joyce8/EMBER2024-capa huggingface dataset:
Function at 0x43dd40
Capabilities:
Write file on windows

Disassembly:
push esi
mov esi, dword [esp + 0x10]
push edi
mov edi, dword [esp + 0xc]
mov eax, dword [edi]
test eax, eax
je 0x43dd72
push 0
lea ecx, [esp + 0x10]
push ecx
push esi
push dword [esp + 0x1c]
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x43dd6d
cmp dword [esp + 0xc], esi
je 0x43dd89
pop edi
xor eax, eax
pop esi
ret
mov eax, dword [edi + 4]
add eax, dword [edi + 8]
push esi
push dword [esp + 0x14]
push eax
call sub.MSVCRT.dll_memcpy
add esp, 0xc
add dword [edi + 8], esi
pop edi
mov eax, 1
pop esi
ret

Function at 0x441330
Capabilities:
Get thread local storage value
Set thread local storage value

Disassembly:
push edi
push dword [0x5229a8]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov edi, eax
test edi, edi
jne 0x441391
push esi
push dword [0x5229a4]
push 8
push dword [0x521bbc]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov edi, eax
push edi
push dword [0x5229a8]
call dword [sym.imp.KERNEL32.dll_TlsSetValue]
mov esi, dword [0x5229a0]
jmp 0x441381
mov ecx, dword [esi + 0xc]
test ecx, ecx
je 0x44137f
mov eax, dword [esi + 8]
add eax, edi
push eax
call ecx
pop ecx
mov esi, dword [esi]
test esi, esi
jne 0x44136f
push edi
push 0x4412ce
call fcn.004d2bdf
pop esi
mov eax, dword [esp + 8]
add eax, edi
pop edi
ret 4

Function at 0x44139b
Capabilities:
Allocate thread local storage
Get thread local storage value
Set thread local storage value

Disassembly:
push ebx
push ebp
push esi
mov esi, dword [esp + 0x10]
mov ecx, esi
push edi
and ecx, 3
je 0x4413b1
push 4
pop eax
sub eax, ecx
add esi, eax
mov eax, dword [0x5229a4]
mov ebx, dword [sym.imp.KERNEL32.dll_TlsSetValue]
test eax, eax
jne 0x4413e8
call dword [sym.imp.KERNEL32.dll_TlsAlloc]
push esi
push 8
push dword [0x521bbc]
mov dword [0x5229a8], eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
push eax
push dword [0x5229a8]
call ebx
mov eax, dword [0x5229a4]
mov edi, eax
add eax, esi
push eax
push dword [0x5229a8]
mov dword [0x5229a4], eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
push eax
push 8
push dword [0x521bbc]
call dword [sym.imp.KERNEL32.dll_HeapReAlloc]
mov ebp, eax
push ebp
push dword [0x5229a8]
call ebx
mov esi, dword [esp + 0x18]
mov ebx, dword [esp + 0x1c]
test esi, esi
jne 0x441428
test ebx, ebx
je 0x441449
push 0x14
push 0x5229a0
call fcn.00441c3b
pop ecx
pop ecx
mov dword [eax], edi
mov dword [eax + 4], esi
mov dword [eax + 8], ebx
test esi, esi
je 0x441449
lea ecx, [edi + ebp]
push ecx
call esi
pop ecx
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret 0xc
Function at 0x441d30
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [0x51f604]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 8], eax
mov ecx, dword [ebp - 8]
mov edx, dword [ecx + 8]
sub edx, dword [ebp + 0xc]
mov dword [ebp - 4], edx
mov eax, dword [ebp + 8]
cmp dword [eax], 0
jne 0x441d76
mov ecx, dword [ebp - 4]
add ecx, 0xa
push ecx
push 0
mov edx, dword [0x522f4c]
push edx
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov ecx, dword [ebp + 8]
mov dword [ecx], eax
jmp 0x441d97
mov edx, dword [ebp - 4]
add edx, 0xa
push edx
mov eax, dword [ebp + 8]
mov ecx, dword [eax]
push ecx
push 0
mov edx, dword [0x522f4c]
push edx
call dword [sym.imp.KERNEL32.dll_HeapReAlloc]
mov ecx, dword [ebp + 8]
mov dword [ecx], eax
mov edx, dword [ebp - 4]
shr edx, 1
push edx
mov eax, dword [ebp - 8]
mov ecx, dword [eax]
add ecx, dword [ebp + 0xc]
push ecx
mov edx, dword [ebp + 8]
mov eax, dword [edx]
push eax
call fcn.00442940
mov ecx, dword [ebp - 8]
mov edx, dword [ebp + 0xc]
mov dword [ecx + 8], edx
mov esp, ebp
pop ebp
ret 8

Function at 0x441e20
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [0x51f604]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 4], eax
mov ecx, dword [ebp - 4]
mov edx, dword [ecx + 8]
add edx, 2
mov eax, dword [ebp - 4]
mov dword [eax + 8], edx
mov esp, ebp
pop ebp
ret

Function at 0x441f20
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [0x51f604]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 4], eax
mov ecx, dword [ebp - 4]
mov eax, dword [ecx]
mov edx, dword [ebp - 4]
add eax, dword [edx + 8]
mov esp, ebp
pop ebp
ret
Function at 0x442050
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x51f604]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 4], eax
cmp dword [ebp + 0xc], 0xffffffff
jne 0x442074
mov ecx, dword [ebp - 4]
mov edx, dword [ecx + 8]
mov dword [ebp + 0xc], edx
mov eax, dword [ebp - 4]
mov ecx, dword [eax + 8]
mov edx, dword [ebp + 8]
lea eax, [ecx + edx*2]
mov dword [ebp - 8], eax
mov ecx, dword [ebp - 4]
mov edx, dword [ecx + 4]
sub edx, 4
cmp dword [ebp - 8], edx
jl 0x4420c4
mov eax, dword [ebp - 8]
add eax, 0x4000
mov ecx, dword [ebp - 4]
mov dword [ecx + 4], eax
mov edx, dword [ebp - 4]
mov eax, dword [edx + 4]
add eax, 0xa
push eax
mov ecx, dword [ebp - 4]
mov edx, dword [ecx]
push edx
push 0
mov eax, dword [0x522f4c]
push eax
call dword [sym.imp.KERNEL32.dll_HeapReAlloc]
mov ecx, dword [ebp - 4]
mov dword [ecx], eax
jmp 0x44210c
mov edx, dword [ebp - 4]
cmp dword [edx + 4], 0x100000
jle 0x44210c
cmp dword [ebp - 8], 0x100000
jge 0x4420e0
mov dword [ebp - 8], 0x100000
mov eax, dword [ebp - 4]
mov ecx, dword [ebp - 8]
mov dword [eax + 4], ecx
mov edx, dword [ebp - 4]
mov eax, dword [edx + 4]
add eax, 0xa
push eax
mov ecx, dword [ebp - 4]
mov edx, dword [ecx]
push edx
push 0
mov eax, dword [0x522f4c]
push eax
call dword [sym.imp.KERNEL32.dll_HeapReAlloc]
mov ecx, dword [ebp - 4]
mov dword [ecx], eax
mov edx, dword [ebp - 4]
mov eax, dword [edx]
add eax, dword [ebp + 0xc]
mov dword [ebp - 0xc], eax
mov ecx, dword [ebp + 8]
mov edx, dword [ebp + 0xc]
lea eax, [edx + ecx*2]
mov ecx, dword [ebp - 4]
mov dword [ecx + 8], eax
mov eax, dword [ebp - 0xc]
mov esp, ebp
pop ebp
ret 8

Function at 0x442130
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [0x51f604]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 4], eax
mov ecx, dword [ebp + 8]
shl ecx, 1
mov edx, dword [ebp - 4]
mov eax, dword [edx + 8]
sub eax, ecx
mov ecx, dword [ebp - 4]
mov dword [ecx + 8], eax
mov esp, ebp
pop ebp
ret 4

Function at 0x442550
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [0x51f604]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 4], eax
mov ecx, dword [ebp - 4]
mov edx, dword [ebp + 8]
cmp edx, dword [ecx]
jb 0x44258e
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
mov edx, dword [ebp - 4]
add ecx, dword [edx + 8]
cmp dword [ebp + 8], ecx
ja 0x44258e
mov eax, dword [ebp - 4]
mov ecx, dword [ebp + 8]
sub ecx, dword [eax]
add ecx, 1
mov eax, ecx
jmp 0x442590
xor eax, eax
mov esp, ebp
pop ebp
ret 4

Function at 0x4429d0
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [0x51f604]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 4], eax
mov ecx, dword [ebp - 4]
mov edx, dword [ebp + 8]
mov dword [ecx + 8], edx
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
mov edx, dword [ebp - 4]
add ecx, dword [edx + 8]
mov dword [ebp - 8], ecx
mov eax, dword [ebp - 8]
mov esp, ebp
pop ebp
ret 4
Function at 0x442a10
Capabilities:
Query environment variable

Disassembly:
push str.EXPAT_ENTROPY_DEBUG
call dword [sym.imp.MSVCRT.dll_getenv]
add esp, 4
test eax, eax
je 0x442a74
mov ecx, 0x4efda0
mov dl, byte [eax]
cmp dl, byte [ecx]
jne 0x442a47
test dl, dl
je 0x442a43
mov dl, byte [eax + 1]
cmp dl, byte [ecx + 1]
jne 0x442a47
add eax, 2
add ecx, 2
test dl, dl
jne 0x442a27
xor eax, eax
jmp 0x442a4c
sbb eax, eax
or eax, 1
test eax, eax
jne 0x442a74
push 4
push dword [esp + 0xc]
push 8
push dword [esp + 0x10]
push str.Entropy:__s_____0x_0lx___lu_bytes__n
call dword [sym.imp.MSVCRT.dll___p__iob]
add eax, 0x40
push eax
call dword [sym.imp.MSVCRT.dll_fprintf]
add esp, 0x18
mov eax, dword [esp + 8]
ret
Function at 0x446de0
Capabilities:
Generate random numbers via rtlgenrandom

Disassembly:
sub esp, 0xc
push esi
xor esi, esi
jmp 0x446df0
push 4
lea eax, [esp + 8]
mov dword [esp + 8], 0
push eax
call sub.ADVAPI32.DLL_SystemFunction036
test al, al
je 0x446e41
mov edx, dword [esp + 4]
xor ecx, ecx
mov edi, edi
cmp esi, 4
jae 0x446e2b
mov eax, edx
shr eax, cl
add ecx, 8
mov byte [esp + esi + 8], al
inc esi
cmp ecx, 0x20
jb 0x446e10
cmp esi, 4
jb 0x446df0
push dword [esp + 8]
push str.rand_s
call fcn.00442a10
add esp, 8
pop esi
add esp, 0xc
ret
lea eax, [esp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemTimeAsFileTime]
mov esi, dword [esp + 8]
xor esi, dword [esp + 0xc]
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
xor eax, esi
imul eax, eax, 0x7fffffff
push eax
push str.fallback_4_
call fcn.00442a10
add esp, 8
pop esi
add esp, 0xc
ret

Function at 0x44a640
Capabilities:
Encode data using xor

Disassembly:
sub esp, 8
cmp dword [esp + 0x10], 0
jle 0x44a742
mov eax, dword [esp + 0xc]
push ebx
push ebp
push esi
mov ecx, dword [eax]
mov edx, dword [eax + 4]
push edi
jmp 0x44a660
mov edi, dword [eax + 8]
add ecx, edi
mov esi, dword [eax + 0xc]
adc edx, esi
mov dword [eax], ecx
mov dword [eax + 4], edx
xor ecx, ecx
mov edx, esi
shld esi, edi, 0xd
shr edx, 0x13
or ecx, esi
shl edi, 0xd
mov esi, dword [eax]
or edx, edi
mov edi, dword [eax + 0x18]
mov dword [eax + 8], edx
xor dword [eax + 8], esi
mov edx, dword [eax + 4]
mov dword [eax + 0xc], ecx
xor ecx, ecx
xor dword [eax + 0xc], edx
or ecx, esi
add dword [eax + 0x10], edi
mov esi, dword [eax + 0x1c]
adc dword [eax + 0x14], esi
mov ebp, dword [eax + 0x10]
mov ebx, dword [eax + 0x14]
mov dword [eax], edx
mov edx, esi
shld esi, edi, 0x10
mov dword [eax + 4], ecx
xor ecx, ecx
or ecx, esi
shr edx, 0x10
shl edi, 0x10
or edx, edi
mov dword [eax + 0x1c], ecx
xor dword [eax + 0x1c], ebx
mov esi, dword [eax + 0x1c]
mov dword [eax + 0x18], edx
mov edx, esi
xor dword [eax + 0x18], ebp
mov edi, dword [eax + 0x18]
add dword [eax], edi
adc dword [eax + 4], esi
xor ecx, ecx
shld esi, edi, 0x15
shr edx, 0xb
or ecx, esi
shl edi, 0x15
mov esi, dword [eax + 0xc]
or edx, edi
mov edi, dword [eax + 8]
mov dword [eax + 0x18], edx
mov edx, dword [eax + 4]
mov dword [eax + 0x1c], ecx
xor dword [eax + 0x1c], edx
mov edx, esi
mov ecx, dword [eax]
xor dword [eax + 0x18], ecx
add ebp, edi
adc ebx, esi
xor ecx, ecx
shld esi, edi, 0x11
shr edx, 0xf
or ecx, esi
shl edi, 0x11
or edx, edi
mov dword [eax + 0xc], ecx
xor ecx, ecx
mov dword [eax + 8], edx
mov esi, ebp
mov edx, ebx
xor dword [eax + 0xc], edx
or ecx, esi
xor dword [eax + 8], esi
dec dword [esp + 0x20]
mov dword [eax + 0x10], edx
mov edx, dword [eax + 4]
mov dword [eax + 0x14], ecx
mov ecx, dword [eax]
jne 0x44a660
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
Function at 0x46d4e0
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 8]
cmp dword [esi + 0x14], 0xca
jne 0x46d50f
push esi
call fcn.0046d6c0
add esp, 4
cmp byte [esi + 0x40], 0
je 0x46d508
mov dword [esi + 0x14], 0xcf
mov al, 1
pop esi
ret
mov dword [esi + 0x14], 0xcb
mov eax, dword [esi + 0x14]
push edi
cmp eax, 0xcb
jne 0x46d592
mov eax, dword [esi + 0x1a8]
cmp byte [eax + 0x10], 0
je 0x46d57d
mov eax, dword [esi + 8]
test eax, eax
je 0x46d535
mov eax, dword [eax]
push esi
call eax
add esp, 4
mov eax, dword [esi + 0x1a8]
push esi
mov eax, dword [eax]
call eax
add esp, 4
test eax, eax
je 0x46d578
cmp eax, 2
je 0x46d57d
mov ecx, dword [esi + 8]
test ecx, ecx
je 0x46d526
cmp eax, 3
je 0x46d55d
cmp eax, 1
jne 0x46d526
inc dword [ecx + 4]
mov edx, dword [esi + 8]
mov edi, dword [edx + 8]
cmp dword [ecx + 4], edi
jl 0x46d526
mov eax, dword [esi + 0x128]
add eax, edi
mov dword [edx + 8], eax
jmp 0x46d526
pop edi
xor al, al
pop esi
ret
mov eax, dword [esi + 0x7c]
push esi
mov dword [esi + 0x84], eax
call fcn.0046d5c0
add esp, 4
pop edi
pop esi
ret
cmp eax, 0xcc
je 0x46d5b4
mov eax, dword [esi]
push esi
mov dword [eax + 0x14], 0x15
mov ecx, dword [esi]
mov eax, dword [esi + 0x14]
mov dword [ecx + 0x18], eax
mov eax, dword [esi]
mov eax, dword [eax]
call eax
add esp, 4
push esi
call fcn.0046d5c0
add esp, 4
pop edi
pop esi
ret

Function at 0x46d5c0
Capabilities:
Check for software breakpoints

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0xc]
push edi
cmp dword [esi + 0x14], 0xcc
je 0x46d5ec
mov eax, dword [esi + 0x198]
push esi
mov eax, dword [eax]
call eax
add esp, 4
mov dword [esi + 0x78], 0
mov dword [esi + 0x14], 0xcc
mov eax, dword [esi + 0x198]
cmp byte [eax + 8], 0
je 0x46d672
lea ebx, [esi + 0x78]
jmp 0x46d600
mov eax, dword [ebx]
cmp eax, dword [esi + 0x60]
jae 0x46d646
mov ecx, dword [esi + 8]
test ecx, ecx
je 0x46d625
mov dword [ecx + 4], eax
mov ecx, dword [esi + 8]
mov eax, dword [esi + 0x60]
push esi
mov dword [ecx + 8], eax
mov eax, dword [esi + 8]
mov eax, dword [eax]
call eax
add esp, 4
mov eax, dword [esi + 0x19c]
mov edi, dword [ebx]
push 0
push ebx
mov eax, dword [eax + 4]
push 0
push esi
call eax
mov eax, dword [ebx]
add esp, 0x10
cmp eax, edi
je 0x46d688
cmp eax, dword [esi + 0x60]
jb 0x46d607
mov eax, dword [esi + 0x198]
push esi
mov eax, dword [eax + 4]
call eax
mov eax, dword [esi + 0x198]
push esi
mov eax, dword [eax]
call eax
mov dword [ebx], 0
add esp, 8
mov eax, dword [esi + 0x198]
cmp byte [eax + 8], 0
jne 0x46d600
xor eax, eax
cmp byte [esi + 0x41], al
pop edi
setne al
add eax, 0xcd
mov dword [esi + 0x14], eax
mov al, 1
pop esi
pop ebx
ret
pop edi
pop esi
xor al, al
pop ebx
ret
Function at 0x46f980
Capabilities:
Query environment variable

Disassembly:
push ecx
push esi
push edi
mov edi, dword [esp + 0x10]
push edi
mov dword [edi + 4], 0
call fcn.0047d6e0
push 0x54
push edi
mov dword [esp + 0x14], eax
call fcn.0047d6b0
mov esi, eax
add esp, 0xc
test esi, esi
jne 0x46f9c7
push edi
call fcn.0047d6f0
mov ecx, dword [edi]
push edi
mov dword [ecx + 0x14], 0x38
mov ecx, dword [edi]
mov dword [ecx + 0x18], esi
mov eax, dword [edi]
mov eax, dword [eax]
call eax
add esp, 8
mov dword [esi], fcn.0046f610
mov dword [esi + 4], fcn.0046f4a0
mov dword [esi + 8], fcn.0046f570
mov dword [esi + 0xc], fcn.0046f3f0
mov dword [esi + 0x10], 0x46fce0
mov dword [esi + 0x14], 0x46fc70
mov dword [esi + 0x18], 0x46fad0
mov dword [esi + 0x1c], 0x46f2a0
mov dword [esi + 0x20], 0x46f150
mov dword [esi + 0x24], 0x46f880
mov dword [esi + 0x28], 0x46fd50
mov dword [esi + 0x30], 0x3b9aca00
mov eax, dword [esp + 8]
mov dword [esi + 0x2c], eax
mov dword [esi + 0x38], 0
mov dword [esi + 0x40], 0
mov dword [esi + 0x34], 0
mov dword [esi + 0x3c], 0
mov dword [esi + 0x44], 0
mov dword [esi + 0x48], 0
mov dword [esi + 0x4c], 0x54
push str.JPEGMEM
mov dword [edi + 4], esi
call dword [sym.imp.MSVCRT.dll_getenv]
add esp, 4
test eax, eax
je 0x46faaa
lea ecx, [esp + 0x10]
mov byte [esp + 0x10], 0x78
push ecx
lea ecx, [esp + 0xc]
push ecx
push str._ld_c
push eax
call dword [sym.imp.MSVCRT.dll_sscanf]
add esp, 0x10
test eax, eax
jle 0x46faaa
mov al, byte [esp + 0x10]
cmp al, 0x6d
je 0x46fa99
cmp al, 0x4d
mov eax, dword [esp + 8]
jne 0x46faa1
imul eax, dword [esp + 8], 0x3e8
imul eax, eax, 0x3e8
mov dword [esi + 0x2c], eax
pop edi
pop esi
pop ecx
ret
Function at 0x473270
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
sub esp, 0x14
push ebx
push ebp
mov ebp, dword [esp + 0x20]
push esi
cmp dword [ebp + 0x4c], 1
mov ebx, dword [ebp + 0x1c0]
mov dword [esp + 0x1c], ebx
jne 0x473295
mov esi, 0x1fe
mov byte [ebx + 0x1c], 1
jmp 0x47329b
xor esi, esi
mov byte [ebx + 0x1c], 0
push dword [ebp + 0x64]
mov ecx, dword [ebp + 4]
lea eax, [esi + 0x100]
push eax
push 1
push ebp
mov eax, dword [ecx + 8]
mov dword [esp + 0x20], esi
call eax
xor ecx, ecx
mov dword [ebx + 0x18], eax
mov eax, dword [ebx + 0x14]
add esp, 0x10
mov dword [esp + 0x14], ecx
cmp dword [ebp + 0x64], ecx
jle 0x4733b0
push edi
lea ecx, [ecx]
mov edi, dword [ebx + ecx*4 + 0x20]
cdq
idiv edi
mov dword [esp + 0x10], edi
mov dword [esp + 0x1c], eax
test esi, esi
je 0x4732ed
mov eax, dword [ebx + 0x18]
add dword [eax + ecx*4], 0xff
mov eax, dword [ebx + 0x18]
xor ebx, ebx
mov ebp, dword [eax + ecx*4]
lea eax, [edi + 0xfe]
lea ecx, [edi*2 - 2]
cdq
idiv ecx
xor esi, esi
mov edx, eax
lea esp, [esp]
cmp esi, edx
jle 0x473346
mov ecx, dword [esp + 0x10]
lea edi, [edi*2 - 2]
imul eax, ebx, 0x1fe
add ecx, 0xfe
add ecx, eax
lea ecx, [ecx]
add ecx, 0x1fe
inc ebx
mov eax, ecx
cdq
idiv edi
mov edx, eax
cmp esi, edx
jg 0x473330
mov edi, dword [esp + 0x10]
mov al, byte [esp + 0x1c]
imul bl
mov byte [esi + ebp], al
inc esi
cmp esi, 0xff
jle 0x473310
mov esi, dword [esp + 0x14]
test esi, esi
je 0x473391
mov ecx, 1
lea edx, [ebp - 1]
jmp 0x473370
movzx eax, byte [ebp]
lea edx, [edx - 1]
mov byte [edx + 1], al
movzx eax, byte [ebp + 0xff]
mov byte [ecx + ebp + 0xff], al
inc ecx
cmp ecx, 0xff
jle 0x473370
mov eax, dword [esp + 0x28]
mov ecx, dword [esp + 0x18]
mov ebx, dword [esp + 0x20]
inc ecx
mov dword [esp + 0x18], ecx
cmp ecx, dword [eax + 0x64]
mov eax, dword [esp + 0x1c]
jl 0x4732d0
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x14
ret
Function at 0x4a62c0
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
mov ecx, dword [esp + 8]
push ebx
push ebp
push esi
mov esi, dword [esp + 0x10]
mov ebx, 0x1505
add ecx, esi
mov eax, ecx
push edi
xor edi, edi
sub eax, esi
cmp ecx, esi
sbb ebp, ebp
not ebp
and ebp, eax
jbe 0x4a6304
mov al, byte [esi]
push eax
call fcn.004b2290
movsx ecx, al
lea esi, [esi + 1]
mov eax, ebx
inc edi
shl eax, 5
add esp, 4
add eax, ebx
xor ecx, eax
mov ebx, ecx
cmp edi, ebp
jb 0x4a62e3
pop edi
pop esi
pop ebp
movzx eax, bl
pop ebx
ret
Function at 0x4a9040
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push str.kernel32
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x4a905a
pop edi
pop ebx
pop ecx
ret
push ebp
push esi
push str.LoadLibraryExA
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [esp + 0x18]
mov ebp, eax
push 0x4f805c
push esi
call dword [sym.imp.MSVCRT.dll_strpbrk]
add esp, 8
test eax, eax
je 0x4a90a3
test ebp, ebp
je 0x4a9094
push 8
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
test ebp, ebp
je 0x4a90c9
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4a90c9
push 0x800
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
mov edx, eax
mov dword [esp + 0x10], edx
test edx, edx
je 0x4a917f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4a90e6
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x51f608]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4a9175
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4a9175
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4a9118
sub ecx, edx
mov eax, 0x5c
mov word [ecx + ebx], ax
mov ecx, ebx
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4a9130
sub ecx, edx
add ecx, ebx
sub ecx, esi
lea ecx, [ecx]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x4a9140
test ebp, ebp
je 0x4a916c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x51f60c]
add esp, 4
mov eax, edi
pop esi
pop ebp
pop edi
pop ebx
pop ecx
ret
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
push ebx
call dword [0x51f60c]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x4a9310
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x22c
test byte [esp + 0x230], 2
je 0x4a935b
lea eax, [esp + 0x9c]
push eax
push 0x202
call dword [sym.imp.WSOCK32.DLL_WSAStartup]
test eax, eax
jne 0x4a934f
mov eax, dword [esp + 0x9c]
cmp al, 2
jne 0x4a9349
shr eax, 8
cmp al, 2
je 0x4a935b
call dword [sym.imp.WSOCK32.DLL_WSACleanup]
mov eax, 2
add esp, 0x22c
ret
call fcn.004c2cc0
test eax, eax
jne 0x4a9430
push str.iphlpapi.dll
call fcn.004a9040
add esp, 4
mov dword [0x522ac8], eax
test eax, eax
je 0x4a9393
push str.if_nametoindex
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4a9393
mov dword [0x522ac4], eax
push esi
push 0x9c
lea eax, [esp + 8]
push 0
push eax
call sub.MSVCRT.dll_memset
mov esi, dword [sym.imp.KERNEL32.dll_VerSetConditionMask]
add esp, 0xc
mov dword [esp + 4], 0x9c
mov dword [esp + 8], 6
mov dword [esp + 0xc], 0
push 3
push 2
push 0
push 0
mov dword [esp + 0x24], 2
call esi
push 3
push 1
push edx
push eax
call esi
push 3
push 0x20
push edx
push eax
call esi
push 3
push 0x10
push edx
push eax
call esi
push 1
push 8
push edx
push eax
call esi
push edx
push eax
push 0x33
lea eax, [esp + 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_VerifyVersionInfoA]
pop esi
test eax, eax
je 0x4a9427
push 0x522f50
mov byte [0x522f58], 1
call dword [sym.imp.KERNEL32.dll_QueryPerformanceFrequency]
xor eax, eax
add esp, 0x22c
ret
mov byte [0x522f58], 0
xor eax, eax
add esp, 0x22c
ret

Function at 0x4a95b0
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x2c8], 2
je fcn.004a9560
mov al, 1
ret

Function at 0x4a96f0
Capabilities:
Write file on windows

Disassembly:
push esi
push edi
mov edi, dword [esp + 0xc]
cmp dword [edi + 0x5e0], 0
je 0x4a9734
push 1
push edi
call fcn.004aa8f0
push dword [edi + 0x574]
mov eax, dword [edi + 0x5e0]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push edi
call eax
push 0
push edi
mov esi, eax
call fcn.004aa8f0
add esp, 0x24
mov eax, esi
pop edi
pop esi
ret
mov eax, dword [esp + 0x10]
cmp eax, 2
ja 0x4a976d
push dword [edi + 0x570]
mov esi, dword [sym.imp.MSVCRT.dll_fwrite]
lea eax, [eax + eax*2]
push 1
add eax, 0x4f80e0
push 2
push eax
call esi
push dword [edi + 0x570]
push 1
push dword [esp + 0x30]
push dword [esp + 0x30]
call esi
add esp, 0x20
pop edi
xor eax, eax
pop esi
ret

Function at 0x4a9970
Capabilities:
Receive data
Receive data on socket

Disassembly:
push 0
push dword [esp + 0x10]
push dword [esp + 0x10]
push dword [esp + 0x10]
call dword [sym.imp.WSOCK32.DLL_recv]
mov ecx, eax
cmp ecx, 0xffffffff
jne 0x4a99a1
call dword [sym.imp.WSOCK32.DLL_WSAGetLastError]
sub eax, 0x2733
neg eax
sbb eax, eax
and eax, 0xffffffe7
add eax, 0x51
ret
mov eax, dword [esp + 0x10]
mov dword [eax], ecx
xor eax, eax
ret