joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4a1450
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.004b2250

Function at 0x4a2480
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
push eax
push edi
mov esi, dword [edi + eax*4 + 0x168]
call fcn.004a2760
add esp, 8
push 0
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push esi
call dword [sym.imp.WS2_32.dll_send]
mov ebx, eax
mov eax, dword [ebp + 0x18]
mov dword [eax], 0
cmp ebx, 0xffffffff
jne 0x4a2504
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x4a24dc
mov eax, dword [ebp + 0x18]
pop edi
pop esi
pop ebx
mov dword [eax], 0x51
xor eax, eax
pop ebp
ret
push esi
push edi
call fcn.004a04f0
push eax
push str.Send_failure:__s
push dword [edi]
call fcn.004a2140
mov eax, dword [edi]
add esp, 0x14
mov dword [eax + 0x85b8], esi
mov eax, dword [ebp + 0x18]
mov dword [eax], 0x37
pop edi
pop esi
mov eax, ebx
pop ebx
pop ebp
ret

Function at 0x4a2760
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 8]
mov edx, dword [ebp + 0xc]
mov eax, edx
push ebx
push esi
shl eax, 4
lea esi, [ecx + 0x18c]
mov ebx, dword [ecx + edx*4 + 0x168]
add esi, eax
mov eax, dword [ecx + 0x248]
push edi
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x3c], 3
je 0x4a2810
cmp dword [ecx + edx*4 + 0x17c], 0x4a23d0
jne 0x4a2810
cmp dword [esi], 0
je 0x4a27a8
test edi, edi
je 0x4a2810
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebx
call fcn.004b0830
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a2810
test al, 1
je 0x4a2810
cmp dword [esi], 0
jne 0x4a27f9
push 0x8000
mov dword [esi + 4], 0x8000
call dword [0x66fd24]
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 0x4a27f9
pop edi
mov dword [esi + 4], eax
pop esi
pop ebx
pop ebp
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 0x4a2810
add dword [esi + 8], eax
pop edi
pop esi
pop ebx
pop ebp
ret

Function at 0x4a2820
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
mov eax, dword [esi + 0x190]
test eax, eax
je 0x4a2849
push dword [esi + 0x11c]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push esi
call eax
add esp, 0x14
pop esi
pop ebp
ret
mov eax, dword [ebp + 0xc]
cmp eax, 2
ja 0x4a287f
push dword [esi + 0x118]
lea eax, [eax + eax*2]
push 1
add eax, 0x5f3878
push 2
push eax
call fcn.0048d090
push dword [esi + 0x118]
push 1
push dword [ebp + 0x14]
push dword [ebp + 0x10]
call fcn.0048d090
add esp, 0x20
xor eax, eax
pop esi
pop ebp
ret
Function at 0x4a8810
Capabilities:
Terminate process

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
test esi, esi
je 0x4a882e
cmp dword [esi + 0x48], 0
je 0x4a882e
push 2
push 3
push esi
call fcn.004b62a0
add esp, 0xc
push dword [ebp + 0xc]
call fcn.004b6a80
add esp, 4
test esi, esi
je 0x4a884e
cmp dword [esi + 0x48], 0
je 0x4a884e
push 3
push esi
call fcn.004b62e0
add esp, 8
pop esi
pop ebp
ret
Function at 0x4b0d80
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push esi
push edi
mov edi, dword [ebp + 8]
mov esi, dword [edi + 0x578]
test esi, esi
je 0x4b0dd4
mov eax, dword [edi + 0x44]
test eax, eax
jne 0x4b0da1
cmp dword [edi + 0x40], eax
je 0x4b0dd4
mov dword [ebp - 8], esi
mov byte [ebp - 4], 0
test eax, eax
jne 0x4b0daf
mov eax, dword [edi + 0x40]
push 0x4b1bc0
lea ecx, [ebp - 8]
add eax, 0x68
push ecx
push eax
call fcn.004bb4a0
add esp, 0xc
cmp byte [ebp - 4], 0
jne 0x4b0ddd
mov dword [edi + 0x578], 0
pop edi
or eax, 0xffffffff
pop esi
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp + 0xc]
test eax, eax
je 0x4b0de6
mov dword [eax], esi
cmp byte [esi + 0x1ac], 0
mov edi, dword [esi + 0x168]
je 0x4b0e0b
push esi
call fcn.004a1450
add esp, 4
test eax, eax
jne 0x4b0e23
pop edi
or eax, 0xffffffff
pop esi
mov esp, ebp
pop ebp
ret
cmp edi, 0xffffffff
je 0x4b0e23
push 2
push 1
lea eax, [ebp + 0xb]
push eax
push edi
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
je 0x4b0dd4
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x4b1270
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x675c48]
mov dword [ebp - 8], 0x4020
mov dword [ebp - 4], 0
mov dword [ebp - 0xc], 4
test eax, eax
jne 0x4b12c1
push 3
push 2
push eax
push 6
call fcn.004d08a0
add esp, 0x10
test al, al
je 0x4b12b5
mov dword [0x675c48], 2
mov esp, ebp
pop ebp
ret
mov dword [0x675c48], 1
jmp 0x4b12c6
cmp eax, 2
je 0x4b1306
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 4]
push eax
push 0x1001
push 0xffff
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_getsockopt]
test eax, eax
jne 0x4b12ed
mov eax, dword [ebp - 4]
cmp eax, dword [ebp - 8]
jg 0x4b1306
push 4
lea eax, [ebp - 8]
push eax
push 0x1001
push 0xffff
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_setsockopt]
mov esp, ebp
pop ebp
ret

Function at 0x4b13d0
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
mov edi, dword [ebp + 8]
lea eax, [ebp + 8]
push 4
push eax
push 1
mov esi, dword [edi]
push 6
push dword [ebp + 0xc]
mov dword [ebp + 8], 1
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4b1418
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.004a04f0
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.004a21e0
add esp, 0x14
pop edi
pop esi
pop ebp
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.004a21e0
add esp, 8
pop edi
pop esi
pop ebp
ret
Function at 0x4b1500
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x66f33c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push edi
mov edi, dword [ebp + 8]
cmp dword [edi + 0x8c], 2
mov ebx, dword [edi]
je 0x4b16da
cmp byte [edi + 0x21a], 0
push esi
jne 0x4b16d0
cmp byte [edi + 0x234], 0
jne 0x4b16d0
mov esi, dword [ebp + 0xc]
lea eax, [ebp - 0x108]
push eax
lea eax, [ebp - 0x104]
mov dword [ebp - 0x108], 0x80
push eax
push esi
call dword [sym.imp.WS2_32.dll_getpeername]
test eax, eax
je 0x4b1598
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004a04f0
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebx
call fcn.004a2140
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0045132d
mov esp, ebp
pop ebp
ret
push 0x80
lea eax, [ebp - 0x84]
mov dword [ebp - 0x108], 0x80
push 0
push eax
call fcn.0047be90
add esp, 0xc
lea eax, [ebp - 0x108]
push eax
lea eax, [ebp - 0x84]
push eax
push esi
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x4b1601
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004a04f0
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.004a2140
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0045132d
mov esp, ebp
pop ebp
ret
lea eax, [edi + 0xfc]
push eax
lea esi, [edi + 0xcc]
lea eax, [ebp - 0x104]
push esi
push eax
call fcn.004b1be0
add esp, 0xc
test al, al
jne 0x4b1652
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004a04f0
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004a2140
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0045132d
mov esp, ebp
pop ebp
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 + 0x130]
push eax
lea eax, [edi + 0x100]
push eax
lea eax, [ebp - 0x84]
push eax
call fcn.004b1be0
add esp, 0xc
test al, al
jne 0x4b16d0
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004a04f0
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004a2140
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0045132d
mov esp, ebp
pop ebp
ret
push edi
call fcn.004b11b0
add esp, 4
pop esi
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop ebx
call fcn.0045132d
mov esp, ebp
pop ebp
ret
Function at 0x4b1f60
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x66f33c]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
xor eax, eax
push edi
mov edi, dword [ebp + 0xc]
push 4
cmp byte [esi + 0x3ec], al
setne al
mov dword [ebp - 0x14], eax
lea eax, [ebp - 0x14]
push eax
push 8
push 0xffff
push edi
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4b1fbd
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.004a21e0
add esp, 0xc
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0045132d
mov esp, ebp
pop ebp
ret
push dword [esi + 0x3f0]
mov dword [ebp - 0x10], 1
call fcn.004b6340
push dword [esi + 0x3f4]
imul eax, eax, 0x3e8
mov dword [ebp - 0x14], eax
mov dword [ebp - 0xc], eax
call fcn.004b6340
add esp, 8
imul eax, eax, 0x3e8
push 0
push 0
mov dword [ebp - 0x14], eax
mov dword [ebp - 8], eax
lea eax, [ebp - 0x18]
push eax
push 0
push 0
push 0xc
lea eax, [ebp - 0x10]
push eax
push 0x98000004
push edi
call dword [sym.imp.WS2_32.dll_WSAIoctl]
test eax, eax
je 0x4b202d
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.004a21e0
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.0045132d
mov esp, ebp
pop ebp
ret

Function at 0x4b6320
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x10]
call fcn.004b6350
add esp, 4
mov dword [ebp + 0x10], eax
pop ebp
jmp fcn.00492650
Function at 0x4be280
Capabilities:
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [ebp + 0x14]
push ebx
xor ebx, ebx
mov dword [ebp - 4], ebx
mov dword [eax], ebx
lea eax, [ebp - 8]
push eax
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [ebp - 0xc], eax
test eax, eax
jne 0x4be3fb
push edi
mov edi, dword [ebp - 8]
test edi, edi
je 0x4be3e7
push esi
nop dword [eax]
cmp dword [edi + 4], 2
jne 0x4be378
cmp dword [edi + 0x18], 0
je 0x4be378
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4be378
cmp eax, 0x10
jb 0x4be378
push 0x20
call dword [0x66fd24]
mov esi, eax
add esp, 4
test esi, esi
je 0x4be3dc
mov eax, dword [edi]
mov dword [esi], eax
mov eax, dword [edi + 4]
mov dword [esi + 4], eax
mov eax, dword [edi + 8]
mov dword [esi + 8], eax
mov eax, dword [edi + 0xc]
push 0x10
mov dword [esi + 0xc], eax
mov dword [esi + 0x10], 0x10
mov dword [esi + 0x18], 0
mov dword [esi + 0x14], 0
mov dword [esi + 0x1c], 0
call dword [0x66fd24]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4be3cb
mov ecx, dword [edi + 0x18]
movups xmm0, xmmword [ecx]
movups xmmword [eax], xmm0
mov eax, dword [edi + 0x14]
test eax, eax
je 0x4be366
push eax
call dword [0x66fd30]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4be3b1
mov eax, dword [ebp - 4]
test ebx, ebx
cmove ebx, esi
test eax, eax
je 0x4be375
mov dword [eax + 0x1c], esi
mov dword [ebp - 4], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4be2c0
mov edi, dword [ebp - 0xc]
mov eax, dword [ebp - 8]
pop esi
test eax, eax
je 0x4be395
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test edi, edi
je 0x4be3e3
push ebx
call fcn.004be240
mov eax, dword [ebp + 0x14]
add esp, 4
xor ebx, ebx
mov dword [eax], ebx
mov eax, edi
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
push dword [esi + 0x18]
mov edi, 8
call dword [0x66fd28]
push esi
call dword [0x66fd28]
add esp, 8
jmp 0x4be386
push esi
mov edi, 8
call dword [0x66fd28]
add esp, 4
jmp 0x4be386
mov edi, 8
jmp 0x4be386
test ebx, ebx
jne 0x4be3f3
mov edi, 0x2af9
push edi
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [ebp + 0x14]
mov dword [eax], ebx
mov eax, edi
pop edi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x4be620
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push 0
push 0
push dword [ebp + 0xc]
push dword [ebp + 8]
push 0
push 0
call fcn.005d3501
add esp, 0x18
test eax, eax
je 0x4be642
cmp eax, 0xffffffff
jne 0x4be644
xor eax, eax
pop ebp
ret
Function at 0x4c3800
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x66f33c]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
lea eax, [ebp - 0x194]
push eax
push 2
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x4c384d
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004a2140
add esp, 0xc
mov eax, 2
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0045132d
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x4c3875
shr eax, 8
test al, al
jne 0x4c3875
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0045132d
mov esp, ebp
pop ebp
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004a2140
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 2
pop esi
call fcn.0045132d
mov esp, ebp
pop ebp
ret

Function at 0x4c40a0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0x10]
push ebx
mov ebx, dword [ebp + 0xc]
push esi
mov esi, dword [ebp + 8]
push edi
push 0
mov byte [ebp + 0xa], al
lea eax, [ebp + 8]
mov edi, dword [esi]
push 3
push eax
push dword [esi + 0x168]
mov byte [ebp + 8], 0xff
mov byte [ebp + 9], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c40e8
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004a2140
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push dword [esi]
call fcn.004c3990
add esp, 0x10
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x4c41c0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
cmp dword [ebp + 0xc], 0x1f
mov eax, dword [ebp + 8]
push ebx
mov eax, dword [eax]
mov dword [ebp - 4], eax
mov ebx, dword [eax + 0x114]
jne 0x4c4316
push edi
lea eax, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], eax
cmp eax, edi
jae 0x4c41f7
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c4202
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c420d
mov byte [eax], 0x1f
inc dword [edi]
movzx eax, word [ebx + 0x1ca8]
push esi
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
mov word [ebp - 0xc], ax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov ecx, dword [edi]
mov word [ebp - 0x14], ax
cmp ecx, edi
jae 0x4c423d
mov al, byte [ebp - 0xc]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4c424a
mov al, byte [ebp - 0xb]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4c4257
mov al, byte [ebp - 0x14]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4c4264
mov al, byte [ebp - 0x13]
mov byte [ecx], al
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c426f
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c427a
mov byte [eax], 0xf0
inc dword [edi]
mov eax, dword [edi]
lea esi, [ebx + 0x1cb0]
mov dword [ebx + 0x1eb4], eax
sub eax, esi
sub eax, 2
mov dword [edi], esi
mov edi, dword [ebp - 4]
push eax
lea eax, [ebx + 0x1cb2]
push eax
push 0x3e
push edi
call fcn.004c3a90
add esp, 0x10
push 0
push 3
push esi
mov esi, dword [ebp + 8]
push dword [esi + 0x168]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c42d2
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004a2140
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push esi
call fcn.004c4100
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [esi + 0x168]
call dword [sym.imp.WS2_32.dll_send]
pop esi
test eax, eax
jns 0x4c4315
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004a2140
add esp, 0xc
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4c4470
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x66f33c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
lea eax, [ebp - 0x104]
push 0x80
push 0
push eax
mov dword [ebp - 0x90c], edi
call fcn.0047be90
push 0x80
lea eax, [ebp - 0x84]
push 0
push eax
call fcn.0047be90
mov ebx, dword [edi]
mov dword [ebp - 0x908], ebx
mov esi, dword [ebx + 0x114]
mov eax, dword [esi + 0x1eb4]
sub eax, dword [esi + 0x1eb0]
add eax, 2
push eax
lea eax, [esi + 0x1cb0]
push eax
push 0x3c
push ebx
call fcn.004c3a90
mov eax, dword [esi + 0x1eb0]
add esp, 0x28
movzx ecx, byte [eax]
inc eax
mov dword [esi + 0x1eb0], eax
cmp ecx, 0x18
je 0x4c4658
cmp ecx, 0x23
je 0x4c4632
cmp ecx, 0x27
jne 0x4c46e6
push 0
push ecx
push 0xfa
push 0xff
push 0x5f5fac
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.004a2a20
mov esi, dword [esi + 0x1cac]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x4c45d1
nop
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c4557
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x4c45bf
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.00407970
add esp, 0x10
test eax, eax
je 0x4c45bf
lea eax, [ebp - 0x84]
push eax
push 1
lea eax, [ebp - 0x104]
push eax
push 0
mov eax, 0x800
sub eax, edi
push str._c_s_c_s
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.004a2a20
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x4c4550
mov ebx, dword [ebp - 0x908]
mov eax, 0x800
push 0xf0
push 0xff
sub eax, edi
push str._c_c
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.004a2a20
add esp, 0x14
lea eax, [edi + 2]
push 0
push eax
lea eax, [ebp - 0x904]
push eax
mov eax, dword [ebp - 0x90c]
push dword [eax + 0x168]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c462c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004a2140
add esp, 0xc
push edi
jmp 0x4c46d4
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c4640
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x4c4679
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c4663
push 0xf0
push 0xff
push edx
push 0
push 0x18
push 0xfa
push 0xff
push str._c_c_c_c_s_c_c
sub ecx, esi
lea eax, [ebp - 0x904]
push 0x800
push eax
lea esi, [ecx + 6]
call fcn.004a2a20
add esp, 0x28
lea eax, [ebp - 0x904]
push 0
push esi
push eax
push dword [edi + 0x168]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c46d0
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004a2140
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.004c3a90
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0045132d
mov esp, ebp
pop ebp
ret
Function at 0x4c5330
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x66f33c]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
mov esi, dword [eax + 0x3f8]
mov edi, dword [eax]
lea ebx, [esi + 0x15c]
mov dword [ebp - 0x8c], eax
lea eax, [ebp - 0x88]
push eax
mov dword [ebp - 0x88], 0x80
lea eax, [ebp - 0x84]
push eax
mov eax, dword [esi + 0x154]
push 0
add eax, 4
push eax
push dword [ebx]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [esi + 0x148], 0
mov dword [esi + 0x14c], eax
jne 0x4c53c3
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [esi + 0xc8]
push eax
call fcn.0047b910
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [esi + 0x148], eax
mov edx, dword [esi + 0x14c]
cmp edx, 4
jge 0x4c53f6
push str.Received_too_short_packet
push edi
call fcn.004a2140
add esp, 8
mov dword [esi + 0xc], 7
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0045132d
mov esp, ebp
pop ebp
ret
push ebx
call fcn.004c4f30
movzx eax, ax
add esp, 4
mov dword [esi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x4c5411
jmp dword [eax*4 + 0x4c5528]
cmp edx, 4
jle case.0x4c5411.4
push ebx
call fcn.004c4f10
movzx ecx, word [esi + 0x40]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x4c5411.4
lea eax, [edx - 4]
push eax
mov eax, dword [ebx]
add eax, 4
push eax
push 1
push dword [ebp - 0x8c]
call fcn.004a2030
mov ebx, eax
add esp, 0x10
test ebx, ebx
je 0x4c5476
push 5
push esi
call fcn.004c5c30
add esp, 8
mov eax, ebx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0045132d
mov esp, ebp
pop ebp
ret
mov eax, dword [esi + 0x14c]
sub eax, 4
cdq
add dword [edi + 0x70], eax
adc dword [edi + 0x74], edx
push dword [edi + 0x74]
push dword [edi + 0x70]
push edi
call fcn.004b53d0
jmp 0x4c54ee
push ebx
call fcn.004c4f10
movzx eax, ax
mov dword [esi + 8], eax
mov eax, dword [ebx]
add eax, 4
push eax
push 0x5f3e68
push edi
call fcn.004a21e0
add esp, 0x10
jmp case.0x4c5411.4
lea eax, [edx - 2]
push eax
mov eax, dword [ebx]
add eax, 2
push eax
push esi
call fcn.004c50e0
add esp, 0xc
test eax, eax
je case.0x4c5411.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0045132d
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x5e6938
push edi
call fcn.004a2140
add esp, 0xc
push dword [ebp - 0x8c]
call fcn.004b5740
add esp, 4
test eax, eax
je 0x4c53e3
push 5
push esi
call fcn.004c5c30
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.0045132d
mov esp, ebp
pop ebp
ret