joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4813a0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov edx, dword [esp + 4]
push ebx
mov ebx, dword [esp + 0x10]
mov ecx, ebx
push ebp
mov ebp, dword [esp + 0x10]
push esi
mov esi, ebp
push edi
sub ecx, 4
jb 0x4813d1
nop dword [eax]
mov eax, dword [edx]
cmp eax, dword [esi]
jne 0x4813d8
add edx, 4
add esi, 4
sub ecx, 4
jae 0x4813c0
xor edi, edi
cmp ecx, 0xfffffffc
je 0x481413
movzx edi, byte [edx]
movzx eax, byte [esi]
sub edi, eax
jne 0x481413
cmp ecx, 0xfffffffd
je 0x481413
movzx edi, byte [edx + 1]
movzx eax, byte [esi + 1]
sub edi, eax
jne 0x481413
cmp ecx, 0xfffffffe
je 0x481413
movzx edi, byte [edx + 2]
movzx eax, byte [esi + 2]
sub edi, eax
jne 0x481413
cmp ecx, 0xffffffff
je 0x481413
movzx edi, byte [edx + 3]
movzx eax, byte [esi + 3]
sub edi, eax
test edi, edi
jle 0x48142e
push 0x157
push str.....openssl_1.1.0fcryptox509v3_v3_addr.c
push str.assertion_failed:_memcmp_min__max__length____0
call fcn.00465510
add esp, 0xc
mov edi, dword [esp + 0x14]
xor ecx, ecx
test ebx, ebx
jle 0x48144d
mov esi, edi
mov edx, ebp
sub esi, ebp
nop
mov al, byte [esi + edx]
cmp al, byte [edx]
jne 0x48144d
inc ecx
inc edx
cmp ecx, ebx
jl 0x481440
lea edx, [ebx - 1]
test edx, edx
js 0x481471
mov esi, edi
lea eax, [edx + ebp]
sub esi, ebp
nop dword [eax + eax]
cmp byte [eax + esi], 0
jne 0x481471
cmp byte [eax], 0xff
jne 0x481471
dec eax
sub edx, 1
jns 0x481460
cmp ecx, edx
jl case.0x48149d.2
jle 0x481483
pop edi
pop esi
pop ebp
lea eax, [ecx*8]
pop ebx
ret
mov bl, byte [ecx + ebp]
mov dh, byte [ecx + edi]
mov dl, bl
xor dl, dh
movzx eax, dl
dec eax
cmp eax, 0x7e
ja case.0x48149d.2
movzx eax, byte [eax + 0x481510]
jmp dword [eax*4 + 0x4814f0]
mov eax, 7
jmp 0x4814d3
mov eax, 6
jmp 0x4814d3
mov eax, 5
jmp 0x4814d3
mov eax, 4
jmp 0x4814d3
mov eax, 3
jmp 0x4814d3
mov eax, 2
jmp 0x4814d3
mov eax, 1
test dl, dh
jne case.0x48149d.2
and bl, dl
cmp bl, dl
jne case.0x48149d.2
pop edi
pop esi
pop ebp
lea eax, [eax + ecx*8]
pop ebx
ret
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
ret
Function at 0x496670
Capabilities:
Send data
Send data on socket

Disassembly:
push esi
push edi
push 0
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov edi, dword [esp + 0xc]
push 0
push dword [esp + 0x18]
push dword [esp + 0x18]
push dword [edi + 0x1c]
call dword [sym.imp.WS2_32.dll_send]
push 0xf
push edi
mov esi, eax
call fcn.0044e620
add esp, 8
test esi, esi
jg 0x4966c7
je 0x4966a9
cmp esi, 0xffffffff
jne 0x4966c7
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.004968c0
add esp, 4
test eax, eax
je 0x4966c7
push 0xa
push edi
call fcn.0044ed80
add esp, 8
pop edi
mov eax, esi
pop esi
ret

Function at 0x49b2a0
Capabilities:
Encrypt data using curve25519

Disassembly:
push ebx
mov ebx, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x14]
cmp ebx, 2
je 0x49b2fc
mov eax, dword [esp + 0x10]
test eax, eax
je 0x49b2ed
push eax
push 0
lea eax, [esp + 0x24]
push eax
push 0
call fcn.0047b5e0
add esp, 0x10
cmp dword [esp + 0x1c], 0xffffffff
je 0x49b2ed
push 0x2f
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x66
push 0x10a
push 0x10
call fcn.0045b870
add esp, 0x14
xor eax, eax
pop edi
pop ebx
ret
test edi, edi
je 0x49b2f8
cmp dword [esp + 0x18], 0x20
je 0x49b2fc
push 0x35
jmp 0x49b2d2
push esi
push 0x3a
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x24
call fcn.0044def0
mov esi, eax
add esp, 0xc
test esi, esi
jne 0x49b332
push 0x3c
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x41
push 0x10a
push 0x10
call fcn.0045b870
add esp, 0x14
xor eax, eax
pop esi
pop edi
pop ebx
ret
test ebx, ebx
jne 0x49b349
push dword [esp + 0x1c]
push edi
push esi
call fcn.0051ce30
add esp, 0xc
jmp 0x49b3f5
push 0x43
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x20
call fcn.004658e0
add esp, 0xc
mov dword [esi + 0x20], eax
test eax, eax
jne 0x49b38c
push 0x45
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x41
push 0x10a
push 0x10
call fcn.0045b870
push 0x46
push str.....openssl_1.1.0fcryptoececx_meth.c
push esi
call fcn.0044dcb0
add esp, 0x20
xor eax, eax
pop esi
pop edi
pop ebx
ret
cmp ebx, 2
jne 0x49b3db
push 0x20
push eax
call fcn.00459830
add esp, 8
test eax, eax
jg 0x49b3c5
push 0x4b
push str.....openssl_1.1.0fcryptoececx_meth.c
push dword [esi + 0x20]
call fcn.004658d0
push 0x4c
push str.....openssl_1.1.0fcryptoececx_meth.c
push esi
call fcn.0044dcb0
add esp, 0x18
xor eax, eax
pop esi
pop edi
pop ebx
ret
mov eax, dword [esi + 0x20]
and byte [eax], 0xf8
mov eax, dword [esi + 0x20]
and byte [eax + 0x1f], 0x7f
mov eax, dword [esi + 0x20]
or byte [eax + 0x1f], 0x40
jmp 0x49b3e9
movups xmm0, xmmword [edi]
movups xmmword [eax], xmm0
movups xmm0, xmmword [edi + 0x10]
movups xmmword [eax + 0x10], xmm0
push dword [esi + 0x20]
push esi
call fcn.004ba7a0
add esp, 8
push esi
push 0x40a
push dword [esp + 0x18]
call fcn.004549d0
add esp, 0xc
mov eax, 1
pop esi
pop edi
pop ebx
ret
Function at 0x49d100
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.00519970
push esi
mov esi, dword [esp + 0xc]
push esi
call fcn.00452340
add esp, 4
cmp eax, 0x72
jne 0x49d25d
mov esi, dword [esp + 0x20]
mov eax, dword [esp + 0x14]
push ebp
push edi
mov edi, dword [esp + 0x2c]
mov ebp, eax
push edi
push esi
push dword [esp + 0x2c]
and eax, 1
shr ebp, 1
push dword [esp + 0x2c]
add eax, ebp
push eax
push dword [esp + 0x2c]
mov dword [esp + 0x24], eax
call fcn.004825b0
push eax
call fcn.0049ce90
add esp, 0x1c
test eax, eax
jne 0x49d162
pop edi
pop ebp
pop esi
pop ecx
ret
push ebx
push 0xf8
push str.....openssl_1.1.0fcryptokdf_tls1_prf.c
push edi
call fcn.0044dc80
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x49d1b7
mov eax, dword [esp + 0x1c]
push edi
push ebx
push dword [esp + 0x30]
add eax, ebp
push dword [esp + 0x30]
push dword [esp + 0x20]
push eax
call fcn.00454980
push eax
call fcn.0049ce90
add esp, 0x1c
test eax, eax
jne 0x49d1bf
push 0xfd
push str.....openssl_1.1.0fcryptokdf_tls1_prf.c
push edi
push ebx
call fcn.0044dd80
add esp, 0x10
pop ebx
pop edi
pop ebp
xor eax, eax
pop esi
pop ecx
ret
xor edx, edx
test edi, edi
je 0x49d23e
cmp edi, 0x20
jb 0x49d21b
lea eax, [edi - 1]
lea ecx, [esi - 1]
add eax, ebx
add ecx, edi
cmp esi, eax
ja 0x49d1dc
cmp ecx, ebx
jae 0x49d21b
mov ecx, edi
mov ebp, ebx
and ecx, 0xffffffe0
mov eax, esi
sub ebp, esi
nop word [eax + eax]
movups xmm0, xmmword [eax]
lea eax, [eax + 0x20]
movups xmm1, xmmword [eax + ebp - 0x20]
pxor xmm1, xmm0
movups xmmword [eax - 0x20], xmm1
movups xmm1, xmmword [ebx + edx + 0x10]
add edx, 0x20
movups xmm0, xmmword [eax - 0x10]
pxor xmm1, xmm0
movups xmmword [eax - 0x10], xmm1
cmp edx, ecx
jb 0x49d1f0
cmp edx, edi
jae 0x49d23e
mov ebp, ebx
lea ecx, [edx + esi]
sub ebp, esi
mov esi, edi
sub esi, edx
nop word [eax + eax]
mov al, byte [ecx + ebp]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
sub esi, 1
jne 0x49d230
push 0x102
push str.....openssl_1.1.0fcryptokdf_tls1_prf.c
push edi
push ebx
call fcn.0044dd80
add esp, 0x10
mov eax, 1
pop ebx
pop edi
pop ebp
pop esi
pop ecx
ret
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push esi
call fcn.0049ce90
add esp, 0x1c
neg eax
sbb eax, eax
neg eax
pop esi
pop ecx
ret
Function at 0x4ae300
Capabilities:
Encode data using base64

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0x14]
xor ebx, ebx
test esi, esi
jle 0x4ae3ec
mov edx, dword [esp + 0xc]
push edi
mov edi, dword [esp + 0x14]
inc edi
nop word [eax + eax]
cmp esi, 3
jl 0x4ae37d
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 + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx], al
mov eax, ecx
shr eax, 0xc
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx + 1], al
mov eax, ecx
shr eax, 6
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx + 2], al
add edx, 3
and ecx, 0x3f
movzx eax, byte [ecx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx], al
jmp 0x4ae3d1
movzx eax, byte [edi - 1]
shl eax, 0x10
cmp esi, 2
jne 0x4ae391
movzx ecx, byte [edi]
shl ecx, 8
or eax, ecx
mov ecx, eax
shr ecx, 0x12
movzx ecx, byte [ecx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx], cl
mov ecx, eax
shr ecx, 0xc
and ecx, 0x3f
movzx ecx, byte [ecx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx + 1], cl
cmp esi, 1
jne 0x4ae3bb
lea eax, [esi + 0x3c]
jmp 0x4ae3c8
shr eax, 6
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
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 0x4ae320
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 0x4ae810
Capabilities:
Generate random numbers via winapi
Get memory capacity

Disassembly:
mov eax, 0x6c
call fcn.00519970
mov eax, dword [0x5c6a7c]
xor eax, esp
mov dword [esp + 0x68], eax
push 0xf0000040
push 1
push 0
push 0
lea eax, [esp + 0x10]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x4ae886
lea eax, [esp + 0x28]
push eax
push 0x40
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
test eax, eax
je 0x4ae87a
mov eax, 8
call fcn.00519970
movsd xmm0, qword [0x587138]
lea eax, [esp + 0x30]
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.004597f0
add esp, 0x10
push 0
push dword [esp + 4]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
push 0xf0000040
push 0x16
push str.Intel_Hardware_Cryptographic_Service_Provider
push 0
lea eax, [esp + 0x10]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x4ae8ea
lea eax, [esp + 0x28]
push eax
push 0x40
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
test eax, eax
je 0x4ae8de
mov eax, 8
call fcn.00519970
movsd xmm0, qword [0x587138]
lea eax, [esp + 0x30]
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.004597f0
add esp, 0x10
push 0
push dword [esp + 4]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
call fcn.004ae970
lea eax, [esp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_GlobalMemoryStatus]
mov eax, 8
call fcn.00519970
movsd xmm0, qword [0x562ff8]
lea eax, [esp + 0x10]
movsd qword [esp], xmm0
push 0x20
push eax
call fcn.004597f0
add esp, 0x10
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
mov dword [esp + 4], eax
mov eax, 8
call fcn.00519970
movsd xmm0, qword [0x562ff8]
lea eax, [esp + 0xc]
movsd qword [esp], xmm0
push 4
push eax
call fcn.004597f0
mov ecx, dword [esp + 0x78]
add esp, 0x10
xor ecx, esp
mov eax, 1
call fcn.00519168
add esp, 0x6c
ret
Function at 0x4af530
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x8c
call fcn.00519970
mov eax, dword [0x5c6a7c]
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 0x4af596
cmp edi, dword [esi]
je 0x4af58d
test ebp, ebp
je 0x4af610
test ebx, ebx
js 0x4af610
mov eax, 1
mov dword [esi], edi
jmp 0x4af59c
mov edi, dword [esi]
test edi, edi
je 0x4af610
test ebp, ebp
je 0x4af72a
push edi
call fcn.00457eb0
add esp, 4
mov dword [esp + 0x14], eax
cmp eax, 0x80
jle 0x4af5d0
push 0x28
push str.....openssl_1.1.0fcryptohmachmac.c
push str.assertion_failed:_j____int_sizeof_ctx__key_
call fcn.00465510
mov eax, dword [esp + 0x20]
add esp, 0xc
cmp eax, ebx
jge 0x4af62b
push dword [esp + 0x10]
push edi
push dword [esi + 4]
call fcn.00454290
add esp, 0xc
test eax, eax
je 0x4af610
push ebx
push ebp
push dword [esi + 4]
call fcn.00454440
add esp, 0xc
test eax, eax
je 0x4af610
lea ebp, [esi + 0x10]
push ebp
lea eax, [esi + 0x14]
push eax
push dword [esi + 4]
call fcn.004541f0
add esp, 0xc
test eax, eax
jne 0x4af647
xor eax, eax
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00519168
add esp, 0x8c
ret
cmp ebx, 0x80
ja 0x4af610
push ebx
lea eax, [esi + 0x14]
push ebp
push eax
call fcn.0051ce30
lea ebp, [esi + 0x10]
add esp, 0xc
mov dword [ebp], ebx
mov ecx, dword [ebp]
cmp ecx, 0x80
je 0x4af66a
mov eax, 0x80
sub eax, ecx
push eax
lea eax, [esi + 0x14]
add eax, ecx
push 0
push eax
call fcn.0051cb90
add esp, 0xc
mov edx, dword [esp + 0x10]
xor ecx, ecx
mov al, byte [esi + ecx + 0x14]
xor al, 0x36
mov byte [esp + ecx + 0x18], al
inc ecx
cmp ecx, 0x80
jl 0x4af670
push edx
push edi
push dword [esi + 8]
call fcn.00454290
add esp, 0xc
test eax, eax
je 0x4af610
push edi
call fcn.00457eb0
push eax
lea eax, [esp + 0x20]
push eax
push dword [esi + 8]
call fcn.00454440
add esp, 0x10
test eax, eax
je 0x4af610
xor ecx, ecx
nop dword [eax]
mov al, byte [esi + ecx + 0x14]
xor al, 0x5c
mov byte [esp + ecx + 0x18], al
inc ecx
cmp ecx, 0x80
jl 0x4af6c0
push dword [esp + 0x10]
push edi
push dword [esi + 0xc]
call fcn.00454290
add esp, 0xc
test eax, eax
je 0x4af610
push edi
call fcn.00457eb0
push eax
lea eax, [esp + 0x20]
push eax
push dword [esi + 0xc]
call fcn.00454440
add esp, 0x10
test eax, eax
je 0x4af610
push dword [esi + 8]
push dword [esi + 4]
call fcn.00454470
add esp, 8
test eax, eax
je 0x4af610
mov eax, 1
jmp 0x4af612
test eax, eax
je 0x4af70a
jmp 0x4af66e
Function at 0x4ba7a0
Capabilities:
Encrypt data using curve25519

Disassembly:
mov eax, 0x11c
call fcn.00519970
mov eax, dword [0x5c6a7c]
xor eax, esp
mov dword [esp + 0x118], eax
mov eax, dword [esp + 0x124]
push esi
mov esi, dword [esp + 0x124]
movups xmm0, xmmword [eax]
movups xmm1, xmmword [eax + 0x10]
movd eax, xmm0
movups xmmword [esp + 0xdc], xmm1
and al, 0xf8
psrldq xmm1, 0xc
movups xmmword [esp + 0xcc], xmm0
mov byte [esp + 0xcc], al
movd eax, xmm1
shr eax, 0x18
and al, 0x3f
or al, 0x40
mov byte [esp + 0xeb], al
lea eax, [esp + 0xcc]
push eax
lea eax, [esp + 0x30]
push eax
call fcn.004bd270
mov ecx, dword [esp + 0x5c]
mov edx, dword [esp + 0x84]
lea eax, [ecx + edx]
sub edx, ecx
mov ecx, dword [esp + 0x60]
mov dword [esp + 0xfc], edx
mov edx, dword [esp + 0x88]
mov dword [esp + 0xd4], eax
lea eax, [edx + ecx]
sub edx, ecx
mov ecx, dword [esp + 0x64]
mov dword [esp + 0x100], edx
mov edx, dword [esp + 0x8c]
mov dword [esp + 0xd8], eax
lea eax, [edx + ecx]
sub edx, ecx
mov ecx, dword [esp + 0x68]
mov dword [esp + 0x104], edx
mov edx, dword [esp + 0x90]
mov dword [esp + 0xdc], eax
lea eax, [edx + ecx]
sub edx, ecx
mov ecx, dword [esp + 0x6c]
mov dword [esp + 0x108], edx
mov edx, dword [esp + 0x94]
mov dword [esp + 0xe0], eax
lea eax, [edx + ecx]
sub edx, ecx
mov ecx, dword [esp + 0x70]
mov dword [esp + 0x10c], edx
mov edx, dword [esp + 0x98]
mov dword [esp + 0xe4], eax
lea eax, [edx + ecx]
sub edx, ecx
mov ecx, dword [esp + 0x74]
mov dword [esp + 0x110], edx
mov edx, dword [esp + 0x9c]
mov dword [esp + 0xe8], eax
lea eax, [edx + ecx]
sub edx, ecx
mov ecx, dword [esp + 0x78]
mov dword [esp + 0x114], edx
mov edx, dword [esp + 0xa0]
mov dword [esp + 0xec], eax
lea eax, [edx + ecx]
sub edx, ecx
mov ecx, dword [esp + 0x7c]
mov dword [esp + 0x118], edx
mov edx, dword [esp + 0xa4]
mov dword [esp + 0xf0], eax
lea eax, [edx + ecx]
sub edx, ecx
mov ecx, dword [esp + 0x80]
mov dword [esp + 0x11c], edx
mov edx, dword [esp + 0xa8]
mov dword [esp + 0xf4], eax
lea eax, [edx + ecx]
sub edx, ecx
mov dword [esp + 0xf8], eax
mov dword [esp + 0x120], edx
lea eax, [esp + 0xfc]
push eax
lea eax, [esp + 0x10]
push eax
call fcn.004baf40
lea eax, [esp + 0x14]
push eax
lea eax, [esp + 0xe0]
push eax
push eax
call fcn.004bb1c0
lea eax, [esp + 0xe8]
push eax
push esi
call fcn.004bca20
mov ecx, dword [esp + 0x140]
add esp, 0x24
pop esi
xor ecx, esp
call fcn.00519168
add esp, 0x11c
ret
Function at 0x4cf4d0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov eax, 0x2c
call fcn.00519970
mov eax, dword [0x5c6a7c]
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 0x4cf695
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 0x4cf625
push dword [esp + 0x20]
lea eax, [esp + 0x18]
push eax
call fcn.004ceee0
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 0x4cf5c0
test ebp, ebp
mov ebp, dword [esp + 0x24]
je 0x4cf67c
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.00519168
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.00519168
add esp, 0x2c
ret
Function at 0x4d31c0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 8
call fcn.00519970
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 0x4d320d
mov edx, dword [esp + 0x30]
test esi, esi
je 0x4d320d
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 0x4d31f0
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 0x4d32c7
mov edi, ebx
nop
mov ebx, esi
shr ebx, 4
add edx, ebx
mov dword [esp + 0x24], edx
cmp edx, ebx
jae 0x4d3257
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 0x4d32a9
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 0x4d3293
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 0x4d3240
mov edi, dword [esp + 0x14]
mov ebx, dword [esp + 0x2c]
test esi, esi
je 0x4d3335
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 0x4d3312
push ebx
call fcn.004d3380
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 0x4d3323
mov eax, dword [esp + 0x34]
mov dword [eax], edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
Function at 0x4d3990
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 8]
mov eax, dword [ebx + 0x38]
or eax, dword [ebx + 0x3c]
je 0x4d39a4
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 0x4d3a59
jb 0x4d39c9
test eax, eax
jne 0x4d3a59
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 0x4d3a09
nop
test esi, esi
je 0x4d39f5
mov al, byte [ebp]
dec esi
xor byte [edi + ebx + 0x40], al
inc ebp
inc edi
and edi, 0xf
jne 0x4d39e0
jmp 0x4d39f9
test edi, edi
jne 0x4d3a4c
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.004d4cb0
add esp, 8
mov eax, esi
and eax, 0xfffffff0
mov dword [esp + 0x14], eax
je 0x4d3a2e
push eax
push ebp
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.004d4a70
add ebp, dword [esp + 0x24]
add esp, 0x10
sub esi, dword [esp + 0x14]
test esi, esi
je 0x4d3a4c
xor ecx, ecx
mov edi, esi
test esi, esi
je 0x4d3a4c
nop word [eax + eax]
mov al, byte [ecx + ebp]
xor byte [ebx + ecx + 0x40], al
inc ecx
cmp ecx, esi
jb 0x4d3a40
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