joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4c7bf0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
test eax, eax
jne 0x4c7bfc
pop ebp
ret
mov dword [ebp + 0xc], eax
pop ebp
jmp fcn.004c7c10
Function at 0x4d24a0
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 0x4d24ba
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 0x570874
push esi
call fcn.00533510
add esp, 8
test eax, eax
je 0x4d2502
test ebp, ebp
je 0x4d24f3
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 0x4d2528
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4d2528
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 0x4d25df
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4d2545
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x5a7360]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4d25d5
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4d25d5
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4d2577
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 0x4d2590
sub ecx, edx
add ecx, ebx
sub ecx, esi
nop dword [eax]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x4d25a0
test ebp, ebp
je 0x4d25cc
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x5a7364]
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 [0x5a7364]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x4d2790
Capabilities:
Resolve dns

Disassembly:
sub esp, 8
mov eax, dword [esp + 0x18]
push ebx
push ebp
xor ebx, ebx
xor ebp, ebp
mov dword [eax], ebx
lea eax, [esp + 8]
push eax
push dword [esp + 0x20]
push dword [esp + 0x20]
push dword [esp + 0x20]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [esp + 0xc], eax
test eax, eax
jne 0x4d290c
push edi
mov edi, dword [esp + 0xc]
test edi, edi
je 0x4d28f7
push esi
cmp dword [edi + 4], 2
jne 0x4d2884
cmp dword [edi + 0x18], 0
je 0x4d2884
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4d2884
cmp eax, 0x10
jb 0x4d2884
push 0x20
call dword [0x5a7360]
mov esi, eax
add esp, 4
test esi, esi
je 0x4d28ec
mov eax, dword [edi]
mov dword [esi], eax
mov eax, dword [edi + 4]
mov dword [esi + 4], eax
mov eax, dword [edi + 8]
mov dword [esi + 8], eax
mov eax, dword [edi + 0xc]
push 0x10
mov dword [esi + 0xc], eax
mov dword [esi + 0x10], 0x10
mov dword [esi + 0x18], 0
mov dword [esi + 0x14], 0
mov dword [esi + 0x1c], 0
call dword [0x5a7360]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4d28db
mov ecx, dword [edi + 0x18]
movups xmm0, xmmword [ecx]
movups xmmword [eax], xmm0
mov eax, dword [edi + 0x14]
test eax, eax
je 0x4d2876
push eax
call dword [0x5a736c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4d28c1
test ebx, ebx
cmove ebx, esi
test ebp, ebp
je 0x4d2882
mov dword [ebp + 0x1c], esi
mov ebp, esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4d27d0
mov ebp, dword [esp + 0x14]
mov eax, dword [esp + 0x10]
pop esi
test eax, eax
je 0x4d28a3
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebp, ebp
je 0x4d28f3
push ebx
call fcn.004d2750
mov eax, dword [esp + 0x28]
add esp, 4
xor ebx, ebx
mov dword [eax], ebx
mov eax, ebp
pop edi
pop ebp
pop ebx
add esp, 8
ret
push dword [esi + 0x18]
mov ebp, 8
call dword [0x5a7364]
push esi
call dword [0x5a7364]
add esp, 8
jmp 0x4d2893
push esi
mov ebp, 8
call dword [0x5a7364]
add esp, 4
jmp 0x4d2893
mov ebp, 8
jmp 0x4d2893
test ebx, ebx
jne 0x4d2903
mov ebp, 0x2af9
push ebp
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x24]
pop edi
mov dword [eax], ebx
mov eax, ebp
pop ebp
pop ebx
add esp, 8
ret
Function at 0x4d6cc0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x18
mov eax, dword [0x5a7464]
xor eax, esp
mov dword [esp + 0x14], eax
push ebx
push ebp
push esi
mov esi, dword [esp + 0x28]
lea eax, [esp + 0xc]
push edi
push eax
lea eax, [esp + 0x18]
mov dword [esp + 0x14], 0x10
mov ebp, dword [esi + 0x16c]
or edi, 0xffffffff
mov ebx, dword [esi]
push eax
push ebp
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x4d6d19
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0x10
push eax
lea eax, [esp + 0x18]
push eax
push ebp
call dword [sym.imp.WS2_32.dll_accept]
mov edi, eax
push ebp
push esi
call fcn.004c4dd0
add esp, 8
cmp edi, 0xffffffff
jne 0x4d6d4e
push str.Error_accept__ing_server_connect
push ebx
call fcn.004c4530
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.00506c20
add esp, 0x18
ret
push str.Connection_accepted_from_server_n
push ebx
call fcn.004c4600
push 1
mov byte [esi + 0x293], 0
push edi
mov dword [esi + 0x16c], edi
call fcn.004e6b70
mov byte [esi + 0x179], 1
add esp, 0x10
mov eax, dword [ebx + 0x1d8]
test eax, eax
je 0x4d6db5
push 1
push edi
push dword [ebx + 0x1dc]
call eax
add esp, 0xc
test eax, eax
je 0x4d6db5
push esi
call fcn.004d7230
add esp, 4
mov eax, 0x2a
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.00506c20
add esp, 0x18
ret
mov ecx, dword [esp + 0x24]
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00506c20
add esp, 0x18
ret
Function at 0x4db890
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x5a7464]
xor eax, esp
mov dword [esp + 0x190], eax
push esi
mov esi, dword [esp + 0x19c]
lea eax, [esp + 4]
push eax
push 2
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x4db8ce
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004c4530
add esp, 0xc
jmp 0x4db909
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [esp + 4]
cmp al, 2
jne 0x4db8fb
shr eax, 8
test al, al
jne 0x4db8fb
xor eax, eax
pop esi
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.00506c20
add esp, 0x194
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004c4530
add esp, 8
mov ecx, dword [esp + 0x194]
mov eax, 2
pop esi
xor ecx, esp
call fcn.00506c20
add esp, 0x194
ret

Function at 0x4dc1b0
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0xc]
push esi
mov esi, dword [esp + 0xc]
push edi
push 0
mov byte [esp + 0x16], al
lea eax, [esp + 0x14]
mov edi, dword [esi]
push 3
push eax
push dword [esi + 0x168]
mov byte [esp + 0x20], 0xff
mov byte [esp + 0x21], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4dc1fc
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004c4530
add esp, 0xc
push dword [esp + 0x18]
push ebx
push str.SENT
push dword [esi]
call fcn.004dbab0
add esp, 0x10
pop edi
pop esi
pop ebx
ret
Function at 0x4dc2e0
Capabilities:
Send data
Send data on socket

Disassembly:
sub esp, 0x14
cmp dword [esp + 0x1c], 0x1f
mov eax, dword [esp + 0x18]
push ebx
mov eax, dword [eax]
mov dword [esp + 4], eax
mov ebx, dword [eax + 0x154]
jne 0x4dc439
push ebp
push edi
lea ebp, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], ebp
cmp ebp, edi
jae 0x4dc319
mov byte [ebp], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4dc324
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4dc32f
mov byte [eax], 0x1f
inc dword [edi]
movzx eax, word [ebx + 0x1ca8]
push esi
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
mov word [esp + 0x14], ax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov ecx, dword [edi]
mov word [esp + 0x1c], ax
cmp ecx, edi
jae 0x4dc362
mov al, byte [esp + 0x14]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4dc370
mov al, byte [esp + 0x15]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4dc37e
mov al, byte [esp + 0x1c]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4dc38c
mov al, byte [esp + 0x1d]
mov byte [ecx], al
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4dc397
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4dc3a2
mov byte [eax], 0xf0
inc dword [edi]
mov eax, dword [edi]
mov esi, dword [esp + 0x10]
mov dword [ebx + 0x1eb4], eax
sub eax, ebp
sub eax, 2
mov dword [edi], ebp
push eax
lea eax, [ebx + 0x1cb2]
push eax
push 0x3e
push esi
call fcn.004dbbc0
mov edi, dword [esp + 0x38]
add esp, 0x10
push 0
push 3
push ebp
push dword [edi + 0x168]
call dword [sym.imp.WS2_32.dll_send]
mov ebp, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x4dc3f8
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004c4530
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push edi
call fcn.004dc220
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [edi + 0x168]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4dc436
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004c4530
add esp, 0xc
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x14
ret
Function at 0x4dd340
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x88
mov eax, dword [0x5a7464]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
push ebp
mov ebp, dword [esp + 0x94]
lea eax, [esp + 8]
push esi
push edi
push eax
mov esi, dword [ebp + 0x4e8]
lea eax, [esp + 0x18]
mov edi, dword [ebp]
push eax
mov dword [esp + 0x18], 0x80
mov eax, dword [esi + 0x154]
push 0
add eax, 4
push eax
push dword [esi + 0x15c]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [esi + 0x148], 0
mov dword [esi + 0x14c], eax
jne 0x4dd3c6
push dword [esp + 0x10]
lea eax, [esp + 0x18]
push eax
lea eax, [esi + 0xc8]
push eax
call fcn.004b18d0
mov eax, dword [esp + 0x1c]
add esp, 0xc
mov dword [esi + 0x148], eax
mov edx, dword [esi + 0x14c]
cmp edx, 4
jge 0x4dd401
push str.Received_too_short_packet
push edi
call fcn.004c4530
add esp, 8
mov dword [esi + 0xc], 7
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00506c20
add esp, 0x88
ret
mov eax, dword [esi + 0x15c]
movzx ecx, byte [eax + 1]
movzx eax, byte [eax]
shl eax, 8
or ecx, eax
mov dword [esi + 0xc], ecx
add ecx, 0xfffffffd
cmp ecx, 3
ja case.default.0x4dd422
jmp dword [ecx*4 + 0x4dd52c]
cmp edx, 4
jle case.0x4dd422.4
mov eax, dword [esi + 0x15c]
movzx ecx, byte [eax + 2]
movzx eax, byte [eax + 3]
shl ecx, 8
or ecx, eax
movzx eax, word [esi + 0x40]
inc eax
movzx eax, ax
cmp eax, ecx
jne case.0x4dd422.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi + 0x15c]
add eax, 4
push eax
push 1
push ebp
call fcn.004c4410
mov ebx, eax
add esp, 0x10
test ebx, ebx
je 0x4dd486
push 5
push esi
call fcn.004ddc80
add esp, 8
mov eax, ebx
jmp 0x4dd3e8
mov eax, dword [esi + 0x14c]
sub eax, 4
cdq
add dword [edi + 0x70], eax
adc dword [edi + 0x74], edx
push dword [edi + 0x74]
push dword [edi + 0x70]
push edi
call fcn.004d04b0
jmp 0x4dd501
mov eax, dword [esi + 0x15c]
movzx ecx, byte [eax + 2]
movzx eax, byte [eax + 3]
shl ecx, 8
or ecx, eax
mov eax, dword [esi + 0x15c]
add eax, 4
mov dword [esi + 8], ecx
push eax
push 0x56b4c0
push edi
call fcn.004c4600
jmp 0x4dd501
lea eax, [edx - 2]
push eax
mov eax, dword [esi + 0x15c]
add eax, 2
push eax
push esi
call fcn.004dd0d0
add esp, 0xc
test eax, eax
je case.0x4dd422.4
jmp 0x4dd3e8
push str.Internal_error:_Unexpected_packet
push 0x56c02c
push edi
call fcn.004c4530
add esp, 0xc
push ebp
call fcn.004d0710
add esp, 4
test eax, eax
je 0x4dd3e6
push 5
push esi
call fcn.004ddc80
add esp, 8
mov eax, 0x2a
jmp 0x4dd3e8
Function at 0x4e4690
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x5a7464]
xor eax, esp
mov dword [esp + 0x104], eax
mov eax, dword [esp + 0x10c]
push eax
call fcn.00533ae3
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x4e46f5
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x4e46f5
lea eax, [esp]
push eax
call dword [0x5a736c]
add esp, 4
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.00506c20
add esp, 0x108
ret
mov ecx, dword [esp + 0x104]
xor eax, eax
xor ecx, esp
call fcn.00506c20
add esp, 0x108
ret
Function at 0x4e81b0
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
mov eax, dword [esi]
cmp dword [eax + 4], 2
jne 0x4e81db
mov ecx, dword [esi + 0xc]
test ecx, ecx
jne 0x4e81ca
pop edi
xor eax, eax
pop esi
ret
push dword [eax + 8]
push dword [esp + 0x18]
push 1
push dword [esp + 0x1c]
call ecx
jmp 0x4e8210
cmp dword [esi + 8], 0
jne 0x4e81fe
push 0x58ed9c
push dword [eax + 8]
call fcn.00524659
add esp, 8
mov dword [esi + 8], eax
test eax, eax
jne 0x4e81fe
pop edi
or eax, 0xffffffff
pop esi
ret
push dword [esi + 8]
push dword [esp + 0x18]
push 1
push dword [esp + 0x1c]
call fcn.00527feb
mov edi, eax
add esp, 0x10
test edi, edi
jne 0x4e8232
mov eax, dword [esi + 8]
test eax, eax
je 0x4e822c
push eax
call fcn.0052472d
add esp, 4
mov dword [esi + 8], edi
mov eax, dword [esi]
mov eax, dword [eax]
mov dword [esi], eax
mov eax, edi
pop edi
pop esi
ret

Function at 0x4ec530
Capabilities:
Hash data using md4
Hash data via wincrypt
Initialize hashing via wincrypt

Disassembly:
sub esp, 0xc
push ebx
mov ebx, dword [esp + 0x18]
push ebp
push esi
mov esi, ebx
push edi
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x4ec540
sub esi, ecx
lea ebp, [esi + esi]
push ebp
call dword [0x5a7360]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4ec567
lea eax, [edi + 0x1b]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
xor ecx, ecx
test esi, esi
je 0x4ec580
nop dword [eax]
mov al, byte [ecx + ebx]
mov byte [edi + ecx*2], al
mov byte [edi + ecx*2 + 1], 0
inc ecx
cmp ecx, esi
jb 0x4ec570
push 0xf0000000
push 1
push 0
push 0
lea eax, [esp + 0x24]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
mov esi, dword [esp + 0x28]
test eax, eax
je 0x4ec5fa
lea eax, [esp + 0x10]
push eax
push 0
push 0
push 0x8002
push dword [esp + 0x24]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
je 0x4ec5ee
push 0
push ebp
push edi
push dword [esp + 0x1c]
mov dword [esp + 0x28], 0x10
call dword [sym.imp.ADVAPI32.dll_CryptHashData]
push 0
lea eax, [esp + 0x1c]
push eax
push esi
push 2
push dword [esp + 0x20]
call dword [sym.imp.ADVAPI32.dll_CryptGetHashParam]
push dword [esp + 0x10]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyHash]
push 0
push dword [esp + 0x18]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov dword [esi + 0x10], 0
push edi
mov byte [esi + 0x14], 0
call dword [0x5a7364]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
Function at 0x4ec620
Capabilities:
Create new key via cryptacquirecontext
Encrypt data using des via winapi
Encrypt or decrypt via wincrypt

Disassembly:
sub esp, 0x24
mov eax, dword [0x5a7464]
xor eax, esp
mov dword [esp + 0x20], eax
push esi
mov esi, dword [esp + 0x30]
lea eax, [esp + 4]
push edi
mov edi, dword [esp + 0x38]
push 0xf0000000
push 1
push 0
push 0
push eax
mov dword [esp + 0x20], 8
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
test eax, eax
je 0x4ec6c4
lea eax, [esp + 0x20]
mov dword [esp + 0x24], 0
push eax
xorps xmm0, xmm0
movups xmmword [esp + 0x18], xmm0
push edi
mov word [esp + 0x1c], 0x208
mov dword [esp + 0x20], 0x6601
mov dword [esp + 0x24], 8
call fcn.004ec730
lea eax, [esp + 0x28]
push 8
push eax
call fcn.004f1570
add esp, 0x10
lea eax, [esp + 0x10]
push eax
push 0
push 0
push 0x14
lea eax, [esp + 0x24]
push eax
push dword [esp + 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
test eax, eax
jne 0x4ec6d7
push eax
push dword [esp + 0xc]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
pop edi
xor al, al
pop esi
mov ecx, dword [esp + 0x20]
xor ecx, esp
call fcn.00506c20
add esp, 0x24
ret
mov ecx, dword [esp + 0x30]
push dword [esp + 0xc]
mov eax, dword [ecx]
mov dword [esi], eax
mov eax, dword [ecx + 4]
mov dword [esi + 4], eax
lea eax, [esp + 0x10]
push eax
push esi
push 0
push 0
push 0
push dword [esp + 0x28]
call dword [sym.imp.ADVAPI32.dll_CryptEncrypt]
push dword [esp + 0x10]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
push 0
push dword [esp + 0xc]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov ecx, dword [esp + 0x28]
mov al, 1
pop edi
pop esi
xor ecx, esp
call fcn.00506c20
add esp, 0x24
ret
Function at 0x4f2010
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
push ecx
push esi
mov esi, dword [esp + 0xc]
push edi
mov ecx, dword [esi + 0xc]
mov eax, dword [esi + 0x14]
lea eax, [eax + ecx*2]
add eax, 0xc
push eax
call dword [0x5a7360]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4f2037
pop edi
pop esi
pop ecx
ret
lea ecx, [edi + 0xc]
mov dword [edi], esi
mov dword [edi + 4], ecx
mov eax, dword [esi + 0xc]
add eax, ecx
push ebx
mov ebx, dword [esp + 0x1c]
mov dword [edi + 8], eax
push ebp
cmp ebx, dword [esi + 0x10]
jbe 0x4f207f
mov eax, dword [esi]
push ecx
call eax
mov eax, dword [esi + 4]
push ebx
push dword [esp + 0x24]
push dword [edi + 4]
call eax
mov ebp, dword [edi + 8]
push dword [edi + 4]
add ebp, dword [esi + 0xc]
mov eax, dword [esi + 8]
push ebp
call eax
mov ebx, dword [esi + 0x14]
add esp, 0x18
mov dword [esp + 0x20], ebx
jmp 0x4f2083
mov ebp, dword [esp + 0x1c]
push dword [edi + 4]
mov eax, dword [esi]
call eax
push dword [edi + 8]
mov eax, dword [esi]
call eax
mov eax, dword [esp + 0x28]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x4f20e5
mov dword [esp + 0x10], eax
mov ebx, eax
movzx eax, byte [ebp]
xor al, 0x36
mov byte [esp + 0x18], al
lea eax, [esp + 0x18]
push 1
push eax
push dword [edi + 4]
mov eax, dword [esi + 4]
call eax
movzx eax, byte [ebp]
lea ebp, [ebp + 1]
xor al, 0x5c
mov byte [esp + 0x24], al
lea eax, [esp + 0x24]
push 1
push eax
push dword [edi + 8]
mov eax, dword [esi + 4]
call eax
add esp, 0x18
sub ebx, 1
jne 0x4f20a4
mov ebx, dword [esp + 0x10]
cmp ebx, dword [esi + 0x10]
jae 0x4f2117
nop word [eax + eax]
mov eax, dword [esi + 4]
push 1
push 0x5770c8
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x5770c9
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x4f20f0
pop ebp
pop ebx
mov eax, edi
pop edi
pop esi
pop ecx
ret

Function at 0x50b2c6
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x1c]
push dword [ebp + 0x18]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateThread]
pop ebp
ret

Function at 0x53dc1b
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0053da9a

Function at 0x544a29
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.005446e9
Function at 0x40229f
Capabilities:
Enumerate pe sections

Disassembly:
mov ecx, dword [esp + 8]
push esi
push edi
xor edi, edi
movzx eax, word [ecx + 0x14]
movzx esi, word [ecx + 6]
test esi, esi
lea eax, [eax + ecx + 0x18]

Function at 0x402af1
Capabilities:
Contain obfuscated stackstrings

Disassembly:
test dword [esi + 0x25fffffc], edi
lea eax, [ebp - 0x354]
push eax
call fcn.0040226f
pop ecx
push eax
push dword [ebp + 0x18]
push dword [ebp + 0x14]
invalid
adc al, 0xf7

Function at 0x402b35
Capabilities:
Contain obfuscated stackstrings

Disassembly:
add byte [edx + 0x40], ch
pop ecx
xor eax, eax
lea edi, [ebp - 0x333]
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
mov dword [ebp - 0x670], 4
and byte [ebp - 0x3c4], 0
and byte [ebp - 0x3c3], 0
mov byte [ebp - 0x3c2], 0x99
and byte [ebp - 0x3c1], 0
mov byte [ebp - 0x3c0], 0x21
mov byte [ebp - 0x3bf], 3
mov byte [ebp - 0x3be], 0x12
mov byte [ebp - 0x3bd], 0x2b
invalid
test dword [esp + edi*8 - 1], eax
invalid

Function at 0x405966
Capabilities:
Get file size

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
xor esi, esi
push esi
push 0x8000000
push 3
push esi
push esi
push SysReAllocString
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
cmp edi, 0xffffffff
je 0x4059bd
push esi
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov ecx, dword [ebp + 0xc]
mov dword [ecx], eax
cmp eax, 0xffffffff
jne 0x4059b0
call dword [sym.imp.KERNEL32.dll_GetLastError]
push edi
mov esi, eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push esi
jmp 0x4059c4
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
pop esi
pop ebp
ret 8
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
lea ecx, [ebp + 8]
call fcn.00402c97
push 0x44b5a0
lea eax, [ebp + 8]
push eax
call fcn.00425e44
int3
Function at 0x40e88f
Capabilities:
Query environment variable
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
mov eax, dword [0x451334]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 0xc]
mov eax, ecx
mov ecx, dword [ebp + 8]
push esi
push edi
cmp dword [eax], 0
mov edi, dword [ebp + 0x10]
mov dword [ebp - 0x18], eax
mov dword [ebp - 0x24], ecx
mov dword [ebp - 0x2c], ebx
mov dword [ebp - 0x28], edi
je 0x40ea6f
xor esi, esi
lea edx, [ebp - 0x20]
push edx
push esi
lea edx, [ebp - 0x1c]
mov dword [ebp - 0x1c], esi
push edx
push esi
push ecx
push dword [eax]
mov dword [ebp - 0x20], esi
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
je 0x40e8f7
push eax
lea ecx, [ebp - 0x24]
call fcn.00402c97
push 0x44b5a0
lea eax, [ebp - 0x24]
jmp 0x40ea7f
mov eax, dword [ebp - 0x1c]
test eax, eax
je 0x40e973
cmp eax, 2
jbe 0x40e908
cmp eax, 4
jne 0x40e973
push dword [ebp - 0x20]
call fcn.00423c6a
mov esi, eax
pop ecx
test esi, esi
jne 0x40e929
lea ecx, [ebp - 0x11]
call fcn.00402c71
push 0x44b568
jmp 0x40ea7c
lea eax, [ebp - 0x20]
push eax
push esi
lea eax, [ebp - 0x1c]
push eax
mov eax, dword [ebp - 0x18]
push 0
push dword [ebp - 0x24]
push dword [eax]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
je 0x40e95c
push eax
lea ecx, [ebp - 0x18]
call fcn.00402c97
push 0x44b5a0
lea eax, [ebp - 0x18]
jmp 0x40ea7f
mov eax, dword [ebp - 0x1c]
sub eax, 1
je 0x40ea3f
sub eax, 1
je 0x40e9b7
dec eax
sub eax, 1
je 0x40e985
lea ecx, [ebp - 0x11]
call fcn.00403eb4
push 0x44bb18
jmp 0x40ea7c
push dword [esi]
lea eax, [ebp - 0x10]
push 0x43b72c
push 0xffffffffffffffff
push eax
call fcn.00402b8e
lea eax, [ebp - 0x10]
push eax
call fcn.00402af1
add esp, 0x14
mov ecx, ebx
push eax
lea eax, [ebp - 0x10]
push eax
call fcn.0040202a
and dword [edi], 0
jmp 0x40ea55
push 0
push 0
push esi
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
mov ebx, eax
test ebx, ebx
jne 0x40e9da
push esi
call fcn.0042ea16
pop ecx
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x40e946
push ebx
call fcn.00423c6a
mov edi, eax
pop ecx
test edi, edi
je 0x40e917
push ebx
push edi
push esi
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
test eax, eax
je 0x40ea1f
cmp eax, ebx
ja 0x40ea1f
push edi
call fcn.00402af1
pop ecx
mov ecx, dword [ebp - 0x2c]
push eax
push edi
call fcn.0040202a
mov eax, dword [ebp - 0x28]
push edi
mov dword [eax], 2
call fcn.0042ea16
pop ecx
jmp 0x40ea55
push esi
call fcn.0042ea16
pop ecx
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
lea ecx, [ebp - 0x28]
call fcn.00402c97
push 0x44b5a0
lea eax, [ebp - 0x28]
jmp 0x40ea7f
push esi
call fcn.00402af1
pop ecx
push eax
push esi
mov ecx, ebx
call fcn.0040202a
mov dword [edi], 1
push esi
call fcn.0042ea16
pop ecx
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00423afa
mov esp, ebp
pop ebp
ret 0xc
lea ecx, [ebp - 0x11]
call fcn.0040e04e
push 0x44cc00
lea eax, [ebp - 0x11]
push eax
call fcn.00425e44
int3