
movsx ecx, al
lea esi, [esi + 1]
mov eax, ebx
inc edi
shl eax, 5
add esp, 4
add eax, ebx
xor ecx, eax
mov ebx, ecx
cmp edi, ebp
jb 0x4f7d03
pop edi
pop esi
pop ebp
movzx eax, bl
pop ebx
ret
Function at 0x4faa60
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push 0x5537f8
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x4faa7a
pop edi
pop ebx
pop ecx
ret
push ebp
push esi
push str.LoadLibraryExA
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [esp + 0x18]
mov ebp, eax
push 0x553814
push esi
call dword [sym.imp.MSVCRT.dll_strpbrk]
add esp, 8
test eax, eax
je 0x4faac3
test ebp, ebp
je 0x4faab4
push 8
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
test ebp, ebp
je 0x4faae9
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4faae9
push 0x800
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
mov edx, eax
mov dword [esp + 0x10], edx
test edx, edx
je 0x4fab9f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4fab06
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0xb280c8]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4fab95
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4fab95
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4fab38
sub ecx, edx
mov eax, 0x5c
mov word [ecx + ebx], ax
mov ecx, ebx
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4fab50
sub ecx, edx
add ecx, ebx
sub ecx, esi
lea ecx, [ecx]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x4fab60
test ebp, ebp
je 0x4fab8c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0xb280cc]
add esp, 4
mov eax, edi
pop esi
pop ebp
pop edi
pop ebx
pop ecx
ret
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
push ebx
call dword [0xb280cc]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret