joyce8/EMBER2024-capa huggingface dataset:
Function at 0x435e70
Capabilities:
Extract resource via kernel32 functions
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
push 0xfffffffffffffffe
push 0x4b40b8
push 0x46f5e0
mov eax, dword fs:[0]
push eax
sub esp, 0x20
push ebx
push esi
push edi
mov eax, dword [0x4b81bc]
xor dword [ebp - 8], eax
xor eax, ebp
push eax
lea eax, [ebp - 0x10]
mov dword fs:[0], eax
mov dword [ebp - 0x18], esp
mov dword [ebp - 0x28], ecx
xor eax, eax
mov dword [ebp - 0x1c], eax
xor esi, esi
xor edi, edi
mov dword [ebp - 0x20], edi
xor ebx, ebx
mov dword [ebp - 0x24], ebx
cmp dword [ebp + 8], 2
jae 0x435ed9
push 0x7a
call dword [sym.imp.KERNEL32.dll_SetLastError]
xor eax, eax
mov ecx, dword [ebp - 0x10]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push 1
call dword [sym.imp.KERNEL32.dll_SetErrorMode]
mov dword [ebp - 0x2c], eax
push 0
push 0x80
push 3
push 0
push 1
push connect
push dword [ebp - 0x28]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 0x28], eax
cmp eax, 0xffffffff
je 0x435f42
push 0
push 0
push 0
push 0x1000002
push 0
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov edi, eax
mov dword [ebp - 0x20], edi
test edi, edi
je 0x435f42
push 0
push 0
push 0
push 4
push edi
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov ebx, eax
mov dword [ebp - 0x24], ebx
xor eax, eax
test ebx, ebx
cmovne eax, ebx
mov dword [ebp - 0x1c], eax
push dword [ebp - 0x2c]
call dword [sym.imp.KERNEL32.dll_SetErrorMode]
mov eax, dword [ebp - 0x1c]
test eax, eax
je 0x435ffb
push 0x10
push 1
push eax
call dword [sym.imp.KERNEL32.dll_FindResourceW]
test eax, eax
je 0x435ff9
push eax
mov eax, dword [ebp - 0x1c]
push eax
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov ecx, eax
test ecx, ecx
je 0x435ff9
mov dword [ebp - 4], esi
movzx esi, word [ecx]
mov dword [ebp - 0x2c], esi
lea eax, [esi*2 + 4]
mov edx, dword [ebp + 8]
cmp eax, edx
jbe 0x435fa4
mov esi, edx
shr esi, 1
sub esi, 4
mov dword [ebp - 0x2c], esi
mov dword [ebp + 8], 1
jmp 0x435fab
mov dword [ebp + 8], 0
push esi
push ecx
push dword [ebp + 0xc]
call fcn.0046d3d0
add esp, 0xc
mov eax, dword [ebp + 0xc]
mov dword [esi + eax], 0x58324546
cmp dword [ebp + 8], 0
je 0x435fcb
mov word [eax], si
mov esi, 1
mov dword [ebp - 0x30], esi
mov dword [ebp - 4], 0xfffffffe
jmp 0x435ffb
xor esi, esi
test ebx, ebx
je 0x436006
push ebx
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
test edi, edi
je 0x436015
push edi
mov edi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call edi
jmp 0x43601b
mov edi, dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [ebp - 0x28]
cmp eax, 0xffffffff
je 0x436026
push eax
call edi
mov eax, esi
mov ecx, dword [ebp - 0x10]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x43aed0
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x4b81bc]
xor eax, ebp
mov dword [ebp - 4], eax
lea eax, [ebp - 0x194]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x43af20
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x43af1a
shr eax, 8
cmp al, 2
jne 0x43af1a
xor eax, eax
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00439921
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov ecx, dword [ebp - 4]
mov eax, 2
xor ecx, ebp
call fcn.00439921
mov esp, ebp
pop ebp
ret
Function at 0x43b9c0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push edi
mov eax, dword [esi]
cmp dword [eax + 4], 2
jne 0x43b9ec
mov ecx, dword [esi + 0xc]
test ecx, ecx
jne 0x43b9dd
pop edi
xor eax, eax
pop esi
pop ebp
ret
push dword [eax + 8]
push dword [ebp + 0x10]
push 1
push dword [ebp + 0xc]
call ecx
jmp 0x43ba20
cmp dword [esi + 8], 0
jne 0x43ba10
push 0x4999d8
push dword [eax + 8]
call fcn.0047d0a5
add esp, 8
mov dword [esi + 8], eax
test eax, eax
jne 0x43ba10
pop edi
or eax, 0xffffffff
pop esi
pop ebp
ret
push dword [esi + 8]
push dword [ebp + 0x10]
push 1
push dword [ebp + 0xc]
call fcn.0047d288
mov edi, eax
add esp, 0x10
test edi, edi
jne 0x43ba42
mov eax, dword [esi + 8]
test eax, eax
je 0x43ba3c
push eax
call fcn.0047cf64
add esp, 4
mov dword [esi + 8], edi
mov eax, dword [esi]
mov eax, dword [eax]
mov dword [esi], eax
mov eax, edi
pop edi
pop esi
pop ebp
ret

Function at 0x43ff30
Capabilities:
Terminate process

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
test esi, esi
je 0x43ff4e
cmp dword [esi + 0x48], 0
je 0x43ff4e
push 2
push 3
push esi
call fcn.00452ee0
add esp, 0xc
push dword [ebp + 0xc]
call fcn.0044ab50
add esp, 4
test esi, esi
je 0x43ff6e
cmp dword [esi + 0x48], 0
je 0x43ff6e
push 3
push esi
call fcn.00452f20
add esp, 8
pop esi
pop ebp
ret
Function at 0x4476e0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
mov ecx, dword [ebp + 8]
push ebx
push edi
push 0
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ecx + eax*4 + 0x154]
call dword [sym.imp.WS2_32.dll_send]
mov ebx, dword [ebp + 0x18]
mov edi, eax
mov dword [ebx], 0
cmp edi, 0xffffffff
jne 0x44775e
push esi
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x44772e
pop esi
pop edi
mov dword [ebx], 0x51
xor eax, eax
pop ebx
pop ebp
ret
push esi
push dword [ebp + 8]
call fcn.00453680
push eax
mov eax, dword [ebp + 8]
push str.Send_failure:__s
push dword [eax]
call fcn.004473d0
mov eax, dword [ebp + 8]
add esp, 0x14
mov eax, dword [eax]
mov dword [eax + 0x8574], esi
mov eax, edi
mov dword [ebx], 0x37
pop esi
pop edi
pop ebx
pop ebp
ret

Function at 0x447940
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 0x447969
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 0x44799f
push dword [esi + 0x118]
lea eax, [eax + eax*2]
push 1
add eax, 0x49a794
push 2
push eax
call fcn.0047fa5c
push dword [esi + 0x118]
push 1
push dword [ebp + 0x14]
push dword [ebp + 0x10]
call fcn.0047fa5c
add esp, 0x20
xor eax, eax
pop esi
pop ebp
ret

Function at 0x447b10
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 + 0x538]
test esi, esi
je 0x447b64
mov eax, dword [edi + 0x44]
test eax, eax
jne 0x447b31
cmp dword [edi + 0x40], eax
je 0x447b64
mov dword [ebp - 8], esi
mov byte [ebp - 4], 0
test eax, eax
jne 0x447b3f
mov eax, dword [edi + 0x40]
push 0x4489a0
lea ecx, [ebp - 8]
add eax, 0x68
push ecx
push eax
call fcn.0044f3d0
add esp, 0xc
cmp byte [ebp - 4], 0
jne 0x447b6d
mov dword [edi + 0x538], 0
pop edi
or eax, 0xffffffff
pop esi
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp + 0xc]
test eax, eax
je 0x447b76
mov dword [eax], esi
cmp byte [esi + 0x178], 0
mov edi, dword [esi + 0x154]
jne 0x447b64
push 2
push 1
lea eax, [ebp + 0xb]
push eax
push edi
call dword [sym.imp.WS2_32.dll_recv]
or ecx, 0xffffffff
test eax, eax
cmove edi, ecx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x447fd0
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x12c
mov eax, dword [0x4b81bc]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [0x4baa18]
mov dword [ebp - 0x128], 0x4020
mov dword [ebp - 0x124], 0
mov dword [ebp - 0x12c], 4
push esi
test eax, eax
jne 0x44809a
push 0x11c
push eax
lea eax, [ebp - 0x120]
push eax
call fcn.0046ce30
mov esi, dword [sym.imp.KERNEL32.dll_VerSetConditionMask]
add esp, 0xc
mov dword [ebp - 0x120], 0x11c
mov dword [ebp - 0x11c], 6
push 3
push 2
push 0
push 0
call esi
push 3
push 1
push edx
push eax
call esi
push 3
push 0x20
push edx
push eax
call esi
push 3
push 0x10
push edx
push eax
call esi
push edx
push eax
push 0x33
lea eax, [ebp - 0x120]
push eax
call dword [sym.imp.KERNEL32.dll_VerifyVersionInfoW]
test eax, eax
je 0x44808e
mov dword [0x4baa18], 2
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00439921
mov esp, ebp
pop ebp
ret
mov dword [0x4baa18], 1
jmp 0x44809f
cmp eax, 2
je 0x4480ed
mov esi, dword [ebp + 8]
lea eax, [ebp - 0x12c]
push eax
lea eax, [ebp - 0x124]
push eax
push 0x1001
push 0xffff
push esi
call dword [sym.imp.WS2_32.dll_getsockopt]
test eax, eax
jne 0x4480d3
mov eax, dword [ebp - 0x124]
cmp eax, dword [ebp - 0x128]
jg 0x4480ed
push 4
lea eax, [ebp - 0x128]
push eax
push 0x1001
push 0xffff
push esi
call dword [sym.imp.WS2_32.dll_setsockopt]
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.00439921
mov esp, ebp
pop ebp
ret

Function at 0x4481c0
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 0x448208
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.00453680
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.00447470
add esp, 0x14
pop edi
pop esi
pop ebp
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.00447470
add esp, 8
pop edi
pop esi
pop ebp
ret
Function at 0x4482f0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x4b81bc]
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 0x4484bd
cmp byte [edi + 0x1c1], 0
push esi
jne 0x4484b3
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 0x44837b
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.00453680
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebx
call fcn.004473d0
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00439921
mov esp, ebp
pop ebp
ret
push 0x80
lea eax, [ebp - 0x84]
mov dword [ebp - 0x108], 0x80
push 0
push eax
call fcn.0046ce30
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 0x4483e4
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.00453680
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.004473d0
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00439921
mov esp, ebp
pop ebp
ret
lea eax, [edi + 0xe8]
push eax
lea esi, [edi + 0xb8]
lea eax, [ebp - 0x104]
push esi
push eax
call fcn.004489c0
add esp, 0xc
test al, al
jne 0x448435
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.00453680
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004473d0
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00439921
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 + 0x11c]
push eax
lea eax, [edi + 0xec]
push eax
lea eax, [ebp - 0x84]
push eax
call fcn.004489c0
add esp, 0xc
test al, al
jne 0x4484b3
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.00453680
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004473d0
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00439921
mov esp, ebp
pop ebp
ret
push edi
call fcn.00447f10
add esp, 4
pop esi
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop ebx
call fcn.00439921
mov esp, ebp
pop ebp
ret
Function at 0x448d40
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x4b81bc]
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 + 0x3e0], 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 0x448d9d
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.00447470
add esp, 0xc
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00439921
mov esp, ebp
pop ebp
ret
push dword [esi + 0x3e4]
mov dword [ebp - 0x10], 1
call fcn.0044a7d0
push dword [esi + 0x3e8]
imul eax, eax, 0x3e8
mov dword [ebp - 0x14], eax
mov dword [ebp - 0xc], eax
call fcn.0044a7d0
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 0x448e0d
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.00447470
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.00439921
mov esp, ebp
pop ebp
ret

Function at 0x44a790
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x10]
call fcn.0044a7e0
add esp, 4
mov dword [ebp + 0x10], eax
pop ebp
jmp fcn.00489eeb
Function at 0x453060
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov cl, byte [ebp + 8]
movsx eax, cl
add eax, 0xffffff9f
cmp eax, 0x19
ja case.default.0x453071
jmp dword [eax*4 + 0x4530e4]
mov al, 0x41
pop ebp
ret
mov al, 0x42
pop ebp
ret
mov al, 0x43
pop ebp
ret
mov al, 0x44
pop ebp
ret
mov al, 0x45
pop ebp
ret
mov al, 0x46
pop ebp
ret
mov al, 0x47
pop ebp
ret
mov al, 0x48
pop ebp
ret
mov al, 0x49
pop ebp
ret
mov al, 0x4a
pop ebp
ret
mov al, 0x4b
pop ebp
ret
mov al, 0x4c
pop ebp
ret
mov al, 0x4d
pop ebp
ret
mov al, 0x4e
pop ebp
ret
mov al, 0x4f
pop ebp
ret
mov al, 0x50
pop ebp
ret
mov al, 0x51
pop ebp
ret
mov al, 0x52
pop ebp
ret
mov al, 0x53
pop ebp
ret
mov al, 0x54
pop ebp
ret
mov al, 0x55
pop ebp
ret
mov al, 0x56
pop ebp
ret
mov al, 0x57
pop ebp
ret
mov al, 0x58
pop ebp
ret
mov al, 0x59
pop ebp
ret
mov al, 0x5a
pop ebp
ret
mov al, cl
pop ebp
ret

Function at 0x4532e0
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 0x45345b
push edi
mov edi, dword [ebp - 8]
test edi, edi
je 0x453447
push esi
nop dword [eax]
cmp dword [edi + 4], 2
jne 0x4533d8
cmp dword [edi + 0x18], 0
je 0x4533d8
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4533d8
cmp eax, 0x10
jb 0x4533d8
push 0x20
call dword [0x4b81f0]
mov esi, eax
add esp, 4
test esi, esi
je 0x45343c
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 [0x4b81f0]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x45342b
mov ecx, dword [edi + 0x18]
movups xmm0, xmmword [ecx]
movups xmmword [eax], xmm0
mov eax, dword [edi + 0x14]
test eax, eax
je 0x4533c6
push eax
call dword [0x4b81fc]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x453411
mov eax, dword [ebp - 4]
test ebx, ebx
cmove ebx, esi
test eax, eax
je 0x4533d5
mov dword [eax + 0x1c], esi
mov dword [ebp - 4], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x453320
mov edi, dword [ebp - 0xc]
mov eax, dword [ebp - 8]
pop esi
test eax, eax
je 0x4533f5
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test edi, edi
je 0x453443
push ebx
call fcn.004532a0
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 [0x4b81f4]
push esi
call dword [0x4b81f4]
add esp, 8
jmp 0x4533e6
push esi
mov edi, 8
call dword [0x4b81f4]
add esp, 4
jmp 0x4533e6
mov edi, 8
jmp 0x4533e6
test ebx, ebx
jne 0x453453
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 0x453e90
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.00478e25
add esp, 0x18
test eax, eax
je 0x453eb2
cmp eax, 0xffffffff
jne 0x453eb4
xor eax, eax
pop ebp
ret

Function at 0x457360
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x4b81bc]
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 0x4573ad
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004473d0
add esp, 0xc
mov eax, 2
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00439921
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x4573d5
shr eax, 8
test al, al
jne 0x4573d5
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00439921
mov esp, ebp
pop ebp
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004473d0
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 2
pop esi
call fcn.00439921
mov esp, ebp
pop ebp
ret

Function at 0x457c10
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 + 0x154]
mov byte [ebp + 8], 0xff
mov byte [ebp + 9], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x457c58
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004473d0
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push dword [esi]
call fcn.004574f0
add esp, 0x10
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x457d30
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
push ecx
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 0x457e7c
push edi
lea eax, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], eax
cmp eax, edi
jae 0x457d65
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x457d70
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x457d7b
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
movzx eax, ax
mov dword [ebp + 0xc], eax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov ecx, dword [ebp + 0xc]
movzx edx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x457dac
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x457db6
mov byte [eax], ch
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x457dc0
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x457dca
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x457dd5
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x457de0
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.004575f0
add esp, 0x10
push 0
push 3
push esi
mov esi, dword [ebp + 8]
push dword [esi + 0x154]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x457e38
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004473d0
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push esi
call fcn.00457c70
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [esi + 0x154]
call dword [sym.imp.WS2_32.dll_send]
pop esi
test eax, eax
jns 0x457e7b
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004473d0
add esp, 0xc
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x457fe0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x4b81bc]
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.0046ce30
push 0x80
lea eax, [ebp - 0x84]
push 0
push eax
call fcn.0046ce30
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.004575f0
mov eax, dword [esi + 0x1eb0]
add esp, 0x28
movzx ecx, byte [eax]
inc eax
mov dword [esi + 0x1eb0], eax
cmp ecx, 0x18
je 0x4581c8
cmp ecx, 0x23
je 0x4581a4
cmp ecx, 0x27
jne 0x458256
push 0
push ecx
push 0xfa
push 0xff
push 0x49e084
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.004493b0
mov esi, dword [esi + 0x1cac]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x458141
nop
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4580c7
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x45812f
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.00436090
add esp, 0x10
test eax, eax
je 0x45812f
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.004493b0
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x4580c0
mov ebx, dword [ebp - 0x908]
mov eax, 0x800
push 0xf0
push 0xff
sub eax, edi
push 0x49e0ac
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.004493b0
add esp, 0x14
lea eax, [ebp - 0x904]
add edi, 2
push 0
push edi
push eax
mov eax, dword [ebp - 0x90c]
push dword [eax + 0x154]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x45819c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004473d0
add esp, 0xc
lea eax, [edi - 2]
jmp 0x458243
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4581b0
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x4581e9
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4581d3
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.004493b0
add esp, 0x28
lea eax, [ebp - 0x904]
push 0
push esi
push eax
push dword [edi + 0x154]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x458240
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004473d0
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.004575f0
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00439921
mov esp, ebp
pop ebp
ret