joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4a0c70
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov eax, 0x2c
call fcn.004f9d30
mov eax, dword [0x593a34]
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 0x4a0e35
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 0x4a0dc5
push dword [esp + 0x20]
lea eax, [esp + 0x18]
push eax
call fcn.004a0680
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 0x4a0d60
test ebp, ebp
mov ebp, dword [esp + 0x24]
je 0x4a0e1c
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.004f9a6e
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.004f9a6e
add esp, 0x2c
ret
Function at 0x4a3790
Capabilities:
Encode data using xor

Disassembly:
mov eax, 8
call fcn.004f9d30
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 0x4a37dd
mov edx, dword [esp + 0x30]
test esi, esi
je 0x4a37dd
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 0x4a37c0
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 0x4a3897
mov edi, ebx
nop
mov ebx, esi
shr ebx, 4
add edx, ebx
mov dword [esp + 0x24], edx
cmp edx, ebx
jae 0x4a3827
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 0x4a3879
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 0x4a3863
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 0x4a3810
mov edi, dword [esp + 0x14]
mov ebx, dword [esp + 0x2c]
test esi, esi
je 0x4a3905
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 0x4a38e2
push ebx
call fcn.004a3950
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 0x4a38f3
mov eax, dword [esp + 0x34]
mov dword [eax], edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
Function at 0x4a3f60
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 8]
mov eax, dword [ebx + 0x38]
or eax, dword [ebx + 0x3c]
je 0x4a3f74
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 0x4a4029
jb 0x4a3f99
test eax, eax
jne 0x4a4029
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 0x4a3fd9
nop
test esi, esi
je 0x4a3fc5
mov al, byte [ebp]
dec esi
xor byte [edi + ebx + 0x40], al
inc ebp
inc edi
and edi, 0xf
jne 0x4a3fb0
jmp 0x4a3fc9
test edi, edi
jne 0x4a401c
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.004a5280
add esp, 8
mov eax, esi
and eax, 0xfffffff0
mov dword [esp + 0x14], eax
je 0x4a3ffe
push eax
push ebp
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.004a5040
add ebp, dword [esp + 0x24]
add esp, 0x10
sub esi, dword [esp + 0x14]
test esi, esi
je 0x4a401c
xor ecx, ecx
mov edi, esi
test esi, esi
je 0x4a401c
nop word [eax + eax]
mov al, byte [ecx + ebp]
xor byte [ebx + ecx + 0x40], al
inc ecx
cmp ecx, esi
jb 0x4a4010
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
Function at 0x4a5280
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x14
call fcn.004f9d30
mov eax, dword [esp + 0x18]
push ebx
push ebp
push esi
movzx ecx, byte [eax + 0xf]
mov esi, dword [esp + 0x28]
mov ebp, ecx
and ecx, 0xf
mov dword [esp + 0x24], 0
add ecx, ecx
and ebp, 0xfffffff0
push edi
mov ebx, dword [esi + ecx*8]
mov edi, dword [esi + ecx*8 + 4]
mov edx, dword [esi + ecx*8 + 8]
mov ecx, dword [esi + ecx*8 + 0xc]
mov esi, edx
shrd edx, ecx, 4
and esi, 0xf
mov dword [esp + 0x14], ebx
or dword [esp + 0x28], edx
shl dword [esp + 0x14], 0x1c
shrd ebx, edi, 4
mov edx, dword [esi*4 + 0x56adc8]
mov esi, dword [esp + 0x2c]
shr ecx, 4
or dword [esp + 0x14], ecx
xor ecx, ecx
shr edi, 4
xor ecx, ebx
xor ecx, dword [esi + ebp]
xor edx, edi
xor edx, dword [esi + ebp + 4]
mov edi, dword [esp + 0x28]
mov ebx, dword [esp + 0x14]
xor edi, dword [esi + ebp + 8]
xor ebx, dword [esi + ebp + 0xc]
mov dword [esp + 0x18], edx
mov edx, 0xe
mov dword [esp + 0x10], ecx
mov dword [esp + 0x1c], edx
nop dword [eax + eax]
movzx edx, byte [edx + eax]
xor esi, esi
mov ebp, dword [esp + 0x10]
mov ecx, edx
shr ecx, 4
and edx, 0xf
mov dword [esp + 0x20], ecx
add edx, edx
mov ecx, edi
shl ebp, 0x1c
shrd edi, ebx, 4
and ecx, 0xf
mov dword [esp + 0x28], 0
shr ebx, 4
or esi, edi
or ebp, ebx
xor edi, edi
mov ebx, dword [ecx*4 + 0x56adc8]
mov ecx, dword [esp + 0x18]
shrd dword [esp + 0x10], ecx, 4
xor edi, dword [esp + 0x10]
shr ecx, 4
xor ebx, ecx
mov ecx, dword [esp + 0x2c]
xor ebx, dword [ecx + edx*8 + 4]
xor ebp, dword [ecx + edx*8 + 0xc]
xor edi, dword [ecx + edx*8]
xor esi, dword [ecx + edx*8 + 8]
mov edx, edi
shrd edi, ebx, 4
mov ecx, esi
shl edx, 0x1c
shrd esi, ebp, 4
and ecx, 0xf
shr ebx, 4
or dword [esp + 0x28], esi
shr ebp, 4
or edx, ebp
xor ebp, ebp
mov ecx, dword [ecx*4 + 0x56adc8]
xor ebp, edi
xor ecx, ebx
mov dword [esp + 0x14], edx
mov edx, dword [esp + 0x20]
mov ebx, ebp
add edx, edx
mov dword [esp + 0x10], ebp
mov ebp, dword [esp + 0x2c]
xor ebx, dword [ebp + edx*8]
xor ecx, dword [ebp + edx*8 + 4]
mov dword [esp + 0x10], ebx
mov ebx, dword [esp + 0x28]
xor ebx, dword [ebp + edx*8 + 8]
mov dword [esp + 0x28], ebx
mov ebx, dword [esp + 0x14]
xor ebx, dword [ebp + edx*8 + 0xc]
mov edx, dword [esp + 0x1c]
mov edi, dword [esp + 0x28]
sub edx, 1
mov dword [esp + 0x18], ecx
mov dword [esp + 0x1c], edx
jns 0x4a5320
mov edx, dword [esp + 0x18]
shr ecx, 0x18
mov byte [eax], cl
mov ecx, edx
shr ecx, 0x10
mov byte [eax + 1], cl
mov ecx, edx
shr ecx, 8
mov byte [eax + 2], cl
mov byte [eax + 3], dl
mov edx, dword [esp + 0x10]
mov ecx, edx
shr ecx, 0x18
mov byte [eax + 4], cl
mov ecx, edx
shr ecx, 0x10
mov byte [eax + 5], cl
mov ecx, edx
shr ecx, 8
mov byte [eax + 6], cl
mov ecx, ebx
shr ecx, 0x18
mov byte [eax + 8], cl
mov ecx, ebx
shr ecx, 0x10
mov byte [eax + 9], cl
mov ecx, ebx
shr ecx, 8
mov byte [eax + 0xa], cl
mov byte [eax + 7], dl
mov edx, edi
mov ecx, edx
mov byte [eax + 0xb], bl
shr ecx, 0x18
mov byte [eax + 0xc], cl
mov ecx, edx
shr ecx, 0x10
pop edi
mov byte [eax + 0xd], cl
mov ecx, edx
pop esi
shr ecx, 8
pop ebp
mov byte [eax + 0xe], cl
mov byte [eax + 0xf], dl
pop ebx
add esp, 0x14
ret
Function at 0x4a7d40
Capabilities:
Contain obfuscated stackstrings
Encode data using xor
Encrypt data using salsa20 or chacha

Disassembly:
mov eax, 0x98
call fcn.004f9d30
mov eax, dword [0x593a34]
xor eax, esp
mov dword [esp + 0x94], eax
mov ecx, dword [esp + 0xa8]
push edi
mov edi, dword [esp + 0xa0]
mov dword [esp + 4], edi
mov eax, dword [ecx]
mov dword [esp + 0x68], eax
mov eax, dword [ecx + 4]
mov dword [esp + 0x6c], eax
mov eax, dword [ecx + 8]
mov dword [esp + 0x70], eax
mov eax, dword [ecx + 0xc]
mov dword [esp + 0x74], eax
mov eax, dword [ecx + 0x10]
mov dword [esp + 0x78], eax
mov eax, dword [ecx + 0x14]
mov dword [esp + 0x7c], eax
mov eax, dword [ecx + 0x18]
mov dword [esp + 0x80], eax
mov eax, dword [ecx + 0x1c]
mov ecx, dword [esp + 0xb0]
mov dword [esp + 0x84], eax
mov dword [esp + 0x58], 0x61707865
mov dword [esp + 0x5c], 0x3320646e
mov eax, dword [ecx]
mov dword [esp + 0x88], eax
mov eax, dword [ecx + 4]
mov dword [esp + 0x8c], eax
mov eax, dword [ecx + 8]
mov dword [esp + 0x90], eax
mov eax, dword [ecx + 0xc]
mov dword [esp + 0x94], eax
mov eax, dword [esp + 0xa8]
mov dword [esp + 0x60], 0x79622d32
mov dword [esp + 0x64], 0x6b206574
test eax, eax
je 0x4a7f3d
push ebx
mov ebx, dword [esp + 0xa8]
push ebp
push esi
nop
mov esi, 0x40
cmp eax, esi
cmovb esi, eax
lea eax, [esp + 0x64]
push eax
lea eax, [esp + 0x28]
mov dword [esp + 0x24], esi
push eax
call fcn.004a7f60
add esp, 8
xor eax, eax
test esi, esi
je 0x4a7f0c
cmp esi, 0x20
jb 0x4a7ee4
lea edx, [edi - 1]
lea ecx, [esp + esi + 0x23]
add edx, esi
cmp edi, ecx
ja 0x4a7e5c
lea ecx, [esp + 0x24]
cmp edx, ecx
jae 0x4a7ee4
lea ecx, [ebx - 1]
add ecx, esi
cmp edi, ecx
ja 0x4a7e69
cmp edx, ebx
jae 0x4a7ee4
mov ebp, esi
lea edx, [edi + 0x10]
lea esi, [esp + 0x24]
mov ecx, ebx
sub ecx, esi
and ebp, 0xffffffe0
mov dword [esp + 0x14], ecx
mov ecx, edi
sub ecx, esi
mov dword [esp + 0x18], ecx
mov ecx, ebx
mov ebx, dword [esp + 0x14]
sub ecx, edi
mov esi, dword [esp + 0x18]
mov edi, ecx
mov dword [esp + 0x1c], ecx
nop word [eax + eax]
movups xmm0, xmmword [esp + eax + 0x24]
lea ecx, [ebx + eax]
movups xmm1, xmmword [esp + ecx + 0x24]
lea ecx, [esi + eax]
lea edx, [edx + 0x20]
pxor xmm1, xmm0
movups xmm0, xmmword [esp + eax + 0x34]
add eax, 0x20
movups xmmword [esp + ecx + 0x24], xmm1
movups xmm1, xmmword [edi + edx - 0x20]
pxor xmm1, xmm0
movups xmmword [edx - 0x20], xmm1
cmp eax, ebp
jb 0x4a7ea0
mov esi, dword [esp + 0x20]
mov edi, dword [esp + 0x10]
mov ebx, dword [esp + 0xb0]
cmp eax, esi
jae 0x4a7f0c
lea ecx, [esp + 0x24]
mov ebp, edi
sub ebx, ecx
sub ebp, ecx
lea edx, [esp + 0x24]
add edx, eax
inc eax
mov cl, byte [ebx + edx]
xor cl, byte [edx]
mov byte [edx + ebp], cl
cmp eax, esi
jb 0x4a7ef2
mov ebx, dword [esp + 0xb0]
mov eax, dword [esp + 0xb4]
add edi, esi
inc dword [esp + 0x94]
sub eax, esi
add ebx, esi
mov dword [esp + 0x10], edi
mov dword [esp + 0xb0], ebx
mov dword [esp + 0xb4], eax
test eax, eax
jne 0x4a7e10
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x98]
pop edi
xor ecx, esp
call fcn.004f9a6e
add esp, 0x98
ret
Function at 0x4ab040
Capabilities:
Encode data using xor

Disassembly:
cmp dword [esp + 0x18], 0
je 0x4ab054
mov dword [esp + 0x18], fcn.004a9820
jmp fcn.004a34e0
mov dword [esp + 0x18], fcn.004a8ac0
jmp fcn.004a3220
Function at 0x4bd580
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x593a34]
xor eax, esp
mov dword [esp + 0x190], eax
lea eax, [esp]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x4bd5d5
mov eax, dword [esp]
cmp al, 2
jne 0x4bd5cf
shr eax, 8
cmp al, 2
jne 0x4bd5cf
call fcn.004c1eb0
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.004f9a6e
add esp, 0x194
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov ecx, dword [esp + 0x190]
mov eax, 2
xor ecx, esp
call fcn.004f9a6e
add esp, 0x194
ret

Function at 0x4c28d0
Capabilities:
Terminate process

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x4c28ec
cmp dword [esi + 0x48], 0
je 0x4c28ec
push 2
push 3
push esi
call fcn.004d7800
add esp, 0xc
push dword [esp + 0xc]
call fcn.004d0a60
add esp, 4
test esi, esi
je 0x4c290d
cmp dword [esi + 0x48], 0
je 0x4c290d
push 3
push esi
call fcn.004d7840
add esp, 8
pop esi
ret

Function at 0x4c3050
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x3a8], 2
je fcn.004c3000
mov al, 1
ret
Function at 0x4ccd70
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esp + 8]
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x14]
push eax
push edi
mov esi, dword [edi + eax*4 + 0x190]
call fcn.004cd1a0
add esp, 8
push 0
push dword [esp + 0x24]
push dword [esp + 0x24]
push esi
call dword [sym.imp.WS2_32.dll_send]
mov ebp, dword [esp + 0x24]
mov ebx, eax
mov dword [ebp], 0
cmp ebx, 0xffffffff
jne 0x4ccdf6
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x4ccdce
pop edi
pop esi
mov dword [ebp], 0x51
xor eax, eax
pop ebp
pop ebx
ret
push esi
push edi
call fcn.004d9e60
push eax
push str.Send_failure:__s
push dword [edi]
call fcn.004cc960
mov eax, dword [edi]
add esp, 0x14
mov dword [eax + 0x4694], esi
mov eax, ebx
mov dword [ebp], 0x37
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x4cd1a0
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov ecx, dword [esp + 4]
mov edx, dword [esp + 8]
mov eax, edx
push ebx
push esi
shl eax, 4
lea esi, [ecx + 0x1b4]
mov ebx, dword [ecx + edx*4 + 0x190]
add esi, eax
mov eax, dword [ecx + 0x3a0]
push edi
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x3c], 3
je 0x4cd250
cmp dword [ecx + edx*4 + 0x1a4], 0x4cccd0
jne 0x4cd250
cmp dword [esi], 0
je 0x4cd1e7
test edi, edi
je 0x4cd250
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebx
call fcn.004cc2b0
add esp, 0x14
cmp eax, 0xffffffff
je 0x4cd250
test al, 1
je 0x4cd250
cmp dword [esi], 0
jne 0x4cd239
push 0x8000
mov dword [esi + 4], 0x8000
call dword [0x593990]
mov edi, dword [esi + 4]
add esp, 4
mov dword [esi], eax
mov dword [esi + 8], 0
mov dword [esi + 0xc], 0
test eax, eax
jne 0x4cd239
pop edi
mov dword [esi + 4], eax
pop esi
pop ebx
ret
mov eax, dword [esi]
add eax, dword [esi + 8]
push 0
push edi
push eax
push ebx
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x4cd250
add dword [esi + 8], eax
pop edi
pop esi
pop ebx
ret

Function at 0x4cd390
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov eax, dword [esp + 4]
cmp byte [eax + 0x1d4], 0
je 0x4cd3ad
push eax
call fcn.0040fff0
add esp, 4
test eax, eax
jne 0x4cd3cf
xor al, al
ret
mov eax, dword [eax + 0x190]
cmp eax, 0xffffffff
je 0x4cd3aa
push 2
push 1
lea ecx, [esp + 0xc]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jne 0x4cd3cf
xor al, al
ret
mov al, 1
ret

Function at 0x4cdd60
Capabilities:
Set socket configuration

Disassembly:
push esi
push edi
mov edi, dword [esp + 0xc]
lea eax, [esp + 0xc]
push 4
push eax
push 1
mov esi, dword [edi]
push 6
push dword [esp + 0x20]
mov dword [esp + 0x20], 1
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4cdda8
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.004d9e60
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.004cca40
add esp, 0x14
pop edi
pop esi
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.004cca40
add esp, 8
pop edi
pop esi
ret
Function at 0x4cdeb0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x108
mov eax, dword [0x593a34]
xor eax, esp
mov dword [esp + 0x104], eax
push ebx
push edi
mov edi, dword [esp + 0x114]
cmp dword [edi + 0x8c], 2
mov ebx, dword [edi]
je 0x4ce0a3
cmp byte [edi + 0x366], 0
push esi
jne 0x4ce099
cmp byte [edi + 0x382], 0
jne 0x4ce099
mov esi, dword [esp + 0x11c]
lea eax, [esp + 0xc]
push eax
lea eax, [esp + 0x94]
mov dword [esp + 0x10], 0x80
push eax
push esi
call dword [sym.imp.WS2_32.dll_getpeername]
test eax, eax
je 0x4cdf55
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004d9e60
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebx
call fcn.004cc960
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004f9a6e
add esp, 0x108
ret
push 0x80
lea eax, [esp + 0x14]
mov dword [esp + 0x10], 0x80
push 0
push eax
call fcn.004fbc30
add esp, 0xc
lea eax, [esp + 0xc]
push eax
lea eax, [esp + 0x14]
push eax
push esi
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x4cdfbd
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004d9e60
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.004cc960
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004f9a6e
add esp, 0x108
ret
lea eax, [edi + 0x130]
push eax
lea esi, [edi + 0x102]
lea eax, [esp + 0x94]
push esi
push eax
call fcn.004ce5b0
add esp, 0xc
test al, al
jne 0x4ce016
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004d9e60
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004cc960
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004f9a6e
add esp, 0x108
ret
movups xmm0, xmmword [esi]
mov eax, dword [esi + 0x28]
movups xmmword [edi + 0x58], xmm0
movups xmm0, xmmword [esi + 0x10]
movups xmmword [edi + 0x68], xmm0
movq xmm0, qword [esi + 0x20]
movq qword [edi + 0x78], xmm0
mov dword [edi + 0x80], eax
mov ax, word [esi + 0x2c]
mov word [edi + 0x84], ax
lea eax, [edi + 0x164]
push eax
lea eax, [edi + 0x134]
push eax
lea eax, [esp + 0x18]
push eax
call fcn.004ce5b0
add esp, 0xc
test al, al
jne 0x4ce099
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004d9e60
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004cc960
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004f9a6e
add esp, 0x108
ret
push edi
call fcn.004cdaf0
add esp, 4
pop esi
mov ecx, dword [esp + 0x10c]
pop edi
pop ebx
xor ecx, esp
call fcn.004f9a6e
add esp, 0x108
ret
Function at 0x4ce930
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x18
mov eax, dword [0x593a34]
xor eax, esp
mov dword [esp + 0x14], eax
push esi
mov esi, dword [esp + 0x20]
xor eax, eax
push edi
mov edi, dword [esp + 0x28]
push 4
cmp byte [esi + 0x49c], al
setne al
mov dword [esp + 0xc], eax
lea eax, [esp + 0xc]
push eax
push 8
push 0xffff
push edi
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4ce990
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.004cca40
add esp, 0xc
pop edi
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.004f9a6e
add esp, 0x18
ret
push dword [esi + 0x4a0]
mov dword [esp + 0x14], 1
call fcn.004d6810
push dword [esi + 0x4a4]
imul eax, eax, 0x3e8
mov dword [esp + 0x10], eax
mov dword [esp + 0x1c], eax
call fcn.004d6810
add esp, 8
imul eax, eax, 0x3e8
push 0
push 0
mov dword [esp + 0x10], eax
mov dword [esp + 0x20], eax
lea eax, [esp + 0x14]
push eax
push 0
push 0
push 0xc
lea eax, [esp + 0x28]
push eax
push 0x98000004
push edi
call dword [sym.imp.WS2_32.dll_WSAIoctl]
test eax, eax
je 0x4cea07
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
push str.Failed_to_set_SIO_KEEPALIVE_VALS_on_fd__d:__d_n
push esi
call fcn.004cca40
add esp, 0x10
mov ecx, dword [esp + 0x1c]
pop edi
pop esi
xor ecx, esp
call fcn.004f9a6e
add esp, 0x18
ret
Function at 0x4d9030
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push 0x571d90
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x4d904a
pop edi
pop ebx
pop ecx
ret
push ebp
push esi
push str.LoadLibraryExA
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [esp + 0x18]
mov ebp, eax
push 0x571dac
push esi
call fcn.005103b0
add esp, 8
test eax, eax
je 0x4d9092
test ebp, ebp
je 0x4d9083
push 8
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
test ebp, ebp
je 0x4d90b8
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4d90b8
push 0x800
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
mov edx, eax
mov dword [esp + 0x10], edx
test edx, edx
je 0x4d916f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4d90d5
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x593990]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4d9165
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4d9165
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4d9107
sub ecx, edx
mov eax, 0x5c
mov word [ecx + ebx], ax
mov ecx, ebx
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4d9120
sub ecx, edx
add ecx, ebx
sub ecx, esi
nop dword [eax]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x4d9130
test ebp, ebp
je 0x4d915c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x593994]
add esp, 4
mov eax, edi
pop esi
pop ebp
pop edi
pop ebx
pop ecx
ret
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
push ebx
call dword [0x593994]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret