joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4810d0
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 0x481101
nop dword [eax]
mov eax, dword [edx]
cmp eax, dword [esi]
jne 0x481108
add edx, 4
add esi, 4
sub ecx, 4
jae 0x4810f0
xor edi, edi
cmp ecx, 0xfffffffc
je 0x481143
movzx edi, byte [edx]
movzx eax, byte [esi]
sub edi, eax
jne 0x481143
cmp ecx, 0xfffffffd
je 0x481143
movzx edi, byte [edx + 1]
movzx eax, byte [esi + 1]
sub edi, eax
jne 0x481143
cmp ecx, 0xfffffffe
je 0x481143
movzx edi, byte [edx + 2]
movzx eax, byte [esi + 2]
sub edi, eax
jne 0x481143
cmp ecx, 0xffffffff
je 0x481143
movzx edi, byte [edx + 3]
movzx eax, byte [esi + 3]
sub edi, eax
test edi, edi
jle 0x48115e
push 0x157
push str.....openssl_1.1.0fcryptox509v3_v3_addr.c
push str.assertion_failed:_memcmp_min__max__length____0
call fcn.00465240
add esp, 0xc
mov edi, dword [esp + 0x14]
xor ecx, ecx
test ebx, ebx
jle 0x48117d
mov esi, edi
mov edx, ebp
sub esi, ebp
nop
mov al, byte [esi + edx]
cmp al, byte [edx]
jne 0x48117d
inc ecx
inc edx
cmp ecx, ebx
jl 0x481170
lea edx, [ebx - 1]
test edx, edx
js 0x4811a1
mov esi, edi
lea eax, [edx + ebp]
sub esi, ebp
nop dword [eax + eax]
cmp byte [eax + esi], 0
jne 0x4811a1
cmp byte [eax], 0xff
jne 0x4811a1
dec eax
sub edx, 1
jns 0x481190
cmp ecx, edx
jl case.0x4811cd.2
jle 0x4811b3
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.0x4811cd.2
movzx eax, byte [eax + 0x481240]
jmp dword [eax*4 + 0x481220]
mov eax, 7
jmp 0x481203
mov eax, 6
jmp 0x481203
mov eax, 5
jmp 0x481203
mov eax, 4
jmp 0x481203
mov eax, 3
jmp 0x481203
mov eax, 2
jmp 0x481203
mov eax, 1
test dl, dh
jne case.0x4811cd.2
and bl, dl
cmp bl, dl
jne case.0x4811cd.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 0x496390
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.0044e350
add esp, 8
test esi, esi
jg 0x4963e7
je 0x4963c9
cmp esi, 0xffffffff
jne 0x4963e7
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.004965e0
add esp, 4
test eax, eax
je 0x4963e7
push 0xa
push edi
call fcn.0044eab0
add esp, 8
pop edi
mov eax, esi
pop esi
ret

Function at 0x49afc0
Capabilities:
Encrypt data using curve25519

Disassembly:
push ebx
mov ebx, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x14]
cmp ebx, 2
je 0x49b01c
mov eax, dword [esp + 0x10]
test eax, eax
je 0x49b00d
push eax
push 0
lea eax, [esp + 0x24]
push eax
push 0
call fcn.0047b310
add esp, 0x10
cmp dword [esp + 0x1c], 0xffffffff
je 0x49b00d
push 0x2f
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x66
push 0x10a
push 0x10
call fcn.0045b5a0
add esp, 0x14
xor eax, eax
pop edi
pop ebx
ret
test edi, edi
je 0x49b018
cmp dword [esp + 0x18], 0x20
je 0x49b01c
push 0x35
jmp 0x49aff2
push esi
push 0x3a
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x24
call fcn.0044dc20
mov esi, eax
add esp, 0xc
test esi, esi
jne 0x49b052
push 0x3c
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x41
push 0x10a
push 0x10
call fcn.0045b5a0
add esp, 0x14
xor eax, eax
pop esi
pop edi
pop ebx
ret
test ebx, ebx
jne 0x49b069
push dword [esp + 0x1c]
push edi
push esi
call fcn.0051cb60
add esp, 0xc
jmp 0x49b115
push 0x43
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x20
call fcn.00465610
add esp, 0xc
mov dword [esi + 0x20], eax
test eax, eax
jne 0x49b0ac
push 0x45
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x41
push 0x10a
push 0x10
call fcn.0045b5a0
push 0x46
push str.....openssl_1.1.0fcryptoececx_meth.c
push esi
call fcn.0044d9e0
add esp, 0x20
xor eax, eax
pop esi
pop edi
pop ebx
ret
cmp ebx, 2
jne 0x49b0fb
push 0x20
push eax
call fcn.00459560
add esp, 8
test eax, eax
jg 0x49b0e5
push 0x4b
push str.....openssl_1.1.0fcryptoececx_meth.c
push dword [esi + 0x20]
call fcn.00465600
push 0x4c
push str.....openssl_1.1.0fcryptoececx_meth.c
push esi
call fcn.0044d9e0
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 0x49b109
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.004ba500
add esp, 8
push esi
push 0x40a
push dword [esp + 0x18]
call fcn.00454700
add esp, 0xc
mov eax, 1
pop esi
pop edi
pop ebx
ret
Function at 0x49ce30
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.005196a0
push esi
mov esi, dword [esp + 0xc]
push esi
call fcn.00452070
add esp, 4
cmp eax, 0x72
jne 0x49cf8d
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.004822e0
push eax
call fcn.0049cbc0
add esp, 0x1c
test eax, eax
jne 0x49ce92
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.0044d9b0
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x49cee7
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.004546b0
push eax
call fcn.0049cbc0
add esp, 0x1c
test eax, eax
jne 0x49ceef
push 0xfd
push str.....openssl_1.1.0fcryptokdf_tls1_prf.c
push edi
push ebx
call fcn.0044dab0
add esp, 0x10
pop ebx
pop edi
pop ebp
xor eax, eax
pop esi
pop ecx
ret
xor edx, edx
test edi, edi
je 0x49cf6e
cmp edi, 0x20
jb 0x49cf4b
lea eax, [edi - 1]
lea ecx, [esi - 1]
add eax, ebx
add ecx, edi
cmp esi, eax
ja 0x49cf0c
cmp ecx, ebx
jae 0x49cf4b
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 0x49cf20
cmp edx, edi
jae 0x49cf6e
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 0x49cf60
push 0x102
push str.....openssl_1.1.0fcryptokdf_tls1_prf.c
push edi
push ebx
call fcn.0044dab0
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.0049cbc0
add esp, 0x1c
neg eax
sbb eax, eax
neg eax
pop esi
pop ecx
ret
Function at 0x4ae060
Capabilities:
Encode data using base64

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0x14]
xor ebx, ebx
test esi, esi
jle 0x4ae14c
mov edx, dword [esp + 0xc]
push edi
mov edi, dword [esp + 0x14]
inc edi
nop word [eax + eax]
cmp esi, 3
jl 0x4ae0dd
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 0x4ae131
movzx eax, byte [edi - 1]
shl eax, 0x10
cmp esi, 2
jne 0x4ae0f1
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 0x4ae11b
lea eax, [esi + 0x3c]
jmp 0x4ae128
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 0x4ae080
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 0x4ae570
Capabilities:
Generate random numbers via winapi
Get memory capacity

Disassembly:
mov eax, 0x6c
call fcn.005196a0
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 0x4ae5e6
lea eax, [esp + 0x28]
push eax
push 0x40
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
test eax, eax
je 0x4ae5da
mov eax, 8
call fcn.005196a0
movsd xmm0, qword [0x587128]
lea eax, [esp + 0x30]
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.00459520
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 0x4ae64a
lea eax, [esp + 0x28]
push eax
push 0x40
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
test eax, eax
je 0x4ae63e
mov eax, 8
call fcn.005196a0
movsd xmm0, qword [0x587128]
lea eax, [esp + 0x30]
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.00459520
add esp, 0x10
push 0
push dword [esp + 4]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
call fcn.004ae6d0
lea eax, [esp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_GlobalMemoryStatus]
mov eax, 8
call fcn.005196a0
movsd xmm0, qword [0x562fe8]
lea eax, [esp + 0x10]
movsd qword [esp], xmm0
push 0x20
push eax
call fcn.00459520
add esp, 0x10
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
mov dword [esp + 4], eax
mov eax, 8
call fcn.005196a0
movsd xmm0, qword [0x562fe8]
lea eax, [esp + 0xc]
movsd qword [esp], xmm0
push 4
push eax
call fcn.00459520
mov ecx, dword [esp + 0x78]
add esp, 0x10
xor ecx, esp
mov eax, 1
call fcn.00518e98
add esp, 0x6c
ret
Function at 0x4af290
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x8c
call fcn.005196a0
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 0x4af2f6
cmp edi, dword [esi]
je 0x4af2ed
test ebp, ebp
je 0x4af370
test ebx, ebx
js 0x4af370
mov eax, 1
mov dword [esi], edi
jmp 0x4af2fc
mov edi, dword [esi]
test edi, edi
je 0x4af370
test ebp, ebp
je 0x4af48a
push edi
call fcn.00457be0
add esp, 4
mov dword [esp + 0x14], eax
cmp eax, 0x80
jle 0x4af330
push 0x28
push str.....openssl_1.1.0fcryptohmachmac.c
push str.assertion_failed:_j____int_sizeof_ctx__key_
call fcn.00465240
mov eax, dword [esp + 0x20]
add esp, 0xc
cmp eax, ebx
jge 0x4af38b
push dword [esp + 0x10]
push edi
push dword [esi + 4]
call fcn.00453fc0
add esp, 0xc
test eax, eax
je 0x4af370
push ebx
push ebp
push dword [esi + 4]
call fcn.00454170
add esp, 0xc
test eax, eax
je 0x4af370
lea ebp, [esi + 0x10]
push ebp
lea eax, [esi + 0x14]
push eax
push dword [esi + 4]
call fcn.00453f20
add esp, 0xc
test eax, eax
jne 0x4af3a7
xor eax, eax
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00518e98
add esp, 0x8c
ret
cmp ebx, 0x80
ja 0x4af370
push ebx
lea eax, [esi + 0x14]
push ebp
push eax
call fcn.0051cb60
lea ebp, [esi + 0x10]
add esp, 0xc
mov dword [ebp], ebx
mov ecx, dword [ebp]
cmp ecx, 0x80
je 0x4af3ca
mov eax, 0x80
sub eax, ecx
push eax
lea eax, [esi + 0x14]
add eax, ecx
push 0
push eax
call fcn.0051c8c0
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 0x4af3d0
push edx
push edi
push dword [esi + 8]
call fcn.00453fc0
add esp, 0xc
test eax, eax
je 0x4af370
push edi
call fcn.00457be0
push eax
lea eax, [esp + 0x20]
push eax
push dword [esi + 8]
call fcn.00454170
add esp, 0x10
test eax, eax
je 0x4af370
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 0x4af420
push dword [esp + 0x10]
push edi
push dword [esi + 0xc]
call fcn.00453fc0
add esp, 0xc
test eax, eax
je 0x4af370
push edi
call fcn.00457be0
push eax
lea eax, [esp + 0x20]
push eax
push dword [esi + 0xc]
call fcn.00454170
add esp, 0x10
test eax, eax
je 0x4af370
push dword [esi + 8]
push dword [esi + 4]
call fcn.004541a0
add esp, 8
test eax, eax
je 0x4af370
mov eax, 1
jmp 0x4af372
test eax, eax
je 0x4af46a
jmp 0x4af3ce
Function at 0x4ba500
Capabilities:
Encrypt data using curve25519

Disassembly:
mov eax, 0x11c
call fcn.005196a0
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.004bcfd0
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.004baca0
lea eax, [esp + 0x14]
push eax
lea eax, [esp + 0xe0]
push eax
push eax
call fcn.004baf20
lea eax, [esp + 0xe8]
push eax
push esi
call fcn.004bc780
mov ecx, dword [esp + 0x140]
add esp, 0x24
pop esi
xor ecx, esp
call fcn.00518e98
add esp, 0x11c
ret
Function at 0x4cf230
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov eax, 0x2c
call fcn.005196a0
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 0x4cf3f5
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 0x4cf385
push dword [esp + 0x20]
lea eax, [esp + 0x18]
push eax
call fcn.004cec40
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 0x4cf320
test ebp, ebp
mov ebp, dword [esp + 0x24]
je 0x4cf3dc
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.00518e98
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.00518e98
add esp, 0x2c
ret
Function at 0x4d2f00
Capabilities:
Encode data using xor

Disassembly:
mov eax, 8
call fcn.005196a0
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 0x4d2f4d
mov edx, dword [esp + 0x30]
test esi, esi
je 0x4d2f4d
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 0x4d2f30
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 0x4d3007
mov edi, ebx
nop
mov ebx, esi
shr ebx, 4
add edx, ebx
mov dword [esp + 0x24], edx
cmp edx, ebx
jae 0x4d2f97
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 0x4d2fe9
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 0x4d2fd3
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 0x4d2f80
mov edi, dword [esp + 0x14]
mov ebx, dword [esp + 0x2c]
test esi, esi
je 0x4d3075
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 0x4d3052
push ebx
call fcn.004d30c0
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 0x4d3063
mov eax, dword [esp + 0x34]
mov dword [eax], edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
Function at 0x4d36d0
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 8]
mov eax, dword [ebx + 0x38]
or eax, dword [ebx + 0x3c]
je 0x4d36e4
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 0x4d3799
jb 0x4d3709
test eax, eax
jne 0x4d3799
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 0x4d3749
nop
test esi, esi
je 0x4d3735
mov al, byte [ebp]
dec esi
xor byte [edi + ebx + 0x40], al
inc ebp
inc edi
and edi, 0xf
jne 0x4d3720
jmp 0x4d3739
test edi, edi
jne 0x4d378c
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.004d49f0
add esp, 8
mov eax, esi
and eax, 0xfffffff0
mov dword [esp + 0x14], eax
je 0x4d376e
push eax
push ebp
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.004d47b0
add ebp, dword [esp + 0x24]
add esp, 0x10
sub esi, dword [esp + 0x14]
test esi, esi
je 0x4d378c
xor ecx, ecx
mov edi, esi
test esi, esi
je 0x4d378c
nop word [eax + eax]
mov al, byte [ecx + ebp]
xor byte [ebx + ecx + 0x40], al
inc ecx
cmp ecx, esi
jb 0x4d3780
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