joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4b2010
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x20
call fcn.005c7560
mov eax, dword [0x697bc0]
xor eax, esp
mov dword [esp + 0x1c], eax
mov ecx, dword [esp + 0x2c]
mov edx, dword [esp + 0x34]
mov eax, dword [esp + 0x24]
push ebx
mov ebx, dword [esp + 0x2c]
dec ebx
push edi
mov edi, dword [esp + 0x38]
mov dword [esp + 8], ecx
lea ecx, [ebx - 0x29]
mov dword [esp + 0xc], edx
cmp edi, ecx
jle 0x4b2073
push 0x2c
push str..crypto_rsa_rsa_oaep.c
push 0x6e
push 0x79
push 4
call fcn.004082b0
add esp, 0x14
pop edi
xor eax, eax
pop ebx
mov ecx, dword [esp + 0x1c]
xor ecx, esp
call fcn.005c6c09
add esp, 0x20
ret
cmp ebx, 0x29
jge 0x4b20a0
push 0x31
push str..crypto_rsa_rsa_oaep.c
push 0x78
push 0x79
push 4
call fcn.004082b0
add esp, 0x14
pop edi
xor eax, eax
pop ebx
mov ecx, dword [esp + 0x1c]
xor ecx, esp
call fcn.005c6c09
add esp, 0x20
ret
push ebp
push esi
push 0
mov byte [eax], 0
lea esi, [eax + 1]
lea ebp, [eax + 0x15]
call fcn.00464130
mov edx, dword [esp + 0x4c]
push eax
mov eax, dword [esp + 0x1c]
push 0
push ebp
push edx
push eax
call fcn.00464020
add esp, 0x18
test eax, eax
je 0x4b2139
mov ecx, ebx
sub ecx, edi
sub ecx, 0x29
push ecx
lea edx, [ebp + 0x14]
push 0
push edx
call fcn.005c63d0
mov ecx, dword [esp + 0x1c]
mov eax, ebp
sub eax, edi
add eax, ebx
push edi
mov byte [eax - 0x15], 1
push ecx
add eax, 0xffffffec
push eax
call fcn.005c5d80
push 0x14
push esi
call fcn.004207f0
add esp, 0x20
test eax, eax
jle 0x4b2139
push 0x47
add ebx, 0xffffffec
push str..crypto_rsa_rsa_oaep.c
push ebx
call fcn.00401080
mov edi, eax
add esp, 0xc
mov dword [esp + 0x14], edi
test edi, edi
jne 0x4b214e
push 0x49
push str..crypto_rsa_rsa_oaep.c
push 0x41
push 0x79
push 4
call fcn.004082b0
add esp, 0x14
pop esi
pop ebp
pop edi
xor eax, eax
pop ebx
mov ecx, dword [esp + 0x1c]
xor ecx, esp
call fcn.005c6c09
add esp, 0x20
ret
push 0x14
push esi
push ebx
push edi
call fcn.004b1fe0
add esp, 0x10
test eax, eax
js 0x4b2139
test ebx, ebx
jle 0x4b2179
mov eax, ebp
sub edi, ebp
mov ecx, ebx
lea esp, [esp]
mov dl, byte [edi + eax]
xor byte [eax], dl
inc eax
dec ecx
jne 0x4b2170
call fcn.00464130
push eax
push ebx
push ebp
lea eax, [esp + 0x24]
push 0x14
push eax
call fcn.004b1e60
add esp, 0x14
test eax, eax
js 0x4b2139
lea ecx, [esp + 0x18]
lea edi, [esp + 0x19]
lea ebp, [esp + 0x1a]
lea edx, [esp + 0x1b]
sub ecx, esi
sub edi, esi
sub ebp, esi
sub edx, esi
lea ebx, [esp + 0x1c]
sub ebx, esi
mov eax, esi
mov dword [esp + 0x10], ebx
mov esi, 4
lea ecx, [ecx]
movzx ebx, byte [ecx + eax]
xor byte [eax], bl
movzx ebx, byte [edi + eax]
xor byte [eax + 1], bl
movzx ebx, byte [eax + ebp]
xor byte [eax + 2], bl
movzx ebx, byte [edx + eax]
xor byte [eax + 3], bl
mov ebx, dword [esp + 0x10]
movzx ebx, byte [ebx + eax]
xor byte [eax + 4], bl
add eax, 5
dec esi
jne 0x4b21c0
mov ecx, dword [esp + 0x14]
push ecx
call fcn.00401230
mov ecx, dword [esp + 0x30]
add esp, 4
lea eax, [esi + 1]
pop esi
pop ebp
pop edi
pop ebx
xor ecx, esp
call fcn.005c6c09
add esp, 0x20
ret
Function at 0x4b4d50
Capabilities:
Hash data using sha1

Disassembly:
push esi
mov esi, dword [esp + 8]
push 0x60
push 0
push esi
call fcn.005c63d0
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 0x4b4dc0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0xa0
call fcn.005c7560
mov eax, dword [0x697bc0]
xor eax, esp
mov dword [esp + 0x9c], eax
mov eax, dword [esp + 0xa8]
push ebp
mov ebp, dword [esp + 0xa8]
push esi
mov esi, ecx
test eax, eax
je 0x4b4f4a
push ebx
dec eax
push edi
lea edi, [ebp + 0xc]
shr eax, 3
add ebp, 0x14
inc eax
mov dword [esp + 0x18], eax
movzx eax, byte [esi + 1]
movzx ebx, byte [esi]
movzx ecx, byte [esi + 2]
movzx edx, byte [esi + 3]
shl eax, 8
or ebx, eax
movzx eax, byte [esi + 4]
shl ecx, 0x10
or ebx, ecx
movzx ecx, byte [esi + 5]
shl edx, 0x18
or ebx, edx
movzx edx, byte [esi + 6]
shl ecx, 8
or eax, ecx
movzx ecx, byte [esi + 7]
shl edx, 0x10
or eax, edx
mov dl, byte [edi]
shl ecx, 0x18
or eax, ecx
mov dword [esp + 0x10], eax
mov dword [esp + 0x20], eax
mov dword [esp + 0x28], eax
mov al, byte [ebp]
and dl, 0xdf
and al, 0xbf
or dl, 0x40
or al, 0x20
push edi
mov dword [esp + 0x20], ebx
mov dword [esp + 0x28], ebx
add esi, 8
mov byte [edi], dl
mov byte [ebp], al
call fcn.0048b500
lea ecx, [esp + 0x30]
push ecx
push edi
call fcn.0048b5d0
push 1
lea edx, [esp + 0x3c]
push edx
lea eax, [esp + 0x38]
push eax
call fcn.004d7fc0
push ebp
call fcn.0048b500
lea ecx, [esp + 0x48]
push ecx
push ebp
call fcn.0048b5d0
push 1
lea edx, [esp + 0x54]
push edx
lea eax, [esp + 0x48]
push eax
call fcn.004d7fc0
mov ecx, dword [esp + 0x4c]
mov eax, dword [esp + 0x50]
xor eax, dword [esp + 0x40]
mov edx, dword [esp + 0x58]
xor dword [esp + 0x40], edx
xor ecx, ebx
xor ebx, dword [esp + 0x54]
mov dword [esp + 0x44], eax
mov eax, edi
mov byte [eax], bl
mov edx, ebx
shr edx, 8
mov byte [eax + 1], dl
mov edx, ebx
shr edx, 0x10
mov byte [eax + 2], dl
mov edx, dword [esp + 0x44]
shr ebx, 0x18
mov byte [eax + 3], bl
mov ebx, edx
add esp, 0x30
mov byte [eax + 4], dl
shr ebx, 8
mov byte [eax + 5], bl
mov ebx, edx
shr edx, 0x18
shr ebx, 0x10
mov byte [eax + 6], bl
mov byte [eax + 7], dl
mov eax, ebp
mov byte [eax], cl
mov edx, ecx
shr edx, 8
mov byte [eax + 1], dl
mov edx, ecx
shr edx, 0x10
mov byte [eax + 2], dl
shr ecx, 0x18
mov byte [eax + 3], cl
mov ecx, dword [esp + 0x10]
mov edx, ecx
shr edx, 8
mov byte [eax + 4], cl
mov byte [eax + 5], dl
mov edx, ecx
shr edx, 0x10
shr ecx, 0x18
dec dword [esp + 0x18]
mov byte [eax + 6], dl
mov byte [eax + 7], cl
jne 0x4b4e03
pop edi
pop ebx
mov ecx, dword [esp + 0xa4]
pop esi
pop ebp
xor ecx, esp
call fcn.005c6c09
add esp, 0xa0
ret
Function at 0x4b6a20
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov eax, 0x2c
call fcn.005c7560
mov eax, dword [0x697bc0]
xor eax, esp
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x34]
mov ecx, dword [esp + 0x3c]
mov edx, dword [esp + 0x38]
push ebx
mov dword [esp + 0x18], eax
push ebp
mov dword [esp + 0xc], edx
push esi
push edi
mov edi, dword [esp + 0x50]
movzx edx, byte [edi + 1]
movzx ebx, byte [edi + 5]
lea eax, [edi + 1]
mov dword [esp + 0x28], ecx
movzx ecx, byte [edi]
shl edx, 0x10
shl ecx, 0x18
or ecx, edx
movzx edx, byte [eax + 1]
shl edx, 8
or ecx, edx
movzx edx, byte [eax + 2]
or ecx, edx
movzx edx, byte [eax + 3]
mov dword [esp + 0x2c], eax
shl ebx, 0x10
shl edx, 0x18
or edx, ebx
movzx ebx, byte [eax + 5]
movzx eax, byte [eax + 6]
mov ebp, dword [esp + 0x54]
shl ebx, 8
or ebx, eax
mov esi, dword [ebp]
mov eax, ecx
shr eax, 0x18
mov byte [esp + 0x30], al
mov eax, ecx
shr eax, 0x10
mov byte [esp + 0x31], al
or edx, ebx
mov eax, ecx
shr eax, 8
mov byte [esp + 0x32], al
mov eax, edx
shr eax, 0x18
mov byte [esp + 0x34], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 0x35], al
mov eax, edx
shr eax, 8
cmp dword [esp + 0x48], 0
mov dword [esp + 0x18], ebp
mov dword [esp + 0x10], 0
mov dword [esp + 0x1c], ecx
mov dword [esp + 0x20], edx
mov byte [esp + 0x33], cl
mov byte [esp + 0x36], al
mov byte [esp + 0x37], dl
je 0x4b6bf2
mov ebx, dword [esp + 0x24]
mov ebp, dword [esp + 0x40]
sub ebx, ebp
dec dword [esp + 0x14]
test esi, esi
jne 0x4b6b6b
mov ecx, dword [esp + 0x28]
push ecx
lea edx, [esp + 0x20]
push edx
call fcn.004dba80
mov ecx, dword [esp + 0x24]
mov eax, ecx
shr eax, 0x18
mov byte [esp + 0x38], al
mov edx, ecx
shr edx, 0x10
mov eax, ecx
shr eax, 8
mov byte [esp + 0x3a], al
mov byte [esp + 0x39], dl
mov edx, dword [esp + 0x28]
mov eax, edx
shr eax, 0x18
mov byte [esp + 0x3c], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 0x3d], al
mov eax, edx
shr eax, 8
add esp, 8
inc dword [esp + 0x10]
mov byte [esp + 0x33], cl
mov byte [esp + 0x36], al
mov byte [esp + 0x37], dl
mov al, byte [esp + esi + 0x30]
xor al, byte [ebp]
inc esi
mov byte [ebx + ebp], al
inc ebp
and esi, 7
cmp dword [esp + 0x14], 0
jne 0x4b6b07
cmp dword [esp + 0x10], 0
je 0x4b6bd9
mov eax, ecx
mov ebx, ecx
shr eax, 0x18
mov byte [edi], al
mov eax, dword [esp + 0x2c]
shr ebx, 0x10
mov byte [eax], bl
mov ebx, ecx
shr ebx, 8
mov byte [eax + 1], bl
mov byte [eax + 2], cl
mov ecx, edx
shr ecx, 0x18
mov byte [eax + 3], cl
mov ecx, edx
shr ecx, 0x10
mov byte [eax + 4], cl
mov ecx, edx
shr ecx, 8
mov byte [eax + 5], cl
mov byte [eax + 6], dl
mov edx, dword [esp + 0x18]
pop edi
mov dword [edx], esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x28]
xor ecx, esp
call fcn.005c6c09
add esp, 0x2c
ret
mov eax, dword [esp + 0x18]
pop edi
mov dword [eax], esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x28]
xor ecx, esp
call fcn.005c6c09
add esp, 0x2c
ret
mov ecx, dword [esp + 0x38]
pop edi
mov dword [ebp], esi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.005c6c09
add esp, 0x2c
ret
Function at 0x4b82f0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov eax, 0x2c
call fcn.005c7560
mov eax, dword [0x697bc0]
xor eax, esp
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x34]
mov ecx, dword [esp + 0x3c]
mov edx, dword [esp + 0x38]
push ebx
mov dword [esp + 0x18], eax
push ebp
mov dword [esp + 0xc], edx
push esi
push edi
mov edi, dword [esp + 0x50]
movzx edx, byte [edi + 1]
movzx ebx, byte [edi + 5]
lea eax, [edi + 1]
mov dword [esp + 0x28], ecx
movzx ecx, byte [edi]
shl edx, 0x10
shl ecx, 0x18
or ecx, edx
movzx edx, byte [eax + 1]
shl edx, 8
or ecx, edx
movzx edx, byte [eax + 2]
or ecx, edx
movzx edx, byte [eax + 3]
mov dword [esp + 0x2c], eax
shl ebx, 0x10
shl edx, 0x18
or edx, ebx
movzx ebx, byte [eax + 5]
movzx eax, byte [eax + 6]
mov ebp, dword [esp + 0x54]
shl ebx, 8
or ebx, eax
mov esi, dword [ebp]
mov eax, ecx
shr eax, 0x18
mov byte [esp + 0x30], al
mov eax, ecx
shr eax, 0x10
mov byte [esp + 0x31], al
or edx, ebx
mov eax, ecx
shr eax, 8
mov byte [esp + 0x32], al
mov eax, edx
shr eax, 0x18
mov byte [esp + 0x34], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 0x35], al
mov eax, edx
shr eax, 8
cmp dword [esp + 0x48], 0
mov dword [esp + 0x18], ebp
mov dword [esp + 0x10], 0
mov dword [esp + 0x1c], ecx
mov dword [esp + 0x20], edx
mov byte [esp + 0x33], cl
mov byte [esp + 0x36], al
mov byte [esp + 0x37], dl
je 0x4b84c2
mov ebx, dword [esp + 0x24]
mov ebp, dword [esp + 0x40]
sub ebx, ebp
dec dword [esp + 0x14]
test esi, esi
jne 0x4b843b
mov ecx, dword [esp + 0x28]
push ecx
lea edx, [esp + 0x20]
push edx
call fcn.004dc5c0
mov ecx, dword [esp + 0x24]
mov eax, ecx
shr eax, 0x18
mov byte [esp + 0x38], al
mov edx, ecx
shr edx, 0x10
mov eax, ecx
shr eax, 8
mov byte [esp + 0x3a], al
mov byte [esp + 0x39], dl
mov edx, dword [esp + 0x28]
mov eax, edx
shr eax, 0x18
mov byte [esp + 0x3c], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 0x3d], al
mov eax, edx
shr eax, 8
add esp, 8
inc dword [esp + 0x10]
mov byte [esp + 0x33], cl
mov byte [esp + 0x36], al
mov byte [esp + 0x37], dl
mov al, byte [esp + esi + 0x30]
xor al, byte [ebp]
inc esi
mov byte [ebx + ebp], al
inc ebp
and esi, 7
cmp dword [esp + 0x14], 0
jne 0x4b83d7
cmp dword [esp + 0x10], 0
je 0x4b84a9
mov eax, ecx
mov ebx, ecx
shr eax, 0x18
mov byte [edi], al
mov eax, dword [esp + 0x2c]
shr ebx, 0x10
mov byte [eax], bl
mov ebx, ecx
shr ebx, 8
mov byte [eax + 1], bl
mov byte [eax + 2], cl
mov ecx, edx
shr ecx, 0x18
mov byte [eax + 3], cl
mov ecx, edx
shr ecx, 0x10
mov byte [eax + 4], cl
mov ecx, edx
shr ecx, 8
mov byte [eax + 5], cl
mov byte [eax + 6], dl
mov edx, dword [esp + 0x18]
pop edi
mov dword [edx], esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x28]
xor ecx, esp
call fcn.005c6c09
add esp, 0x2c
ret
mov eax, dword [esp + 0x18]
pop edi
mov dword [eax], esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x28]
xor ecx, esp
call fcn.005c6c09
add esp, 0x2c
ret
mov ecx, dword [esp + 0x38]
pop edi
mov dword [ebp], esi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.005c6c09
add esp, 0x2c
ret
Function at 0x4b84e0
Capabilities:
Encrypt data using blowfish

Disassembly:
mov eax, 8
call fcn.005c7560
push ebx
mov ebx, dword [esp + 0x10]
push esi
push 0x1048
push 0x6604b0
push ebx
call fcn.005c5d80
mov ecx, dword [esp + 0x24]
add esp, 0xc
cmp ecx, 0x48
jle 0x4b8511
mov ecx, 0x48
push edi
mov edi, dword [esp + 0x20]
mov eax, edi
add ecx, edi
lea esi, [ebx + 8]
mov dword [esp + 0x18], 6
push ebp
movzx edx, byte [eax]
inc eax
cmp eax, ecx
jb 0x4b8530
mov eax, edi
movzx ebp, byte [eax]
shl edx, 8
inc eax
or edx, ebp
cmp eax, ecx
jb 0x4b853f
mov eax, edi
movzx ebp, byte [eax]
shl edx, 8
inc eax
or edx, ebp
cmp eax, ecx
jb 0x4b854e
mov eax, edi
movzx ebp, byte [eax]
shl edx, 8
inc eax
or edx, ebp
cmp eax, ecx
jb 0x4b855d
mov eax, edi
xor dword [esi - 8], edx
movzx edx, byte [eax]
inc eax
cmp eax, ecx
jb 0x4b856a
mov eax, edi
movzx ebp, byte [eax]
shl edx, 8
inc eax
or edx, ebp
cmp eax, ecx
jb 0x4b8579
mov eax, edi
movzx ebp, byte [eax]
shl edx, 8
inc eax
or edx, ebp
cmp eax, ecx
jb 0x4b8588
mov eax, edi
movzx ebp, byte [eax]
shl edx, 8
inc eax
or edx, ebp
cmp eax, ecx
jb 0x4b8597
mov eax, edi
xor dword [esi - 4], edx
movzx edx, byte [eax]
inc eax
cmp eax, ecx
jb 0x4b85a4
mov eax, edi
movzx ebp, byte [eax]
shl edx, 8
inc eax
or edx, ebp
cmp eax, ecx
jb 0x4b85b3
mov eax, edi
movzx ebp, byte [eax]
shl edx, 8
inc eax
or edx, ebp
cmp eax, ecx
jb 0x4b85c2
mov eax, edi
movzx ebp, byte [eax]
shl edx, 8
inc eax
or edx, ebp
cmp eax, ecx
jb 0x4b85d1
mov eax, edi
xor dword [esi], edx
add esi, 0xc
dec dword [esp + 0x1c]
jne 0x4b8526
xor edi, edi
mov dword [esp + 0x10], edi
mov dword [esp + 0x14], edi
xor esi, esi
pop ebp
lea ecx, [ecx]
lea eax, [esp + 0xc]
push ebx
push eax
call fcn.004dc5c0
mov ecx, dword [esp + 0x14]
mov edx, dword [esp + 0x18]
mov dword [ebx + esi*4], ecx
mov dword [ebx + esi*4 + 4], edx
add esi, 2
add esp, 8
cmp esi, 0x12
jl 0x4b85f0
xor esi, esi
pop edi
lea eax, [esp + 8]
push ebx
push eax
call fcn.004dc5c0
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
mov dword [ebx + esi*4 + 0x48], ecx
mov dword [ebx + esi*4 + 0x4c], edx
add esi, 2
add esp, 8
cmp esi, 0x400
jl 0x4b8618
pop esi
pop ebx
add esp, 8
ret
Function at 0x4bb650
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [eax + 4]
push ebx
push esi
push edi
mov edi, dword [esp + 0x18]
cmp ecx, dword [edi + 4]
jge 0x4bb669
mov esi, edi
mov edi, eax
jmp 0x4bb66b
mov esi, eax
mov eax, dword [esi + 4]
mov ebx, dword [esp + 0x10]
cmp eax, dword [ebx + 8]
jg 0x4bb67b
mov eax, ebx
jmp 0x4bb685
push eax
push ebx
call fcn.00401500
add esp, 8
test eax, eax
jne 0x4bb68d
pop edi
pop esi
pop ebx
ret
xor eax, eax
cmp dword [edi + 4], eax
jle 0x4bb6a9
mov edx, dword [esi]
mov ecx, dword [edi]
mov edx, dword [edx + eax*4]
xor edx, dword [ecx + eax*4]
mov ecx, dword [ebx]
mov dword [ecx + eax*4], edx
inc eax
cmp eax, dword [edi + 4]
jl 0x4bb694
cmp eax, dword [esi + 4]
jge 0x4bb6c0
mov edi, edi
mov edx, dword [esi]
mov edx, dword [edx + eax*4]
mov ecx, dword [ebx]
mov dword [ecx + eax*4], edx
inc eax
cmp eax, dword [esi + 4]
jl 0x4bb6b0
mov eax, dword [esi + 4]
mov dword [ebx + 4], eax
test eax, eax
jle 0x4bb6e1
mov ecx, dword [ebx]
lea ecx, [ecx + eax*4 - 4]
mov edx, dword [ecx]
sub ecx, 4
test edx, edx
jne 0x4bb6de
dec eax
test eax, eax
jg 0x4bb6d0
mov dword [ebx + 4], eax
pop edi
pop esi
mov eax, 1
pop ebx
ret
Function at 0x4c9720
Capabilities:
Allocate or change rwx memory

Disassembly:
push ebp
mov ebp, esp
push ecx
mov dword [ebp - 4], ecx
mov eax, dword [ebp - 4]
mov ecx, dword [ebp + 8]
mov dword [eax + 4], ecx
mov edx, dword [ebp - 4]
mov eax, dword [ebp + 0xc]
mov dword [edx + 8], eax
mov ecx, dword [ebp - 4]
mov dword [ecx + 0xc], 0
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
mov edx, dword [ebp - 4]
mov dword [edx], eax
mov eax, dword [ebp - 4]
cmp dword [eax + 4], 0
je 0x4c9791
mov ecx, dword [ebp - 4]
cmp dword [ecx + 8], 0
je 0x4c9791
mov edx, dword [ebp + 0xc]
push edx
mov eax, dword [ebp + 8]
push eax
mov ecx, dword [ebp - 4]
mov edx, dword [ecx]
push edx
call dword [sym.imp.KERNEL32.dll_FlushInstructionCache]
test eax, eax
jne 0x4c977a
jmp 0x4c9791
mov eax, dword [ebp - 4]
add eax, 0xc
push eax
push 0x40
mov ecx, dword [ebp + 0xc]
push ecx
mov edx, dword [ebp + 8]
push edx
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
mov eax, dword [ebp - 4]
mov esp, ebp
pop ebp
ret 8
Function at 0x4caa20
Capabilities:
Encode data using xor

Disassembly:
mov dword [esp + 0x14], edi
xor eax, dword [edi]
xor ebx, dword [edi + 4]
xor ecx, dword [edi + 8]
xor edx, dword [edi + 0xc]
mov esi, dword [edi + 0xf0]
lea esi, [esi + esi - 2]
lea esi, [edi + esi*8]
mov dword [esp + 0x18], esi
mov esi, eax
and esi, 0xff
mov esi, dword [ebp + esi*8]
movzx edi, bh
xor esi, dword [ebp + edi*8 + 3]
mov edi, ecx
shr edi, 0x10
and edi, 0xff
xor esi, dword [ebp + edi*8 + 2]
mov edi, edx
shr edi, 0x18
xor esi, dword [ebp + edi*8 + 1]
mov dword [esp + 4], esi
mov esi, ebx
and esi, 0xff
shr ebx, 0x10
mov esi, dword [ebp + esi*8]
movzx edi, ch
xor esi, dword [ebp + edi*8 + 3]
mov edi, edx
shr edi, 0x10
and edi, 0xff
xor esi, dword [ebp + edi*8 + 2]
mov edi, eax
shr edi, 0x18
xor esi, dword [ebp + edi*8 + 1]
mov dword [esp + 8], esi
mov esi, ecx
and esi, 0xff
shr ecx, 0x18
mov esi, dword [ebp + esi*8]
movzx edi, dh
xor esi, dword [ebp + edi*8 + 3]
mov edi, eax
shr edi, 0x10
and edx, 0xff
and edi, 0xff
xor esi, dword [ebp + edi*8 + 2]
movzx edi, bh
xor esi, dword [ebp + edi*8 + 1]
mov edi, dword [esp + 0x14]
mov edx, dword [ebp + edx*8]
movzx eax, ah
xor edx, dword [ebp + eax*8 + 3]
mov eax, dword [esp + 4]
and ebx, 0xff
xor edx, dword [ebp + ebx*8 + 2]
mov ebx, dword [esp + 8]
xor edx, dword [ebp + ecx*8 + 1]
mov ecx, esi
add edi, 0x10
xor eax, dword [edi]
xor ebx, dword [edi + 4]
xor ecx, dword [edi + 8]
xor edx, dword [edi + 0xc]
cmp edi, dword [esp + 0x18]
mov dword [esp + 0x14], edi
jb 0x4caa40
mov esi, eax
and esi, 0xff
mov esi, dword [ebp + esi*8 + 2]
and esi, 0xff
movzx edi, bh
mov edi, dword [ebp + edi*8]
and edi, 0xff00
xor esi, edi
mov edi, ecx
shr edi, 0x10
and edi, 0xff
mov edi, dword [ebp + edi*8]
and edi, 0xff0000
xor esi, edi
mov edi, edx
shr edi, 0x18
mov edi, dword [ebp + edi*8 + 2]
and edi, 0xff000000
xor esi, edi
mov dword [esp + 4], esi
mov esi, ebx
and esi, 0xff
shr ebx, 0x10
mov esi, dword [ebp + esi*8 + 2]
and esi, 0xff
movzx edi, ch
mov edi, dword [ebp + edi*8]
and edi, 0xff00
xor esi, edi
mov edi, edx
shr edi, 0x10
and edi, 0xff
mov edi, dword [ebp + edi*8]
and edi, 0xff0000
xor esi, edi
mov edi, eax
shr edi, 0x18
mov edi, dword [ebp + edi*8 + 2]
and edi, 0xff000000
xor esi, edi
mov dword [esp + 8], esi
mov esi, ecx
and esi, 0xff
shr ecx, 0x18
mov esi, dword [ebp + esi*8 + 2]
and esi, 0xff
movzx edi, dh
mov edi, dword [ebp + edi*8]
and edi, 0xff00
xor esi, edi
mov edi, eax
shr edi, 0x10
and edx, 0xff
and edi, 0xff
mov edi, dword [ebp + edi*8]
and edi, 0xff0000
xor esi, edi
movzx edi, bh
mov edi, dword [ebp + edi*8 + 2]
and edi, 0xff000000
xor esi, edi
mov edi, dword [esp + 0x14]
and edx, 0xff
mov edx, dword [ebp + edx*8 + 2]
and edx, 0xff
movzx eax, ah
mov eax, dword [ebp + eax*8]
and eax, 0xff00
xor edx, eax
mov eax, dword [esp + 4]
and ebx, 0xff
mov ebx, dword [ebp + ebx*8]
and ebx, 0xff0000
xor edx, ebx
mov ebx, dword [esp + 8]
mov ecx, dword [ebp + ecx*8 + 2]
and ecx, 0xff000000
xor edx, ecx
mov ecx, esi
add edi, 0x10
xor eax, dword [edi]
xor ebx, dword [edi + 4]
xor ecx, dword [edi + 8]
xor edx, dword [edi + 0xc]
ret
Function at 0x4cf9f0
Capabilities:
Encrypt data using aes via x86 extensions

Disassembly:
test eax, eax
je 0x4cfc9c
test edx, edx
je 0x4cfc9c
movups xmm0, xmmword [eax]
xorps xmm4, xmm4
lea edx, [edx + 0x10]
cmp ecx, 0x100
je 0x4cfbb0
cmp ecx, 0xc0
je 0x4cfad0
cmp ecx, 0x80
jne 0x4cfca4
lea ecx, [ecx]
mov ecx, 9
movups xmmword [edx - 0x10], xmm0
aeskeygenassist xmm1, xmm0, 1
call fcn.004cfab6
aeskeygenassist xmm1, xmm0, 2
call fcn.004cfab0
aeskeygenassist xmm1, xmm0, 4
call fcn.004cfab0
aeskeygenassist xmm1, xmm0, 8
call fcn.004cfab0
aeskeygenassist xmm1, xmm0, 0x10
call fcn.004cfab0
aeskeygenassist xmm1, xmm0, 0x20
call fcn.004cfab0
aeskeygenassist xmm1, xmm0, 0x40
call fcn.004cfab0
aeskeygenassist xmm1, xmm0, 0x80
call fcn.004cfab0
aeskeygenassist xmm1, xmm0, 0x1b
call fcn.004cfab0
aeskeygenassist xmm1, xmm0, 0x36
call fcn.004cfab0
movups xmmword [edx], xmm0
mov dword [edx + 0x50], ecx
xor eax, eax
ret
movq xmm2, qword [eax + 0x10]
mov ecx, 0xb
movups xmmword [edx - 0x10], xmm0
aeskeygenassist xmm1, xmm2, 1
call fcn.004cfb50
aeskeygenassist xmm1, xmm2, 2
call fcn.004cfb90
aeskeygenassist xmm1, xmm2, 4
call fcn.004cfb40
aeskeygenassist xmm1, xmm2, 8
call fcn.004cfb90
aeskeygenassist xmm1, xmm2, 0x10
call fcn.004cfb40
aeskeygenassist xmm1, xmm2, 0x20
call fcn.004cfb90
aeskeygenassist xmm1, xmm2, 0x40
call fcn.004cfb40
aeskeygenassist xmm1, xmm2, 0x80
call fcn.004cfb90
movups xmmword [edx], xmm0
mov dword [edx + 0x30], ecx
xor eax, eax
ret
movups xmm2, xmmword [eax + 0x10]
mov ecx, 0xd
lea edx, [edx + 0x10]
movups xmmword [edx - 0x20], xmm0
movups xmmword [edx - 0x10], xmm2
aeskeygenassist xmm1, xmm2, 1
call fcn.004cfc66
aeskeygenassist xmm1, xmm0, 1
call fcn.004cfc80
aeskeygenassist xmm1, xmm2, 2
call fcn.004cfc60
aeskeygenassist xmm1, xmm0, 2
call fcn.004cfc80
aeskeygenassist xmm1, xmm2, 4
call fcn.004cfc60
aeskeygenassist xmm1, xmm0, 4
call fcn.004cfc80
aeskeygenassist xmm1, xmm2, 8
call fcn.004cfc60
aeskeygenassist xmm1, xmm0, 8
call fcn.004cfc80
aeskeygenassist xmm1, xmm2, 0x10
call fcn.004cfc60
aeskeygenassist xmm1, xmm0, 0x10
call fcn.004cfc80
aeskeygenassist xmm1, xmm2, 0x20
call fcn.004cfc60
aeskeygenassist xmm1, xmm0, 0x20
call fcn.004cfc80
aeskeygenassist xmm1, xmm2, 0x40
call fcn.004cfc60
movups xmmword [edx], xmm0
mov dword [edx + 0x10], ecx
xor eax, eax
ret
mov eax, 0xffffffff
ret
mov eax, 0xfffffffe
ret

Function at 0x4cfcd0
Capabilities:
Encrypt data using aes via x86 extensions

Disassembly:
mov eax, dword [esp + 4]
mov ecx, dword [esp + 8]
mov edx, dword [esp + 0xc]
call fcn.004cf9f0
mov edx, dword [esp + 0xc]
shl ecx, 4
test eax, eax
jne 0x4cfd31
lea eax, [edx + ecx + 0x10]
movups xmm0, xmmword [edx]
movups xmm1, xmmword [eax]
movups xmmword [eax], xmm0
movups xmmword [edx], xmm1
lea edx, [edx + 0x10]
lea eax, [eax - 0x10]
movups xmm0, xmmword [edx]
movups xmm1, xmmword [eax]
aesimc xmm0, xmm0
aesimc xmm1, xmm1
lea edx, [edx + 0x10]
lea eax, [eax - 0x10]
movups xmmword [eax + 0x10], xmm0
movups xmmword [edx - 0x10], xmm1
cmp eax, edx
ja 0x4cfd02
movups xmm0, xmmword [edx]
aesimc xmm0, xmm0
movups xmmword [edx], xmm0
xor eax, eax
ret