joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4a4270
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
cmp dword [ebp + 0x10], 0
push ebx
mov ebx, dword [ebp + 0x14]
mov eax, dword [ebx - 4]
jle 0x4a42da
mov ecx, dword [ebp + 8]
sub ecx, ebx
push esi
mov dword [ebp + 8], ecx
push edi
nop word [eax + eax]
mov esi, dword [ecx + ebx]
lea ebx, [ebx + 4]
mov ecx, eax
mov edi, esi
and edi, 0xffff00ff
and ecx, 0xffff00ff
add edi, ecx
mov edx, esi
movzx ecx, ax
and edx, 0xff00
add edx, ecx
and eax, 0xff00ffff
mov ecx, dword [ebp + 8]
xor edi, edx
and esi, 0xff00ff00
and edi, 0xff00ff
add eax, esi
xor eax, edi
sub dword [ebp + 0x10], 1
mov dword [ebx - 4], eax
jne 0x4a4290
pop edi
pop esi
pop ebx
pop ebp
ret

Function at 0x4a42e0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
test eax, eax
jne 0x4a4304
push 0xb9
push str.srcdsplossless.c
push str.upper___NULL
call fcn.0052059c
mov eax, dword [ebp + 0xc]
add esp, 0xc
cmp dword [ebp + 0x10], 0
jle 0x4a4372
push ebx
mov ebx, dword [ebp + 8]
sub eax, ebx
sub dword [ebp + 0x14], ebx
push esi
push edi
mov dword [ebp + 0xc], eax
nop dword [eax + eax]
mov edi, dword [eax + ebx]
lea ebx, [ebx + 4]
mov edx, dword [ebx - 4]
mov eax, edi
and eax, 0xffff00ff
mov esi, edx
and esi, 0xffff00ff
mov ecx, edx
add esi, eax
and ecx, 0xff00
movzx eax, di
and edx, 0xff00ff00
add ecx, eax
and edi, 0xff00ffff
mov eax, dword [ebp + 0x14]
xor esi, ecx
and esi, 0xff00ff
add edi, edx
xor esi, edi
sub dword [ebp + 0x10], 1
mov dword [eax + ebx - 4], esi
mov eax, dword [ebp + 0xc]
jne 0x4a4320
pop edi
pop esi
pop ebx
pop ebp
ret

Function at 0x4a5280
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
xor ecx, ecx
push ebx
push edi
mov edi, dword [ebp + 8]
mov dword [ebp + 8], 0
lea eax, [edi + eax*4]
mov ebx, eax
sub ebx, edi
add ebx, 3
shr ebx, 2
cmp edi, eax
cmova ebx, ecx
test ebx, ebx
je 0x4a52eb
push esi
mov esi, dword [ebp + 0x10]
nop
mov edx, dword [edi]
lea esi, [esi + 2]
mov ecx, edx
lea edi, [edi + 4]
shr ecx, 0x10
mov eax, edx
shr eax, 0xc
xor cl, al
mov eax, edx
shr eax, 0x10
and cl, 0xf
xor cl, al
mov eax, edx
shr eax, 0x1c
xor al, dl
mov byte [esi - 2], cl
and al, 0xf
xor al, dl
mov byte [esi - 1], al
mov eax, dword [ebp + 8]
inc eax
mov dword [ebp + 8], eax
cmp eax, ebx
jb 0x4a52b0
pop esi
pop edi
pop ebx
pop ebp
ret

Function at 0x4a52f0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
xor ecx, ecx
push ebx
mov ebx, dword [ebp + 8]
push edi
mov dword [ebp + 8], 0
lea eax, [ebx + eax*4]
mov edi, eax
sub edi, ebx
add edi, 3
shr edi, 2
cmp ebx, eax
cmova edi, ecx
test edi, edi
je 0x4a5364
push esi
mov esi, dword [ebp + 0x10]
nop
mov edx, dword [ebx]
lea esi, [esi + 2]
mov ecx, edx
lea ebx, [ebx + 4]
shr ecx, 0x10
mov eax, edx
shr eax, 0xd
xor cl, al
mov eax, edx
and cl, 7
shr eax, 0x10
xor cl, al
mov eax, edx
mov byte [esi - 2], cl
mov ecx, edx
shr ecx, 5
shr eax, 3
xor cl, al
shr edx, 5
mov eax, dword [ebp + 8]
and cl, 0x1f
xor cl, dl
inc eax
mov byte [esi - 1], cl
mov dword [ebp + 8], eax
cmp eax, edi
jb 0x4a5320
pop esi
pop edi
pop ebx
pop ebp
ret
Function at 0x4bffc0
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x5e108c]
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 0x4c0013
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x4c000d
shr eax, 8
cmp al, 2
jne 0x4c000d
call fcn.004c3cf0
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004f4655
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.004f4655
mov esp, ebp
pop ebp
ret

Function at 0x4c4660
Capabilities:
Terminate process

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
test esi, esi
je 0x4c467e
cmp dword [esi + 0x48], 0
je 0x4c467e
push 2
push 3
push esi
call fcn.004d84d0
add esp, 0xc
push dword [ebp + 0xc]
call fcn.004ce9f0
add esp, 4
test esi, esi
je 0x4c469e
cmp dword [esi + 0x48], 0
je 0x4c469e
push 3
push esi
call fcn.004d8510
add esp, 8
pop esi
pop ebp
ret
Function at 0x4cce30
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 0x4cceae
push esi
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x4cce7e
pop esi
pop edi
mov dword [ebx], 0x51
xor eax, eax
pop ebx
pop ebp
ret
push esi
push dword [ebp + 8]
call fcn.004d9330
push eax
mov eax, dword [ebp + 8]
push str.Send_failure:__s
push dword [eax]
call fcn.004ccb20
mov eax, dword [ebp + 8]
add esp, 0x14
mov eax, dword [eax]
mov dword [eax + 0x8584], esi
mov eax, edi
mov dword [ebx], 0x37
pop esi
pop edi
pop ebx
pop ebp
ret

Function at 0x4cd090
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 0x4cd0b9
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 0x4cd0ef
push dword [esi + 0x118]
lea eax, [eax + eax*2]
push 1
add eax, 0x592788
push 2
push eax
call fcn.0050f77d
push dword [esi + 0x118]
push 1
push dword [ebp + 0x14]
push dword [ebp + 0x10]
call fcn.0050f77d
add esp, 0x20
xor eax, eax
pop esi
pop ebp
ret

Function at 0x4cd260
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 + 0x548]
test esi, esi
je 0x4cd2b4
mov eax, dword [edi + 0x44]
test eax, eax
jne 0x4cd281
cmp dword [edi + 0x40], eax
je 0x4cd2b4
mov dword [ebp - 8], esi
mov byte [ebp - 4], 0
test eax, eax
jne 0x4cd28f
mov eax, dword [edi + 0x40]
push 0x4ce0a0
lea ecx, [ebp - 8]
add eax, 0x68
push ecx
push eax
call fcn.004d33d0
add esp, 0xc
cmp byte [ebp - 4], 0
jne 0x4cd2bd
mov dword [edi + 0x548], 0
pop edi
or eax, 0xffffffff
pop esi
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp + 0xc]
test eax, eax
je 0x4cd2c6
mov dword [eax], esi
cmp byte [esi + 0x178], 0
mov edi, dword [esi + 0x154]
je 0x4cd2eb
push esi
call fcn.00423670
add esp, 4
test eax, eax
jne 0x4cd2fe
pop edi
or eax, 0xffffffff
pop esi
mov esp, ebp
pop ebp
ret
push 2
push 1
lea eax, [ebp + 0xb]
push eax
push edi
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
je 0x4cd2b4
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x4cd730
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xac
mov eax, dword [0x5e108c]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [0x60a7d4]
mov dword [ebp - 0xa8], 0x4020
mov dword [ebp - 0xa4], 0
mov dword [ebp - 0xac], 4
push esi
test eax, eax
jne 0x4cd7fa
push 0x9c
push eax
lea eax, [ebp - 0xa0]
push eax
call fcn.005065b0
mov esi, dword [sym.imp.KERNEL32.dll_VerSetConditionMask]
add esp, 0xc
mov dword [ebp - 0xa0], 0x9c
mov dword [ebp - 0x9c], 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 - 0xa0]
push eax
call dword [sym.imp.KERNEL32.dll_VerifyVersionInfoA]
test eax, eax
je 0x4cd7ee
mov dword [0x60a7d4], 2
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004f4655
mov esp, ebp
pop ebp
ret
mov dword [0x60a7d4], 1
jmp 0x4cd7ff
cmp eax, 2
je 0x4cd84d
mov esi, dword [ebp + 8]
lea eax, [ebp - 0xac]
push eax
lea eax, [ebp - 0xa4]
push eax
push 0x1001
push 0xffff
push esi
call dword [sym.imp.WS2_32.dll_getsockopt]
test eax, eax
jne 0x4cd833
mov eax, dword [ebp - 0xa4]
cmp eax, dword [ebp - 0xa8]
jg 0x4cd84d
push 4
lea eax, [ebp - 0xa8]
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.004f4655
mov esp, ebp
pop ebp
ret
Function at 0x4cd9f0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x5e108c]
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 0x4cdbbd
cmp byte [edi + 0x251], 0
push esi
jne 0x4cdbb3
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 0x4cda7b
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004d9330
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebx
call fcn.004ccb20
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004f4655
mov esp, ebp
pop ebp
ret
push 0x80
lea eax, [ebp - 0x84]
mov dword [ebp - 0x108], 0x80
push 0
push eax
call fcn.005065b0
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 0x4cdae4
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004d9330
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.004ccb20
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004f4655
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.004ce0c0
add esp, 0xc
test al, al
jne 0x4cdb35
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004d9330
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004ccb20
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004f4655
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.004ce0c0
add esp, 0xc
test al, al
jne 0x4cdbb3
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004d9330
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004ccb20
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004f4655
mov esp, ebp
pop ebp
ret
push edi
call fcn.004cd670
add esp, 4
pop esi
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop ebx
call fcn.004f4655
mov esp, ebp
pop ebp
ret
Function at 0x4ce430
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x5e108c]
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 0x4ce48d
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.004ccbc0
add esp, 0xc
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004f4655
mov esp, ebp
pop ebp
ret
push dword [esi + 0x3f0]
mov dword [ebp - 0x10], 1
call fcn.004d6030
push dword [esi + 0x3f4]
imul eax, eax, 0x3e8
mov dword [ebp - 0x14], eax
mov dword [ebp - 0xc], eax
call fcn.004d6030
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 0x4ce4fd
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.004ccbc0
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.004f4655
mov esp, ebp
pop ebp
ret

Function at 0x4ce510
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
mov edi, dword [ebp + 8]
push 4
mov esi, dword [edi]
movzx eax, byte [esi + 0x2e6]
mov dword [ebp + 8], eax
lea eax, [ebp + 8]
push eax
push 1
push 6
push dword [ebp + 0xc]
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4ce55b
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.004d9330
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.004ccbc0
add esp, 0x14
pop edi
pop esi
pop ebp
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.004ccbc0
add esp, 8
pop edi
pop esi
pop ebp
ret
Function at 0x4d6000
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x10]
call fcn.004a3db0
add esp, 4
mov dword [ebp + 0x10], eax
pop ebp
jmp fcn.0051e197

Function at 0x4d8650
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.0x4d8661
jmp dword [eax*4 + 0x4d86d4]
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 0x4d88d0
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 0x4d8a4b
push edi
mov edi, dword [ebp - 8]
test edi, edi
je 0x4d8a37
push esi
nop dword [eax]
cmp dword [edi + 4], 2
jne 0x4d89c8
cmp dword [edi + 0x18], 0
je 0x4d89c8
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4d89c8
cmp eax, 0x10
jb 0x4d89c8
push 0x20
call dword [0x5e1068]
mov esi, eax
add esp, 4
test esi, esi
je 0x4d8a2c
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 [0x5e1068]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4d8a1b
mov ecx, dword [edi + 0x18]
movups xmm0, xmmword [ecx]
movups xmmword [eax], xmm0
mov eax, dword [edi + 0x14]
test eax, eax
je 0x4d89b6
push eax
call dword [0x5e1074]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4d8a01
mov eax, dword [ebp - 4]
test ebx, ebx
cmove ebx, esi
test eax, eax
je 0x4d89c5
mov dword [eax + 0x1c], esi
mov dword [ebp - 4], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4d8910
mov edi, dword [ebp - 0xc]
mov eax, dword [ebp - 8]
pop esi
test eax, eax
je 0x4d89e5
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test edi, edi
je 0x4d8a33
push ebx
call fcn.004d8890
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 [0x5e106c]
push esi
call dword [0x5e106c]
add esp, 8
jmp 0x4d89d6
push esi
mov edi, 8
call dword [0x5e106c]
add esp, 4
jmp 0x4d89d6
mov edi, 8
jmp 0x4d89d6
test ebx, ebx
jne 0x4d8a43
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 0x4d9b40
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.00509e45
add esp, 0x18
test eax, eax
je 0x4d9b62
cmp eax, 0xffffffff
jne 0x4d9b64
xor eax, eax
pop ebp
ret
Function at 0x4e1760
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x5e108c]
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 0x4e17ad
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004ccb20
add esp, 0xc
mov eax, 2
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004f4655
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x4e17d5
shr eax, 8
test al, al
jne 0x4e17d5
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004f4655
mov esp, ebp
pop ebp
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004ccb20
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 2
pop esi
call fcn.004f4655
mov esp, ebp
pop ebp
ret

Function at 0x4e2000
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 0x4e2048
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004ccb20
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push dword [esi]
call fcn.004e18f0
add esp, 0x10
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x4e2120
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 0x4e2276
push edi
lea eax, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], eax
cmp eax, edi
jae 0x4e2157
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4e2162
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4e216d
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 0x4e219d
mov al, byte [ebp - 0xc]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4e21aa
mov al, byte [ebp - 0xb]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4e21b7
mov al, byte [ebp - 0x14]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4e21c4
mov al, byte [ebp - 0x13]
mov byte [ecx], al
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4e21cf
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4e21da
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.004e19f0
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 0x4e2232
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004ccb20
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push esi
call fcn.004e2060
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 0x4e2275
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004ccb20
add esp, 0xc
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4e23d0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x5e108c]
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.005065b0
push 0x80
lea eax, [ebp - 0x84]
push 0
push eax
call fcn.005065b0
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.004e19f0
mov eax, dword [esi + 0x1eb0]
add esp, 0x28
movzx ecx, byte [eax]
inc eax
mov dword [esi + 0x1eb0], eax
cmp ecx, 0x18
je 0x4e25b8
cmp ecx, 0x23
je 0x4e2592
cmp ecx, 0x27
jne 0x4e2646
push 0
push ecx
push 0xfa
push 0xff
push str._c_c_c_c
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.004d7080
mov esi, dword [esi + 0x1cac]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x4e2531
nop
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4e24b7
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x4e251f
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.004577e9
add esp, 0x10
test eax, eax
je 0x4e251f
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.004d7080
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x4e24b0
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.004d7080
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 + 0x154]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4e258c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004ccb20
add esp, 0xc
push edi
jmp 0x4e2634
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4e25a0
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x4e25d9
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4e25c3
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.004d7080
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 0x4e2630
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004ccb20
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.004e19f0
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004f4655
mov esp, ebp
pop ebp
ret