joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4d5ac0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
mov dword [ebp - 0x34], ecx
mov eax, 1
test eax, eax
je 0x4d5c4d
push 0
mov ecx, dword [ebp - 0x34]
mov edx, dword [ebp - 0x34]
mov eax, dword [ecx + 0x2090]
sub eax, dword [edx + 0x2094]
push eax
mov ecx, dword [ebp - 0x34]
mov edx, dword [ecx + 0x2094]
mov eax, dword [ebp - 0x34]
lea ecx, [eax + edx + 0x1090]
push ecx
mov edx, dword [ebp - 0x34]
mov eax, dword [edx + 4]
push eax
call dword [sym.imp.WS2_32.dll_recv]
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
jne 0x4d5b1a
jmp 0x4d5c4d
cmp dword [ebp - 4], 0xffffffff
jne 0x4d5b48
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0x2733
jne 0x4d5b37
jmp 0x4d5c4d
mov ecx, dword [ebp - 8]
push ecx
mov ecx, dword [ebp - 0x34]
call fcn.004d58b0
jmp 0x4d5c4d
mov edx, dword [ebp - 0x34]
mov eax, dword [edx + 0x2094]
add eax, dword [ebp - 4]
mov ecx, dword [ebp - 0x34]
mov dword [ecx + 0x2094], eax
mov edx, dword [ebp - 0x34]
cmp dword [edx + 0x2094], 4
jb 0x4d5c48
mov eax, dword [ebp - 0x34]
cmp dword [eax + 0x2090], 4
jne 0x4d5b8e
mov ecx, dword [ebp - 0x34]
mov edx, dword [ecx + 0x1090]
add edx, 4
mov eax, dword [ebp - 0x34]
mov dword [eax + 0x2090], edx
mov ecx, dword [ebp - 0x34]
mov edx, dword [ebp - 0x34]
mov eax, dword [ecx + 0x2094]
cmp eax, dword [edx + 0x2090]
jne 0x4d5c48
lea ecx, [ebp - 0x30]
call fcn.004b30e0
mov ecx, dword [ebp - 0x34]
mov edx, dword [ecx + 0x2094]
sub edx, 4
push edx
mov eax, dword [ebp - 0x34]
add eax, 0x1094
push eax
lea ecx, [ebp - 0x2c]
call fcn.0041d9a0
push 0
lea ecx, [ebp - 0x2c]
push ecx
lea ecx, [ebp - 0x20]
call fcn.0041d5f0
lea edx, [ebp - 0x30]
push edx
lea eax, [ebp - 0x20]
push eax
call fcn.0041bd20
add esp, 8
call dword [sym.imp.KERNEL32.dll_GetTickCount]
push eax
lea ecx, [ebp - 0x30]
call fcn.00427130
mov ecx, eax
call fcn.004a1ae0
lea ecx, [ebp - 0x30]
push ecx
mov ecx, dword [ebp - 0x34]
add ecx, 0x60
call fcn.004d4910
mov edx, dword [ebp - 0x34]
mov dword [edx + 0x2094], 0
mov eax, dword [ebp - 0x34]
mov dword [eax + 0x2090], 4
push 0
push 0x504
mov ecx, dword [ebp - 0x34]
call fcn.004d5d50
lea ecx, [ebp - 0x20]
call fcn.004496f0
lea ecx, [ebp - 0x30]
call fcn.0040a2b0
jmp 0x4d5ac9
mov esp, ebp
pop ebp
ret

Function at 0x4d5c60
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
mov dword [ebp - 0x2c], ecx
mov dword [ebp - 0x24], 0x10
lea eax, [ebp - 0x24]
push eax
lea ecx, [ebp - 0x20]
push ecx
mov edx, dword [ebp - 0x2c]
mov eax, dword [edx + 4]
push eax
call dword [sym.imp.WS2_32.dll_getsockname]
mov dword [ebp - 0x28], eax
lea ecx, [ebp - 0x20]
push ecx
mov ecx, dword [ebp - 0x2c]
add ecx, 0x24
call fcn.004d2900
mov dword [ebp - 0x24], 0x10
lea edx, [ebp - 0x24]
push edx
lea eax, [ebp - 0x10]
push eax
mov ecx, dword [ebp - 0x2c]
mov edx, dword [ecx + 4]
push edx
call dword [sym.imp.WS2_32.dll_getpeername]
mov dword [ebp - 0x28], eax
lea eax, [ebp - 0x10]
push eax
mov ecx, dword [ebp - 0x2c]
add ecx, 0x2c
call fcn.004d2900
mov esp, ebp
pop ebp
ret
Function at 0x4d6d10
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x44
mov dword [ebp - 0x44], ecx
mov eax, dword [ebp - 0x44]
movzx ecx, byte [eax + 0x20]
test ecx, ecx
jne 0x4d6d29
jmp 0x4d6ded
mov edx, dword [ebp - 0x44]
add edx, 0x18
push edx
lea ecx, [ebp - 4]
call fcn.004d3c10
mov eax, dword [ebp + 8]
mov ecx, dword [eax]
and ecx, 8
je 0x4d6de5
mov edx, dword [ebp + 8]
cmp dword [edx + 0x10], 0
je 0x4d6d5c
lea ecx, [ebp - 4]
call fcn.004d3ca0
jmp 0x4d6ded
mov dword [ebp - 0x28], 0x10
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x38]
push ecx
mov edx, dword [ebp - 0x44]
mov eax, dword [edx + 4]
push eax
call dword [sym.imp.WS2_32.dll_accept]
mov dword [ebp - 0x3c], eax
cmp dword [ebp - 0x3c], 0xffffffff
jne 0x4d6d94
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov dword [ebp - 0x40], eax
lea ecx, [ebp - 4]
call fcn.004d3ca0
jmp 0x4d6ded
lea ecx, [ebp - 0x28]
push ecx
lea edx, [ebp - 0x14]
push edx
mov eax, dword [ebp - 0x3c]
push eax
call dword [sym.imp.WS2_32.dll_getsockname]
lea ecx, [ebp - 0x24]
call fcn.00431c90
lea ecx, [ebp - 0x14]
push ecx
lea ecx, [ebp - 0x24]
call fcn.004d2900
lea ecx, [ebp - 0x1c]
call fcn.00431c90
lea edx, [ebp - 0x38]
push edx
lea ecx, [ebp - 0x1c]
call fcn.004d2900
lea eax, [ebp - 0x1c]
push eax
lea ecx, [ebp - 0x24]
push ecx
mov edx, dword [ebp - 0x3c]
push edx
mov eax, dword [ebp - 0x44]
mov edx, dword [eax]
mov ecx, dword [ebp - 0x44]
call dword [edx + 8]
lea ecx, [ebp - 4]
call fcn.004d3ca0
mov esp, ebp
pop ebp
ret 4
Function at 0x4e492b
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push ecx
and dword [ebp - 4], 0
lea eax, [ebp - 4]
push eax
push 0x579720
push reloc.WS2_32.dll_bind
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
test eax, eax
jne 0x4e4982
push esi
lea eax, [ebp + 0x14]
push eax
push dword [ebp + 0x10]
lea eax, [ebp + 0x10]
push eax
push 0
push dword [ebp + 0xc]
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
push dword [ebp - 4]
mov esi, eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
test esi, esi
pop esi
jne 0x4e4982
mov eax, dword [ebp + 0x10]
cmp eax, dword [ebp + 8]
jne 0x4e4982
xor eax, eax
inc eax
jmp 0x4e4984
xor eax, eax
leave
ret 0x10

Function at 0x4e4f32
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [ebp + 0x14]
mov edx, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 0x18]
imul eax, edi
add eax, edx
cmp edx, eax
mov dword [ebp - 0x14], eax
jae 0x4e5053
mov eax, dword [ebp + 0x10]
lea eax, [edx + eax*4]
push ebx
push esi
mov dword [ebp + 0x14], eax
mov esi, 0xffc03fc0
mov eax, 0xff00ff
cmp edx, dword [ebp + 0x14]
mov ecx, dword [ebp + 8]
mov dword [ebp - 4], ecx
jae 0x4e5037
mov ebx, dword [ebp + 0x14]
sub ebx, edx
dec ebx
shr ebx, 3
lea ecx, [edx + 4]
inc ebx
mov dword [ebp - 0xc], ecx
mov dword [ebp - 0x10], ebx
mov edx, dword [ecx + edi]
mov edi, dword [edi + ecx - 4]
mov dword [ebp - 8], edi
shr edi, 2
and edi, esi
mov dword [ebp + 0x10], edx
mov edx, dword [ecx]
mov ecx, dword [ecx - 4]
mov ebx, ecx
shr ebx, 2
and ebx, esi
add ebx, edi
mov edi, dword [ebp + 0x10]
shr edi, 2
and edi, esi
add ebx, edi
mov edi, edx
shr edi, 2
and edi, esi
lea ebx, [ebx + edi - 0x7fff80]
mov edi, dword [ebp - 8]
and edi, eax
mov esi, ecx
and esi, eax
add esi, edi
mov edi, dword [ebp + 0x10]
and edi, eax
add esi, edi
mov edi, edx
and edi, eax
lea esi, [esi + edi + 0x20002]
mov edi, dword [ebp - 8]
shr ecx, 2
shr esi, 2
xor ebx, esi
shr edi, 2
mov esi, 0x3fc03fc0
and ecx, esi
and edi, esi
add ecx, edi
mov edi, dword [ebp + 0x10]
shr edi, 2
and edi, esi
add ecx, edi
mov edi, dword [ebp + 0x18]
shr edx, 2
and edx, esi
lea ecx, [ecx + edx + 0x800080]
and ebx, eax
xor ebx, ecx
mov ecx, dword [ebp - 4]
add dword [ebp - 4], 4
mov dword [ecx], ebx
mov ecx, dword [ebp - 0xc]
add ecx, 8
dec dword [ebp - 0x10]
mov dword [ebp - 0xc], ecx
mov esi, 0xffc03fc0
jne 0x4e4f89
mov edx, dword [ebp + 0xc]
mov ecx, dword [ebp + 0x1c]
add dword [ebp + 8], ecx
lea ecx, [edi + edi]
add dword [ebp + 0x14], ecx
add edx, ecx
cmp edx, dword [ebp - 0x14]
mov dword [ebp + 0xc], edx
jb 0x4e4f67
pop esi
pop ebx
xor eax, eax
pop edi
leave
ret 0x18
Function at 0x4e5307
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x24
mov eax, dword [ecx + 4]
mov eax, dword [eax + 0x20]
push ebp
push esi
mov esi, dword [ecx]
mov ebp, dword [esi + 0x6c]
push edi
mov edi, dword [esi + 0x60]
imul ebp, edi
mov dword [esp + 0x10], eax
mov eax, dword [esi + 0x20]
add ebp, eax
cmp eax, ebp
mov dword [esp + 0x28], ecx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x2c], ebp
jae 0x4e543f
mov edx, 0xf81f
push ebx
mov ebx, dword [esp + 0x14]
mov esi, dword [esi + 0x68]
lea esi, [eax + esi*2]
mov dword [esp + 0x10], ebx
add edi, eax
cmp eax, esi
mov ebx, eax
mov dword [esp + 0x18], ebx
mov dword [esp + 0x1c], edi
mov dword [esp + 0x28], esi
jae 0x4e5420
movzx ecx, word [ebx]
movzx esi, word [ebx + 2]
movzx eax, word [edi + 2]
movzx edi, word [edi]
mov ebp, ecx
mov ebx, eax
and bx, dx
and bp, dx
mov dword [esp + 0x24], ecx
and ecx, 0xffff07e0
add ebx, ebp
mov ebp, edi
and bp, dx
add ebx, ebp
mov ebp, esi
and bp, dx
lea ebx, [ebx + ebp + 0x1002]
mov ebp, eax
and ebp, 0xffff07e0
add ebp, ecx
mov ecx, edi
and ecx, 0xffff07e0
add ebp, ecx
mov ecx, esi
and ecx, 0xffff07e0
shr ebx, 2
lea ecx, [ecx + ebp + 0x40]
shr ecx, 2
xor ebx, ecx
mov ecx, dword [esp + 0x24]
and eax, edx
and ecx, edx
add eax, ecx
and edi, edx
add eax, edi
mov edi, dword [esp + 0x1c]
and esi, edx
and ebx, 0xffff07e0
lea eax, [eax + esi + 0x1002]
shr eax, 2
xor ebx, eax
mov eax, dword [esp + 0x10]
add dword [esp + 0x10], 2
mov word [eax], bx
mov ebx, dword [esp + 0x18]
add ebx, 4
add edi, 4
cmp ebx, dword [esp + 0x28]
mov dword [esp + 0x18], ebx
mov dword [esp + 0x1c], edi
jb 0x4e5367
mov ecx, dword [esp + 0x2c]
mov eax, dword [esp + 0x20]
mov ebp, dword [esp + 0x30]
mov esi, dword [ecx + 4]
mov esi, dword [esi + 0x60]
add dword [esp + 0x14], esi
mov esi, dword [ecx]
mov edi, dword [esi + 0x60]
lea eax, [eax + edi*2]
cmp eax, ebp
mov dword [esp + 0x20], eax
jb 0x4e5341
pop ebx
pop edi
pop esi
xor eax, eax
pop ebp
add esp, 0x24
ret
Function at 0x4e555d
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x24
mov eax, dword [ecx + 4]
mov eax, dword [eax + 0x20]
push ebp
push esi
mov esi, dword [ecx]
mov ebp, dword [esi + 0x6c]
mov edx, dword [esi + 0x20]
push edi
mov edi, dword [esi + 0x60]
imul ebp, edi
add ebp, edx
cmp edx, ebp
mov dword [esp + 0x28], ecx
mov dword [esp + 0x10], eax
mov dword [esp + 0x1c], edx
mov dword [esp + 0x2c], ebp
jae 0x4e5694
mov eax, 0x83e0
push ebx
mov ebx, dword [esp + 0x14]
mov esi, dword [esi + 0x68]
lea esi, [edx + esi*2]
mov dword [esp + 0x10], ebx
add edi, edx
cmp edx, esi
mov ebx, edx
mov dword [esp + 0x18], ebx
mov dword [esp + 0x1c], edi
mov dword [esp + 0x28], esi
jae 0x4e5675
movzx ecx, word [ebx]
movzx esi, word [ebx + 2]
movzx edx, word [edi + 2]
movzx edi, word [edi]
mov ebp, ecx
and ebp, eax
mov ebx, edx
and ebx, eax
add ebx, ebp
mov ebp, edi
and ebp, eax
add ebx, ebp
mov dword [esp + 0x24], ecx
and ecx, 0x7c1f
mov ebp, esi
and ebp, eax
lea ebx, [ebx + ebp + 0x10040]
mov ebp, edx
and ebp, 0x7c1f
add ebp, ecx
mov ecx, edi
and ecx, 0x7c1f
add ebp, ecx
mov ecx, esi
and ecx, 0x7c1f
lea ecx, [ecx + ebp + 0x802]
shr ecx, 2
shr ebx, 2
xor ebx, ecx
mov ecx, dword [esp + 0x24]
and ecx, eax
and edx, eax
add edx, ecx
and edi, eax
add edx, edi
mov edi, dword [esp + 0x1c]
and esi, eax
and ebx, 0xffff7c1f
lea ecx, [edx + esi + 0x10040]
shr ecx, 2
xor ebx, ecx
mov ecx, dword [esp + 0x10]
add dword [esp + 0x10], 2
mov word [ecx], bx
mov ebx, dword [esp + 0x18]
add ebx, 4
add edi, 4
cmp ebx, dword [esp + 0x28]
mov dword [esp + 0x18], ebx
mov dword [esp + 0x1c], edi
jb 0x4e55bd
mov ecx, dword [esp + 0x2c]
mov edx, dword [esp + 0x20]
mov ebp, dword [esp + 0x30]
mov esi, dword [ecx + 4]
mov esi, dword [esi + 0x60]
add dword [esp + 0x14], esi
mov esi, dword [ecx]
mov edi, dword [esi + 0x60]
lea edx, [edx + edi*2]
cmp edx, ebp
mov dword [esp + 0x20], edx
jb 0x4e5597
pop ebx
pop edi
pop esi
xor eax, eax
pop ebp
add esp, 0x24
ret
Function at 0x4e569d
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x24
mov eax, dword [ecx + 4]
mov eax, dword [eax + 0x20]
push ebp
push esi
mov esi, dword [ecx]
mov ebp, dword [esi + 0x6c]
push edi
mov edi, dword [esi + 0x60]
imul ebp, edi
mov dword [esp + 0x10], eax
mov eax, dword [esi + 0x20]
add ebp, eax
cmp eax, ebp
mov dword [esp + 0x28], ecx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x2c], ebp
jae 0x4e57d8
mov edx, 0xf0f0
push ebx
mov ebx, dword [esp + 0x14]
mov esi, dword [esi + 0x68]
lea esi, [eax + esi*2]
mov dword [esp + 0x10], ebx
add edi, eax
cmp eax, esi
mov ebx, eax
mov dword [esp + 0x18], ebx
mov dword [esp + 0x1c], edi
mov dword [esp + 0x28], esi
jae 0x4e57b9
movzx ecx, word [ebx]
movzx esi, word [ebx + 2]
movzx eax, word [edi + 2]
movzx edi, word [edi]
mov ebp, ecx
mov ebx, eax
and bx, dx
and bp, dx
mov dword [esp + 0x24], ecx
and ecx, 0xffff0f0f
add ebx, ebp
mov ebp, edi
and bp, dx
add ebx, ebp
mov ebp, esi
and bp, dx
lea ebx, [ebx + ebp + 0x2020]
mov ebp, eax
and ebp, 0xffff0f0f
add ebp, ecx
mov ecx, edi
and ecx, 0xffff0f0f
add ebp, ecx
mov ecx, esi
and ecx, 0xffff0f0f
shr ebx, 2
lea ecx, [ecx + ebp + 0x202]
shr ecx, 2
xor ebx, ecx
mov ecx, dword [esp + 0x24]
and eax, edx
and ecx, edx
add eax, ecx
and edi, edx
add eax, edi
mov edi, dword [esp + 0x1c]
and esi, edx
and ebx, 0xffff0f0f
lea eax, [eax + esi + 0x2020]
shr eax, 2
xor ebx, eax
mov eax, dword [esp + 0x10]
add dword [esp + 0x10], 2
mov word [eax], bx
mov ebx, dword [esp + 0x18]
add ebx, 4
add edi, 4
cmp ebx, dword [esp + 0x28]
mov dword [esp + 0x18], ebx
mov dword [esp + 0x1c], edi
jb 0x4e56fd
mov ecx, dword [esp + 0x2c]
mov eax, dword [esp + 0x20]
mov ebp, dword [esp + 0x30]
mov esi, dword [ecx + 4]
mov esi, dword [esi + 0x60]
add dword [esp + 0x14], esi
mov esi, dword [ecx]
mov edi, dword [esi + 0x60]
lea eax, [eax + edi*2]
cmp eax, ebp
mov dword [esp + 0x20], eax
jb 0x4e56d7
pop ebx
pop edi
pop esi
xor eax, eax
pop ebp
add esp, 0x24
ret
Function at 0x4e57e1
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x20
mov edx, dword [ecx]
mov eax, dword [ecx + 4]
push ebp
mov ebp, dword [eax + 0x20]
mov eax, dword [edx + 0x20]
push esi
mov esi, dword [edx + 0x6c]
push edi
mov edi, dword [edx + 0x60]
imul esi, edi
add esi, eax
cmp eax, esi
mov dword [esp + 0x24], ecx
mov dword [esp + 0x18], ebp
mov dword [esp + 0x1c], eax
mov dword [esp + 0x28], esi
jae 0x4e5908
push ebx
mov edx, dword [edx + 0x68]
add edx, eax
add edi, eax
cmp eax, edx
mov ebx, eax
mov dword [esp + 0x10], ebp
mov dword [esp + 0x14], ebx
mov dword [esp + 0x18], edi
mov dword [esp + 0x24], edx
jae 0x4e58e9
movzx ebp, byte [ebx]
movzx esi, byte [ebx + 1]
movzx eax, byte [edi + 1]
movzx edi, byte [edi]
mov edx, eax
push 0x1c
pop ecx
and edx, ecx
mov ebx, ebp
and ebx, ecx
add edx, ebx
mov ebx, edi
and ebx, ecx
add edx, ebx
mov ebx, esi
and ebx, ecx
lea edx, [edx + ebx + 8]
mov ecx, eax
and ecx, 0xffff00e3
mov ebx, ebp
and ebx, 0xffff00e3
add ecx, ebx
mov ebx, edi
and ebx, 0xffff00e3
add ecx, ebx
mov ebx, esi
and ebx, 0xffff00e3
shr edx, 2
lea ecx, [ecx + ebx + 0x42]
mov ebx, dword [esp + 0x14]
shr ecx, 2
xor dl, cl
mov ecx, 0xe3
and ax, cx
and bp, cx
and di, cx
and si, cx
and dl, 0x1c
add eax, ebp
add eax, edi
mov edi, dword [esp + 0x18]
lea eax, [eax + esi + 0x42]
shr eax, 2
xor dl, al
mov eax, dword [esp + 0x10]
inc dword [esp + 0x10]
inc ebx
inc ebx
inc edi
inc edi
cmp ebx, dword [esp + 0x24]
mov byte [eax], dl
mov dword [esp + 0x14], ebx
mov dword [esp + 0x18], edi
jb 0x4e5837
mov ecx, dword [esp + 0x28]
mov ebp, dword [esp + 0x1c]
mov eax, dword [esp + 0x20]
mov esi, dword [esp + 0x2c]
mov edx, dword [ecx + 4]
add ebp, dword [edx + 0x60]
mov edx, dword [ecx]
mov edi, dword [edx + 0x60]
lea eax, [eax + edi*2]
cmp eax, esi
mov dword [esp + 0x1c], ebp
mov dword [esp + 0x20], eax
jb 0x4e5816
pop ebx
pop edi
pop esi
xor eax, eax
pop ebp
add esp, 0x20
ret
Function at 0x4e599d
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x24
mov edx, dword [ecx]
mov eax, dword [ecx + 4]
mov eax, dword [eax + 0x20]
push ebp
mov ebp, dword [edx + 0x60]
push edi
mov edi, dword [edx + 0x6c]
imul edi, ebp
mov dword [esp + 0xc], eax
mov eax, dword [edx + 0x20]
add edi, eax
cmp eax, edi
mov dword [esp + 0x24], ecx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x28], edi
jae 0x4e5ad2
push ebx
push esi
mov esi, 0xff1c
mov ebx, dword [esp + 0x14]
mov edx, dword [edx + 0x68]
lea edx, [eax + edx*2]
mov dword [esp + 0x10], ebx
add ebp, eax
cmp eax, edx
mov ebx, eax
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x20], ebp
mov dword [esp + 0x28], edx
jae 0x4e5ab2
movzx edx, word [ebx]
movzx edi, word [ebx + 2]
movzx eax, word [ebp + 2]
movzx ebp, word [ebp]
mov dword [esp + 0x18], edx
mov ebx, eax
mov ecx, 0xe3
and bx, cx
and dx, cx
add ebx, edx
mov edx, ebp
and dx, cx
add ebx, edx
mov edx, edi
and dx, cx
mov ecx, eax
and cx, si
and eax, esi
lea edx, [ebx + edx + 0x42]
mov ebx, dword [esp + 0x18]
and bx, si
shr edx, 2
add ecx, ebx
mov ebx, ebp
and bx, si
and ebp, esi
add ecx, ebx
mov ebx, edi
and bx, si
and edi, esi
lea ecx, [ecx + ebx + 0x208]
mov ebx, dword [esp + 0x1c]
shr ecx, 2
xor dl, cl
mov ecx, dword [esp + 0x18]
and ecx, esi
add eax, ecx
add eax, ebp
mov ebp, dword [esp + 0x20]
lea eax, [eax + edi + 0x208]
shr eax, 2
and edx, 0xffff00e3
xor edx, eax
mov eax, dword [esp + 0x10]
add dword [esp + 0x10], 2
add ebx, 4
add ebp, 4
cmp ebx, dword [esp + 0x28]
mov word [eax], dx
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x20], ebp
jb 0x4e59fd
mov ecx, dword [esp + 0x2c]
mov eax, dword [esp + 0x24]
mov edi, dword [esp + 0x30]
mov edx, dword [ecx + 4]
mov edx, dword [edx + 0x60]
add dword [esp + 0x14], edx
mov edx, dword [ecx]
mov ebp, dword [edx + 0x60]
lea eax, [eax + ebp*2]
cmp eax, edi
mov dword [esp + 0x24], eax
jb 0x4e59d7
pop esi
pop ebx
pop edi
xor eax, eax
pop ebp
add esp, 0x24
ret
Function at 0x4e5bec
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x24
mov edx, dword [ecx]
mov eax, dword [ecx + 4]
mov eax, dword [eax + 0x20]
push ebp
mov ebp, dword [edx + 0x60]
push edi
mov edi, dword [edx + 0x6c]
imul edi, ebp
mov dword [esp + 0xc], eax
mov eax, dword [edx + 0x20]
add edi, eax
cmp eax, edi
mov dword [esp + 0x24], ecx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x28], edi
jae 0x4e5d21
push ebx
push esi
mov esi, 0xff00
mov ebx, dword [esp + 0x14]
mov edx, dword [edx + 0x68]
lea edx, [eax + edx*2]
mov dword [esp + 0x10], ebx
add ebp, eax
cmp eax, edx
mov ebx, eax
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x20], ebp
mov dword [esp + 0x28], edx
jae 0x4e5d01
movzx edx, word [ebx]
movzx edi, word [ebx + 2]
movzx eax, word [ebp + 2]
movzx ebp, word [ebp]
mov dword [esp + 0x18], edx
mov ebx, eax
mov ecx, 0xff
and bx, cx
and dx, cx
add ebx, edx
mov edx, ebp
and dx, cx
add ebx, edx
mov edx, edi
and dx, cx
mov ecx, eax
and cx, si
and eax, esi
lea edx, [ebx + edx + 2]
mov ebx, dword [esp + 0x18]
and bx, si
shr edx, 2
add ecx, ebx
mov ebx, ebp
and bx, si
and ebp, esi
add ecx, ebx
mov ebx, edi
and bx, si
and edi, esi
lea ecx, [ecx + ebx + 0x200]
mov ebx, dword [esp + 0x1c]
shr ecx, 2
xor dl, cl
mov ecx, dword [esp + 0x18]
and ecx, esi
add eax, ecx
add eax, ebp
mov ebp, dword [esp + 0x20]
lea eax, [eax + edi + 0x200]
shr eax, 2
and edx, 0xffff00ff
xor edx, eax
mov eax, dword [esp + 0x10]
add dword [esp + 0x10], 2
add ebx, 4
add ebp, 4
cmp ebx, dword [esp + 0x28]
mov word [eax], dx
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x20], ebp
jb 0x4e5c4c
mov ecx, dword [esp + 0x2c]
mov eax, dword [esp + 0x24]
mov edi, dword [esp + 0x30]
mov edx, dword [ecx + 4]
mov edx, dword [edx + 0x60]
add dword [esp + 0x14], edx
mov edx, dword [ecx]
mov ebp, dword [edx + 0x60]
lea eax, [eax + ebp*2]
cmp eax, edi
mov dword [esp + 0x24], eax
jb 0x4e5c26
pop esi
pop ebx
pop edi
xor eax, eax
pop ebp
add esp, 0x24
ret
Function at 0x4e5d29
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x20
mov edx, dword [ecx]
mov eax, dword [ecx + 4]
push ebp
mov ebp, dword [eax + 0x20]
mov eax, dword [edx + 0x20]
push esi
mov esi, dword [edx + 0x6c]
push edi
mov edi, dword [edx + 0x60]
imul esi, edi
add esi, eax
cmp eax, esi
mov dword [esp + 0x24], ecx
mov dword [esp + 0x18], ebp
mov dword [esp + 0x1c], eax
mov dword [esp + 0x28], esi
jae 0x4e5e50
push ebx
mov edx, dword [edx + 0x68]
add edx, eax
add edi, eax
cmp eax, edx
mov ebx, eax
mov dword [esp + 0x10], ebp
mov dword [esp + 0x14], ebx
mov dword [esp + 0x18], edi
mov dword [esp + 0x24], edx
jae 0x4e5e31
movzx ebp, byte [ebx]
movzx esi, byte [ebx + 1]
movzx eax, byte [edi + 1]
movzx edi, byte [edi]
mov edx, eax
push 0xf
pop ecx
and edx, ecx
mov ebx, ebp
and ebx, ecx
add edx, ebx
mov ebx, edi
and ebx, ecx
add edx, ebx
mov ebx, esi
and ebx, ecx
lea edx, [edx + ebx + 2]
mov ecx, eax
and ecx, 0xffff00f0
mov ebx, ebp
and ebx, 0xffff00f0
add ecx, ebx
mov ebx, edi
and ebx, 0xffff00f0
add ecx, ebx
mov ebx, esi
and ebx, 0xffff00f0
shr edx, 2
lea ecx, [ecx + ebx + 0x20]
mov ebx, dword [esp + 0x14]
shr ecx, 2
xor dl, cl
mov ecx, 0xf0
and ax, cx
and bp, cx
and di, cx
and si, cx
and dl, 0xf
add eax, ebp
add eax, edi
mov edi, dword [esp + 0x18]
lea eax, [eax + esi + 0x20]
shr eax, 2
xor dl, al
mov eax, dword [esp + 0x10]
inc dword [esp + 0x10]
inc ebx
inc ebx
inc edi
inc edi
cmp ebx, dword [esp + 0x24]
mov byte [eax], dl
mov dword [esp + 0x14], ebx
mov dword [esp + 0x18], edi
jb 0x4e5d7f
mov ecx, dword [esp + 0x28]
mov ebp, dword [esp + 0x1c]
mov eax, dword [esp + 0x20]
mov esi, dword [esp + 0x2c]
mov edx, dword [ecx + 4]
add ebp, dword [edx + 0x60]
mov edx, dword [ecx]
mov edi, dword [edx + 0x60]
lea eax, [eax + edi*2]
cmp eax, esi
mov dword [esp + 0x1c], ebp
mov dword [esp + 0x20], eax
jb 0x4e5d5e
pop ebx
pop edi
pop esi
xor eax, eax
pop ebp
add esp, 0x20
ret
Function at 0x4f7ebf
Capabilities:
Get system information on windows
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
push edi
lea eax, [ebp - 4]
push eax
push 0x579720
push reloc.WS2_32.dll_bind
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
xor edi, edi
test eax, eax
jne 0x4f7f2d
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x10]
push eax
lea eax, [ebp - 0xc]
push eax
push edi
push str.DisableMMX
push dword [ebp - 4]
mov dword [ebp - 8], 4
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x4f7f24
cmp dword [ebp - 0xc], 4
jne 0x4f7f24
cmp dword [ebp - 0x10], edi
je 0x4f7f24
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov dword [0x59cea4], edi
xor eax, eax
jmp 0x4f7f6c
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
cmp dword [0x59cea4], edi
jge 0x4f7f67
lea eax, [ebp - 0x34]
push eax
mov dword [0x59cea4], edi
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
cmp word [ebp - 0x34], di
jne 0x4f7f67
cmp word [ebp - 0x14], 5
jb 0x4f7f67
call fcn.004f7e9a
test eax, eax
je 0x4f7f67
emms
mov dword [0x59cea4], 1
mov eax, dword [0x59cea4]
pop edi
leave
ret