joyce8/EMBER2024-capa huggingface dataset:
Function at 0x401200
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x1c
mov ecx, dword [ebp + 8]
push ebx
xor al, al
push esi
push edi
mov byte [esp + 0x13], al
test ecx, ecx
je 0x40131b
cmp dword [ecx], 0x756470
jne 0x40131b
cmp dword [ebp + 0xc], 0
je 0x40131b
mov esi, dword [ebp + 0x10]
test esi, esi
je 0x40131b
lea edi, [esi + 4]
push edi
call fcn.0040a1b0
mov ebx, eax
mov eax, dword [ebp + 0xc]
push esi
push eax
lea ecx, [ebx + 4]
push ecx
mov dword [esp + 0x24], ebx
mov dword [ebx], esi
call sub.ntdll.dll_memcpy
xor eax, eax
mov dword [esp + 0x2a], eax
mov dword [esp + 0x2e], eax
mov dword [esp + 0x32], eax
mov word [esp + 0x36], ax
mov eax, dword [ebp + 0x18]
add esp, 0x10
mov edx, 2
push eax
mov word [esp + 0x1c], dx
call dword [sym.imp.WS2_32.dll_htons]
mov ecx, dword [ebp + 0x14]
mov word [esp + 0x1a], ax
mov dword [esp + 0x1c], ecx
test edi, edi
je 0x4012f1
mov eax, dword [ebp + 8]
mov ecx, dword [eax + 8]
push 0x10
lea edx, [esp + 0x1c]
push edx
push 0
push edi
push ebx
push ecx
call dword [sym.imp.WS2_32.dll_sendto]
mov esi, eax
cmp esi, 0xffffffff
je 0x4012e9
mov edx, dword [ebp + 8]
push esi
add edx, 0x1c
push edx
call dword [sym.imp.KERNEL32.dll_InterlockedExchangeAdd]
sub edi, esi
add ebx, esi
test edi, edi
jne 0x401297
mov ebx, dword [esp + 0x14]
push ebx
mov byte [esp + 0x17], 1
call fcn.0040a3c0
mov al, byte [esp + 0x17]
add esp, 4
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
test edi, edi
jne 0x40130a
mov ebx, dword [esp + 0x14]
push ebx
mov byte [esp + 0x17], 1
call fcn.0040a3c0
mov al, byte [esp + 0x17]
add esp, 4
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov ebx, dword [esp + 0x14]
push ebx
call fcn.0040a3c0
mov al, byte [esp + 0x17]
add esp, 4
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x4013b0
Capabilities:
Create tcp socket
Create thread
Create udp socket

Disassembly:
sub esp, 0x10
push esi
push 0x24
call fcn.00409fa0
add esp, 4
push 0
push 0
mov esi, eax
push 1
push 0
mov dword [esi], 0x756470
mov dword [esi + 4], 1
call dword [sym.imp.KERNEL32.dll_CreateEventA]
push 0x11
push 2
push 2
mov dword [esi + 0x10], eax
call dword [sym.imp.WS2_32.dll_socket]
mov dword [esi + 8], eax
cmp eax, 0xffffffff
jne 0x4013fd
push esi
call fcn.00401330
add esp, 4
xor esi, esi
test esi, esi
je 0x401462
xor eax, eax
mov dword [esp + 6], eax
mov dword [esp + 0xa], eax
mov dword [esp + 0xe], eax
mov word [esp + 0x12], ax
mov eax, 2
push 0x10
lea ecx, [esp + 8]
mov word [esp + 8], ax
mov edx, dword [esi + 8]
push ecx
push edx
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
jne 0x401444
push esi
call fcn.00401330
add esp, 4
xor eax, eax
pop esi
add esp, 0x10
ret
mov eax, dword [esp + 0x18]
push 0
push 0
push esi
push 0x401100
push 0
push 0
mov dword [esi + 0xc], eax
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [esi + 0x14], eax
mov eax, esi
pop esi
add esp, 0x10
ret
Function at 0x401470
Capabilities:
Create tcp socket
Create thread
Create udp socket
Set socket configuration

Disassembly:
sub esp, 0x10
push edi
mov edi, dword [esp + 0x1c]
xor eax, eax
test di, di
je 0x401576
push ebx
mov ebx, dword [esp + 0x24]
test ebx, ebx
je 0x401575
push esi
push 0x24
call fcn.00409fa0
add esp, 4
push 0
push 0
mov esi, eax
push 1
push 0
mov dword [esi], 0x756470
mov dword [esi + 4], 0
call dword [sym.imp.KERNEL32.dll_CreateEventA]
push 0x11
push 2
push 2
mov dword [esi + 0x10], eax
call dword [sym.imp.WS2_32.dll_socket]
mov dword [esi + 8], eax
cmp eax, 0xffffffff
jne 0x4014da
push esi
call fcn.00401330
add esp, 4
xor esi, esi
test esi, esi
je 0x401572
xor eax, eax
mov dword [esp + 0xe], eax
mov dword [esp + 0x12], eax
mov dword [esp + 0x16], eax
mov word [esp + 0x1a], ax
mov eax, dword [esp + 0x20]
mov ecx, 2
push edi
mov dword [esp + 0x14], eax
mov word [esp + 0x10], cx
call dword [sym.imp.WS2_32.dll_htons]
push 1
lea edx, [esp + 0x28]
push edx
push 4
mov word [esp + 0x1a], ax
mov byte [esp + 0x30], 1
mov eax, dword [esi + 8]
push 0xffff
push eax
call dword [sym.imp.WS2_32.dll_setsockopt]
mov edx, dword [esi + 8]
push 0x10
lea ecx, [esp + 0x10]
push ecx
push edx
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
jne 0x401558
push esi
call fcn.00401330
add esp, 4
pop esi
pop ebx
xor eax, eax
pop edi
add esp, 0x10
ret
push 0
push 0
push esi
push 0x401100
push 0
push 0
mov dword [esi + 0xc], ebx
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [esi + 0x14], eax
mov eax, esi
pop esi
pop ebx
pop edi
add esp, 0x10
ret

Function at 0x401ae0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebx
mov ebx, dword [sym.imp.WS2_32.dll_WSASend]
push ebp
mov ebp, dword [esp + 0xc]
mov ecx, dword [ebp + 0x260]
push edi
push 0
push esi
push 0
lea eax, [esp + 0x1c]
push eax
push 1
lea edi, [esi + 0x1c]
push edi
push ecx
mov dword [esp + 0x2c], 0
call ebx
test eax, eax
je 0x401b50
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
cmp eax, 0x3e5
je 0x401b50
cmp eax, 0x2733
jne 0x401b56
push 1
call dword [sym.imp.KERNEL32.dll_Sleep]
mov eax, dword [ebp + 0x260]
push 0
push esi
push 0
lea edx, [esp + 0x1c]
push edx
push 1
push edi
push eax
mov dword [esp + 0x2c], 0
call ebx
test eax, eax
jne 0x401b12
pop edi
pop ebp
mov al, 1
pop ebx
ret
pop edi
pop ebp
xor al, al
pop ebx
ret
Function at 0x401d60
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x1c
cmp dword [esp + 0x20], 0
push esi
push edi
mov esi, eax
mov edi, ecx
jne 0x401ef2
test ebx, ebx
je 0x401ef2
call fcn.0040d6b0
push eax
lea eax, [edi + 4]
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedExchange]
mov eax, dword [esi + 0x18]
sub eax, 0
je 0x401e4e
sub eax, 1
jne 0x401f49
cmp byte [edi + 0x275], al
je 0x401dbc
add edi, 0x21c
push edi
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
pop edi
pop esi
add esp, 0x1c
ret
lea ecx, [edi + 0x21c]
push ecx
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
mov edx, dword [edi + 0x27c]
push ebx
add edx, 0x44
push edx
call dword [sym.imp.KERNEL32.dll_InterlockedExchangeAdd]
mov eax, dword [edi + 0x264]
mov ecx, dword [edi + 0x268]
mov edx, dword [edi + 0x26c]
mov dword [esp + 8], eax
mov eax, dword [edi + 0x270]
mov dword [esp + 0xc], ecx
mov ecx, dword [edi + 0x278]
mov dword [esp + 0x14], eax
mov dword [esp + 0x10], edx
mov dword [esp + 0x18], ecx
mov ecx, dword [edi + 0x27c]
lea eax, [esp + 8]
lea edx, [edi + 8]
push eax
mov dword [esp + 0x20], edx
push ecx
mov ecx, 3
mov edx, edi
mov dword [esp + 0x28], ebx
call fcn.00401740
add esp, 8
mov eax, edi
call fcn.00401cf0
test al, al
jne 0x401f49
mov byte [edi + 0x275], 1
pop edi
pop esi
add esp, 0x1c
ret
cmp byte [edi + 0x275], 0
je 0x401e67
add esi, 0x14
push esi
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
pop edi
pop esi
add esp, 0x1c
ret
add dword [esi + 0x28], ebx
mov eax, dword [esi + 0x28]
cmp eax, dword [esi + 0x24]
jae 0x401e87
add dword [esi + 0x20], ebx
sub dword [esi + 0x1c], ebx
push edi
call fcn.00401ae0
add esp, 4
pop edi
pop esi
add esp, 0x1c
ret
lea edx, [esi + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
mov ecx, dword [edi + 0x268]
mov edx, dword [edi + 0x26c]
mov eax, dword [edi + 0x264]
mov dword [esp + 0xc], ecx
mov ecx, dword [edi + 0x278]
mov dword [esp + 0x10], edx
mov edx, dword [esi + 0x30]
mov dword [esp + 0x18], ecx
mov dword [esp + 8], eax
mov eax, dword [edi + 0x270]
mov dword [esp + 0x1c], edx
mov edx, dword [edi + 0x27c]
lea ecx, [esp + 8]
push ecx
mov dword [esp + 0x18], eax
mov eax, dword [esi + 0x28]
push edx
mov ecx, 2
mov edx, edi
mov dword [esp + 0x28], eax
call fcn.00401740
add esp, 8
pop edi
pop esi
add esp, 0x1c
ret
add esi, 0x14
push esi
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
push 4
lea edx, [esp + 0x2c]
push edx
mov eax, 1
push 0x80
mov word [esp + 0x34], ax
mov eax, dword [edi + 0x260]
push 0xffff
xor ecx, ecx
push eax
mov byte [edi + 0x275], 1
mov word [esp + 0x3e], cx
call dword [sym.imp.WS2_32.dll_setsockopt]
mov ecx, dword [edi + 0x260]
push ecx
call dword [sym.imp.WS2_32.dll_closesocket]
mov dword [edi + 0x260], 0xffffffff
pop edi
pop esi
add esp, 0x1c
ret
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.00409fa0
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.0040d340
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.0040d370
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.0040d370
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 0x405b60
Capabilities:
Get file size
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
push 0x4163b8
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
push 0
push 0
push 3
push 0
push 0
push accept
push 0x4165e8
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0xffffffff
je 0x405c85
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 0x405c7b
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 0x405c71
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 0x405c67
cmp dword [ebp - 0x10], 0x100
jae 0x405bfe
jmp 0x405c67
mov ecx, dword [ebp - 0x14]
push ecx
call fcn.0040ca30
add esp, 4
mov dword [ebp - 0x18], eax
cmp dword [ebp - 0x18], 0
jne 0x405c15
jmp 0x405c67
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 0x405c3a
mov edx, dword [ebp - 0x18]
push edx
call fcn.0040a3c0
add esp, 4
jmp 0x405c67
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.00405c90
add esp, 0x10
mov ecx, dword [ebp - 0x18]
mov edx, dword [ebp - 0x10]
sub edx, dword [ecx + 0xc]
mov dword [ebp - 0x10], edx
jmp 0x405bed
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 0x406400
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 0x4126f0
push 1
push 0
push 0x412710
call dword [sym.imp.ole32.dll_CoCreateInstance]
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
jl 0x406502
cmp dword [ebp - 8], 0
je 0x406502
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 0x412700
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 0x4064f4
cmp dword [ebp - 0xc], 0
je 0x4064f4
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 0x407280
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [ebp + 0x10]
add eax, 1
push eax
call fcn.0040a1b0
add esp, 4
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
je 0x4072d7
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 0x4072e0
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 0x4091e0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
cmp dword [ebp + 0x14], 0
jne 0x4091f1
jmp 0x4093a4
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 0x409241
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 0x409268
mov edx, dword [ebp - 4]
add edx, 1
mov dword [ebp - 4], edx
mov eax, dword [ebp - 4]
cmp eax, dword [ebp - 8]
jge 0x4093a4
mov ecx, dword [ebp - 8]
sub ecx, 1
cmp dword [ebp - 4], ecx
je 0x4092a0
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 0x4092f9
mov eax, dword [ebp + 0x14]
xor edx, edx
mov ecx, 8
div ecx
test edx, edx
jne 0x4092b9
mov dword [ebp - 0x24], 8
jmp 0x4092c8
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 0x40932f
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 0x40939f
cmp dword [ebp - 0x14], 8
jle 0x40933e
mov dword [ebp - 0x28], 8
jmp 0x409344
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 0x4092f9
jmp 0x40925f
mov esp, ebp
pop ebp
ret
Function at 0x40a530
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 0x40a580
mov eax, dword [ebp - 0x28]
add eax, 1
mov dword [ebp - 0x28], eax
cmp dword [ebp - 0x28], 0
je 0x40a5dd
mov ecx, dword [ebp - 0x28]
push ecx
mov edx, dword [ebp - 0x18]
push edx
call fcn.0040a690
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 0x40a577
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 0x40a62d
cmp dword [ebp - 0x30], 2
je 0x40a61d
cmp dword [ebp - 0x30], 3
je 0x40a60d
jmp 0x40a663
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.0040a6a0
add esp, 4
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
mov esp, ebp
pop ebp
ret

Function at 0x40a6a0
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 0x40ac50
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 0x40ac89
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 0x40ac89
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 0x40ac90
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 0x411958
call fcn.0040ac50
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 0x40ad40
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 0x40ad34
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.0040ad50
add esp, 4
mov eax, dword [ebp - 4]
mov esp, ebp
pop ebp
ret