joyce8/EMBER2024-capa huggingface dataset:
Function at 0x401274
Capabilities:
Print debug messages
Terminate process

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x13a4
call fcn.00430860
mov eax, dword [0x45f060]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
mov ebx, edx
mov dword [ebp - 0x13a4], eax
mov esi, ebx
push edi
mov edi, ecx
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x4012a0
sub esi, ecx
cmp esi, 0x139c
jb 0x4012c6
push 0x9d
mov edx, 0x45c6e8
mov ecx, str.Assertion_failed__tcslen_pMsgFormat____sizeof_pTempBuffer_
call fcn.00401499
pop ecx
xor esi, esi
cmp edi, 2
jne 0x401301
push dword [0x462198]
lea eax, [ebp - 0x13a0]
push dword [0x462194]
push str._s___d__:
push 0x139b
push eax
call fcn.004015ea
mov esi, eax
add esp, 0x14
cmp esi, 0xffffffff
jne 0x401301
push 2
pop eax
jmp 0x4013d4
push dword [ebp - 0x13a4]
mov eax, 0x139b
push 0
sub eax, esi
push ebx
push eax
lea eax, [ebp - 0x13a0]
add eax, esi
push eax
call fcn.004015b8
add esp, 0x14
cmp eax, 0xffffffff
je 0x4012f9
add esi, eax
cmp esi, 0x139c
jb 0x401347
push 0xb5
mov edx, 0x45c6e8
mov ecx, str.Assertion_failed_len__sizeof_pMsgFormat____sizeof_pTempBuffer_
call fcn.00401499
pop ecx
cmp edi, 2
jne 0x401370
lea eax, [ebp - 0x13a0]
add eax, esi
push 0x45c7ec
push eax
call fcn.0040159d
pop ecx
add esi, eax
lea eax, [ebp - 0x13a0]
pop ecx
push eax
call dword [sym.imp.KERNEL32.dll_OutputDebugStringA]
cmp esi, 0x139b
jb 0x40138d
push 0xc1
mov edx, 0x45c6e8
mov ecx, str.Assertion_failed__uint32_t_len____sizeof_pTempBuffer____sizeof_pTempBuffer_0_____1_
call fcn.00401499
pop ecx
lea eax, [ebp - 0x13a0]
push eax
push 0x45c700
call fcn.0040160c
pop ecx
xor ebx, ebx
pop ecx
cmp edi, 2
je 0x4013ae
cmp edi, 3
sete bl
inc ebx
mov eax, ebx
sub eax, 0
je 0x4013cc
dec eax
sub eax, 1
jne 0x4013d2
push 1
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.KERNEL32.dll_TerminateProcess]
jmp 0x4013d2
cmp edi, 2
je 0x4013d2
int3
mov eax, ebx
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0042faff
mov esp, ebp
pop ebp
ret

Function at 0x401e6e
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call
Get system information on windows

Disassembly:
push 0x34
push 0x45d248
call fcn.00430ca0
push 9
pop ecx
xor eax, eax
lea edi, [ebp - 0x44]
rep stosd dword es:[edi], eax
xor edi, edi
mov dword [ebp - 0x1c], edi
lea eax, [ebp - 0x44]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
push 0x40
push 0x3000
push dword [ebp - 0x40]
push edi
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov esi, eax
mov dword [ebp - 0x20], esi
test esi, esi
je 0x401f12
mov byte [esi], 0xc3
lea eax, [ebp - 0x1c]
push eax
push 0x140
push dword [ebp - 0x40]
push esi
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
test eax, eax
je 0x401f12
mov dword [ebp - 4], edi
call esi
mov dword [ebp - 4], 0xfffffffe
push 0x8000
push edi
push esi
call dword [sym.imp.KERNEL32.dll_VirtualFree]
xor eax, eax
inc eax
jmp 0x401f14
xor eax, eax
call fcn.00430ce6
ret
Function at 0x401f9a
Capabilities:
Access peb ldr_data
Check for debugger via api
Check for peb beingdebugged flag
Check os version

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x45f060]
xor eax, ebp
mov dword [ebp - 4], eax
call dword [sym.imp.USER32.dll_GetDesktopWindow]
lea ecx, [ebp - 0x14]
push ecx
push eax
call dword [sym.imp.USER32.dll_GetWindowRect]
cmp dword [ebp - 0xc], 0x780
jl 0x401fdf
push 0x10
push str.Fatal_Error
push str.ERROR:_Unfortunately__this_doesnt_support_Win95___98___ME___2000___NT_4.0_environment.
push 0
call dword [sym.imp.USER32.dll_MessageBoxA]
xor al, al
jmp 0x4020f4
mov eax, dword fs:[0x30]
push ebx
push esi
push edi
mov eax, dword [eax + 0xc]
mov esi, 0x9c
push esi
xor edi, edi
mov ebx, 0x460d68
push edi
mov ecx, dword [eax + 0xc]
push ebx
mov eax, dword [ecx + 0x18]
add eax, 0x100000
mov dword [ecx + 0x20], eax
call fcn.00432660
add esp, 0xc
mov dword [0x460d68], esi
mov esi, dword [sym.imp.KERNEL32.dll_GetVersionExA]
push ebx
call esi
test eax, eax
jne 0x402030
push ebx
mov dword [0x460d68], 0x94
call esi
cmp dword [0x460d78], 2
jne 0x4020dc
mov eax, dword [0x460d6c]
cmp eax, 5
jb 0x4020dc
jne 0x402059
cmp dword [0x460d70], edi
je 0x4020dc
mov eax, dword fs:[0x30]
cmp byte [eax + 2], 1
je 0x4020dc
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], edi
push eax
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.KERNEL32.dll_CheckRemoteDebuggerPresent]
cmp dword [ebp - 0x18], edi
jne 0x4020dc
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
cmp dword [0x460d74], 0x23f0
sbb ecx, ecx
and ecx, 4
add ecx, 0xd0
add eax, ecx
je 0x4020a1
cmp dword [eax], edi
je 0x4020dc
call fcn.00401e6e
test eax, eax
jne 0x4020dc
xor ebx, ebx
push 0x401f1a
inc ebx
push ebx
call dword [sym.imp.KERNEL32.dll_AddVectoredExceptionHandler]
mov dword [0x45fa10], ebx
int3
push 0x10
push str.Fatal_Error
push str.ERROR:_Unfortunately__this_doesnt_support_Win95___98___ME___2000___NT_4.0_environment.
push edi
call dword [sym.imp.USER32.dll_MessageBoxA]
xor al, al
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042faff
mov esp, ebp
pop ebp
ret

Function at 0x4054d0
Capabilities:
Terminate process

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x4054ec
cmp dword [esi + 0x48], 0
je 0x4054ec
push 2
push 3
push esi
call fcn.0040f870
add esp, 0xc
push dword [esp + 0xc]
call fcn.0040a510
add esp, 4
test esi, esi
je 0x40550d
cmp dword [esi + 0x48], 0
je 0x40550d
push 3
push esi
call fcn.0040f8b0
add esp, 8
pop esi
ret

Function at 0x405970
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x3a8], 2
je fcn.00405920
mov al, 1
ret
Function at 0x407bf0
Capabilities:
Write file on windows

Disassembly:
push edi
mov edi, dword [esp + 8]
lea eax, [esp + 0x10]
push eax
push dword [esp + 0x10]
push 0x4000
push dword [edi + 0x63c]
call fcn.0040fe70
mov eax, dword [edi + 0x120]
add esp, 0x10
test eax, eax
je 0x407c44
cmp byte [edi + 0x4690], 0
jne 0x407c44
push dword [edi + 0x63c]
push 0x45c700
push 0x100
push eax
call fcn.0040fd80
add esp, 0x10
mov byte [edi + 0x4690], 1
cmp byte [edi + 0x350], 0
je 0x407ccd
mov ecx, dword [edi + 0x63c]
push esi
mov esi, ecx
lea edx, [esi + 1]
nop dword [eax]
mov al, byte [esi]
inc esi
test al, al
jne 0x407c60
sub esi, edx
cmp esi, 0x3fff
jae 0x407c80
mov byte [ecx + esi], 0xa
inc esi
mov eax, dword [edi + 0x63c]
mov byte [esi + eax], 0
mov eax, dword [edi + 0x190]
push ebx
mov ebx, dword [edi + 0x63c]
test eax, eax
je 0x407ca5
push dword [edi + 0x11c]
push esi
push ebx
push 0
push edi
call eax
add esp, 0x14
pop ebx
pop esi
pop edi
ret
push dword [edi + 0x118]
push 1
push 2
push 0x44d984
call fcn.0043a1d2
push dword [edi + 0x118]
push 1
push esi
push ebx
call fcn.0043a1d2
add esp, 0x20
pop ebx
pop esi
pop edi
ret

Function at 0x407cd0
Capabilities:
Write file on windows

Disassembly:
sub esp, 0x808
mov eax, dword [0x45f060]
xor eax, esp
mov dword [esp + 0x804], eax
push edi
mov edi, dword [esp + 0x810]
test edi, edi
je 0x407d99
cmp byte [edi + 0x350], 0
je 0x407d99
push esi
lea eax, [esp + 0x81c]
push eax
push dword [esp + 0x81c]
lea eax, [esp + 0x10]
push 0x801
push eax
call fcn.0040fe70
lea esi, [esp + 0x18]
add esp, 0x10
lea ecx, [esi + 1]
nop word [eax + eax]
mov al, byte [esi]
inc esi
test al, al
jne 0x407d30
mov eax, dword [edi + 0x190]
sub esi, ecx
test eax, eax
je 0x407d6e
push dword [edi + 0x11c]
lea ecx, [esp + 0xc]
push esi
push ecx
push 0
push edi
call eax
add esp, 0x14
pop esi
pop edi
mov ecx, dword [esp + 0x804]
xor ecx, esp
call fcn.0042faff
add esp, 0x808
ret
push dword [edi + 0x118]
push 1
push 2
push 0x44d984
call fcn.0043a1d2
push dword [edi + 0x118]
lea eax, [esp + 0x1c]
push 1
push esi
push eax
call fcn.0043a1d2
add esp, 0x20
pop esi
mov ecx, dword [esp + 0x808]
pop edi
xor ecx, esp
call fcn.0042faff
add esp, 0x808
ret

Function at 0x408000
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.00408430
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 0x408086
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x40805e
pop edi
pop esi
mov dword [ebp], 0x51
xor eax, eax
pop ebp
pop ebx
ret
push esi
push edi
call fcn.00411e00
push eax
push str.Send_failure:__s
push dword [edi]
call fcn.00407bf0
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 0x408430
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 0x4084e0
cmp dword [ecx + edx*4 + 0x1a4], 0x407f60
jne 0x4084e0
cmp dword [esi], 0
je 0x408477
test edi, edi
je 0x4084e0
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebx
call fcn.00407570
add esp, 0x14
cmp eax, 0xffffffff
je 0x4084e0
test al, 1
je 0x4084e0
cmp dword [esi], 0
jne 0x4084c9
push 0x8000
mov dword [esi + 4], 0x8000
call dword [section..data]
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 0x4084c9
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 0x4084e0
add dword [esi + 8], eax
pop edi
pop esi
pop ebx
ret

Function at 0x4084f0
Capabilities:
Write file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
mov eax, dword [esi + 0x190]
test eax, eax
je 0x408519
push dword [esi + 0x11c]
push dword [esp + 0x18]
push dword [esp + 0x18]
push dword [esp + 0x18]
push esi
call eax
add esp, 0x14
pop esi
ret
mov eax, dword [esp + 0xc]
cmp eax, 2
ja 0x408552
push dword [esi + 0x118]
lea eax, [eax + eax*2]
push 1
add eax, 0x44d984
push 2
push eax
call fcn.0043a1d2
push dword [esi + 0x118]
push 1
push dword [esp + 0x2c]
push dword [esp + 0x2c]
call fcn.0043a1d2
add esp, 0x20
xor eax, eax
pop esi
ret

Function at 0x408f20
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 0x408f68
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.00411e00
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.00407cd0
add esp, 0x14
pop edi
pop esi
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.00407cd0
add esp, 8
pop edi
pop esi
ret
Function at 0x409070
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x108
mov eax, dword [0x45f060]
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 0x409263
cmp byte [edi + 0x366], 0
push esi
jne 0x409259
cmp byte [edi + 0x382], 0
jne 0x409259
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 0x409115
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.00411e00
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebx
call fcn.00407bf0
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.0042faff
add esp, 0x108
ret
push 0x80
lea eax, [esp + 0x14]
mov dword [esp + 0x10], 0x80
push 0
push eax
call fcn.00432660
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 0x40917d
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.00411e00
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.00407bf0
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.0042faff
add esp, 0x108
ret
lea eax, [edi + 0x130]
push eax
lea esi, [edi + 0x102]
lea eax, [esp + 0x94]
push esi
push eax
call fcn.00409750
add esp, 0xc
test al, al
jne 0x4091d6
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.00411e00
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.00407bf0
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.0042faff
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.00409750
add esp, 0xc
test al, al
jne 0x409259
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.00411e00
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.00407bf0
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.0042faff
add esp, 0x108
ret
push edi
call fcn.00408cb0
add esp, 4
pop esi
mov ecx, dword [esp + 0x10c]
pop edi
pop ebx
xor ecx, esp
call fcn.0042faff
add esp, 0x108
ret
Function at 0x409ad0
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x18
mov eax, dword [0x45f060]
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 0x409b30
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.00407cd0
add esp, 0xc
pop edi
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.0042faff
add esp, 0x18
ret
push dword [esi + 0x4a0]
mov dword [esp + 0x14], 1
call fcn.0040eba0
push dword [esi + 0x4a4]
imul eax, eax, 0x3e8
mov dword [esp + 0x10], eax
mov dword [esp + 0x1c], eax
call fcn.0040eba0
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 0x409ba7
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.00407cd0
add esp, 0x10
mov ecx, dword [esp + 0x1c]
pop edi
pop esi
xor ecx, esp
call fcn.0042faff
add esp, 0x18
ret
Function at 0x411070
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push str.kernel32
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x41108a
pop edi
pop ebx
pop ecx
ret
push ebp
push esi
push 0x44ef00
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [esp + 0x18]
mov ebp, eax
push 0x44ef10
push esi
call fcn.0043d2d0
add esp, 8
test eax, eax
je 0x4110d2
test ebp, ebp
je 0x4110c3
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 0x4110f8
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4110f8
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 0x4111af
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x411115
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [section..data]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4111a5
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4111a5
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x411147
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 0x411160
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 0x411170
test ebp, ebp
je 0x41119c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x45f004]
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 [0x45f004]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x411360
Capabilities:
Resolve dns

Disassembly:
sub esp, 0xc
mov eax, dword [esp + 0x1c]
push ebx
xor ebx, ebx
mov dword [esp + 4], ebx
mov dword [eax], ebx
lea eax, [esp + 8]
push eax
push dword [esp + 0x20]
push dword [esp + 0x20]
push dword [esp + 0x20]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [esp + 0xc], eax
test eax, eax
jne 0x4114f2
push ebp
push edi
mov edi, dword [esp + 0x10]
test edi, edi
je 0x4114dc
push esi
mov eax, dword [edi + 4]
cmp eax, 2
jne 0x4113af
lea ebp, [eax + 0xe]
jmp 0x4113bb
cmp eax, 0x17
jne 0x411469
lea ebp, [eax + 5]
cmp dword [edi + 0x18], 0
je 0x411469
mov eax, dword [edi + 0x10]
test eax, eax
je 0x411469
cmp eax, ebp
jb 0x411469
push 0x20
call dword [section..data]
mov esi, eax
add esp, 4
test esi, esi
je 0x4114d1
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 ebp
mov dword [esi + 0xc], eax
mov dword [esi + 0x10], ebp
mov dword [esi + 0x18], 0
mov dword [esi + 0x14], 0
mov dword [esi + 0x1c], 0
call dword [section..data]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4114c0
push ebp
push dword [edi + 0x18]
push eax
call fcn.004327c0
mov eax, dword [edi + 0x14]
add esp, 0xc
test eax, eax
je 0x411455
push eax
call dword [0x45f00c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4114a6
mov eax, dword [esp + 0x10]
test ebx, ebx
cmove ebx, esi
test eax, eax
je 0x411465
mov dword [eax + 0x1c], esi
mov dword [esp + 0x10], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4113a2
mov ebp, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop esi
test eax, eax
je 0x411488
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebp, ebp
je 0x4114d8
push ebx
call fcn.00411320
mov eax, dword [esp + 0x2c]
add esp, 4
xor ebx, ebx
mov dword [eax], ebx
mov eax, ebp
pop edi
pop ebp
pop ebx
add esp, 0xc
ret
push dword [esi + 0x18]
mov ebp, 8
call dword [0x45f004]
push esi
call dword [0x45f004]
add esp, 8
jmp 0x411478
push esi
mov ebp, 8
call dword [0x45f004]
add esp, 4
jmp 0x411478
mov ebp, 8
jmp 0x411478
test ebx, ebx
jne 0x4114e8
mov ebp, 0x2af9
push ebp
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x28]
pop edi
mov dword [eax], ebx
mov eax, ebp
pop ebp
pop ebx
add esp, 0xc
ret

Function at 0x412a30
Capabilities:
Generate random numbers via winapi

Disassembly:
push ecx
push 0xf0000040
push 1
push 0
push 0
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
test eax, eax
je 0x412a75
push dword [esp + 8]
push dword [esp + 0x10]
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
push 0
push dword [esp + 4]
test eax, eax
jne 0x412a7c
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov eax, 2
pop ecx
ret
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
xor eax, eax
pop ecx
ret
Function at 0x41ba80
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x88
mov eax, dword [0x45f060]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
push ebp
push esi
mov esi, dword [esp + 0x98]
lea eax, [esp + 0xc]
push edi
push eax
lea eax, [esp + 0x18]
mov dword [esp + 0x14], 0x80
mov ebp, dword [esi + 0x194]
or edi, 0xffffffff
mov ebx, dword [esi]
push eax
push ebp
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x41bae2
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0x80
push eax
lea eax, [esp + 0x18]
push eax
push ebp
call dword [sym.imp.WS2_32.dll_accept]
mov edi, eax
push ebp
push esi
call fcn.00408560
add esp, 8
cmp edi, 0xffffffff
jne 0x41bb06
push str.Error_accept__ing_server_connect
push ebx
call fcn.00407bf0
add esp, 8
mov eax, 0x1e
jmp 0x41bb5e
push str.Connection_accepted_from_server_n
push ebx
call fcn.00407cd0
push 1
mov byte [esi + 0x370], 0
push edi
mov dword [esi + 0x194], edi
call fcn.004264b0
mov byte [esi + 0x1a1], 1
add esp, 0x10
mov eax, dword [ebx + 0x198]
test eax, eax
je 0x41bb5c
push 1
push edi
push dword [ebx + 0x19c]
call eax
add esp, 0xc
test eax, eax
je 0x41bb5c
push esi
call fcn.0041c020
add esp, 4
mov eax, 0x2a
jmp 0x41bb5e
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0042faff
add esp, 0x88
ret
Function at 0x420670
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x45f060]
xor eax, esp
mov dword [esp + 0x190], eax
push esi
mov esi, dword [esp + 0x19c]
lea eax, [esp + 4]
push eax
push 2
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x4206ae
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.00407bf0
add esp, 0xc
jmp 0x4206e9
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [esp + 4]
cmp al, 2
jne 0x4206db
shr eax, 8
test al, al
jne 0x4206db
xor eax, eax
pop esi
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.0042faff
add esp, 0x194
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.00407bf0
add esp, 8
mov ecx, dword [esp + 0x194]
mov eax, 2
pop esi
xor ecx, esp
call fcn.0042faff
add esp, 0x194
ret

Function at 0x420f90
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0xc]
push esi
mov esi, dword [esp + 0xc]
push edi
push 0
mov byte [esp + 0x16], al
lea eax, [esp + 0x14]
mov edi, dword [esi]
push 3
push eax
push dword [esi + 0x190]
mov byte [esp + 0x20], 0xff
mov byte [esp + 0x21], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x420fdc
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.00407bf0
add esp, 0xc
push dword [esp + 0x18]
push ebx
push str.SENT
push dword [esi]
call fcn.00420890
add esp, 0x10
pop edi
pop esi
pop ebx
ret