joyce8/EMBER2024-capa huggingface dataset:
Function at 0x498ff0
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
push 0xffffffffffffffff
push 0x5270e6
mov eax, dword fs:[0]
push eax
push esi
push edi
mov eax, dword [0x55a18c]
xor eax, esp
push eax
lea eax, [esp + 0xc]
mov dword fs:[0], eax
mov esi, dword [esp + 0x1c]
mov dword [esi], 0x541484
push 0x400
mov dword [esi + 8], 0x400
call fcn.004b02da
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.004b02da
add esp, 8
mov dword [esi + 0x10], eax
mov dword [esi + 0x18], edi
lea ecx, [esi + 0x1c]
mov byte [esp + 0x14], 1
call fcn.00418ac0
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 0x499110
Capabilities:
Encode data using xor

Disassembly:
push 0xffffffffffffffff
push 0x525936
mov eax, dword fs:[0]
push eax
sub esp, 0x8c
push ebx
push esi
push edi
mov eax, dword [0x55a18c]
xor eax, esp
push eax
lea eax, [esp + 0x9c]
mov dword fs:[0], eax
lea ecx, [esp + 0x10]
call fcn.0040c630
mov eax, dword [esp + 0xb0]
push 0xfde9
xor ebx, ebx
push eax
lea ecx, [esp + 0x20]
mov dword [esp + 0xac], ebx
call fcn.0040c1d0
mov ecx, eax
mov byte [esp + 0xa4], 1
call fcn.00423af0
push eax
lea ecx, [esp + 0x14]
call fcn.0040c670
lea ecx, [esp + 0x18]
mov byte [esp + 0xa4], bl
call fcn.0040c200
lea ecx, [esp + 0x10]
call fcn.0040c690
movzx esi, ax
lea ecx, [esp + 0x10]
mov dword [esp + 0x14], esi
call fcn.00423af0
movzx ecx, si
mov edi, eax
xor eax, eax
cmp ecx, ebx
jle 0x4991bc
xor byte [eax + edi], 0x88
add eax, 1
cmp eax, ecx
jl 0x4991b1
mov esi, dword [esp + 0xac]
lea ecx, [esp + 0x14]
add esi, 4
push ecx
mov ebx, 2
call fcn.0049a170
movzx ebx, word [esp + 0x14]
push edi
call fcn.0049a170
lea ecx, [esp + 0x10]
call fcn.0040c650
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 0x49a380
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x526460
mov eax, dword fs:[0]
push eax
sub esp, 0x48
push esi
mov eax, dword [0x55a18c]
xor eax, esp
push eax
lea eax, [esp + 0x50]
mov dword fs:[0], eax
mov eax, dword [esp + 0x60]
xor esi, esi
mov dword [esp + 0xc], 0x541498
mov dword [esp + 0x10], eax
mov dword [esp + 0x14], ecx
lea ecx, [esp + 0x18]
mov dword [esp + 0x58], esi
call fcn.0040c630
lea ecx, [esp + 0x20]
call fcn.0040c630
lea ecx, [esp + 0x38]
call fcn.0040c630
lea ecx, [esp + 0x3c]
call fcn.0040c630
lea ecx, [esp + 0x40]
call fcn.0040c630
lea ecx, [esp + 0x44]
call fcn.0040c630
mov dword [esp + 0x1c], esi
mov dword [esp + 0x24], esi
mov dword [esp + 0x28], esi
mov dword [esp + 0x34], esi
mov dword [esp + 0x48], esi
mov dword [esp + 0x4c], esi
mov dword [esp + 0x2c], esi
mov dword [esp + 0x30], esi
mov byte [esp + 0x58], 1
call fcn.0049a4c0
mov ecx, dword [esp + 0x6c]
mov eax, dword [esp + 0x68]
lea edx, [esp + 0xc]
mov dword [esp + 0x30], ecx
push 0x541488
lea ecx, [esp + 0x1c]
mov dword [esp + 0x4c], edx
mov dword [esp + 0x50], esi
mov dword [esp + 0x30], eax
call fcn.0040ae00
mov edx, dword [esp + 0x64]
push edx
lea ecx, [esp + 0x1c]
mov dword [esp + 0x2c], 0x14
call fcn.0049a590
test eax, eax
jne 0x49a466
mov esi, dword [esp + 0x1c]
lea ecx, [esp + 0x44]
call fcn.0040c650
lea ecx, [esp + 0x40]
call fcn.0040c650
lea ecx, [esp + 0x3c]
call fcn.0040c650
lea ecx, [esp + 0x38]
call fcn.0040c650
lea ecx, [esp + 0x20]
call fcn.0040c650
lea ecx, [esp + 0x18]
call fcn.0040c650
mov eax, esi
mov ecx, dword [esp + 0x50]
mov dword fs:[0], ecx
pop ecx
pop esi
add esp, 0x54
ret 0x10

Function at 0x49aa20
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x55a18c]
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 0x49aa70
mov ax, word [esp]
cmp al, 2
jne 0x49aa6a
cmp ah, al
jne 0x49aa6a
xor eax, eax
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.004b89e5
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.004b89e5
add esp, 0x194
ret
Function at 0x4a4780
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 0x4a47b2
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 0x4a4910
Capabilities:
Write file on windows

Disassembly:
mov ecx, dword [esi + 0x140]
test ecx, ecx
je 0x4a492b
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 0x4a495f
cmp eax, 2
jg 0x4a495f
mov ecx, dword [esi + 0xe0]
push ecx
push 1
lea edx, [eax + eax*2 + 0x52ac94]
push 2
push edx
call fcn.004b614c
mov eax, dword [esi + 0xe0]
push eax
push 1
push edi
push ebx
call fcn.004b614c
add esp, 0x20
xor eax, eax
ret

Function at 0x4a4b90
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 0x4a4bd5
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
cmp eax, 0x2733
jne 0x4a4bbb
xor eax, eax
pop esi
ret
push eax
push edi
call fcn.004af1e0
push eax
mov eax, dword [edi]
push str.Send_failure:__s
push eax
call fcn.004a4af0
add esp, 0x14
mov eax, esi
pop esi
ret
Function at 0x4a5240
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 0x4a5284
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.004af1e0
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.004a4a60
add esp, 0x14
pop esi
pop ecx
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.004a4a60
add esp, 8
pop esi
pop ecx
ret
Function at 0x4a56d0
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov ecx, dword [esp + 4]
mov eax, dword [ecx + 0x458]
cmp eax, 0xffffffff
je 0x4a5736
mov ecx, dword [ecx + 0x44c]
mov edx, dword [ecx]
cmp dword [edx + eax*4], 0
lea eax, [edx + eax*4]
je 0x4a5736
mov ecx, dword [esp + 0xc]
test ecx, ecx
mov eax, dword [eax]
je 0x4a56fc
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 0x4a572c
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 0x4a5732
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 0x4a7190
Capabilities:
Create thread

Disassembly:
sub esp, 0xc
push ebx
push esi
push 1
push 0x24
call dword [0x55a010]
xor ebx, ebx
mov esi, eax
add esp, 8
cmp esi, ebx
mov dword [esp + 0xc], ebx
mov dword [esp + 0x10], ebx
jne 0x4a71c2
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.0049bcb0
mov ecx, dword [esp + 0x20]
push ecx
call dword [0x55a00c]
add esp, 8
cmp eax, ebx
mov dword [ebp], eax
jne 0x4a7209
push esi
call dword [0x55a004]
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 0x4a7246
push ebp
jmp 0x4a7299
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 0x4a7294
push ebx
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_CreateMutexW]
cmp eax, ebx
mov dword [esi + 0x1c], eax
jne 0x4a7271
mov ecx, dword [esp + 0xc]
push ecx
jmp 0x4a7299
push ebx
push ebx
push 1
push ebx
call ebp
cmp eax, ebx
mov dword [esi + 0x20], eax
jne 0x4a7286
mov edx, dword [esp + 0xc]
push edx
jmp 0x4a7299
push ebx
push ebx
push 1
push ebx
call ebp
cmp eax, ebx
mov dword [esi + 0x18], eax
jne 0x4a72b2
mov eax, dword [esp + 0xc]
push eax
call fcn.004a70b0
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 0x4a6fe0
push ebx
push ebx
call fcn.004b705f
add esp, 0x18
cmp eax, ebx
mov dword [esi], eax
jne 0x4a72f1
call fcn.004b9a00
mov edx, dword [eax]
push edx
call dword [sym.imp.KERNEL32.dll_SetLastError]
mov eax, dword [esp + 0xc]
push eax
call fcn.004a70b0
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 0x4a7330
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 0x4a735d
mov eax, dword [ecx + 0x170]
test eax, eax
jne 0x4a735d
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 0x4a73b9
mov ecx, dword [esi]
push 0x1388
push ecx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
cmp eax, 0x102
jne 0x4a740f
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 0x4a73d9
mov edx, dword [edi + 0x2c4]
mov dword [eax], edx
xor esi, esi
cmp dword [edi + 0x2c4], esi
jne 0x4a74c0
mov ebp, dword [ebp]
cmp ebp, 0x1b
jne 0x4a742b
push ebp
mov esi, ebp
call fcn.004ae8a0
push eax
mov eax, dword [esp + 0x1c]
push str.Could_not_resolve_host:__s
push eax
call fcn.004a4af0
add esp, 0x10
jmp 0x4a74c0
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 0x4a73c9
cmp byte [edi + 0x2c8], 0
je 0x4a7491
cmp byte [edi + 0x12b], 0
mov ecx, dword [edi + 0x2cc]
push ecx
push edi
je 0x4a746b
call fcn.004af1e0
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.004a4af0
add esp, 0x18
mov esi, 5
jmp 0x4a74c0
call fcn.004af1e0
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.004a4af0
add esp, 0x18
mov esi, 6
jmp 0x4a74c0
cmp ebp, 0xffffffff
je 0x4a74a2
cmp dword [edi + 0x2cc], 0x2afc
jne 0x4a74bb
mov ecx, dword [edi + 0x8c]
mov edx, dword [esp + 0x14]
push ecx
push str.Resolving_host_timed_out:__s
push edx
call fcn.004a4af0
add esp, 0xc
mov esi, 0x1c
lea eax, [edi + 0x2bc]
push eax
call fcn.004a70b0
add esp, 4
cmp dword [edi + 0x2c4], 0
mov eax, esi
jne 0x4a74e0
mov byte [edi + 0x128], bl
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x4a7590
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.004af400
add esp, 0xc
test eax, eax
jle 0x4a75d4
mov edx, dword [esp + 0x18]
push edx
push esi
lea eax, [esp + 0x18]
push eax
push 2
call fcn.004a6e00
add esp, 0x10
pop edi
pop esi
pop ebx
ret
push ebp
mov ebp, dword [esp + 0x1c]
push ebp
push esi
call fcn.004a7190
add esp, 8
test al, al
je 0x4a75f8
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.004af1e0
push eax
push esi
push str.init_resolve_thread___failed_for__s___s_n
push ebx
call fcn.004a4a60
add esp, 0x18
push esi
call dword [sym.imp.WS2_32.dll_gethostbyname]
test eax, eax
jne 0x4a7645
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.004af1e0
push eax
push ebp
push esi
push str.gethostbyname_2__failed_for__s:_d___s_n
push ebx
call fcn.004a4a60
add esp, 0x1c
pop ebp
pop edi
pop esi
xor eax, eax
pop ebx
ret
push ebp
push eax
call fcn.004a6cd0
add esp, 8
pop ebp
pop edi
pop esi
pop ebx
ret
Function at 0x4aa850
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 0x4aa890
cmp ebp, ebx
jne 0x4aa890
mov eax, dword [esp + 0x334]
call fcn.004aa830
pop esi
pop ebp
pop ebx
add esp, 0x31c
ret
push edi
mov edi, dword [esp + 0x338]
cmp edi, esi
jle 0x4aa8ab
mov esi, edi
call fcn.004ac010
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 0x4aa8df
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 0x4aa926
test ecx, ecx
mov dword [esp + 0x22c], ebp
mov dword [esp + 0x228], 1
jbe 0x4aa90e
cmp dword [esp + eax*4 + 0x24], ebp
je 0x4aa90e
add eax, 1
cmp eax, ecx
jb 0x4aa901
cmp eax, ecx
jne 0x4aa920
cmp ecx, 0x40
jae 0x4aa920
mov dword [esp + eax*4 + 0x24], ebp
add dword [esp + 0x20], 1
cmp ebp, edx
jbe 0x4aa926
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 0x4aa971
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 0x4aa97b
jne 0x4aa97b
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 0x4aa9e5
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
je 0x4aa9ae
cmp eax, 0x2714
jne 0x4aa9e9
test edi, edi
jle 0x4aa940
mov edx, dword [esp + 0x14]
mov eax, dword [esp + 0x10]
push edx
push eax
call fcn.004ac010
push edx
push eax
call fcn.004ac040
mov esi, edi
sub esi, eax
add esp, 0x10
test esi, esi
jg 0x4aa940
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
add esp, 0x31c
ret
test eax, eax
jge 0x4aa9f7
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
add esp, 0x31c
ret
jne 0x4aaa06
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 0x4aaa3d
lea ecx, [esp + 0x124]
push ecx
push edi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x4aaa2b
mov esi, 1
lea edx, [esp + 0x20]
push edx
push edi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x4aaa3d
or esi, 4
mov edi, dword [esp + 0x334]
cmp edi, 0xffffffff
je 0x4aaa70
lea eax, [esp + 0x228]
push eax
push edi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x4aaa5e
or esi, 2
lea ecx, [esp + 0x20]
push ecx
push edi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x4aaa70
or esi, 4
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
add esp, 0x31c
ret
Function at 0x4ab4a0
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.004ac010
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.004ac040
mov ebx, dword [esp + 0x40]
add esp, 0x10
cmp eax, ebx
jg 0x4ab555
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.004aa850
add esp, 0xc
test eax, eax
jle 0x4ab555
mov edx, dword [esp + 0x20]
lea ecx, [esp + 0x14]
push ecx
push edi
push ebp
push edx
call fcn.004a4780
add esp, 0x10
test eax, eax
jne 0x4ab558
mov eax, dword [esp + 0x14]
cmp edi, eax
je 0x4ab560
test eax, eax
je 0x4ab555
add dword [esp + 0x10], eax
sub edi, eax
add ebp, eax
call fcn.004ac010
mov ecx, dword [esi + 0xd0]
push ecx
mov ecx, dword [esi + 0xcc]
push ecx
push edx
push eax
call fcn.004ac040
add esp, 0x10
cmp eax, ebx
jle 0x4ab4f0
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 0x4acca0
Capabilities:
Parse pe header

Disassembly:
mov al, byte [esp + 4]
movsx ecx, al
add ecx, 0xffffff9f
cmp ecx, 0x19
ja case.default.0x4accaf
jmp dword [ecx*4 + 0x4acd04]
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 0x4ace90
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x55a18c]
xor eax, esp
mov dword [esp + 0x104], eax
mov eax, dword [esp + 0x10c]
push eax
call fcn.004b9f8c
add esp, 4
test eax, eax
mov byte [esp], 0
je 0x4acef5
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsW]
cmp byte [esp], 0
je 0x4acef5
lea edx, [esp]
push edx
call dword [0x55a00c]
add esp, 4
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004b89e5
add esp, 0x108
ret
mov ecx, dword [esp + 0x104]
xor ecx, esp
xor eax, eax
call fcn.004b89e5
add esp, 0x108
ret
jmp 0x4ace90
Function at 0x4acf10
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x55a18c]
xor eax, esp
mov dword [esp + 0x104], eax
mov eax, dword [esp + 0x10c]
push eax
call fcn.004b9f8c
add esp, 4
test eax, eax
mov byte [esp], 0
je 0x4acef5
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsW]
cmp byte [esp], 0
je 0x4acef5
lea edx, [esp]
push edx
call dword [0x55a00c]
add esp, 4
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004b89e5
add esp, 0x108
ret
mov ecx, dword [esp + 0x104]
xor ecx, esp
xor eax, eax
call fcn.004b89e5
add esp, 0x108
ret
jmp 0x4ace90

Function at 0x4b0d68
Capabilities:
Check os version

Disassembly:
push ebp
lea ebp, [esp - 0x78]
sub esp, 0x98
mov eax, dword [0x55a18c]
xor eax, ebp
mov dword [ebp + 0x74], eax
push esi
mov esi, ecx
call fcn.004b0ca7
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.004b3d60
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 0x4b0db7
cmp dword [ebp - 0x1c], 5
jb 0x4b0dcf
jmp 0x4b0dcb
cmp dword [ebp - 0x10], 1
jne 0x4b0dcf
cmp dword [ebp - 0x1c], 4
ja 0x4b0dcb
jne 0x4b0dcf
cmp dword [ebp - 0x18], 0
jbe 0x4b0dcf
mov byte [esi + 0xc], 1
lea ecx, [esi + 0x18]
mov dword [esi + 0x10], 0x800
mov dword [esi + 0x14], 0x52d66c
call fcn.004163b0
test eax, eax
jge 0x4b0df0
mov byte [0x5604b8], 1
mov ecx, dword [ebp + 0x74]
mov eax, esi
xor ecx, ebp
pop esi
call fcn.004b89e5
add ebp, 0x78
leave
ret

Function at 0x4b1238
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call

Disassembly:
cmp dword [0x55f518], 0
push esi
jne 0x4b11ab
call fcn.004b10d6
test eax, eax
je 0x4b11ee
mov eax, dword [0x55f518]
cmp eax, 1
jne 0x4b11cc
push 0xd
push 0
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
test eax, eax
je 0x4b11ee
pop esi
ret
push eax
call dword [0x55f520]
test eax, eax
jne 0x4b1236
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 0x4b11f2
xor eax, eax
pop esi
ret
mov eax, dword [esi]
push edi
push dword [0x55f518]
call dword [0x55f520]
mov edi, eax
test edi, edi
je 0x4b1219
push 0x8000
push 0
push esi
call dword [sym.imp.KERNEL32.dll_VirtualFree]
mov eax, edi
jmp 0x4b1235
lea edi, [esi + 0xff0]
push esi
push dword [0x55f518]
call dword [0x55f51c]
add esi, 0x10
cmp esi, edi
jb 0x4b121f
mov eax, esi
pop edi
pop esi
ret
jmp 0x4b1198