joyce8/EMBER2024-capa huggingface dataset:
Function at 0x46c08a
Capabilities:
Create shortcut via ishelllink

Disassembly:
mov eax, 0x4a5f33
call fcn.004a5298
push ecx
push ecx
push ebx
push edi
xor ebx, ebx
push ebx
xor edi, edi
call dword [sym.imp.ole32.dll_CoInitialize]
mov dword [ebp - 0x10], ebx
mov dword [ebp - 4], ebx
mov dword [ebp - 0x14], ebx
lea eax, [ebp - 0x10]
push eax
push 0x4af3a0
push 1
push ebx
push 0x4af3c0
mov byte [ebp - 4], 1
call dword [sym.imp.ole32.dll_CoCreateInstance]
cmp eax, ebx
jl 0x46c13a
mov eax, dword [esi + 8]
mov ecx, dword [ebp - 0x10]
mov edx, dword [ecx]
push eax
push ecx
call dword [edx + 0x50]
mov eax, dword [esi + 0xc]
mov ecx, dword [ebp - 0x10]
mov edx, dword [ecx]
push eax
push ecx
call dword [edx + 0x24]
mov eax, dword [esi + 0x10]
mov ecx, dword [ebp - 0x10]
mov edx, dword [ecx]
push eax
push ecx
call dword [edx + 0x2c]
mov eax, dword [esi + 4]
mov ecx, dword [ebp - 0x10]
mov edx, dword [ecx]
push eax
push ecx
call dword [edx + 0x1c]
push dword [esi + 0x18]
mov eax, dword [esi + 0x14]
mov ecx, dword [ebp - 0x10]
mov edx, dword [ecx]
push eax
push ecx
call dword [edx + 0x44]
mov eax, dword [ebp - 0x10]
mov ecx, dword [eax]
lea edx, [ebp - 0x14]
push edx
push 0x4af400
push eax
call dword [ecx]
cmp eax, ebx
jl 0x46c13a
mov eax, dword [ebp + 8]
mov eax, dword [eax]
mov ecx, dword [ebp - 0x14]
mov edx, dword [ecx]
push 1
push eax
push ecx
call dword [edx + 0x18]
cmp eax, ebx
jl 0x46c13a
inc edi
call dword [sym.imp.ole32.dll_CoUninitialize]
mov byte [ebp - 4], bl
mov eax, dword [ebp - 0x14]
cmp eax, ebx
je 0x46c150
mov ecx, dword [eax]
push eax
call dword [ecx + 8]
or dword [ebp - 4], 0xffffffff
mov eax, dword [ebp - 0x10]
cmp eax, ebx
je 0x46c161
mov ecx, dword [eax]
push eax
call dword [ecx + 8]
mov ecx, dword [ebp - 0xc]
mov eax, edi
pop edi
pop ebx
mov dword fs:[0], ecx
leave
ret
Function at 0x46ca68
Capabilities:
Check if file exists
Delete file

Disassembly:
mov eax, 0x4a886e
call fcn.004a5298
sub esp, 0x10
push ebx
push esi
mov esi, ecx
xor ebx, ebx
call fcn.004090f3
cmp eax, 0xc
jne 0x46cb4d
lea eax, [ebp - 0x14]
push edi
push eax
call fcn.0046bf05
mov dword [ebp - 4], ebx
lea eax, [ebp - 0x14]
mov dword [esp], 0x4bce98
push eax
call fcn.0040605d
mov eax, dword [0x4d6fec]
mov ecx, 0x4d6fec
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x18], eax
mov byte [ebp - 4], 1
push dword [esi]
lea eax, [ebp - 0x18]
push dword [ebp - 0x14]
push str._s_s.lnk
call fcn.004065c2
add esp, 0xc
lea edi, [esi + 0x1c]
lea eax, [ebp - 0x18]
call fcn.00404ead
mov edi, dword [ebp - 0x18]
push edi
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
lea eax, [ebp - 0x10]
push eax
call fcn.0046bfec
lea eax, [ebp - 0x10]
push eax
mov byte [ebp - 4], 2
call fcn.0046c08a
mov ebx, eax
test ebx, ebx
pop ecx
pop ecx
je 0x46cb2e
push dword [esi]
lea ecx, [ebp - 0x10]
push str._s.lnk
call fcn.0042b1f9
lea eax, [ebp - 0x1c]
push eax
push dword [ebp - 0x10]
call fcn.0046ca2e
add esp, 0x10
push dword [ebp - 0x10]
mov ebx, eax
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
mov eax, dword [ebp - 0x10]
add eax, 0xfffffff0
call fcn.0040589c
lea eax, [edi - 0x10]
call fcn.0040589c
mov eax, dword [ebp - 0x14]
add eax, 0xfffffff0
call fcn.0040589c
pop edi
mov ecx, dword [ebp - 0xc]
pop esi
mov eax, ebx
pop ebx
mov dword fs:[0], ecx
leave
ret

Function at 0x46ffa0
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
push 0xffffffffffffffff
push 0x4a8096
mov eax, dword fs:[0]
push eax
push esi
push edi
mov eax, dword [0x4d2168]
xor eax, esp
push eax
lea eax, [esp + 0xc]
mov dword fs:[0], eax
mov esi, dword [esp + 0x1c]
mov dword [esi], 0x4bd000
push 0x400
mov dword [esi + 8], 0x400
call fcn.00487985
xor edi, edi
mov dword [esi + 4], eax
mov dword [esi + 0xc], edi
mov dword [esp + 0x18], edi
push 0x400
mov dword [esi + 0x14], 0x400
call fcn.00487985
add esp, 8
mov dword [esi + 0x10], eax
mov dword [esi + 0x18], edi
mov dword [esi + 0x20], edi
mov dword [esi + 0x24], edi
mov dword [esi + 0x28], edi
mov word [esi + 0x2c], di
mov dword [esi + 0x30], 1
mov eax, esi
mov ecx, dword [esp + 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
add esp, 0xc
ret 4
Function at 0x4700e0
Capabilities:
Encode data using xor

Disassembly:
push 0xffffffffffffffff
push 0x4a61f6
mov eax, dword fs:[0]
push eax
sub esp, 0x8c
push ebx
push esi
push edi
mov eax, dword [0x4d2168]
xor eax, esp
push eax
lea eax, [esp + 0x9c]
mov dword fs:[0], eax
mov eax, dword [0x4d6fec]
mov edx, dword [eax + 0xc]
mov ecx, 0x4d6fec
call edx
add eax, 0x10
mov dword [esp + 0x14], eax
mov ecx, dword [esp + 0xb0]
push 0xfde9
push ecx
lea edx, [esp + 0x20]
xor ebx, ebx
lea eax, [esp + 0x24]
mov dword [esp + 0xac], ebx
push edx
mov dword [esp + 0x24], eax
call fcn.00406b46
mov byte [esp + 0xa4], 1
mov eax, dword [esp + 0x18]
cmp eax, ebx
mov esi, eax
jne 0x470160
xor eax, eax
jmp 0x470169
push eax
call fcn.00488160
add esp, 4
push eax
push esi
lea eax, [esp + 0x1c]
call fcn.00407b39
mov byte [esp + 0xa4], bl
mov eax, dword [esp + 0x18]
lea ecx, [esp + 0x1c]
cmp eax, ecx
je 0x470190
push eax
call fcn.0048a952
add esp, 4
mov edi, dword [esp + 0x14]
mov eax, dword [edi - 0xc]
movzx ecx, ax
movzx edx, ax
xor eax, eax
cmp ecx, ebx
mov dword [esp + 0x10], edx
jle 0x4701b2
xor byte [eax + edi], 0x88
add eax, 1
cmp eax, ecx
jl 0x4701a7
mov esi, dword [esp + 0xac]
lea eax, [esp + 0x10]
add esi, 4
push eax
mov ebx, 2
call fcn.004715b0
movzx ebx, word [esp + 0x10]
push edi
call fcn.004715b0
lea eax, [edi - 0x10]
mov dword [esp + 0xa4], 0xffffffff
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x4701fd
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov ecx, dword [esp + 0x9c]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
add esp, 0x98
ret 8
Function at 0x471fb0
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x4d2168]
xor eax, esp
mov dword [esp + 0x190], eax
lea eax, [esp]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x472000
mov ax, word [esp]
cmp al, 2
jne 0x471ffa
cmp ah, al
jne 0x471ffa
xor eax, eax
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.0048f610
add esp, 0x194
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov ecx, dword [esp + 0x190]
xor ecx, esp
mov eax, 2
call fcn.0048f610
add esp, 0x194
ret
Function at 0x47bd10
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 8]
mov edx, dword [esp + 4]
push 0
push eax
push ecx
push edx
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, 0xffffffff
jne 0x47bd42
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
sub eax, 0x2733
neg eax
sbb eax, eax
and eax, 0x39
add eax, 0xffffffff
ret
mov ecx, dword [esp + 0x10]
mov dword [ecx], eax
xor eax, eax
ret

Function at 0x47bea0
Capabilities:
Write file on windows

Disassembly:
mov ecx, dword [esi + 0x140]
test ecx, ecx
je 0x47bebb
mov edx, dword [esi + 0xe4]
push edx
push edi
push ebx
push eax
push esi
call ecx
add esp, 0x14
ret
test eax, eax
jl 0x47beef
cmp eax, 2
jg 0x47beef
mov ecx, dword [esi + 0xe0]
push ecx
push 1
lea edx, [eax + eax*2 + 0x4acab8]
push 2
push edx
call fcn.0048c994
mov eax, dword [esi + 0xe0]
push eax
push 1
push edi
push ebx
call fcn.0048c994
add esp, 0x20
xor eax, eax
ret

Function at 0x47c120
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [edi + eax*4 + 0xd4]
push esi
push 0
push ecx
push edx
push eax
call dword [sym.imp.WS2_32.dll_send]
mov esi, eax
cmp esi, 0xffffffff
jne 0x47c165
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
cmp eax, 0x2733
jne 0x47c14b
xor eax, eax
pop esi
ret
push eax
push edi
call fcn.00486770
push eax
mov eax, dword [edi]
push str.Send_failure:__s
push eax
call fcn.0047c080
add esp, 0x14
mov eax, esi
pop esi
ret
Function at 0x47c7d0
Capabilities:
Set socket configuration

Disassembly:
push ecx
push esi
mov esi, dword [edi]
movzx eax, byte [esi + 0x286]
push 4
lea ecx, [esp + 8]
push ecx
push 1
push 6
push edx
mov dword [esp + 0x18], eax
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jge 0x47c814
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.00486770
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.0047bff0
add esp, 0x14
pop esi
pop ecx
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.0047bff0
add esp, 8
pop esi
pop ecx
ret
Function at 0x47cc60
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov ecx, dword [esp + 4]
mov eax, dword [ecx + 0x458]
cmp eax, 0xffffffff
je 0x47ccc6
mov ecx, dword [ecx + 0x44c]
mov edx, dword [ecx]
cmp dword [edx + eax*4], 0
lea eax, [edx + eax*4]
je 0x47ccc6
mov ecx, dword [esp + 0xc]
test ecx, ecx
mov eax, dword [eax]
je 0x47cc8c
mov dword [ecx], eax
mov ecx, dword [eax + 0xd4]
push esi
mov esi, dword [esp + 0xc]
mov dword [esi], ecx
cmp byte [eax + 0xdc], 0
jne 0x47ccbc
mov eax, dword [eax + 0xd4]
push 2
push 1
lea edx, [esp + 0x10]
push edx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jne 0x47ccc2
mov dword [esi], 0xffffffff
pop esi
xor eax, eax
ret
mov ecx, dword [esp + 8]
mov dword [ecx], 0xffffffff
xor eax, eax
ret
Function at 0x47e720
Capabilities:
Create thread

Disassembly:
sub esp, 0xc
push ebx
push esi
push 1
push 0x24
call dword [0x4d2010]
xor ebx, ebx
mov esi, eax
add esp, 8
cmp esi, ebx
mov dword [esp + 0xc], ebx
mov dword [esp + 0x10], ebx
jne 0x47e752
push 0xc
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop esi
xor al, al
pop ebx
add esp, 0xc
ret
mov eax, dword [edi + 0x2bc]
push ebp
lea ebp, [edi + 0x2bc]
push eax
mov dword [esp + 0x10], ebp
call fcn.00473240
mov ecx, dword [esp + 0x20]
push ecx
call dword [0x4d200c]
add esp, 8
cmp eax, ebx
mov dword [ebp], eax
jne 0x47e799
push esi
call dword [0x4d2004]
add esp, 4
push 0xc
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop ebp
pop esi
xor al, al
pop ebx
add esp, 0xc
ret
mov edx, dword [esp + 0x20]
push ebx
push 1
mov dword [edi + 0x2c0], edx
mov byte [edi + 0x2c8], bl
mov dword [edi + 0x2cc], ebx
mov dword [edi + 0x2c4], ebx
mov dword [edi + 0x2d0], esi
push ebx
mov dword [esi + 0xc], 0xffffffff
call dword [sym.imp.KERNEL32.dll_CreateMutexW]
cmp eax, ebx
mov dword [esi + 0x10], eax
jne 0x47e7d6
push ebp
jmp 0x47e829
mov ebp, dword [sym.imp.KERNEL32.dll_CreateEventW]
push ebx
push ebx
push 1
push ebx
call ebp
cmp eax, ebx
mov dword [esi + 0x14], eax
je 0x47e824
push ebx
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_CreateMutexW]
cmp eax, ebx
mov dword [esi + 0x1c], eax
jne 0x47e801
mov ecx, dword [esp + 0xc]
push ecx
jmp 0x47e829
push ebx
push ebx
push 1
push ebx
call ebp
cmp eax, ebx
mov dword [esi + 0x20], eax
jne 0x47e816
mov edx, dword [esp + 0xc]
push edx
jmp 0x47e829
push ebx
push ebx
push 1
push ebx
call ebp
cmp eax, ebx
mov dword [esi + 0x18], eax
jne 0x47e842
mov eax, dword [esp + 0xc]
push eax
call fcn.0047e640
add esp, 4
push 0xb
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop ebp
pop esi
xor al, al
pop ebx
add esp, 0xc
ret
lea ecx, [esi + 4]
push ecx
push ebx
push edi
push 0x47e570
push ebx
push ebx
call fcn.0048dd4f
add esp, 0x18
cmp eax, ebx
mov dword [esi], eax
jne 0x47e881
call fcn.00490630
mov edx, dword [eax]
push edx
call dword [sym.imp.KERNEL32.dll_SetLastError]
mov eax, dword [esp + 0xc]
push eax
call fcn.0047e640
add esp, 4
pop ebp
pop esi
xor al, al
pop ebx
add esp, 0xc
ret
push 0xffffffffffffffff
push ebx
lea edx, [esp + 0x18]
mov dword [esp + 0x18], eax
mov ecx, dword [esi + 0x18]
push edx
push 2
mov dword [esp + 0x24], ecx
call dword [sym.imp.KERNEL32.dll_WaitForMultipleObjects]
push ebx
push 2
push 2
call dword [sym.imp.WS2_32.dll_socket]
pop ebp
mov dword [esi + 0xc], eax
pop esi
mov al, 1
pop ebx
add esp, 0xc
ret
Function at 0x47e8c0
Capabilities:
Terminate thread

Disassembly:
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x14]
mov ecx, dword [edi]
mov eax, dword [ecx + 0x174]
test eax, eax
mov esi, dword [edi + 0x2d0]
mov dword [esp + 0x14], ecx
jne 0x47e8ed
mov eax, dword [ecx + 0x170]
test eax, eax
jne 0x47e8ed
mov eax, 0x493e0
push eax
mov eax, dword [esi + 0x14]
push eax
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov ecx, dword [esi + 0x10]
push ecx
mov ebp, eax
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
mov edx, dword [esi + 0x10]
mov ebx, dword [sym.imp.KERNEL32.dll_CloseHandle]
push edx
call ebx
mov eax, dword [esi + 0x14]
push eax
mov dword [esi + 0x10], 0
call ebx
test ebp, ebp
mov dword [esi + 0x14], 0
mov bl, 1
jne 0x47e949
mov ecx, dword [esi]
push 0x1388
push ecx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
cmp eax, 0x102
jne 0x47e99f
mov edx, dword [esi]
push ebp
push edx
call dword [sym.imp.KERNEL32.dll_TerminateThread]
lea ebp, [esi + 8]
mov byte [edi + 0x2c8], bl
mov dword [ebp], 0xffffffff
mov eax, dword [esp + 0x18]
test eax, eax
je 0x47e969
mov edx, dword [edi + 0x2c4]
mov dword [eax], edx
xor esi, esi
cmp dword [edi + 0x2c4], esi
jne 0x47ea50
mov ebp, dword [ebp]
cmp ebp, 0x1b
jne 0x47e9bb
push ebp
mov esi, ebp
call fcn.00485e30
push eax
mov eax, dword [esp + 0x1c]
push str.Could_not_resolve_host:__s
push eax
call fcn.0047c080
add esp, 0x10
jmp 0x47ea50
mov eax, dword [edi + 0x2cc]
push eax
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov ecx, dword [esi]
lea ebp, [esi + 8]
push ebp
push ecx
call dword [sym.imp.KERNEL32.dll_GetExitCodeThread]
jmp 0x47e959
cmp byte [edi + 0x2c8], 0
je 0x47ea21
cmp byte [edi + 0x12b], 0
mov ecx, dword [edi + 0x2cc]
push ecx
push edi
je 0x47e9fb
call fcn.00486770
mov edx, dword [edi + 0xa0]
push eax
mov eax, dword [esp + 0x20]
push edx
push str.Could_not_resolve_proxy:__s___s
push eax
call fcn.0047c080
add esp, 0x18
mov esi, 5
jmp 0x47ea50
call fcn.00486770
mov edx, dword [edi + 0x8c]
push eax
mov eax, dword [esp + 0x20]
push edx
push str.Could_not_resolve_host:__s___s
push eax
call fcn.0047c080
add esp, 0x18
mov esi, 6
jmp 0x47ea50
cmp ebp, 0xffffffff
je 0x47ea32
cmp dword [edi + 0x2cc], 0x2afc
jne 0x47ea4b
mov ecx, dword [edi + 0x8c]
mov edx, dword [esp + 0x14]
push ecx
push str.Resolving_host_timed_out:__s
push edx
call fcn.0047c080
add esp, 0xc
mov esi, 0x1c
lea eax, [edi + 0x2bc]
push eax
call fcn.0047e640
add esp, 4
cmp dword [edi + 0x2c4], 0
mov eax, esi
jne 0x47ea70
mov byte [edi + 0x128], bl
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x47eb20
Capabilities:
Resolve dns

Disassembly:
mov eax, dword [esp + 0x10]
push ebx
push esi
mov esi, dword [esp + 0x10]
push edi
mov edi, dword [esp + 0x10]
mov ebx, dword [edi]
lea ecx, [esp + 0x10]
push ecx
push esi
push 2
mov dword [eax], 0
call fcn.00486990
add esp, 0xc
test eax, eax
jle 0x47eb64
mov edx, dword [esp + 0x18]
push edx
push esi
lea eax, [esp + 0x18]
push eax
push 2
call fcn.0047e390
add esp, 0x10
pop edi
pop esi
pop ebx
ret
push ebp
mov ebp, dword [esp + 0x1c]
push ebp
push esi
call fcn.0047e720
add esp, 8
test al, al
je 0x47eb88
mov ecx, dword [esp + 0x20]
pop ebp
pop edi
pop esi
mov dword [ecx], 1
xor eax, eax
pop ebx
ret
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push edi
call fcn.00486770
push eax
push esi
push str.init_resolve_thread___failed_for__s___s_n
push ebx
call fcn.0047bff0
add esp, 0x18
push esi
call dword [sym.imp.WS2_32.dll_gethostbyname]
test eax, eax
jne 0x47ebd5
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.00486770
push eax
push ebp
push esi
push str.gethostbyname_2__failed_for__s:_d___s_n
push ebx
call fcn.0047bff0
add esp, 0x1c
pop ebp
pop edi
pop esi
xor eax, eax
pop ebx
ret
push ebp
push eax
call fcn.0047e260
add esp, 8
pop ebp
pop edi
pop esi
pop ebx
ret
Function at 0x481de0
Capabilities:
Check for time delay via gettickcount
Get socket status

Disassembly:
sub esp, 0x31c
push ebx
mov ebx, dword [esp + 0x324]
push ebp
mov ebp, dword [esp + 0x32c]
push esi
xor esi, esi
cmp ebx, 0xffffffff
mov dword [esp + 0xc], esi
mov dword [esp + 0x10], esi
jne 0x481e20
cmp ebp, ebx
jne 0x481e20
mov eax, dword [esp + 0x334]
call fcn.00481dc0
pop esi
pop ebp
pop ebx
add esp, 0x31c
ret
push edi
mov edi, dword [esp + 0x338]
cmp edi, esi
jle 0x481e3b
mov esi, edi
call fcn.004835a0
mov dword [esp + 0x10], eax
mov dword [esp + 0x14], edx
xor eax, eax
xor ecx, ecx
or edx, 0xffffffff
cmp ebx, 0xffffffff
mov dword [esp + 0x20], ecx
mov dword [esp + 0x124], eax
je 0x481e6f
mov ecx, 1
mov dword [esp + 0x128], ebx
mov dword [esp + 0x124], ecx
mov dword [esp + 0x24], ebx
mov dword [esp + 0x20], ecx
mov edx, ebx
cmp ebp, 0xffffffff
mov dword [esp + 0x228], eax
je 0x481eb6
test ecx, ecx
mov dword [esp + 0x22c], ebp
mov dword [esp + 0x228], 1
jbe 0x481e9e
cmp dword [esp + eax*4 + 0x24], ebp
je 0x481e9e
add eax, 1
cmp eax, ecx
jb 0x481e91
cmp eax, ecx
jne 0x481eb0
cmp ecx, 0x40
jae 0x481eb0
mov dword [esp + eax*4 + 0x24], ebp
add dword [esp + 0x20], 1
cmp ebp, edx
jbe 0x481eb6
mov edx, ebp
xor ebx, ebx
test edi, edi
setl bl
lea eax, [esp + 0x18]
lea ebp, [edx + 1]
sub ebx, 1
and ebx, eax
lea esp, [esp]
xor eax, eax
cmp edi, eax
jle 0x481f01
mov eax, 0x10624dd3
imul esi
sar edx, 6
mov eax, edx
shr eax, 0x1f
add eax, edx
mov dword [esp + 0x18], eax
imul eax, eax, 0x3e8
mov ecx, esi
sub ecx, eax
imul ecx, ecx, 0x3e8
mov dword [esp + 0x1c], ecx
jmp 0x481f0b
jne 0x481f0b
mov dword [esp + 0x18], eax
mov dword [esp + 0x1c], eax
push ebx
lea edx, [esp + 0x24]
push edx
lea eax, [esp + 0x230]
push eax
lea ecx, [esp + 0x130]
push ecx
push ebp
call dword [sym.imp.WS2_32.dll_select]
cmp eax, 0xffffffff
jne 0x481f75
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
je 0x481f3e
cmp eax, 0x2714
jne 0x481f79
test edi, edi
jle 0x481ed0
mov edx, dword [esp + 0x14]
mov eax, dword [esp + 0x10]
push edx
push eax
call fcn.004835a0
push edx
push eax
call fcn.004835d0
mov esi, edi
sub esi, eax
add esp, 0x10
test esi, esi
jg 0x481ed0
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
add esp, 0x31c
ret
test eax, eax
jge 0x481f87
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
add esp, 0x31c
ret
jne 0x481f96
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x31c
ret
mov edi, dword [esp + 0x330]
xor esi, esi
cmp edi, 0xffffffff
je 0x481fcd
lea ecx, [esp + 0x124]
push ecx
push edi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x481fbb
mov esi, 1
lea edx, [esp + 0x20]
push edx
push edi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x481fcd
or esi, 4
mov edi, dword [esp + 0x334]
cmp edi, 0xffffffff
je 0x482000
lea eax, [esp + 0x228]
push eax
push edi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x481fee
or esi, 2
lea ecx, [esp + 0x20]
push ecx
push edi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x482000
or esi, 4
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
add esp, 0x31c
ret
Function at 0x482a30
Capabilities:
Check for time delay via gettickcount

Disassembly:
sub esp, 8
mov eax, dword [esp + 0x1c]
push ebx
push ebp
push esi
push edi
mov dword [esp + 0x10], 0
mov dword [eax], 0
call fcn.004835a0
mov esi, dword [esp + 0x1c]
mov ecx, dword [esi + 0xd0]
push ecx
mov ecx, dword [esi + 0xcc]
push ecx
push edx
push eax
call fcn.004835d0
mov ebx, dword [esp + 0x40]
add esp, 0x10
cmp eax, ebx
jg 0x482ae5
mov edi, dword [esp + 0x28]
mov ebp, dword [esp + 0x24]
lea ebx, [ebx]
mov edx, ebx
sub edx, eax
mov eax, dword [esp + 0x20]
push edx
push 0xffffffffffffffff
push eax
call fcn.00481de0
add esp, 0xc
test eax, eax
jle 0x482ae5
mov edx, dword [esp + 0x20]
lea ecx, [esp + 0x14]
push ecx
push edi
push ebp
push edx
call fcn.0047bd10
add esp, 0x10
test eax, eax
jne 0x482ae8
mov eax, dword [esp + 0x14]
cmp edi, eax
je 0x482af0
test eax, eax
je 0x482ae5
add dword [esp + 0x10], eax
sub edi, eax
add ebp, eax
call fcn.004835a0
mov ecx, dword [esi + 0xd0]
push ecx
mov ecx, dword [esi + 0xcc]
push ecx
push edx
push eax
call fcn.004835d0
add esp, 0x10
cmp eax, ebx
jle 0x482a80
or eax, 0xffffffff
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
mov edx, dword [esp + 0x10]
mov ecx, dword [esp + 0x2c]
pop edi
pop esi
add eax, edx
pop ebp
mov dword [ecx], eax
xor eax, eax
pop ebx
add esp, 8
ret

Function at 0x484230
Capabilities:
Parse pe header

Disassembly:
mov al, byte [esp + 4]
movsx ecx, al
add ecx, 0xffffff9f
cmp ecx, 0x19
ja case.default.0x48423f
jmp dword [ecx*4 + 0x484294]
mov al, 0x41
ret
mov al, 0x42
ret
mov al, 0x43
ret
mov al, 0x44
ret
mov al, 0x45
ret
mov al, 0x46
ret
mov al, 0x47
ret
mov al, 0x48
ret
mov al, 0x49
ret
mov al, 0x4a
ret
mov al, 0x4b
ret
mov al, 0x4c
ret
mov al, 0x4d
ret
mov al, 0x4e
ret
mov al, 0x4f
ret
mov al, 0x50
ret
mov al, 0x51
ret
mov al, 0x52
ret
mov al, 0x53
ret
mov al, 0x54
ret
mov al, 0x55
ret
mov al, 0x56
ret
mov al, 0x57
ret
mov al, 0x58
ret
mov al, 0x59
ret
mov al, 0x5a
ret

Function at 0x484420
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x4d2168]
xor eax, esp
mov dword [esp + 0x104], eax
mov eax, dword [esp + 0x10c]
push eax
call fcn.00490bbc
add esp, 4
test eax, eax
mov byte [esp], 0
je 0x484485
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsW]
cmp byte [esp], 0
je 0x484485
lea edx, [esp]
push edx
call dword [0x4d200c]
add esp, 4
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.0048f610
add esp, 0x108
ret
mov ecx, dword [esp + 0x104]
xor ecx, esp
xor eax, eax
call fcn.0048f610
add esp, 0x108
ret
jmp 0x484420
Function at 0x4844a0
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x4d2168]
xor eax, esp
mov dword [esp + 0x104], eax
mov eax, dword [esp + 0x10c]
push eax
call fcn.00490bbc
add esp, 4
test eax, eax
mov byte [esp], 0
je 0x484485
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsW]
cmp byte [esp], 0
je 0x484485
lea edx, [esp]
push edx
call dword [0x4d200c]
add esp, 4
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.0048f610
add esp, 0x108
ret
mov ecx, dword [esp + 0x104]
xor ecx, esp
xor eax, eax
call fcn.0048f610
add esp, 0x108
ret
jmp 0x484420

Function at 0x487dbe
Capabilities:
Check os version

Disassembly:
push ebp
lea ebp, [esp - 0x78]
sub esp, 0x98
mov eax, dword [0x4d2168]
xor eax, ebp
mov dword [ebp + 0x74], eax
push esi
mov esi, ecx
call fcn.00487cfd
mov eax, 0x400000
push 0x94
mov dword [esi + 8], eax
mov dword [esi + 4], eax
lea eax, [ebp - 0x20]
push 0
push eax
mov dword [esi], 0x3c
mov byte [esi + 0xc], 0
call fcn.0048aca0
add esp, 0xc
lea eax, [ebp - 0x20]
push eax
mov dword [ebp - 0x20], 0x94
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp dword [ebp - 0x10], 2
jne 0x487e0d
cmp dword [ebp - 0x1c], 5
jb 0x487e25
jmp 0x487e21
cmp dword [ebp - 0x10], 1
jne 0x487e25
cmp dword [ebp - 0x1c], 4
ja 0x487e21
jne 0x487e25
cmp dword [ebp - 0x18], 0
jbe 0x487e25
mov byte [esi + 0xc], 1
lea ecx, [esi + 0x18]
mov dword [esi + 0x10], 0x800
mov dword [esi + 0x14], 0x4af508
call fcn.0040904e
test eax, eax
jge 0x487e46
mov byte [0x4d7fcc], 1
mov ecx, dword [ebp + 0x74]
mov eax, esi
xor ecx, ebp
pop esi
call fcn.0048f610
add ebp, 0x78
leave
ret

Function at 0x4880c5
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call

Disassembly:
cmp dword [0x4d7070], 0
push esi
jne 0x488038
call fcn.00487f63
test eax, eax
je 0x48807b
mov eax, dword [0x4d7070]
cmp eax, 1
jne 0x488059
push 0xd
push 0
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
test eax, eax
je 0x48807b
pop esi
ret
push eax
call dword [0x4d7078]
test eax, eax
jne 0x4880c3
push 0x40
mov eax, 0x1000
push eax
push eax
push 0
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov esi, eax
test esi, esi
jne 0x48807f
xor eax, eax
pop esi
ret
mov eax, dword [esi]
push edi
push dword [0x4d7070]
call dword [0x4d7078]
mov edi, eax
test edi, edi
je 0x4880a6
push 0x8000
push 0
push esi
call dword [sym.imp.KERNEL32.dll_VirtualFree]
mov eax, edi
jmp 0x4880c2
lea edi, [esi + 0xff0]
push esi
push dword [0x4d7070]
call dword [0x4d7074]
add esi, 0x10
cmp esi, edi
jb 0x4880ac
mov eax, esi
pop edi
pop esi
ret
jmp 0x488025