joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4a4b20
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 0x14]
cmp dword [esp + 0x18], esi
jne 0x4a4be9
mov ecx, dword [esp + 0x10]
mov al, byte [ecx]
cmp al, 0x6a
je 0x4a4b41
cmp al, 0x6b
jne 0x4a4be9
inc ecx
cmp al, 0x6b
jne 0x4a4bab
add esi, 0xfffffffd
xor eax, eax
test esi, esi
jle 0x4a4b62
nop
mov dl, byte [ecx]
inc ecx
cmp dl, 0xba
je 0x4a4b62
cmp dl, 0xbb
jne 0x4a4b8b
inc eax
cmp eax, esi
jl 0x4a4b50
sub esi, eax
test eax, eax
jne 0x4a4bae
push 0x83
push str..crypto_rsa_rsa_x931.c
push 0x8a
push 0x80
push 4
call fcn.00456250
add esp, 0x14
or eax, 0xffffffff
pop esi
ret
push 0x7b
push str..crypto_rsa_rsa_x931.c
push 0x8a
push 0x80
push 4
call fcn.00456250
add esp, 0x14
or eax, 0xffffffff
pop esi
ret
add esi, 0xfffffffe
cmp byte [esi + ecx], 0xcc
je 0x4a4bd7
push 0x8b
push str..crypto_rsa_rsa_x931.c
push 0x8b
push 0x80
push 4
call fcn.00456250
add esp, 0x14
or eax, 0xffffffff
pop esi
ret
push esi
push ecx
push dword [esp + 0x10]
call fcn.005303a0
add esp, 0xc
mov eax, esi
pop esi
ret
push 0x70
push str..crypto_rsa_rsa_x931.c
push 0x89
push 0x80
push 4
call fcn.00456250
add esp, 0x14
or eax, 0xffffffff
pop esi
ret
Function at 0x4acfa0
Capabilities:
Encode data using base64

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0x14]
xor ebx, ebx
test esi, esi
jle 0x4ad08c
mov edx, dword [esp + 0xc]
push edi
mov edi, dword [esp + 0x14]
inc edi
nop word [eax + eax]
cmp esi, 3
jl 0x4ad01d
movzx ecx, byte [edi - 1]
movzx eax, byte [edi]
shl ecx, 8
or ecx, eax
movzx eax, byte [edi + 1]
shl ecx, 8
or ecx, eax
mov eax, ecx
shr eax, 0x12
movzx eax, byte [eax + 0x589948]
mov byte [edx], al
mov eax, ecx
shr eax, 0xc
and eax, 0x3f
movzx eax, byte [eax + 0x589948]
mov byte [edx + 1], al
mov eax, ecx
shr eax, 6
and eax, 0x3f
movzx eax, byte [eax + 0x589948]
mov byte [edx + 2], al
add edx, 3
and ecx, 0x3f
movzx eax, byte [ecx + 0x589948]
mov byte [edx], al
jmp 0x4ad071
movzx eax, byte [edi - 1]
shl eax, 0x10
cmp esi, 2
jne 0x4ad031
movzx ecx, byte [edi]
shl ecx, 8
or eax, ecx
mov ecx, eax
shr ecx, 0x12
movzx ecx, byte [ecx + 0x589948]
mov byte [edx], cl
mov ecx, eax
shr ecx, 0xc
and ecx, 0x3f
movzx ecx, byte [ecx + 0x589948]
mov byte [edx + 1], cl
cmp esi, 1
jne 0x4ad05b
lea eax, [esi + 0x3c]
jmp 0x4ad068
shr eax, 6
and eax, 0x3f
movzx eax, byte [eax + 0x589948]
mov byte [edx + 2], al
add edx, 3
mov byte [edx], 0x3d
sub esi, 3
add ebx, 4
add edi, 3
inc edx
test esi, esi
jg 0x4acfc0
pop edi
pop esi
mov eax, ebx
mov byte [edx], 0
pop ebx
ret
mov eax, dword [esp + 0xc]
pop esi
mov byte [eax], bl
mov eax, ebx
pop ebx
ret
Function at 0x4b0740
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x8c
call fcn.0052efe0
mov eax, dword [0x5cb218]
xor eax, esp
mov dword [esp + 0x88], eax
mov edx, dword [esp + 0xa0]
xor eax, eax
push ebx
mov ebx, dword [esp + 0x9c]
push ebp
mov ebp, dword [esp + 0x9c]
push esi
mov esi, dword [esp + 0x9c]
push edi
mov edi, dword [esp + 0xac]
mov dword [esp + 0x10], edx
test edi, edi
je 0x4b07a6
cmp edi, dword [esi]
je 0x4b079d
test ebp, ebp
je 0x4b0820
test ebx, ebx
js 0x4b0820
mov eax, 1
mov dword [esi], edi
jmp 0x4b07ac
mov edi, dword [esi]
test edi, edi
je 0x4b0820
test ebp, ebp
je 0x4b093b
push edi
call fcn.00462580
add esp, 4
mov dword [esp + 0x14], eax
cmp eax, 0x80
jle 0x4b07e0
push str.j____int_sizeof_ctx__key_
push 0x74
push str..cryptohmachmac.c
call fcn.0045e5b0
mov eax, dword [esp + 0x20]
add esp, 0xc
cmp eax, ebx
jge 0x4b083b
push dword [esp + 0x10]
lea eax, [esi + 4]
push edi
push eax
call fcn.0044f3e0
add esp, 0xc
test eax, eax
je 0x4b0820
push ebx
push ebp
lea ebx, [esi + 4]
push ebx
call fcn.0044f590
add esp, 0xc
test eax, eax
je 0x4b0820
lea ebp, [esi + 0x4c]
push ebp
lea eax, [esi + 0x50]
push eax
push ebx
call fcn.0044f340
add esp, 0xc
test eax, eax
jne 0x4b0857
xor eax, eax
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0052e4fa
add esp, 0x8c
ret
cmp ebx, 0x80
ja 0x4b0820
push ebx
lea eax, [esi + 0x50]
push ebp
push eax
call fcn.005303a0
lea ebp, [esi + 0x4c]
add esp, 0xc
mov dword [ebp], ebx
mov ecx, dword [ebp]
cmp ecx, 0x80
je 0x4b087a
mov eax, 0x80
sub eax, ecx
push eax
lea eax, [esi + 0x50]
add eax, ecx
push 0
push eax
call fcn.00530240
add esp, 0xc
mov edx, dword [esp + 0x10]
xor ecx, ecx
mov al, byte [esi + ecx + 0x50]
xor al, 0x36
mov byte [esp + ecx + 0x18], al
inc ecx
cmp ecx, 0x80
jl 0x4b0880
push edx
lea ebx, [esi + 0x1c]
push edi
push ebx
call fcn.0044f3e0
add esp, 0xc
test eax, eax
je 0x4b0820
push edi
call fcn.00462580
push eax
lea eax, [esp + 0x20]
push eax
push ebx
call fcn.0044f590
add esp, 0x10
test eax, eax
je 0x4b0820
xor ecx, ecx
nop dword [eax + eax]
mov al, byte [esi + ecx + 0x50]
xor al, 0x5c
mov byte [esp + ecx + 0x18], al
inc ecx
cmp ecx, 0x80
jl 0x4b08d0
push dword [esp + 0x10]
lea ebx, [esi + 0x34]
push edi
push ebx
call fcn.0044f3e0
add esp, 0xc
test eax, eax
je 0x4b0820
push edi
call fcn.00462580
push eax
lea eax, [esp + 0x20]
push eax
push ebx
call fcn.0044f590
add esp, 0x10
test eax, eax
je 0x4b0820
lea eax, [esi + 0x1c]
push eax
lea eax, [esi + 4]
push eax
call fcn.0044f660
add esp, 8
test eax, eax
je 0x4b0820
mov eax, 1
jmp 0x4b0822
test eax, eax
je 0x4b0919
jmp 0x4b087e
Function at 0x4b1c80
Capabilities:
Resolve function by parsing pe exports

Disassembly:
mov eax, 0x6c
call fcn.0052efe0
mov eax, dword [0x5cb218]
xor eax, esp
mov dword [esp + 0x68], eax
mov eax, dword [esp + 0x74]
push ebx
mov dword [esp + 0xc], eax
xor ebx, ebx
mov eax, dword [esp + 0x7c]
push ebp
mov ebp, dword [esp + 0x78]
push esi
mov dword [esp + 0x10], eax
xor esi, esi
mov dword [eax], ebx
lea eax, [esp + 0x1c]
push edi
mov edi, dword [esp + 0x8c]
push eax
call fcn.0044f800
lea eax, [esp + 0x24]
push ebp
push eax
call fcn.0044f660
add esp, 0xc
test eax, eax
je 0x4b1d82
lea eax, [esp + 0x1c]
push eax
lea eax, [esp + 0x3c]
push eax
lea eax, [esp + 0x28]
push eax
call fcn.0044f340
add esp, 0xc
test eax, eax
je 0x4b1d82
lea eax, [esp + 0x20]
push eax
call fcn.0044f5a0
mov esi, dword [ebp]
add esp, 4
test byte [esi + 0xc], 4
je 0x4b1da0
push edi
call fcn.00450150
push ebx
push edi
mov dword [esp + 0x1c], eax
call fcn.00462810
mov esi, eax
add esp, 0xc
test esi, esi
je 0x4b1d82
push esi
call fcn.004b8290
add esp, 4
test eax, eax
jle 0x4b1d82
push dword [ebp]
push ebx
push 1
push 0xf8
push 0xffffffffffffffff
push esi
call fcn.004625c0
add esp, 0x18
test eax, eax
jle 0x4b1d82
push dword [esp + 0x1c]
lea eax, [esp + 0x3c]
push eax
lea eax, [esp + 0x18]
push eax
push dword [esp + 0x24]
push esi
call fcn.004b81a0
add esp, 0x14
test eax, eax
jle 0x4b1d82
mov ecx, dword [esp + 0x14]
mov ebx, 1
mov eax, dword [esp + 0x10]
mov dword [ecx], eax
push esi
call fcn.004627b0
add esp, 4
mov eax, ebx
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x68]
xor ecx, esp
call fcn.0052e4fa
add esp, 0x6c
ret
xor eax, eax
lea ecx, [esi + 0x2c]
mov edx, dword [ecx]
test edx, edx
je 0x4b1db8
cmp dword [edi], edx
je 0x4b1de2
inc eax
add ecx, 4
cmp eax, 4
jl 0x4b1da5
push 0x7b
push str..cryptoevpp_sign.c
push 0x6e
push 0x6b
push 6
call fcn.00456250
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x68]
xor ecx, esp
call fcn.0052e4fa
add esp, 0x6c
ret
mov eax, dword [esi + 0x24]
test eax, eax
jne 0x4b1e16
push 0x80
push str..cryptoevpp_sign.c
push 0x68
push 0x6b
push 6
call fcn.00456250
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x68]
xor ecx, esp
call fcn.0052e4fa
add esp, 0x6c
ret
push dword [edi + 0x14]
mov ecx, dword [esp + 0x18]
push ecx
push dword [esp + 0x20]
lea ecx, [esp + 0x44]
push dword [esp + 0x28]
push ecx
push dword [esi]
call eax
mov ecx, dword [esp + 0x90]
add esp, 0x18
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0052e4fa
add esp, 0x6c
ret
Function at 0x4b33a0
Capabilities:
Encode data using xor
Encrypt data using aes
Reference aes constants

Disassembly:
jmp 0x4c4d90
push ebp
mov ebp, dword [esp + 0x10]
push ebp
push dword [esp + 0x10]
push dword [esp + 0x10]
call fcn.004c4f90
add esp, 0xc
test eax, eax
js 0x4c4f80
push ebx
push esi
push edi
mov edi, dword [ebp + 0xf0]
xor ebx, ebx
shl edi, 2
test edi, edi
jle 0x4c4e10
lea esi, [ebp + 8]
lea esi, [esi + edi*4]
lea eax, [ebp + 8]
nop dword [eax]
mov edx, dword [eax - 8]
lea eax, [eax + 0x10]
mov ecx, dword [esi - 8]
lea esi, [esi - 0x10]
mov dword [eax - 0x18], ecx
add ebx, 4
mov ecx, dword [esi + 0xc]
sub edi, 4
mov dword [esi + 8], edx
mov edx, dword [eax - 0x14]
mov dword [eax - 0x14], ecx
mov ecx, dword [esi + 0x10]
mov dword [esi + 0xc], edx
mov edx, dword [eax - 0x10]
mov dword [eax - 0x10], ecx
mov ecx, dword [esi + 0x14]
mov dword [esi + 0x10], edx
mov edx, dword [eax - 0xc]
mov dword [eax - 0xc], ecx
mov dword [esi + 0x14], edx
cmp ebx, edi
jl 0x4c4dd0
mov edi, 1
cmp dword [ebp + 0xf0], edi
jle 0x4c4f7b
lea esi, [ebp + 2]
mov edx, dword [esi + 0xe]
lea esi, [esi + 0x10]
mov eax, edx
inc edi
shr eax, 0x18
movzx ecx, byte [eax*4 + 0x58ffe8]
movzx eax, byte [esi - 1]
mov ecx, dword [ecx*4 + 0x590be8]
movzx eax, byte [eax*4 + 0x58ffe8]
xor ecx, dword [eax*4 + 0x5913e8]
movzx eax, byte [esi]
movzx eax, byte [eax*4 + 0x58ffe8]
xor ecx, dword [eax*4 + 0x590fe8]
movzx eax, dl
mov edx, dword [esi + 2]
movzx eax, byte [eax*4 + 0x58ffe8]
xor ecx, dword [eax*4 + 0x5917e8]
mov eax, edx
shr eax, 0x18
mov dword [esi - 2], ecx
movzx ecx, byte [eax*4 + 0x58ffe8]
movzx eax, byte [esi + 3]
mov ecx, dword [ecx*4 + 0x590be8]
movzx eax, byte [eax*4 + 0x58ffe8]
xor ecx, dword [eax*4 + 0x5913e8]
movzx eax, byte [esi + 4]
movzx eax, byte [eax*4 + 0x58ffe8]
xor ecx, dword [eax*4 + 0x590fe8]
movzx eax, dl
mov edx, dword [esi + 6]
movzx eax, byte [eax*4 + 0x58ffe8]
xor ecx, dword [eax*4 + 0x5917e8]
mov eax, edx
shr eax, 0x18
mov dword [esi + 2], ecx
movzx ecx, byte [eax*4 + 0x58ffe8]
movzx eax, byte [esi + 7]
mov ecx, dword [ecx*4 + 0x590be8]
movzx eax, byte [eax*4 + 0x58ffe8]
xor ecx, dword [eax*4 + 0x5913e8]
movzx eax, byte [esi + 8]
movzx eax, byte [eax*4 + 0x58ffe8]
xor ecx, dword [eax*4 + 0x590fe8]
movzx eax, dl
mov edx, dword [esi + 0xa]
movzx eax, byte [eax*4 + 0x58ffe8]
xor ecx, dword [eax*4 + 0x5917e8]
mov eax, edx
shr eax, 0x18
mov dword [esi + 6], ecx
movzx ecx, byte [eax*4 + 0x58ffe8]
movzx eax, byte [esi + 0xb]
mov ecx, dword [ecx*4 + 0x590be8]
movzx eax, byte [eax*4 + 0x58ffe8]
xor ecx, dword [eax*4 + 0x5913e8]
movzx eax, byte [esi + 0xc]
movzx eax, byte [eax*4 + 0x58ffe8]
xor ecx, dword [eax*4 + 0x590fe8]
movzx eax, dl
movzx eax, byte [eax*4 + 0x58ffe8]
xor ecx, dword [eax*4 + 0x5917e8]
mov dword [esi + 0xa], ecx
cmp edi, dword [ebp + 0xf0]
jl 0x4c4e24
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret
Function at 0x4b9860
Capabilities:
Encode data using xor

Disassembly:
push edi
mov edi, dword [esp + 8]
cmp dword [edi + 0x10c], 0xffffffff
jne 0x4b9872
xor eax, eax
pop edi
ret
push ebp
push esi
push edi
call fcn.00452c90
mov ecx, dword [esp + 0x1c]
add esp, 4
mov ebp, dword [esp + 0x14]
mov esi, eax
mov dword [ecx], esi
test ebp, ebp
je 0x4b9935
mov ecx, dword [edi + 0x10c]
push ebx
cmp ecx, esi
jne 0x4b98c6
test esi, esi
jle 0x4b9914
mov edx, ebp
lea ecx, [edi + 0x8c]
mov ebx, esi
nop word [eax + eax]
mov al, byte [ecx + 0x60]
lea ecx, [ecx + 1]
xor al, byte [ecx - 1]
lea edx, [edx + 1]
mov byte [edx - 1], al
sub ebx, 1
jne 0x4b98b0
jmp 0x4b9914
sub eax, ecx
mov byte [ecx + edi + 0xec], 0x80
cmp eax, 1
jle 0x4b98ea
dec eax
push eax
lea eax, [edi + 0xed]
add eax, ecx
push 0
push eax
call fcn.00530240
add esp, 0xc
test esi, esi
jle 0x4b9914
mov edx, ebp
lea ecx, [edi + 0xac]
mov ebx, esi
nop dword [eax + eax]
mov al, byte [ecx + 0x40]
lea ecx, [ecx + 1]
xor al, byte [ecx - 1]
lea edx, [edx + 1]
mov byte [edx - 1], al
sub ebx, 1
jne 0x4b9900
push esi
push ebp
push ebp
push edi
call fcn.00462540
add esp, 0x10
pop ebx
test eax, eax
jne 0x4b9935
push esi
push ebp
call fcn.0045d1d0
add esp, 8
xor eax, eax
pop esi
pop ebp
pop edi
ret
pop esi
pop ebp
mov eax, 1
pop edi
ret
Function at 0x4bc860
Capabilities:
Resolve function by parsing pe exports

Disassembly:
mov eax, 0x70
call fcn.0052efe0
mov eax, dword [0x5cb218]
xor eax, esp
mov dword [esp + 0x6c], eax
cmp dword [esp + 0x88], 0x40000000
mov eax, dword [esp + 0x7c]
mov dword [esp + 8], eax
mov eax, dword [esp + 0x84]
push ebp
mov ebp, dword [esp + 0x78]
mov dword [esp + 0x14], eax
mov eax, dword [esp + 0x90]
push esi
mov dword [esp + 0xc], eax
mov dword [esp + 0x14], 0
ja 0x4bca37
mov esi, dword [esp + 0x80]
cmp esi, 0x40000000
ja 0x4bca37
cmp dword [esp + 0x88], 0x40000000
ja 0x4bca37
push ebx
push edi
push eax
call fcn.00462590
mov edi, eax
lea eax, [esp + 0x28]
push eax
call fcn.0044f800
push 0
push dword [esp + 0x20]
lea eax, [esp + 0x34]
mov ebx, 1
push eax
call fcn.0044f3e0
push dword [esp + 0xa4]
lea eax, [esp + 0x3c]
mov dword [esp + 0x28], 0x1000000
push dword [esp + 0x30]
push eax
call fcn.0044f590
add esp, 0x20
test eax, eax
je 0x4bca13
push 4
lea eax, [esp + 0x14]
push eax
lea eax, [esp + 0x2c]
push eax
call fcn.0044f590
add esp, 0xc
test eax, eax
je 0x4bca13
push dword [esp + 0x98]
lea eax, [esp + 0x28]
push dword [esp + 0x24]
push eax
call fcn.0044f590
add esp, 0xc
test eax, eax
je 0x4bca13
push 0
cmp esi, edi
jb 0x4bc9db
lea eax, [esp + 0x28]
push ebp
push eax
call fcn.0044f310
add esp, 0xc
test eax, eax
je 0x4bca13
sub esi, edi
je 0x4bca0b
push 0
push dword [esp + 0x18]
lea eax, [esp + 0x2c]
add ebp, edi
push eax
inc ebx
call fcn.0044f3e0
push dword [esp + 0x9c]
mov eax, ebx
mov byte [esp + 0x23], bl
push dword [esp + 0x28]
shr eax, 8
mov byte [esp + 0x26], al
mov eax, ebx
shr eax, 0x10
mov byte [esp + 0x25], al
mov eax, ebx
shr eax, 0x18
mov byte [esp + 0x24], al
lea eax, [esp + 0x38]
push eax
call fcn.0044f590
add esp, 0x18
test eax, eax
jne 0x4bc927
jmp 0x4bca13
lea eax, [esp + 0x40]
push eax
lea eax, [esp + 0x2c]
push eax
call fcn.0044f310
add esp, 0xc
test eax, eax
je 0x4bca13
push esi
lea eax, [esp + 0x40]
push eax
push ebp
call fcn.005303a0
lea eax, [esp + 0x48]
push edi
push eax
call fcn.0045d1d0
add esp, 0x14
mov dword [esp + 0x1c], 1
lea eax, [esp + 0x24]
push eax
call fcn.0044f5a0
mov eax, dword [esp + 0x20]
add esp, 4
pop edi
pop ebx
pop esi
pop ebp
mov ecx, dword [esp + 0x6c]
xor ecx, esp
call fcn.0052e4fa
add esp, 0x70
ret
mov ecx, dword [esp + 0x74]
xor eax, eax
pop esi
pop ebp
xor ecx, esp
call fcn.0052e4fa
add esp, 0x70
ret
Function at 0x4bffd0
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
mov eax, dword [esp + 0x10]
mov edx, 0x400
push ebx
push ebp
mov ebp, dword [esp + 0xc]
push esi
push edi
mov edi, 0x80
mov esi, edx
mov ecx, edi
mov byte [ebp], 0
cmp dword [esp + 0x18], ecx
cmovle ecx, dword [esp + 0x18]
test eax, eax
cmovg esi, eax
cmp esi, edx
cmovg esi, edx
mov dword [esp + 0x14], esi
test ecx, ecx
jle 0x4c0025
mov ebx, dword [esp + 0x1c]
mov edx, ebp
sub ebx, ebp
mov esi, ecx
mov al, byte [ebx + edx]
lea edx, [edx + 1]
mov byte [edx - 1], al
sub esi, 1
jne 0x4c0013
mov esi, dword [esp + 0x14]
movzx ebx, byte [ecx + ebp - 1]
cmp ecx, edi
jge 0x4c004a
mov edx, ebp
movzx eax, byte [edx]
lea edx, [edx + 1]
add eax, ebx
movzx eax, al
movzx ebx, byte [eax + 0x58ca18]
mov byte [ecx + ebp], bl
inc ecx
cmp ecx, edi
jl 0x4c0030
mov ecx, dword [esp + 0x14]
lea ebx, [esi + 7]
sar ebx, 3
neg ecx
sub edi, ebx
and ecx, 7
movzx eax, byte [edi + ebp]
lea esi, [edi + ebp]
mov edx, 0xff
sar edx, cl
and edx, eax
movzx ecx, byte [edx + 0x58ca18]
mov byte [esi], cl
test edi, edi
je 0x4c0098
nop dword [eax + eax]
movzx eax, byte [esi + ebx - 1]
lea esi, [esi - 1]
xor eax, ecx
movzx ecx, byte [eax + 0x58ca18]
mov byte [esi], cl
sub edi, 1
jne 0x4c0080
lea esi, [ebp + 0xfc]
mov edi, 0x40
lea edx, [ebp + 0x7e]
movzx ecx, byte [edx + 1]
lea esi, [esi - 4]
movzx eax, byte [edx]
lea edx, [edx - 2]
shl ecx, 8
or ecx, eax
mov dword [esi + 4], ecx
sub edi, 1
jne 0x4c00a6
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x4c1d40
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov eax, 0x2c
call fcn.0052efe0
mov eax, dword [0x5cb218]
xor eax, esp
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x34]
mov dword [esp], eax
mov eax, dword [esp + 0x3c]
mov dword [esp + 0x10], eax
mov eax, dword [esp + 0x40]
mov dword [esp + 0x18], eax
push ebx
push ebp
movzx ebx, byte [eax]
lea ebp, [eax + 1]
mov edx, ebp
shl ebx, 0x18
push esi
push edi
mov edi, dword [esp + 0x54]
movzx eax, byte [edx]
movzx ecx, byte [edx + 3]
shl eax, 0x10
or ebx, eax
shl ecx, 0x18
movzx eax, byte [edx + 1]
shl eax, 8
or ebx, eax
mov esi, dword [edi]
movzx eax, byte [edx + 2]
or ebx, eax
mov dword [esp + 0x1c], edi
movzx eax, byte [edx + 4]
shl eax, 0x10
or ecx, eax
mov dword [esp + 0x24], ebp
movzx eax, byte [edx + 6]
mov dword [esp + 0x14], ecx
movzx ecx, byte [edx + 5]
mov edx, dword [esp + 0x14]
shl ecx, 8
or ecx, eax
mov dword [esp + 0x14], ebx
mov eax, ebx
mov byte [esp + 0x2f], bl
shr eax, 0x18
or edx, ecx
mov byte [esp + 0x2c], al
mov eax, ebx
shr eax, 0x10
mov byte [esp + 0x2d], al
mov eax, ebx
shr eax, 8
mov byte [esp + 0x2e], al
mov eax, edx
shr eax, 0x18
mov byte [esp + 0x30], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 0x31], al
mov eax, edx
shr eax, 8
mov byte [esp + 0x32], al
mov eax, dword [esp + 0x48]
mov dword [esp + 0x18], edx
mov byte [esp + 0x33], dl
test eax, eax
je 0x4c1f05
mov ecx, dword [esp + 0x10]
mov edi, dword [esp + 0x40]
sub ecx, edi
mov dword [esp + 0x10], ecx
xor ebp, ebp
nop dword [eax]
dec eax
mov dword [esp + 0x48], eax
test esi, esi
jne 0x4c1e95
push dword [esp + 0x20]
lea eax, [esp + 0x18]
push eax
call fcn.004c1750
mov ebx, dword [esp + 0x1c]
add esp, 8
mov edx, dword [esp + 0x18]
mov eax, ebx
shr eax, 0x18
mov byte [esp + 0x2c], al
mov eax, ebx
mov ecx, dword [esp + 0x10]
shr eax, 0x10
mov byte [esp + 0x2d], al
mov eax, ebx
shr eax, 8
mov byte [esp + 0x2e], al
mov eax, edx
shr eax, 0x18
mov byte [esp + 0x30], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 0x31], al
mov eax, edx
shr eax, 8
inc ebp
mov byte [esp + 0x2f], bl
mov byte [esp + 0x32], al
mov byte [esp + 0x33], dl
mov al, byte [esp + esi + 0x2c]
inc esi
xor al, byte [edi]
and esi, 7
mov byte [ecx + edi], al
inc edi
mov eax, dword [esp + 0x48]
test eax, eax
jne 0x4c1e30
test ebp, ebp
mov ebp, dword [esp + 0x24]
je 0x4c1eec
mov ecx, dword [esp + 0x28]
mov eax, ebx
shr eax, 0x18
mov byte [ecx], al
mov eax, ebx
shr eax, 0x10
mov byte [ebp], al
mov eax, ebx
shr eax, 8
mov byte [ebp + 1], al
mov eax, edx
shr eax, 0x18
mov byte [ebp + 2], bl
mov byte [ebp + 3], al
mov eax, edx
shr eax, 0x10
mov byte [ebp + 4], al
mov eax, edx
shr eax, 8
mov byte [ebp + 5], al
mov byte [ebp + 6], dl
mov eax, dword [esp + 0x1c]
pop edi
mov dword [eax], esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x28]
xor ecx, esp
call fcn.0052e4fa
add esp, 0x2c
ret
mov ecx, dword [esp + 0x38]
mov dword [edi], esi
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0052e4fa
add esp, 0x2c
ret
Function at 0x4c5a10
Capabilities:
Encode data using xor

Disassembly:
mov eax, 8
call fcn.0052efe0
mov ecx, dword [esp + 0xc]
push ebx
push ebp
mov ebp, dword [esp + 0x18]
push esi
mov esi, dword [esp + 0x20]
push edi
mov edi, dword [esp + 0x34]
mov dword [esp + 0x10], ecx
mov edi, dword [edi]
mov dword [esp + 0x14], edi
test edi, edi
je 0x4c5a5d
mov edx, dword [esp + 0x30]
test esi, esi
je 0x4c5a5d
mov al, byte [edi + edx]
dec esi
xor al, byte [ecx]
inc edi
mov byte [ebp], al
inc ecx
inc ebp
mov dword [esp + 0x10], ecx
and edi, 0xf
mov dword [esp + 0x14], edi
jne 0x4c5a40
mov ebx, dword [esp + 0x2c]
movzx edx, byte [ebx + 0xc]
movzx eax, byte [ebx + 0xd]
shl edx, 8
or edx, eax
movzx eax, byte [ebx + 0xe]
shl edx, 8
or edx, eax
movzx eax, byte [ebx + 0xf]
shl edx, 8
or edx, eax
mov dword [esp + 0x24], edx
cmp esi, 0x10
jb 0x4c5b17
mov edi, ebx
nop
mov ebx, esi
shr ebx, 4
add edx, ebx
mov dword [esp + 0x24], edx
cmp edx, ebx
jae 0x4c5aa7
sub ebx, edx
xor edx, edx
mov dword [esp + 0x24], edx
push edi
push dword [esp + 0x2c]
push ebx
push ebp
push ecx
call dword [esp + 0x4c]
mov edx, dword [esp + 0x38]
add esp, 0x14
mov eax, edx
mov byte [edi + 0xf], dl
shr eax, 0x18
mov byte [edi + 0xc], al
mov eax, edx
shr eax, 0x10
mov byte [edi + 0xd], al
mov eax, edx
shr eax, 8
mov byte [edi + 0xe], al
test edx, edx
jne 0x4c5af9
mov edx, 0xc
mov ecx, 1
movzx eax, byte [edx + edi - 1]
dec edx
add ecx, eax
mov byte [edx + edi], cl
shr ecx, 8
test edx, edx
jne 0x4c5ae3
mov edx, dword [esp + 0x24]
mov ecx, dword [esp + 0x10]
shl ebx, 4
sub esi, ebx
add ecx, ebx
add ebp, ebx
mov dword [esp + 0x10], ecx
cmp esi, 0x10
jae 0x4c5a90
mov edi, dword [esp + 0x14]
mov ebx, dword [esp + 0x2c]
test esi, esi
je 0x4c5b85
mov eax, dword [esp + 0x30]
xorps xmm0, xmm0
push ebx
push dword [esp + 0x2c]
push 1
push eax
push eax
movups xmmword [eax], xmm0
call dword [esp + 0x4c]
mov ecx, dword [esp + 0x38]
add esp, 0x14
inc ecx
mov eax, ecx
mov byte [ebx + 0xf], cl
shr eax, 0x18
mov byte [ebx + 0xc], al
mov eax, ecx
shr eax, 0x10
mov byte [ebx + 0xd], al
mov eax, ecx
shr eax, 8
mov byte [ebx + 0xe], al
test ecx, ecx
jne 0x4c5b62
push ebx
call fcn.004c5bd0
add esp, 4
mov eax, dword [esp + 0x30]
sub ebp, eax
mov edx, dword [esp + 0x10]
sub edx, eax
lea ecx, [edi + eax]
add edi, esi
mov al, byte [edx + ecx]
lea ecx, [ecx + 1]
xor al, byte [ecx - 1]
mov byte [ecx + ebp - 1], al
sub esi, 1
jne 0x4c5b73
mov eax, dword [esp + 0x34]
mov dword [eax], edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
Function at 0x4c61e0
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 8]
mov eax, dword [ebx + 0x38]
or eax, dword [ebx + 0x3c]
je 0x4c61f4
mov eax, 0xfffffffe
pop ebx
ret
push esi
mov esi, dword [esp + 0x14]
xor ecx, ecx
mov eax, esi
add eax, dword [ebx + 0x30]
adc ecx, dword [ebx + 0x34]
cmp ecx, 0x20000000
ja 0x4c62a9
jb 0x4c6219
test eax, eax
jne 0x4c62a9
push ebp
mov ebp, dword [esp + 0x14]
push edi
mov edi, dword [ebx + 0x16c]
mov dword [ebx + 0x30], eax
mov dword [ebx + 0x34], ecx
test edi, edi
je 0x4c6259
nop
test esi, esi
je 0x4c6245
mov al, byte [ebp]
dec esi
xor byte [edi + ebx + 0x40], al
inc ebp
inc edi
and edi, 0xf
jne 0x4c6230
jmp 0x4c6249
test edi, edi
jne 0x4c629c
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.004c7500
add esp, 8
mov eax, esi
and eax, 0xfffffff0
mov dword [esp + 0x14], eax
je 0x4c627e
push eax
push ebp
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.004c72c0
add ebp, dword [esp + 0x24]
add esp, 0x10
sub esi, dword [esp + 0x14]
test esi, esi
je 0x4c629c
xor ecx, ecx
mov edi, esi
test esi, esi
je 0x4c629c
nop word [eax + eax]
mov al, byte [ecx + ebp]
xor byte [ebx + ecx + 0x40], al
inc ecx
cmp ecx, esi
jb 0x4c6290
mov dword [ebx + 0x16c], edi
xor eax, eax
pop edi
pop ebp
pop esi
pop ebx
ret
pop esi
or eax, 0xffffffff
pop ebx
ret