joyce8/EMBER2024-capa huggingface dataset:
Function at 0x447070
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [ecx + 4]
test eax, eax
je 0x44709d
push esi
lea esi, [edx + 1]
nop dword [eax + eax]
mov ecx, dword [eax + 0x98]
mov edx, esi
xor edx, ecx
and edx, 3
xor edx, ecx
mov dword [eax + 0x98], edx
mov eax, dword [eax + 8]
test eax, eax
jne 0x447080
pop esi
ret
Function at 0x454150
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push ebx
push esi
mov eax, ecx
mov ebx, edx
push edi
push 0
push 0x14
mov dword [ebp - 4], ebx
mov dword [ebp - 8], eax
mov dword [eax], 0
call fcn.00418960
mov esi, eax
add esp, 8
test esi, esi
jne 0x454185
lea eax, [esi + 7]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
cmp byte [0x570574], 0
je 0x4541d1
mov eax, dword [0x570670]
test eax, eax
je 0x4541a5
push 0xc8
call eax
add esp, 4
test eax, eax
jne 0x4541d1
mov eax, dword [ebp + 8]
lea edi, [esi + 8]
mov dword [edi], ebx
lea ebx, [esi + 4]
push ebx
push 0
push esi
push 0x41be50
push 0
push 0
mov dword [esi + 0xc], eax
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__beginthreadex]
add esp, 0x18
mov dword [esi], eax
test eax, eax
jne 0x4541e4
jmp 0x4541d7
lea edi, [esi + 8]
lea ebx, [esi + 4]
xorps xmm0, xmm0
movups xmmword [esi], xmm0
mov dword [esi + 0x10], 0
cmp dword [edi], 0
jne 0x4541fd
call dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
push dword [ebp + 8]
mov dword [ebx], eax
call dword [ebp - 4]
add esp, 4
mov dword [esi + 0x10], eax
mov eax, dword [ebp - 8]
pop edi
mov dword [eax], esi
xor eax, eax
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4de2e0
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5480ad
mov eax, dword fs:[0]
push eax
sub esp, 8
mov eax, dword [0x570400]
xor eax, ebp
mov dword [ebp - 0x10], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, edx
push 4
call fcn.00545169
mov ecx, dword [ebp + 8]
mov dword [ebp - 0x14], eax
mov ecx, dword [ecx]
mov dword [eax], ecx
lea edi, [esi + 4]
mov dword [ebp - 4], 0
push edi
push 0
push eax
push 0x4de390
push 0
push 0
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__beginthreadex]
add esp, 0x1c
mov dword [esi], eax
test eax, eax
jne 0x4de34d
push 6
mov dword [edi], eax
call dword [sym.imp.MSVCP140.dll_void___cdecl_std::_Throw_Cpp_error_int_]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.0054507b
mov esp, ebp
pop ebp
ret
Function at 0x4f5440
Capabilities:
Write file on windows

Disassembly:
push edi
mov edi, dword [esp + 8]
cmp byte [edi + 0x68a], 0
je 0x4f54df
cmp dword [edi + 0x194], 0
je 0x4f5497
push edi
call fcn.004f5ef0
push 1
push edi
mov byte [esp + 0x14], al
call fcn.004f6390
push dword [edi + 0x144]
mov eax, dword [edi + 0x194]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push edi
call eax
push dword [esp + 0x28]
push edi
call fcn.004f6390
add esp, 0x28
pop edi
ret
mov ecx, dword [esp + 0xc]
mov eax, ecx
sub eax, 0
je 0x4f54ac
sub eax, 1
je 0x4f54ac
sub eax, 1
jne 0x4f54df
push dword [edi + 0x140]
lea eax, [ecx*2 + 0x54b48c]
push 1
add eax, ecx
push 2
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
push dword [edi + 0x140]
push 1
push dword [esp + 0x2c]
push dword [esp + 0x2c]
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
add esp, 0x20
pop edi
ret

Function at 0x4f5980
Capabilities:
Generate random numbers via winapi

Disassembly:
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x1c]
mov ecx, 0x2b
test edi, edi
je 0x4f5a2b
mov ebp, dword [esp + 0x14]
mov esi, dword [esp + 0x18]
nop dword [eax]
mov ebx, 4
lea eax, [esp + 0x1c]
push 4
push eax
cmp edi, ebx
push ebp
cmovb ebx, edi
call fcn.004ff9e0
add esp, 0xc
cmp eax, 4
jne 0x4f59e6
cmp byte [0x572bb0], 0
jne 0x4f59f2
push 2
push eax
lea eax, [esp + 0x24]
mov dword [esp + 0x24], 0
push eax
push 0
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb eax, eax
and eax, 2
mov ecx, eax
test eax, eax
jne 0x4f5a2d
mov eax, dword [esp + 0x1c]
jmp 0x4f5a0f
imul eax, dword [0x572bac], 0x41c64e6d
add eax, 0x3039
mov dword [0x572bac], eax
rol eax, 0x10
xor ecx, ecx
mov dword [esp + 0x1c], eax
test ebx, ebx
je 0x4f5a23
mov byte [esi], al
dec edi
inc esi
shr eax, 8
sub ebx, 1
jne 0x4f5a13
mov dword [esp + 0x1c], eax
test edi, edi
jne 0x4f59a0
mov eax, ecx
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x4f5a40
Capabilities:
Generate random numbers via winapi

Disassembly:
push ebx
mov ebx, dword [esp + 0x10]
push ebp
push esi
push edi
mov edi, dword [esp + 0x18]
sub ebx, 1
je 0x4f5ae0
mov esi, dword [esp + 0x14]
mov ebp, 0x3e
nop
push 4
lea eax, [esp + 0x20]
push eax
push esi
call fcn.004ff9e0
add esp, 0xc
cmp eax, 4
je 0x4f5a7b
test eax, eax
jne 0x4f5ae5
jmp 0x4f5ac5
cmp byte [0x572bb0], 0
jne 0x4f5aaa
push 2
push 4
lea eax, [esp + 0x24]
mov dword [esp + 0x24], 0
push eax
push 0
call sub.bcrypt.dll_BCryptGenRandom
test eax, eax
je 0x4f5ac5
pop edi
pop esi
pop ebp
mov eax, 2
pop ebx
ret
imul eax, dword [0x572bac], 0x41c64e6d
add eax, 0x3039
mov dword [0x572bac], eax
rol eax, 0x10
mov dword [esp + 0x1c], eax
mov eax, dword [esp + 0x1c]
cmp eax, 0xfffffffc
jae 0x4f5a60
xor edx, edx
div ebp
mov al, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789]
mov byte [edi], al
inc edi
sub ebx, 1
jne 0x4f5a60
mov byte [edi], 0
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x4f5af0
Capabilities:
Generate random numbers via winapi

Disassembly:
push dword [esp + 8]
push 0
push dword [esp + 0xc]
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
push 2
push dword [esp + 0xc]
push dword [esp + 0xc]
push 0
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb eax, eax
and eax, 2
ret
Function at 0x4fb2c0
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x4fb36f
push esi
call fcn.005149c0
add esp, 4
test al, al
jne 0x4fb36f
push ebx
push edi
mov edi, esi
xor ebx, ebx
lea ecx, [edi + 1]
mov al, byte [edi]
inc edi
test al, al
jne 0x4fb2e7
sub edi, ecx
push edi
push 0x2e
push esi
call fcn.0051d5c0
add esp, 0xc
test eax, eax
je 0x4fb31b
sub eax, esi
push eax
push 0x2e
push esi
call fcn.0051d5c0
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x4fb31d
inc ebx
mov ecx, esi
sub ecx, ebx
add edi, ecx
test ebx, ebx
cmovne esi, ebx
lea ebx, [esi + edi]
mov edi, 0x1505
cmp esi, ebx
jae 0x4fb34e
nop dword [eax]
mov al, byte [esi]
push eax
call fcn.004f37d0
movsx ecx, al
inc esi
mov eax, edi
add esp, 4
shl eax, 5
add eax, edi
xor ecx, eax
mov edi, ecx
cmp esi, ebx
jb 0x4fb330
mov eax, 0x4104105
mov esi, edi
mul edi
sub esi, edx
shr esi, 1
add esi, edx
shr esi, 5
mov ecx, esi
shl ecx, 6
sub ecx, esi
sub edi, ecx
mov eax, edi
pop edi
pop ebx
pop esi
ret
xor eax, eax
pop esi
ret
Function at 0x507650
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 0x50766a
pop edi
pop ebx
pop ecx
ret
push ebp
push esi
push str.LoadLibraryExA
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [esp + 0x18]
mov ebp, eax
push 0x54ccfc
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strpbrk]
add esp, 8
test eax, eax
je 0x5076b3
test ebp, ebp
je 0x5076a4
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 0x5076d9
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x5076d9
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 0x50778f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x5076f6
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 0x507785
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x507785
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x507728
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 0x507740
sub ecx, edx
sub ecx, esi
add ecx, ebx
nop dword [eax]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x507750
test ebp, ebp
je 0x50777c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x570004]
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 [0x570004]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x511b90
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0xc
mov eax, dword [0x572ca0]
mov dword [esp + 4], 0x4020
mov dword [esp], 0
mov dword [esp + 8], 4
test eax, eax
jne 0x511be1
push 3
push 2
push eax
push eax
push 6
call fcn.005392a0
add esp, 0x14
test al, al
je 0x511bd5
mov dword [0x572ca0], 2
add esp, 0xc
ret
mov dword [0x572ca0], 1
jmp 0x511be6
cmp eax, 2
je 0x511c2c
lea eax, [esp + 8]
push eax
lea eax, [esp + 4]
push eax
push 0x1001
push 0xffff
push dword [esp + 0x20]
call dword [sym.imp.WS2_32.dll_getsockopt]
test eax, eax
jne 0x511c11
mov eax, dword [esp]
cmp eax, dword [esp + 4]
jg 0x511c2c
push 4
lea eax, [esp + 8]
push eax
push 0x1001
push 0xffff
push dword [esp + 0x20]
call dword [sym.imp.WS2_32.dll_setsockopt]
add esp, 0xc
ret
Function at 0x5126b0
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x104
mov eax, dword [0x570400]
xor eax, esp
mov dword [esp + 0x100], eax
mov ecx, dword [esp + 0x10c]
push ebx
mov ebx, dword [esp + 0x10c]
push ebp
push esi
push edi
mov eax, dword [ebx]
mov edi, dword [esp + 0x124]
push 0
push dword [esp + 0x124]
mov ebp, dword [eax + 8]
push ecx
mov dword [edi], 0
push dword [ebp + 0x98]
call dword [sym.imp.WS2_32.dll_recv]
mov esi, eax
cmp esi, 0xffffffff
jne 0x512750
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x51271d
mov dword [edi], 0x51
jmp 0x51274d
push 0x100
lea eax, [esp + 0x14]
push eax
push esi
call fcn.0051c950
push eax
push str.Recv_failure:__s
push dword [ebx + 4]
call fcn.004f54f0
mov eax, dword [ebx + 4]
add esp, 0x18
mov dword [eax + 0x8a8], esi
mov dword [edi], 0x38
or esi, 0xffffffff
push dword [edi]
push esi
push dword [ebp + 0x98]
push dword [esp + 0x12c]
push str.nw_in_read_len_zu__fd_d______d__err_d
push dword [ebx]
push dword [ebx + 4]
call fcn.004f5600
mov ecx, dword [esp + 0x12c]
add esp, 0x1c
mov eax, esi
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0054507b
add esp, 0x104
ret

Function at 0x512790
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x188
mov eax, dword [0x570400]
xor eax, esp
mov dword [esp + 0x184], eax
mov eax, dword [esp + 0x18c]
push ebx
mov ebx, dword [esp + 0x194]
push esi
mov esi, dword [eax + 8]
push edi
mov edi, dword [esi + 0x98]
cmp edi, 0xffffffff
je 0x5128c8
mov eax, dword [ebx + 0x18]
mov eax, dword [eax + 0x260]
test dword [eax + 0x48], 0x800
jne 0x5128c8
push 0x80
lea eax, [esp + 0x14]
mov dword [esp + 0x10], 0x80
push 0
push eax
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
lea eax, [esp + 0xc]
push eax
lea eax, [esp + 0x14]
push eax
push edi
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x512856
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [esp + 0x90]
push 0x100
push eax
push esi
call fcn.0051c950
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.004f54f0
add esp, 0x1c
mov eax, 2
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x184]
xor ecx, esp
call fcn.0054507b
add esp, 0x188
ret
lea eax, [esi + 0x11c]
push eax
lea eax, [esi + 0xea]
push eax
push dword [esp + 0x14]
lea eax, [esp + 0x1c]
push eax
call fcn.00506460
add esp, 0x10
test al, al
jne 0x5128c8
mov esi, dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__errno]
call esi
mov edi, dword [eax]
call esi
mov esi, eax
lea eax, [esp + 0x90]
push 0x100
push eax
push edi
call fcn.0051c950
push eax
push dword [esi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004f54f0
add esp, 0x1c
mov eax, 2
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x184]
xor ecx, esp
call fcn.0054507b
add esp, 0x188
ret
mov ecx, dword [esp + 0x190]
xor eax, eax
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.0054507b
add esp, 0x188
ret
Function at 0x514b60
Capabilities:
Create udp socket

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x514b9e
mov eax, dword [esi + 0x7c]
cmp byte [eax + 0x114], 0
jne 0x514b92
push 0
call fcn.00514b60
add esp, 4
test al, al
mov eax, dword [esi + 0x7c]
setne cl
inc cl
mov byte [eax + 0x114], cl
mov eax, dword [esi + 0x7c]
cmp byte [eax + 0x114], 2
pop esi
sete al
ret
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x514bb3
xor al, al
pop esi
ret
push eax
call dword [sym.imp.WS2_32.dll_closesocket]
mov al, 1
pop esi
ret

Function at 0x515900
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 0x6c
mov eax, dword [0x570400]
xor eax, esp
mov dword [esp + 0x68], eax
mov eax, dword [esp + 0x70]
push ebp
mov ebp, dword [esp + 0x78]
push edi
xor edi, edi
mov dword [esp + 8], eax
cmp byte [eax + 0x68a], 0
je 0x515ae2
cmp byte [ebp + 0x18], 0
push ebx
lea ebx, [ebp + 0x18]
je 0x515ae1
lea eax, [esp + 0x30]
push eax
push ebx
push 2
call fcn.00521cc0
add esp, 0xc
test eax, eax
jg 0x515ae1
lea eax, [esp + 0x34]
push eax
push ebx
push 0x17
call fcn.00521cc0
add esp, 0xc
test eax, eax
jg 0x515ae1
cmp byte [ebx], 0
mov eax, str._none_
push esi
push dword [ebp + 0x14]
mov esi, dword [ebp]
cmovne eax, ebx
mov ebp, dword [esp + 0x14]
push eax
push str.Host__s:_d_was_resolved.
push ebp
call fcn.004f55c0
lea eax, [esp + 0x24]
push 0x400
push eax
call fcn.004f5240
lea eax, [esp + 0x3c]
push 0x400
push eax
call fcn.004f5240
add esp, 0x20
test esi, esi
je 0x515a54
lea edx, [edi + 0x10]
mov ecx, dword [esi + 4]
cmp ecx, 0x17
je 0x5159c8
cmp ecx, 2
jne 0x515a49
xor eax, eax
mov byte [esp + 0x48], 0
cmp ecx, 2
lea ebx, [esp + 0x14]
cmovne eax, edx
add ebx, eax
sub ecx, 2
je 0x5159f7
sub ecx, 0x15
jne 0x515a0f
push 0x2e
lea eax, [esp + 0x4c]
push eax
mov eax, dword [esi + 0x18]
add eax, 8
push eax
push 0x17
jmp 0x515a07
push 0x2e
lea eax, [esp + 0x4c]
push eax
mov eax, dword [esi + 0x18]
add eax, 4
push eax
push 2
call fcn.00538200
add esp, 0x10
push ebx
call fcn.004f5260
add esp, 4
test eax, eax
je 0x515a2e
push 2
push 0x564a74
push ebx
call fcn.004f5200
add esp, 0xc
mov edi, eax
test edi, edi
jne 0x515a74
lea eax, [esp + 0x48]
push eax
push ebx
call fcn.004f51a0
mov edi, eax
add esp, 8
test edi, edi
jne 0x515a74
lea edx, [eax + 0x10]
mov esi, dword [esi + 0x1c]
test esi, esi
jne 0x5159b7
lea eax, [esp + 0x24]
push eax
call fcn.004f5260
add esp, 4
test eax, eax
je 0x515a84
lea eax, [esp + 0x24]
push eax
call fcn.004f5270
add esp, 4
jmp 0x515a89
push str.too_many_IP__cant_show
push ebp
call fcn.004f55c0
add esp, 8
jmp 0x515ac9
mov eax, str._none_
push eax
push str.IPv6:__s
push ebp
call fcn.004f55c0
lea eax, [esp + 0x20]
push eax
call fcn.004f5260
add esp, 0x10
test eax, eax
je 0x515ab5
lea eax, [esp + 0x14]
push eax
call fcn.004f5270
add esp, 4
jmp 0x515aba
mov eax, str._none_
push eax
push str.IPv4:__s
push ebp
call fcn.004f55c0
add esp, 0xc
lea eax, [esp + 0x14]
push eax
call fcn.004f5210
lea eax, [esp + 0x28]
push eax
call fcn.004f5210
add esp, 8
pop esi
pop ebx
mov ecx, dword [esp + 0x70]
pop edi
pop ebp
xor ecx, esp
call fcn.0054507b
add esp, 0x6c
ret
Function at 0x51dd30
Capabilities:
Move file

Disassembly:
sub esp, 0x20
push ebx
push ebp
push esi
lea eax, [esp + 0xc]
push edi
push eax
call fcn.004fb620
push dword [esp + 0x38]
mov esi, dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll__strdup]
movups xmm0, xmmword [eax]
movups xmmword [esp + 0x18], xmm0
call esi
push dword [esp + 0x40]
mov edi, eax
call esi
mov ebp, dword [sym.imp.KERNEL32.dll_MoveFileExA]
add esp, 0xc
mov esi, eax
push 1
push esi
push edi
call ebp
test eax, eax
jne 0x51ddc5
mov ebx, dword [sym.imp.KERNEL32.dll_Sleep]
nop dword [eax + eax]
lea eax, [esp + 0x20]
push eax
call fcn.004fb620
movups xmm0, xmmword [esp + 0x14]
sub esp, 0xc
mov ecx, esp
sub esp, 0x10
movups xmmword [ecx], xmm0
mov ecx, esp
movups xmm0, xmmword [eax]
movups xmmword [ecx], xmm0
call fcn.004fb6d0
add esp, 0x20
test edx, edx
ja 0x51dde9
jb 0x51ddb7
cmp eax, 0x3e8
ja 0x51dde9
push 1
call ebx
push 1
push esi
push edi
call ebp
test eax, eax
je 0x51dd80
mov ebx, dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
test edi, edi
je 0x51ddd5
push edi
call ebx
add esp, 4
test esi, esi
je 0x51dddf
push esi
call ebx
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x20
ret
mov ebx, dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
test edi, edi
je 0x51ddf9
push edi
call ebx
add esp, 4
test esi, esi
je 0x51de03
push esi
call ebx
add esp, 4
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x20
ret
Function at 0x51e2f0
Capabilities:
Resolve dns

Disassembly:
sub esp, 0x10
mov eax, dword [esp + 0x20]
push ebx
xor ebx, ebx
mov dword [esp + 0xc], ebx
mov dword [eax], ebx
lea eax, [esp + 0x10]
push eax
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [esp + 4], eax
test eax, eax
jne 0x51e481
push esi
mov esi, dword [esp + 0x14]
test esi, esi
je 0x51e46c
push ebp
push edi
mov eax, dword [esi + 0x14]
test eax, eax
je 0x51e34e
lea edx, [eax + 1]
nop dword [eax]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x51e340
sub eax, edx
lea ecx, [eax + 1]
jmp 0x51e350
xor ecx, ecx
mov eax, dword [esi + 4]
mov dword [esp + 0x14], ecx
cmp eax, 2
jne 0x51e361
lea ebp, [eax + 0xe]
jmp 0x51e36d
cmp eax, 0x17
jne 0x51e40e
lea ebp, [eax + 5]
cmp dword [esi + 0x18], 0
je 0x51e40e
mov eax, dword [esi + 0x10]
test eax, eax
je 0x51e40e
cmp eax, ebp
jb 0x51e40e
lea eax, [ecx + 0x20]
add eax, ebp
push eax
call dword [section..data]
mov edi, eax
add esp, 4
test edi, edi
je 0x51e45d
mov ecx, dword [esi]
mov dword [edi], ecx
mov ecx, dword [esi + 4]
mov dword [edi + 4], ecx
mov ecx, dword [esi + 8]
mov dword [edi + 8], ecx
mov eax, dword [esi + 0xc]
mov dword [edi + 0xc], eax
lea eax, [edi + 0x20]
push ebp
mov dword [edi + 0x10], ebp
mov dword [edi + 0x14], 0
mov dword [edi + 0x1c], 0
mov dword [edi + 0x18], eax
push dword [esi + 0x18]
push eax
call sub.VCRUNTIME140.dll_memcpy
mov ecx, dword [esp + 0x20]
add esp, 0xc
test ecx, ecx
je 0x51e3fa
mov eax, dword [edi + 0x18]
add eax, ebp
push ecx
mov dword [edi + 0x14], eax
push dword [esi + 0x14]
push eax
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
mov eax, dword [esp + 0x18]
test ebx, ebx
cmove ebx, edi
test eax, eax
je 0x51e40a
mov dword [eax + 0x1c], edi
mov dword [esp + 0x18], edi
mov esi, dword [esi + 0x1c]
test esi, esi
jne 0x51e332
mov esi, dword [esp + 0x10]
mov eax, dword [esp + 0x1c]
pop edi
pop ebp
test eax, eax
je 0x51e42e
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test esi, esi
je 0x51e468
test ebx, ebx
je 0x51e44d
mov esi, dword [ebx + 0x1c]
push ebx
call dword [0x570004]
add esp, 4
mov ebx, esi
test esi, esi
jne 0x51e436
mov esi, dword [esp + 8]
mov eax, dword [esp + 0x28]
xor ebx, ebx
mov dword [eax], ebx
mov eax, esi
pop esi
pop ebx
add esp, 0x10
ret
mov esi, 8
mov dword [esp + 0x10], esi
jmp 0x51e41d
test ebx, ebx
jne 0x51e478
mov esi, 0x2af9
push esi
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x28]
mov dword [eax], ebx
mov eax, esi
pop esi
pop ebx
add esp, 0x10
ret

Function at 0x51e880
Capabilities:
Create thread

Disassembly:
push 0
push 0
push dword [esp + 0x10]
push dword [esp + 0x10]
push 0
push 0
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__beginthreadex]
add esp, 0x18
test eax, eax
je 0x51e8a2
cmp eax, 0xffffffff
jne 0x51e8a4
xor eax, eax
ret
Function at 0x521890
Capabilities:
Query environment variable

Disassembly:
push ebx
push ebp
xor ebp, ebp
push esi
push edi
lea esi, [ebp + 1]
push esi
push ebp
call dword [0x570008]
mov edi, eax
add esp, 8
test edi, edi
je 0x5218e7
nop word [eax + eax]
push esi
push edi
push dword [esp + 0x1c]
mov ebp, edi
mov ebx, esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
mov esi, eax
test esi, esi
je 0x5218ff
cmp esi, ebx
je 0x5218ff
cmp esi, 0x8000
ja 0x5218ff
cmp esi, ebx
jb 0x5218f8
push esi
push edi
call dword [0x570008]
mov edi, eax
add esp, 8
test edi, edi
jne 0x5218b0
push ebp
call dword [0x570004]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret
push edi
call dword [0x570004]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x5230f0
Capabilities:
Send data
Send data on socket

Disassembly:
mov ecx, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0xc]
push esi
mov esi, dword [esp + 0xc]
push 0
mov byte [esp + 0x12], cl
lea ecx, [esp + 0x10]
push 3
mov eax, dword [esi + 0x18]
push ecx
mov byte [esp + 0x18], 0xff
mov byte [esp + 0x19], bl
push dword [eax + 0x1a0]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x52313c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004f54f0
add esp, 0xc
push dword [esp + 0x14]
push ebx
push str.SENT
push esi
call fcn.00522d10
add esp, 0x10
pop esi
pop ebx
ret
Function at 0x5232a0
Capabilities:
Send data
Send data on socket

Disassembly:
push ecx
cmp dword [esp + 0xc], 0x1f
push ebx
mov ebx, dword [esp + 0xc]
push ebp
mov eax, dword [ebx + 0x18]
mov ebp, dword [ebx + 0x124]
mov dword [esp + 8], eax
jne 0x5233ef
push esi
push edi
lea eax, [ebp + 0x1cc4]
lea edi, [ebp + 0x1ec4]
mov dword [edi], eax
cmp eax, edi
jae 0x5232ed
mov byte [eax], 0xff
inc eax
mov dword [edi], eax
cmp eax, edi
jae 0x5232ed
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x5232ed
mov byte [eax], 0x1f
inc dword [edi]
movzx eax, word [ebp + 0x1ca8]
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
movzx eax, ax
mov dword [esp + 0x18], eax
movzx eax, word [ebp + 0x1caa]
push eax
call esi
mov edx, dword [esp + 0x18]
movzx ecx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x523357
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x523357
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x523357
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x523357
shr ecx, 8
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x523357
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x523357
mov byte [eax], 0xf0
mov eax, dword [edi]
inc eax
mov dword [ebp + 0x1ec8], eax
lea esi, [ebp + 0x1cc4]
sub eax, esi
mov dword [edi], esi
sub eax, 2
push eax
lea eax, [ebp + 0x1cc6]
push eax
push 0x3e
push ebx
call fcn.00522e10
mov eax, dword [esp + 0x20]
add esp, 0x10
mov edi, dword [sym.imp.WS2_32.dll_send]
push 0
push 3
push esi
push dword [eax + 0x1a0]
call edi
mov esi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x5233af
call esi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004f54f0
add esp, 0xc
push 4
lea eax, [ebp + 0x1cc7]
push eax
push ebx
call fcn.00523160
add esp, 0xc
lea eax, [ebp + 0x1ccb]
push 0
push 2
push eax
mov eax, dword [esp + 0x1c]
push dword [eax + 0x1a0]
call edi
test eax, eax
jns 0x5233ed
call esi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004f54f0
add esp, 0xc
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret