joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4d89a0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov edx, dword [esp + 4]
push ebx
push ebp
mov ebp, dword [esp + 0x10]
push esi
mov esi, edi
mov ecx, ebp
cmp edi, 4
jb 0x4d89c8
mov eax, dword [edx]
cmp eax, dword [ecx]
jne 0x4d89d0
sub esi, 4
add ecx, 4
add edx, 4
cmp esi, 4
jae 0x4d89b4
test esi, esi
je case.0x4d8a8e.2
movzx eax, byte [edx]
movzx ebx, byte [ecx]
sub eax, ebx
jne 0x4d8a17
cmp esi, 1
jbe case.0x4d8a8e.2
movzx eax, byte [edx + 1]
movzx ebx, byte [ecx + 1]
sub eax, ebx
jne 0x4d8a17
cmp esi, 2
jbe case.0x4d8a8e.2
movzx eax, byte [edx + 2]
movzx ebx, byte [ecx + 2]
sub eax, ebx
jne 0x4d8a17
cmp esi, 3
jbe case.0x4d8a8e.2
movzx eax, byte [edx + 3]
movzx ecx, byte [ecx + 3]
sub eax, ecx
sar eax, 0x1f
or eax, 1
jle case.0x4d8a8e.2
mov ebx, dword [esp + 0x10]
xor edx, edx
test edi, edi
jle 0x4d8a40
mov esi, ebx
mov eax, ebp
sub esi, ebp
mov cl, byte [esi + eax]
cmp cl, byte [eax]
jne 0x4d8a40
inc edx
inc eax
cmp edx, edi
jl 0x4d8a33
lea eax, [edi - 1]
test eax, eax
js 0x4d8a5f
mov esi, ebx
lea ecx, [eax + ebp]
sub esi, ebp
mov edi, edi
cmp byte [ecx + esi], 0
jne 0x4d8a5f
cmp byte [ecx], 0xff
jne 0x4d8a5f
dec ecx
dec eax
jns 0x4d8a50
cmp edx, eax
jl case.0x4d8a8e.2
jle 0x4d8a70
pop esi
pop ebp
lea eax, [edx*8]
pop ebx
ret
mov cl, byte [edx + ebx]
mov bl, byte [edx + ebp]
mov al, bl
xor al, cl
mov byte [esp + 0x10], cl
movzx ecx, al
dec ecx
cmp ecx, 0x7e
ja case.0x4d8a8e.2
movzx ecx, byte [ecx + 0x4d8b00]
jmp dword [ecx*4 + 0x4d8ae0]
mov esi, 7
jmp 0x4d8ac4
mov esi, 6
jmp 0x4d8ac4
mov esi, 5
jmp 0x4d8ac4
mov esi, 4
jmp 0x4d8ac4
mov esi, 3
jmp 0x4d8ac4
mov esi, 2
jmp 0x4d8ac4
mov esi, 1
test byte [esp + 0x10], al
jne case.0x4d8a8e.2
and bl, al
cmp bl, al
jne case.0x4d8a8e.2
lea eax, [esi + edx*8]
pop esi
pop ebp
pop ebx
ret
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
ret

Function at 0x4e0840
Capabilities:
Encode data using xor

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
movzx edi, byte [esp + 0x10]
mov eax, edi
and eax, 1
add esi, ecx
add edx, ecx
test ecx, ecx
je 0x4e0873
push ebx
lea esp, [esp]
movzx ebx, byte [edx - 1]
dec edx
xor ebx, edi
add eax, ebx
dec esi
mov byte [esi], al
shr eax, 8
dec ecx
jne 0x4e0860
pop ebx
pop edi
pop esi
ret
Function at 0x4e2da0
Capabilities:
Encode data using xor

Disassembly:
push edi
mov edi, dword [esp + 8]
cmp dword [edi + 0x84], 0xffffffff
jne 0x4e2db2
xor eax, eax
pop edi
ret
mov eax, dword [edi]
push ebx
push esi
push eax
call fcn.004a6c30
mov ebx, dword [esp + 0x18]
mov ecx, dword [esp + 0x1c]
add esp, 4
mov esi, eax
mov dword [ecx], esi
test ebx, ebx
je 0x4e2e57
mov eax, dword [edi + 0x84]
push ebp
cmp eax, esi
jne 0x4e2dfe
test esi, esi
jle 0x4e2e34
mov ecx, ebx
lea eax, [edi + 4]
mov ebp, esi
lea esp, [esp]
mov dl, byte [eax + 0x60]
xor dl, byte [eax]
inc eax
mov byte [ecx], dl
inc ecx
dec ebp
jne 0x4e2df0
jmp 0x4e2e34
mov ecx, esi
sub ecx, eax
mov byte [eax + edi + 0x64], 0x80
cmp ecx, 1
jle 0x4e2e1d
dec ecx
push ecx
lea eax, [eax + edi + 0x65]
push 0
push eax
call sub.MSVCR100.dll_memset
add esp, 0xc
test esi, esi
jle 0x4e2e34
mov ecx, ebx
lea eax, [edi + 0x24]
mov ebp, esi
mov dl, byte [eax + 0x40]
xor dl, byte [eax]
inc eax
mov byte [ecx], dl
inc ecx
dec ebp
jne 0x4e2e28
mov eax, dword [edi]
push esi
push ebx
push ebx
push eax
call fcn.004a6c50
add esp, 0x10
pop ebp
test eax, eax
jne 0x4e2e57
push esi
push ebx
call fcn.004d2c70
add esp, 8
pop esi
pop ebx
xor eax, eax
pop edi
ret
pop esi
pop ebx
mov eax, 1
pop edi
ret

Function at 0x4f2ad0
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 0xc]
push edi
mov edi, dword [esp + 0xc]
cmp edi, eax
je 0x4f2b5b
mov edx, dword [esp + 8]
lea ecx, [edx - 1]
not edx
shr edx, 0x1f
push esi
mov esi, dword [edi + 4]
shr ecx, 0x1f
and ecx, edx
mov edx, dword [eax + 4]
xor edx, esi
dec ecx
and edx, ecx
xor esi, edx
mov dword [edi + 4], esi
xor dword [eax + 4], edx
mov esi, dword [edi + 0xc]
mov edx, dword [eax + 0xc]
xor edx, esi
and edx, ecx
xor esi, edx
mov dword [edi + 0xc], esi
xor dword [eax + 0xc], edx
mov esi, dword [edi + 0x10]
mov edx, dword [eax + 0x10]
xor edx, esi
and edx, ecx
and edx, 4
xor esi, edx
mov dword [edi + 0x10], esi
xor dword [eax + 0x10], edx
xor esi, esi
cmp dword [esp + 0x18], esi
jle 0x4f2b5a
push ebx
push ebp
mov edx, dword [edi]
mov ebx, dword [edx + esi*4]
lea ebp, [edx + esi*4]
mov edx, dword [eax]
mov edx, dword [edx + esi*4]
xor edx, ebx
and edx, ecx
xor ebx, edx
mov dword [ebp], ebx
mov ebx, dword [eax]
xor dword [ebx + esi*4], edx
lea ebx, [ebx + esi*4]
inc esi
cmp esi, dword [esp + 0x20]
jl 0x4f2b33
pop ebp
pop ebx
pop esi
pop edi
ret

Function at 0x4f3890
Capabilities:
Hash data using sha1

Disassembly:
push esi
mov esi, dword [esp + 8]
push 0x60
push 0
push esi
call sub.MSVCR100.dll_memset
add esp, 0xc
mov dword [esi], 0x67452301
mov dword [esi + 4], 0xefcdab89
mov dword [esi + 8], 0x98badcfe
mov dword [esi + 0xc], 0x10325476
mov dword [esi + 0x10], 0xc3d2e1f0
mov eax, 1
pop esi
ret
Function at 0x4f5060
Capabilities:
Hash data using sha224

Disassembly:
push esi
mov esi, dword [esp + 8]
push 0x70
push 0
push esi
call sub.MSVCR100.dll_memset
add esp, 0xc
mov dword [esi], 0xc1059ed8
mov dword [esi + 4], 0x367cd507
mov dword [esi + 8], 0x3070dd17
mov dword [esi + 0xc], 0xf70e5939
mov dword [esi + 0x10], 0xffc00b31
mov dword [esi + 0x14], 0x68581511
mov dword [esi + 0x18], 0x64f98fa7
mov dword [esi + 0x1c], 0xbefa4fa4
mov dword [esi + 0x6c], 0x1c
mov eax, 1
pop esi
ret

Function at 0x4f50c0
Capabilities:
Hash data using sha256

Disassembly:
push esi
mov esi, dword [esp + 8]
push 0x70
push 0
push esi
call sub.MSVCR100.dll_memset
add esp, 0xc
mov dword [esi], 0x6a09e667
mov dword [esi + 4], 0xbb67ae85
mov dword [esi + 8], 0x3c6ef372
mov dword [esi + 0xc], 0xa54ff53a
mov dword [esi + 0x10], 0x510e527f
mov dword [esi + 0x14], 0x9b05688c
mov dword [esi + 0x18], 0x1f83d9ab
mov dword [esi + 0x1c], 0x5be0cd19
mov dword [esi + 0x6c], 0x20
mov eax, 1
pop esi
ret
Function at 0x4f66b0
Capabilities:
Hash data using sha256

Disassembly:
mov eax, 0x74
call fcn.005b2630
mov eax, dword [0x644a10]
xor eax, esp
mov dword [esp + 0x70], eax
push esi
mov esi, dword [esp + 0x84]
push edi
mov edi, dword [esp + 0x80]
test esi, esi
jne 0x4f66de
mov esi, 0x64833c
push 0x70
lea eax, [esp + 0xc]
push 0
push eax
call sub.MSVCR100.dll_memset
mov ecx, dword [esp + 0x90]
push ecx
lea edx, [esp + 0x18]
push edi
push edx
mov dword [esp + 0x20], 0x6a09e667
mov dword [esp + 0x24], 0xbb67ae85
mov dword [esp + 0x28], 0x3c6ef372
mov dword [esp + 0x2c], 0xa54ff53a
mov dword [esp + 0x30], 0x510e527f
mov dword [esp + 0x34], 0x9b05688c
mov dword [esp + 0x38], 0x1f83d9ab
mov dword [esp + 0x3c], 0x5be0cd19
mov dword [esp + 0x8c], 0x20
call fcn.004f6200
lea eax, [esp + 0x20]
push eax
push esi
call fcn.004f6300
lea ecx, [esp + 0x28]
push 0x70
push ecx
call fcn.004d2c70
mov ecx, dword [esp + 0xa0]
add esp, 0x28
pop edi
mov eax, esi
pop esi
xor ecx, esp
call fcn.005b2129
add esp, 0x74
ret

Function at 0x4f68e0
Capabilities:
Hash data using sha224

Disassembly:
mov eax, dword [esp + 4]
xor ecx, ecx
mov dword [eax], 0xc1059ed8
mov dword [eax + 4], 0xcbbb9d5d
mov dword [eax + 8], 0x367cd507
mov dword [eax + 0xc], 0x629a292a
mov dword [eax + 0x10], 0x3070dd17
mov dword [eax + 0x14], 0x9159015a
mov dword [eax + 0x18], 0xf70e5939
mov dword [eax + 0x1c], 0x152fecd8
mov dword [eax + 0x20], 0xffc00b31
mov dword [eax + 0x24], 0x67332667
mov dword [eax + 0x28], 0x68581511
mov dword [eax + 0x2c], 0x8eb44a87
mov dword [eax + 0x30], 0x64f98fa7
mov dword [eax + 0x34], 0xdb0c2e0d
mov dword [eax + 0x38], 0xbefa4fa4
mov dword [eax + 0x3c], 0x47b5481d
mov dword [eax + 0x40], ecx
mov dword [eax + 0x44], ecx
mov dword [eax + 0x48], ecx
mov dword [eax + 0x4c], ecx
mov dword [eax + 0xd0], ecx
mov dword [eax + 0xd4], 0x30
lea eax, [ecx + 1]
ret

Function at 0x4f6980
Capabilities:
Hash data using sha256

Disassembly:
mov eax, dword [esp + 4]
xor ecx, ecx
mov dword [eax], 0xf3bcc908
mov dword [eax + 4], 0x6a09e667
mov dword [eax + 8], 0x84caa73b
mov dword [eax + 0xc], 0xbb67ae85
mov dword [eax + 0x10], 0xfe94f82b
mov dword [eax + 0x14], 0x3c6ef372
mov dword [eax + 0x18], 0x5f1d36f1
mov dword [eax + 0x1c], 0xa54ff53a
mov dword [eax + 0x20], 0xade682d1
mov dword [eax + 0x24], 0x510e527f
mov dword [eax + 0x28], 0x2b3e6c1f
mov dword [eax + 0x2c], 0x9b05688c
mov dword [eax + 0x30], 0xfb41bd6b
mov dword [eax + 0x34], 0x1f83d9ab
mov dword [eax + 0x38], 0x137e2179
mov dword [eax + 0x3c], 0x5be0cd19
mov dword [eax + 0x40], ecx
mov dword [eax + 0x44], ecx
mov dword [eax + 0x48], ecx
mov dword [eax + 0x4c], ecx
mov dword [eax + 0xd0], ecx
mov dword [eax + 0xd4], 0x40
lea eax, [ecx + 1]
ret
Function at 0x4fd4f0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.005b2630
mov eax, dword [esp + 0x1c]
push ebx
mov ebx, dword [esp + 0x14]
push ebp
push esi
mov esi, dword [eax]
push edi
mov edi, dword [esp + 0x28]
test esi, esi
je 0x4fd535
test ebx, ebx
je 0x4fd535
mov cl, byte [esi + edi]
mov ebp, dword [esp + 0x18]
xor cl, byte [ebp]
mov eax, dword [esp + 0x1c]
mov byte [eax], cl
inc eax
inc ebp
inc esi
dec ebx
and esi, 0xf
mov dword [esp + 0x1c], eax
mov dword [esp + 0x18], ebp
jne 0x4fd510
cmp ebx, 0x10
jb 0x4fd5ad
mov edx, dword [esp + 0x18]
mov ecx, dword [esp + 0x1c]
mov eax, edx
sub eax, edi
mov dword [esp + 0x20], eax
mov eax, ebx
shr eax, 4
mov ebp, ecx
mov dword [esp + 0x10], eax
shl eax, 4
add ecx, eax
sub ebp, edi
add edx, eax
mov dword [esp + 0x1c], ecx
mov dword [esp + 0x18], edx
mov edx, dword [esp + 0x24]
push edx
push edi
push edi
call dword [esp + 0x3c]
add esp, 0xc
cmp esi, 0x10
jae 0x4fd59a
mov ecx, 0xf
sub ecx, esi
shr ecx, 2
lea eax, [esi + edi]
inc ecx
mov edx, dword [esp + 0x20]
mov edx, dword [edx + eax]
xor edx, dword [eax]
add eax, 4
dec ecx
mov dword [eax + ebp - 4], edx
jne 0x4fd587
add dword [esp + 0x20], 0x10
sub ebx, 0x10
add ebp, 0x10
xor esi, esi
dec dword [esp + 0x10]
jne 0x4fd566
test ebx, ebx
je 0x4fd5e9
mov eax, dword [esp + 0x24]
push eax
push edi
push edi
call dword [esp + 0x3c]
mov ebp, dword [esp + 0x24]
mov ecx, dword [esp + 0x28]
add esp, 0xc
lea eax, [esi + edi]
sub ebp, edi
sub ecx, edi
add esi, ebx
mov dl, byte [eax + ebp]
xor dl, byte [eax]
inc eax
dec ebx
mov byte [eax + ecx - 1], dl
jne 0x4fd5d0
mov eax, dword [esp + 0x2c]
pop edi
mov dword [eax], esi
pop esi
pop ebp
pop ebx
pop ecx
ret
mov ecx, dword [esp + 0x2c]
pop edi
mov dword [ecx], esi
pop esi
pop ebp
pop ebx
pop ecx
ret
Function at 0x4fdc80
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.005b2630
mov eax, dword [esp + 0x20]
push ebx
mov ebx, dword [eax]
push ebp
push esi
mov esi, dword [esp + 0x28]
push edi
mov edi, dword [esp + 0x20]
test ebx, ebx
je 0x4fdcc9
test edi, edi
je 0x4fdcc9
mov cl, byte [ebx + esi]
mov ebp, dword [esp + 0x18]
xor cl, byte [ebp]
mov eax, dword [esp + 0x1c]
mov byte [eax], cl
inc eax
inc ebp
inc ebx
dec edi
and ebx, 0xf
mov dword [esp + 0x1c], eax
mov dword [esp + 0x18], ebp
mov dword [esp + 0x20], ebx
jne 0x4fdca0
cmp edi, 0x10
jb 0x4fdd44
mov ecx, dword [esp + 0x1c]
mov edx, dword [esp + 0x18]
mov eax, edi
shr eax, 4
mov ebx, ecx
mov ebp, edx
mov dword [esp + 0x10], eax
shl eax, 4
add ecx, eax
sub ebx, esi
sub ebp, esi
add edx, eax
mov dword [esp + 0x20], 0
mov dword [esp + 0x1c], ecx
mov dword [esp + 0x18], edx
mov edi, edi
mov edx, dword [esp + 0x24]
mov eax, dword [esp + 0x28]
push edx
push esi
push eax
call dword [esp + 0x40]
mov edx, dword [esp + 0x34]
add esp, 0xc
call fcn.004fdc50
mov eax, esi
mov ecx, 4
mov edx, dword [eax + ebp]
xor edx, dword [eax]
add eax, 4
dec ecx
mov dword [ebx + eax - 4], edx
jne 0x4fdd22
sub edi, 0x10
add ebx, 0x10
add ebp, 0x10
dec dword [esp + 0x10]
jne 0x4fdd00
mov ebx, dword [esp + 0x20]
test edi, edi
je 0x4fdd8b
mov eax, dword [esp + 0x24]
mov ebp, dword [esp + 0x28]
push eax
push esi
push ebp
call dword [esp + 0x40]
add esp, 0xc
mov edx, ebp
call fcn.004fdc50
mov ebp, dword [esp + 0x18]
mov ecx, dword [esp + 0x1c]
lea eax, [ebx + esi]
sub ebp, esi
sub ecx, esi
add ebx, edi
mov dl, byte [eax + ebp]
xor dl, byte [eax]
inc eax
dec edi
mov byte [eax + ecx - 1], dl
jne 0x4fdd72
mov eax, dword [esp + 0x30]
pop edi
pop esi
pop ebp
mov dword [eax], ebx
pop ebx
pop ecx
ret
mov ecx, dword [esp + 0x30]
pop edi
pop esi
pop ebp
mov dword [ecx], ebx
pop ebx
pop ecx
ret
Function at 0x4fddd0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.005b2630
mov eax, dword [esp + 0x20]
mov eax, dword [eax]
push ebx
push ebp
mov ebp, dword [esp + 0x18]
push esi
push edi
mov dword [esp + 0x10], eax
test eax, eax
je 0x4fde1c
test ebp, ebp
je 0x4fde1c
mov ecx, dword [esp + 0x2c]
mov dl, byte [eax + ecx]
mov esi, dword [esp + 0x18]
xor dl, byte [esi]
mov ecx, dword [esp + 0x1c]
mov byte [ecx], dl
inc ecx
inc esi
inc eax
dec ebp
and eax, 0xf
mov dword [esp + 0x1c], ecx
mov dword [esp + 0x18], esi
mov dword [esp + 0x10], eax
jne 0x4fddf0
mov esi, dword [esp + 0x28]
movzx ebx, byte [esi + 0xc]
movzx ecx, byte [esi + 0xd]
movzx edx, byte [esi + 0xe]
shl ebx, 8
or ebx, ecx
movzx ecx, byte [esi + 0xf]
shl ebx, 8
or ebx, edx
shl ebx, 8
or ebx, ecx
cmp ebp, 0x10
jb 0x4fdebc
mov edi, ebp
shr edi, 4
add ebx, edi
cmp ebx, edi
jae 0x4fde53
sub edi, ebx
xor ebx, ebx
mov edx, dword [esp + 0x24]
mov eax, dword [esp + 0x1c]
mov ecx, dword [esp + 0x18]
push esi
push edx
push edi
push eax
push ecx
call dword [esp + 0x48]
mov edx, ebx
mov eax, ebx
mov ecx, ebx
shr edx, 0x18
shr eax, 0x10
shr ecx, 8
add esp, 0x14
mov byte [esi + 0xc], dl
mov byte [esi + 0xd], al
mov byte [esi + 0xe], cl
mov byte [esi + 0xf], bl
test ebx, ebx
jne 0x4fdea6
mov eax, 0xc
mov ecx, 1
movzx edx, byte [eax + esi - 1]
dec eax
add ecx, edx
mov byte [eax + esi], cl
shr ecx, 8
test eax, eax
jne 0x4fde94
shl edi, 4
add dword [esp + 0x1c], edi
add dword [esp + 0x18], edi
sub ebp, edi
cmp ebp, 0x10
jae 0x4fde44
mov eax, dword [esp + 0x10]
test ebp, ebp
je 0x4fdf39
mov edi, dword [esp + 0x2c]
xor eax, eax
mov dword [edi], eax
mov dword [edi + 4], eax
mov dword [edi + 8], eax
push esi
mov dword [edi + 0xc], eax
mov eax, dword [esp + 0x28]
push eax
push 1
push edi
push edi
call dword [esp + 0x48]
inc ebx
mov ecx, ebx
mov edx, ebx
mov eax, ebx
shr ecx, 0x18
shr edx, 0x10
shr eax, 8
add esp, 0x14
mov byte [esi + 0xc], cl
mov byte [esi + 0xd], dl
mov byte [esi + 0xe], al
mov byte [esi + 0xf], bl
test ebx, ebx
jne 0x4fdf09
mov edx, esi
call fcn.004fdda0
mov edx, dword [esp + 0x10]
mov ecx, dword [esp + 0x18]
mov esi, dword [esp + 0x1c]
lea eax, [edx + edi]
sub ecx, edi
sub esi, edi
add edx, ebp
mov edi, edi
mov bl, byte [ecx + eax]
xor bl, byte [eax]
inc eax
dec ebp
mov byte [esi + eax - 1], bl
jne 0x4fdf20
mov ecx, dword [esp + 0x30]
pop edi
pop esi
pop ebp
mov dword [ecx], edx
pop ebx
pop ecx
ret
mov edx, dword [esp + 0x30]
pop edi
pop esi
pop ebp
mov dword [edx], eax
pop ebx
pop ecx
ret
Function at 0x4ffcb0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 8
call fcn.005b2630
push ebx
xor eax, eax
push ebp
mov ebp, dword [esp + 0x1c]
push esi
mov esi, dword [esp + 0x18]
mov dword [esi + 0x30], eax
mov dword [esi + 0x34], eax
mov dword [esi + 0x38], eax
mov dword [esi + 0x3c], eax
mov dword [esi + 0x16c], eax
mov dword [esi + 0x168], eax
cmp ebp, 0xc
jne 0x4ffd07
mov ecx, dword [esp + 0x1c]
mov edx, dword [ecx]
mov dword [esi], edx
mov edx, dword [ecx + 4]
mov dword [esi + 4], edx
mov ecx, dword [ecx + 8]
mov dword [esi + 8], ecx
mov dword [esi + 0xc], 0x1000000
lea ebx, [eax + 1]
jmp 0x4ffe44
push edi
lea edi, [esi + 0x40]
mov ebx, ebp
mov dword [esp + 0x10], ebx
mov dword [esp + 0x14], eax
mov dword [edi], eax
mov dword [edi + 4], eax
mov dword [esi + 0x48], eax
mov dword [esi + 0x4c], eax
cmp ebp, 0x10
jb 0x4ffd84
mov eax, ebp
shr eax, 4
mov dword [esp + 0x1c], eax
mov edi, edi
mov ecx, dword [esp + 0x20]
lea eax, [esi + 0x41]
inc ecx
mov edx, 4
lea ecx, [ecx]
movzx ebx, byte [ecx - 1]
xor byte [eax - 1], bl
movzx ebx, byte [ecx]
xor byte [eax], bl
movzx ebx, byte [ecx + 1]
xor byte [eax + 1], bl
movzx ebx, byte [ecx + 2]
xor byte [eax + 2], bl
add ecx, 4
add eax, 4
dec edx
jne 0x4ffd40
lea eax, [esi + 0x60]
push eax
push edi
call fcn.004ff890
add dword [esp + 0x28], 0x10
add esp, 8
sub ebp, 0x10
dec dword [esp + 0x1c]
jne 0x4ffd30
mov ebx, dword [esp + 0x10]
xor eax, eax
cmp ebp, eax
je 0x4ffda8
jbe 0x4ffd9b
mov ecx, dword [esp + 0x20]
mov edi, edi
mov dl, byte [eax + ecx]
xor byte [edi + eax], dl
inc eax
cmp eax, ebp
jb 0x4ffd90
lea eax, [esi + 0x60]
push eax
push edi
call fcn.004ff890
add esp, 8
mov eax, dword [esp + 0x14]
shld eax, ebx, 3
mov edx, eax
shr edx, 0x18
xor byte [esi + 0x48], dl
mov edx, eax
shr edx, 0x10
xor byte [esi + 0x49], dl
add ebx, ebx
mov edx, eax
shr edx, 8
xor byte [esi + 0x4a], dl
add ebx, ebx
lea ecx, [ebx + ebx]
mov edx, eax
xor byte [esi + 0x4b], dl
xor byte [esi + 0x4f], cl
mov ebx, eax
mov edx, ecx
shrd edx, ebx, 0x18
xor byte [esi + 0x4c], dl
shr ebx, 0x18
mov ebx, eax
mov edx, ecx
shrd edx, ebx, 0x10
xor byte [esi + 0x4d], dl
mov edx, ecx
shrd edx, eax, 8
xor byte [esi + 0x4e], dl
shr eax, 8
lea eax, [esi + 0x60]
push eax
push edi
shr ebx, 0x10
call fcn.004ff890
movzx ebx, byte [esi + 0x4c]
movzx ecx, byte [esi + 0x4d]
movzx edx, byte [esi + 0x4e]
movzx eax, byte [esi + 0x4f]
shl ebx, 8
or ebx, ecx
mov ecx, dword [edi]
shl ebx, 8
or ebx, edx
mov edx, dword [edi + 4]
shl ebx, 8
or ebx, eax
mov eax, dword [esi + 0x48]
add esp, 8
mov dword [esi], ecx
mov ecx, dword [esi + 0x4c]
mov dword [esi + 8], eax
mov dword [esi + 4], edx
mov dword [esi + 0xc], ecx
xor eax, eax
pop edi
mov edx, dword [esi + 0x174]
mov ecx, dword [esi + 0x170]
mov dword [esi + 0x40], eax
mov dword [esi + 0x44], eax
mov dword [esi + 0x48], eax
mov dword [esi + 0x4c], eax
push edx
lea eax, [esi + 0x20]
push eax
push esi
call ecx
inc ebx
add esp, 0xc
mov edx, ebx
mov eax, ebx
mov ecx, ebx
shr edx, 0x18
shr eax, 0x10
shr ecx, 8
mov byte [esi + 0xf], bl
mov byte [esi + 0xc], dl
mov byte [esi + 0xd], al
mov byte [esi + 0xe], cl
pop esi
pop ebp
pop ebx
add esp, 8
ret
Function at 0x4ffe90
Capabilities:
Encode data using xor

Disassembly:
push esi
mov esi, dword [esp + 8]
mov eax, dword [esi + 0x38]
or eax, dword [esi + 0x3c]
je 0x4ffea4
mov eax, 0xfffffffe
pop esi
ret
push ebx
mov ebx, dword [esp + 0x14]
xor eax, eax
mov ecx, ebx
add ecx, dword [esi + 0x30]
adc eax, dword [esi + 0x34]
cmp eax, 0x20000000
ja 0x4fff59
jb 0x4ffec8
test ecx, ecx
jne 0x4fff59
push ebp
mov ebp, dword [esp + 0x14]
push edi
mov edi, dword [esi + 0x16c]
mov dword [esi + 0x30], ecx
mov dword [esi + 0x34], eax
test edi, edi
je 0x4fff09
mov edi, edi
test ebx, ebx
je 0x4ffef5
mov cl, byte [ebp]
xor byte [edi + esi + 0x40], cl
inc edi
inc ebp
dec ebx
and edi, 0xf
jne 0x4ffee0
jmp 0x4ffef9
test edi, edi
jne 0x4fff4c
lea edx, [esi + 0x60]
push edx
lea eax, [esi + 0x40]
push eax
call fcn.004ff890
add esp, 8
mov eax, ebx
and eax, 0xfffffff0
mov dword [esp + 0x14], eax
je 0x4fff2f
push eax
lea ecx, [esi + 0x60]
push ecx
lea edx, [esi + 0x40]
push edx
mov ecx, ebp
call fcn.004ffa00
mov eax, dword [esp + 0x20]
add esp, 0xc
add ebp, eax
sub ebx, eax
test ebx, ebx
je 0x4fff4c
xor eax, eax
mov edi, ebx
test ebx, ebx
je 0x4fff4c
jmp 0x4fff40
mov cl, byte [eax + ebp]
xor byte [esi + eax + 0x40], cl
inc eax
cmp eax, ebx
jb 0x4fff40
mov dword [esi + 0x16c], edi
pop edi
pop ebp
pop ebx
xor eax, eax
pop esi
ret
pop ebx
or eax, 0xffffffff
pop esi
ret
Function at 0x501730
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x30
call fcn.005b2630
mov eax, dword [0x644a10]
xor eax, esp
mov dword [esp + 0x2c], eax
mov eax, dword [esp + 0x38]
mov ecx, dword [esp + 0x3c]
mov edx, dword [esp + 0x44]
push ebx
push ebp
push esi
mov esi, dword [esp + 0x40]
mov bl, byte [esi]
mov dword [esp + 0x18], eax
mov eax, dword [esi + 0x28]
mov dword [esp + 0x14], ecx
mov ecx, dword [esi + 0x2c]
mov dword [esp + 0x20], edx
mov byte [esp + 0xf], bl
mov dword [esp + 0x1c], eax
mov dword [esp + 0x10], ecx
test bl, 0x40
jne 0x501788
push ecx
lea ecx, [esi + 0x10]
push ecx
push esi
call eax
add esp, 0xc
movzx eax, bl
and eax, 7
mov ebx, 0xf
sub ebx, eax
mov byte [esi], al
mov eax, ebx
xor ecx, ecx
mov dword [esp + 0x24], ebx
cmp eax, 0xf
jae 0x5017b7
movzx edx, byte [esi + eax]
or ecx, edx
mov byte [esi + eax], 0
inc eax
shl ecx, 8
cmp eax, 0xf
jb 0x5017a4
movzx eax, byte [esi + 0xf]
mov ebp, dword [esp + 0x4c]
or ecx, eax
mov byte [esi + 0xf], 1
cmp ecx, ebp
je 0x5017de
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
mov ecx, dword [esp + 0x2c]
xor ecx, esp
call fcn.005b2129
add esp, 0x30
ret
push edi
mov edi, ebp
shr edi, 4
test edi, edi
je 0x50181f
mov edx, dword [esp + 0x14]
mov eax, dword [esp + 0x18]
lea ecx, [esi + 0x10]
push ecx
mov ecx, dword [esp + 0x20]
push esi
push edx
push edi
push eax
push ecx
call dword [esp + 0x3c]
shl edi, 4
mov edx, edi
add dword [esp + 0x34], edx
add dword [esp + 0x30], edx
add esp, 0x18
sub ebp, edx
je 0x501887
shr edx, 4
mov ecx, esi
call fcn.005014f0
test ebp, ebp
je 0x501887
mov edx, dword [esp + 0x14]
push edx
lea eax, [esp + 0x30]
push eax
push esi
call dword [esp + 0x2c]
add esp, 0xc
xor eax, eax
test ebp, ebp
je 0x501876
mov edi, dword [esp + 0x1c]
lea ecx, [esp + 0x2c]
sub edi, ecx
mov ecx, dword [esp + 0x18]
lea edx, [esp + 0x2c]
sub ecx, edx
mov dword [esp + 0x24], ecx
movzx ebx, byte [esp + eax + 0x2c]
lea ecx, [esp + eax + 0x2c]
movzx edx, byte [edi + ecx]
xor edx, ebx
mov ebx, dword [esp + 0x24]
mov byte [ebx + ecx], dl
xor byte [esi + eax + 0x10], dl
inc eax
cmp eax, ebp
jb 0x501853
mov ebx, dword [esp + 0x28]
mov ecx, dword [esp + 0x14]
lea eax, [esi + 0x10]
push ecx
push eax
push eax
call dword [esp + 0x2c]
add esp, 0xc
pop edi
cmp ebx, 0x10
jae 0x5018a3
mov edx, 0x10
sub edx, ebx
push edx
lea eax, [esi + ebx]
push 0
push eax
call sub.MSVCR100.dll_memset
add esp, 0xc
mov eax, dword [esp + 0x10]
push eax
lea ecx, [esp + 0x2c]
push ecx
push esi
call dword [esp + 0x28]
mov eax, dword [esp + 0x38]
mov edx, dword [esp + 0x34]
xor dword [esi + 0x14], eax
xor dword [esi + 0x10], edx
mov ecx, dword [esp + 0x3c]
xor dword [esi + 0x18], ecx
mov al, byte [esp + 0x1b]
mov edx, dword [esp + 0x40]
xor dword [esi + 0x1c], edx
mov ecx, dword [esp + 0x44]
add esp, 0xc
mov byte [esi], al
pop esi
pop ebp
pop ebx
xor ecx, esp
xor eax, eax
call fcn.005b2129
add esp, 0x30
ret