joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4cab00
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
test eax, eax
jne 0x4cab0c
pop ebp
ret
mov dword [ebp + 0xc], eax
pop ebp
jmp fcn.004cab20
Function at 0x4d53c0
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 0x4d53da
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 0x573874
push esi
call fcn.00536490
add esp, 8
test eax, eax
je 0x4d5422
test ebp, ebp
je 0x4d5413
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 0x4d5448
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4d5448
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 0x4d54ff
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4d5465
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x5aa360]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4d54f5
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4d54f5
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4d5497
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 0x4d54b0
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 0x4d54c0
test ebp, ebp
je 0x4d54ec
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x5aa364]
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 [0x5aa364]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x4d56b0
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 0x4d582c
push edi
mov edi, dword [esp + 0xc]
test edi, edi
je 0x4d5817
push esi
cmp dword [edi + 4], 2
jne 0x4d57a4
cmp dword [edi + 0x18], 0
je 0x4d57a4
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4d57a4
cmp eax, 0x10
jb 0x4d57a4
push 0x20
call dword [0x5aa360]
mov esi, eax
add esp, 4
test esi, esi
je 0x4d580c
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 [0x5aa360]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4d57fb
mov ecx, dword [edi + 0x18]
movups xmm0, xmmword [ecx]
movups xmmword [eax], xmm0
mov eax, dword [edi + 0x14]
test eax, eax
je 0x4d5796
push eax
call dword [0x5aa36c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4d57e1
test ebx, ebx
cmove ebx, esi
test ebp, ebp
je 0x4d57a2
mov dword [ebp + 0x1c], esi
mov ebp, esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4d56f0
mov ebp, dword [esp + 0x14]
mov eax, dword [esp + 0x10]
pop esi
test eax, eax
je 0x4d57c3
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebp, ebp
je 0x4d5813
push ebx
call fcn.004d5670
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 [0x5aa364]
push esi
call dword [0x5aa364]
add esp, 8
jmp 0x4d57b3
push esi
mov ebp, 8
call dword [0x5aa364]
add esp, 4
jmp 0x4d57b3
mov ebp, 8
jmp 0x4d57b3
test ebx, ebx
jne 0x4d5823
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 0x4d9bb0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x18
mov eax, dword [0x5aa464]
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 0x4d9c09
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.004c7ce0
add esp, 8
cmp edi, 0xffffffff
jne 0x4d9c3e
push str.Error_accept__ing_server_connect
push ebx
call fcn.004c7440
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.00509b84
add esp, 0x18
ret
push str.Connection_accepted_from_server_n
push ebx
call fcn.004c7510
push 1
mov byte [esi + 0x293], 0
push edi
mov dword [esi + 0x16c], edi
call fcn.004e9ac0
mov byte [esi + 0x179], 1
add esp, 0x10
mov eax, dword [ebx + 0x1d8]
test eax, eax
je 0x4d9ca5
push 1
push edi
push dword [ebx + 0x1dc]
call eax
add esp, 0xc
test eax, eax
je 0x4d9ca5
push esi
call fcn.004da120
add esp, 4
mov eax, 0x2a
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.00509b84
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.00509b84
add esp, 0x18
ret
Function at 0x4de780
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x5aa464]
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 0x4de7be
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004c7440
add esp, 0xc
jmp 0x4de7f9
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [esp + 4]
cmp al, 2
jne 0x4de7eb
shr eax, 8
test al, al
jne 0x4de7eb
xor eax, eax
pop esi
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.00509b84
add esp, 0x194
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004c7440
add esp, 8
mov ecx, dword [esp + 0x194]
mov eax, 2
pop esi
xor ecx, esp
call fcn.00509b84
add esp, 0x194
ret

Function at 0x4df0a0
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 0x4df0ec
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004c7440
add esp, 0xc
push dword [esp + 0x18]
push ebx
push str.SENT
push dword [esi]
call fcn.004de9a0
add esp, 0x10
pop edi
pop esi
pop ebx
ret
Function at 0x4df1d0
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 0x4df329
push ebp
push edi
lea ebp, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], ebp
cmp ebp, edi
jae 0x4df209
mov byte [ebp], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4df214
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4df21f
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 0x4df252
mov al, byte [esp + 0x14]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4df260
mov al, byte [esp + 0x15]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4df26e
mov al, byte [esp + 0x1c]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4df27c
mov al, byte [esp + 0x1d]
mov byte [ecx], al
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4df287
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4df292
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.004deab0
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 0x4df2e8
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004c7440
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push edi
call fcn.004df110
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 0x4df326
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004c7440
add esp, 0xc
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x14
ret
Function at 0x4e0230
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x88
mov eax, dword [0x5aa464]
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 0x4e02b6
push dword [esp + 0x10]
lea eax, [esp + 0x18]
push eax
lea eax, [esi + 0xc8]
push eax
call fcn.004b47e0
mov eax, dword [esp + 0x1c]
add esp, 0xc
mov dword [esi + 0x148], eax
mov edx, dword [esi + 0x14c]
cmp edx, 4
jge 0x4e02f1
push str.Received_too_short_packet
push edi
call fcn.004c7440
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.00509b84
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.0x4e0312
jmp dword [ecx*4 + 0x4e041c]
cmp edx, 4
jle case.0x4e0312.4
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.0x4e0312.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi + 0x15c]
add eax, 4
push eax
push 1
push ebp
call fcn.004c7320
mov ebx, eax
add esp, 0x10
test ebx, ebx
je 0x4e0376
push 5
push esi
call fcn.004e0b70
add esp, 8
mov eax, ebx
jmp 0x4e02d8
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.004d33c0
jmp 0x4e03f1
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 0x56e4c0
push edi
call fcn.004c7510
jmp 0x4e03f1
lea eax, [edx - 2]
push eax
mov eax, dword [esi + 0x15c]
add eax, 2
push eax
push esi
call fcn.004dffc0
add esp, 0xc
test eax, eax
je case.0x4e0312.4
jmp 0x4e02d8
push str.Internal_error:_Unexpected_packet
push 0x56f02c
push edi
call fcn.004c7440
add esp, 0xc
push ebp
call fcn.004d3620
add esp, 4
test eax, eax
je 0x4e02d6
push 5
push esi
call fcn.004e0b70
add esp, 8
mov eax, 0x2a
jmp 0x4e02d8
Function at 0x4e75e0
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x5aa464]
xor eax, esp
mov dword [esp + 0x104], eax
mov eax, dword [esp + 0x10c]
push eax
call fcn.00536a63
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x4e7645
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x4e7645
lea eax, [esp]
push eax
call dword [0x5aa36c]
add esp, 4
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.00509b84
add esp, 0x108
ret
mov ecx, dword [esp + 0x104]
xor eax, eax
xor ecx, esp
call fcn.00509b84
add esp, 0x108
ret
Function at 0x4eb100
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 0x4eb12b
mov ecx, dword [esi + 0xc]
test ecx, ecx
jne 0x4eb11a
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 0x4eb160
cmp dword [esi + 8], 0
jne 0x4eb14e
push 0x591f7c
push dword [eax + 8]
call fcn.0052753e
add esp, 8
mov dword [esi + 8], eax
test eax, eax
jne 0x4eb14e
pop edi
or eax, 0xffffffff
pop esi
ret
push dword [esi + 8]
push dword [esp + 0x18]
push 1
push dword [esp + 0x1c]
call fcn.0052af0f
mov edi, eax
add esp, 0x10
test edi, edi
jne 0x4eb182
mov eax, dword [esi + 8]
test eax, eax
je 0x4eb17c
push eax
call fcn.00527612
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 0x4ef470
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 0x4ef480
sub esi, ecx
lea ebp, [esi + esi]
push ebp
call dword [0x5aa360]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4ef4a7
lea eax, [edi + 0x1b]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
xor ecx, ecx
test esi, esi
je 0x4ef4c0
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 0x4ef4b0
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 0x4ef53a
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 0x4ef52e
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 [0x5aa364]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
Function at 0x4ef560
Capabilities:
Create new key via cryptacquirecontext

Disassembly:
sub esp, 0x24
mov eax, dword [0x5aa464]
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 0x4ef604
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.004ef670
lea eax, [esp + 0x28]
push 8
push eax
call fcn.004f44d0
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 0x4ef617
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.00509b84
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.00509b84
add esp, 0x24
ret
Function at 0x4f4f70
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 [0x5aa360]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4f4f97
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 0x4f4fdf
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 0x4f4fe3
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 0x4f5045
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 0x4f5004
mov ebx, dword [esp + 0x10]
cmp ebx, dword [esi + 0x10]
jae 0x4f5077
nop word [eax + eax]
mov eax, dword [esi + 4]
push 1
push 0x57a0c8
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x57a0c9
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x4f5050
pop ebp
pop ebx
mov eax, edi
pop edi
pop esi
pop ecx
ret

Function at 0x50e1f7
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 0x540beb
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00540a6a

Function at 0x547a09
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.005476c9
Function at 0x3ad7258d
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x3ad7a064]
jne 0x3ad72597
repz ret
jmp fcn.3ad73d0c

Function at 0x3ad76a41
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x30
pushal
call 0x3ad76a50
pop dword [ebp - 0x20]
mov eax, 0x9d8af5f0
add eax, 0x9d4c7460
sub dword [ebp - 0x20], eax
push 0x40
push 0x1000
push 0x3b7c0
push 0
mov eax, 0x66b18c5f
add eax, 0xd4258455
add eax, dword [ebp - 0x20]
call dword [eax]
mov ecx, 0xf4bd71e4
add ecx, 0xb42e5b0
mov esi, eax
mov edi, 0xb106aae6
add edi, 0x89d1931a
add edi, dword [ebp - 0x20]
mov edx, 0xa4dae988
xor dword [ebp - 4], edi
mov ebx, dword [edi]
add dword [ebp - 0x1c], 0x9d9465fc
add ebx, edx
mov dword [ebp - 0x1c], 0xadc05051
mov dword [esi], ebx
add esi, 0xc25a7e19
sub esi, 0xc25a7e15
add edi, 0xa7794799
sub edi, 0xa7794795
loop 0x3ad76aa9
add eax, 0xc58c1e77
sub eax, 0xc58acd54
xor ebx, ebx
add ebx, eax
add eax, 5
mov ecx, 0xa59cee20
add ecx, 0x953a11e0
add ecx, dword [ebp - 0x20]
call ebx
leave
ret
Function at 0x402790
Capabilities:
Terminate process

Disassembly:
test eax, eax
je 0x40279e
call dword [0x4b5014]
or eax, eax
je 0x40279f
ret
mov al, 1
jmp fcn.0040281c

Function at 0x4027a8
Capabilities:
Terminate process

Disassembly:
test eax, eax
je 0x4027b6
call dword [0x4b5018]
or eax, eax
jne 0x4027b7
ret
mov al, 2
jmp fcn.0040281c

Function at 0x4027c0
Capabilities:
Terminate process

Disassembly:
mov ecx, dword [eax]
test ecx, ecx
je 0x4027f8
test edx, edx
je 0x4027e2
push eax
mov eax, ecx
call dword [0x4b501c]
pop ecx
or eax, eax
je 0x4027f1
mov dword [ecx], eax
ret
mov al, 2
jmp fcn.0040281c
mov dword [eax], edx
mov eax, ecx
call dword [0x4b5018]
or eax, eax
jne 0x4027db
ret
mov al, 1
jmp fcn.0040281c
test edx, edx
je 0x40280c
push eax
mov eax, edx
call dword [0x4b5014]
pop ecx
or eax, eax
je 0x4027f1
mov dword [ecx], eax
ret

Function at 0x40281c
Capabilities:
Terminate process

Disassembly:
and eax, 0x7f
mov ecx, dword [0x4b8004]
test ecx, ecx
je 0x40282c
pop edx
call ecx
dec eax
mov al, byte [eax + 0x402845]
jns 0x402840
call fcn.00406b6c
mov eax, dword [eax + 4]
jmp fcn.00403b9c

Function at 0x4029a4
Capabilities:
Accept command line arguments

Disassembly:
push ebx
push esi
push edi
add esp, 0xfffffef8
mov esi, edx
mov ebx, eax
test ebx, ebx
jne 0x4029d3
push 0x105
lea eax, [esp + 4]
push eax
push 0
call sub.kernel32.dll_GetModuleFileNameA
mov ecx, eax
mov edx, esp
mov eax, esi
call fcn.00403c8c
jmp 0x4029f1
call sub.kernel32.dll_GetCommandLineA
mov edi, eax
mov edx, esi
mov eax, edi
call fcn.0040292c
mov edi, eax
test ebx, ebx
je 0x4029f1
cmp dword [esi], 0
je 0x4029f1
dec ebx
jmp 0x4029da
add esp, 0x108
pop edi
pop esi
pop ebx
ret

Function at 0x402e2c
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
movzx eax, word [section.DATA]
mov dword [ebp - 8], eax
lea eax, [ebp - 4]
push eax
push 1
push 0
push 0x402ec4
push 0x80000002
call sub.advapi32.dll_RegOpenKeyExA
test eax, eax
jne 0x402ea4
xor eax, eax
push ebp
push 0x402e9d
push dword fs:[eax]
mov dword fs:[eax], esp
mov dword [ebp - 0xc], 4
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 8]
push eax
push 0
push 0
push 0x402ee0
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegQueryValueExA
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x402ea4
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegCloseKey
ret
mov ax, word [section.DATA]
and ax, 0xffc0
mov dx, word [ebp - 8]
and dx, 0x3f
or ax, dx
mov word [section.DATA], ax
mov esp, ebp
pop ebp
ret

Function at 0x403144
Capabilities:
Terminate process

Disassembly:
test eax, eax
je 0x40315e
mov ecx, eax
mov ecx, dword [ecx]
cmp ecx, edx
je 0x40315e
mov ecx, dword [ecx - 0x24]
test ecx, ecx
jne 0x40314a
mov al, 0xa
jmp fcn.0040281c
ret

Function at 0x403190
Capabilities:
Terminate process

Disassembly:
cmp dword [0x4b8018], 0
je 0x402a57
call dword [0x4b8018]
mov eax, 0xd2
jmp fcn.00403b9c
push eax
push ecx
mov eax, dword [eax]
call fcn.00403160
pop ecx
pop eax
je 0x40319f
jmp ebx
pop ecx
jmp 0x402a48