joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4b2a90
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
test eax, eax
jne 0x4b2a9c
pop ebp
ret
mov dword [ebp + 0xc], eax
pop ebp
jmp fcn.004b2ab0
Function at 0x4be820
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 0x4be83a
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 0x54587c
push esi
call fcn.0050bbe0
add esp, 8
test eax, eax
je 0x4be882
test ebp, ebp
je 0x4be873
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 0x4be8a8
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4be8a8
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 0x4be95f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4be8c5
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x575360]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4be955
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4be955
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4be8f7
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 0x4be910
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 0x4be920
test ebp, ebp
je 0x4be94c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x575364]
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 [0x575364]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x4beb10
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 0x4bec8c
push edi
mov edi, dword [esp + 0xc]
test edi, edi
je 0x4bec77
push esi
cmp dword [edi + 4], 2
jne 0x4bec04
cmp dword [edi + 0x18], 0
je 0x4bec04
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4bec04
cmp eax, 0x10
jb 0x4bec04
push 0x20
call dword [0x575360]
mov esi, eax
add esp, 4
test esi, esi
je 0x4bec6c
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 [0x575360]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4bec5b
mov ecx, dword [edi + 0x18]
movups xmm0, xmmword [ecx]
movups xmmword [eax], xmm0
mov eax, dword [edi + 0x14]
test eax, eax
je 0x4bebf6
push eax
call dword [0x57536c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4bec41
test ebx, ebx
cmove ebx, esi
test ebp, ebp
je 0x4bec02
mov dword [ebp + 0x1c], esi
mov ebp, esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4beb50
mov ebp, dword [esp + 0x14]
mov eax, dword [esp + 0x10]
pop esi
test eax, eax
je 0x4bec23
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebp, ebp
je 0x4bec73
push ebx
call fcn.004bead0
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 [0x575364]
push esi
call dword [0x575364]
add esp, 8
jmp 0x4bec13
push esi
mov ebp, 8
call dword [0x575364]
add esp, 4
jmp 0x4bec13
mov ebp, 8
jmp 0x4bec13
test ebx, ebx
jne 0x4bec83
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 0x4c3090
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x18
mov eax, dword [0x575464]
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 0x4c30e9
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.004b1130
add esp, 8
cmp edi, 0xffffffff
jne 0x4c311e
push str.Error_accept__ing_server_connect
push ebx
call fcn.004b0890
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.004e1010
add esp, 0x18
ret
push str.Connection_accepted_from_server_n
push ebx
call fcn.004b0960
push 1
mov byte [esi + 0x293], 0
push edi
mov dword [esi + 0x16c], edi
call fcn.004d2ef0
mov byte [esi + 0x179], 1
add esp, 0x10
mov eax, dword [ebx + 0x1d8]
test eax, eax
je 0x4c3185
push 1
push edi
push dword [ebx + 0x1dc]
call eax
add esp, 0xc
test eax, eax
je 0x4c3185
push esi
call fcn.004c3600
add esp, 4
mov eax, 0x2a
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.004e1010
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.004e1010
add esp, 0x18
ret
Function at 0x4c7c60
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x575464]
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 0x4c7c9e
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004b0890
add esp, 0xc
jmp 0x4c7cd9
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [esp + 4]
cmp al, 2
jne 0x4c7ccb
shr eax, 8
test al, al
jne 0x4c7ccb
xor eax, eax
pop esi
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.004e1010
add esp, 0x194
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004b0890
add esp, 8
mov ecx, dword [esp + 0x194]
mov eax, 2
pop esi
xor ecx, esp
call fcn.004e1010
add esp, 0x194
ret

Function at 0x4c8580
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 0x4c85cc
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004b0890
add esp, 0xc
push dword [esp + 0x18]
push ebx
push str.SENT
push dword [esi]
call fcn.004c7e80
add esp, 0x10
pop edi
pop esi
pop ebx
ret
Function at 0x4c86b0
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 0x4c8809
push ebp
push edi
lea ebp, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], ebp
cmp ebp, edi
jae 0x4c86e9
mov byte [ebp], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c86f4
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c86ff
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 0x4c8732
mov al, byte [esp + 0x14]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4c8740
mov al, byte [esp + 0x15]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4c874e
mov al, byte [esp + 0x1c]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4c875c
mov al, byte [esp + 0x1d]
mov byte [ecx], al
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c8767
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c8772
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.004c7f90
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 0x4c87c8
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004b0890
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push edi
call fcn.004c85f0
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 0x4c8806
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004b0890
add esp, 0xc
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x14
ret
Function at 0x4c9710
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x88
mov eax, dword [0x575464]
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 0x4c9796
push dword [esp + 0x10]
lea eax, [esp + 0x18]
push eax
lea eax, [esi + 0xc8]
push eax
call fcn.0049ddb0
mov eax, dword [esp + 0x1c]
add esp, 0xc
mov dword [esi + 0x148], eax
mov edx, dword [esi + 0x14c]
cmp edx, 4
jge 0x4c97d1
push str.Received_too_short_packet
push edi
call fcn.004b0890
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.004e1010
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.0x4c97f2
jmp dword [ecx*4 + 0x4c98fc]
cmp edx, 4
jle case.0x4c97f2.4
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.0x4c97f2.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi + 0x15c]
add eax, 4
push eax
push 1
push ebp
call fcn.004b0770
mov ebx, eax
add esp, 0x10
test ebx, ebx
je 0x4c9856
push 5
push esi
call fcn.004ca050
add esp, 8
mov eax, ebx
jmp 0x4c97b8
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.004bc820
jmp 0x4c98d1
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 0x5404c0
push edi
call fcn.004b0960
jmp 0x4c98d1
lea eax, [edx - 2]
push eax
mov eax, dword [esi + 0x15c]
add eax, 2
push eax
push esi
call fcn.004c94a0
add esp, 0xc
test eax, eax
je case.0x4c97f2.4
jmp 0x4c97b8
push str.Internal_error:_Unexpected_packet
push 0x541038
push edi
call fcn.004b0890
add esp, 0xc
push ebp
call fcn.004bca80
add esp, 4
test eax, eax
je 0x4c97b6
push 5
push esi
call fcn.004ca050
add esp, 8
mov eax, 0x2a
jmp 0x4c97b8
Function at 0x4d0a10
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x575464]
xor eax, esp
mov dword [esp + 0x104], eax
mov eax, dword [esp + 0x10c]
push eax
call fcn.0050cbd6
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x4d0a75
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x4d0a75
lea eax, [esp]
push eax
call dword [0x57536c]
add esp, 4
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004e1010
add esp, 0x108
ret
mov ecx, dword [esp + 0x104]
xor eax, eax
xor ecx, esp
call fcn.004e1010
add esp, 0x108
ret
Function at 0x4d4520
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 0x4d454b
mov ecx, dword [esi + 0xc]
test ecx, ecx
jne 0x4d453a
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 0x4d4580
cmp dword [esi + 8], 0
jne 0x4d456e
push 0x561780
push dword [eax + 8]
call fcn.0050ad64
add esp, 8
mov dword [esi + 8], eax
test eax, eax
jne 0x4d456e
pop edi
or eax, 0xffffffff
pop esi
ret
push dword [esi + 8]
push dword [esp + 0x18]
push 1
push dword [esp + 0x1c]
call fcn.0050b566
mov edi, eax
add esp, 0x10
test edi, edi
jne 0x4d45a2
mov eax, dword [esi + 8]
test eax, eax
je 0x4d459c
push eax
call fcn.00509dcc
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 0x4d8890
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 0x4d88a0
sub esi, ecx
lea ebp, [esi + esi]
push ebp
call dword [0x575360]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4d88c7
lea eax, [edi + 0x1b]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
xor ecx, ecx
test esi, esi
je 0x4d88e0
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 0x4d88d0
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 0x4d895a
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 0x4d894e
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 [0x575364]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
Function at 0x4d8980
Capabilities:
Create new key via cryptacquirecontext

Disassembly:
sub esp, 0x24
mov eax, dword [0x575464]
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 0x4d8a24
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.004d8a90
lea eax, [esp + 0x28]
push 8
push eax
call fcn.004dd900
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 0x4d8a37
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.004e1010
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.004e1010
add esp, 0x24
ret
Function at 0x4de3a0
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 [0x575360]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4de3c7
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 0x4de40f
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 0x4de413
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 0x4de475
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 0x4de434
mov ebx, dword [esp + 0x10]
cmp ebx, dword [esi + 0x10]
jae 0x4de4a7
nop word [eax + eax]
mov eax, dword [esi + 4]
push 1
push 0x54c0c8
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x54c0c9
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x4de480
pop ebp
pop ebx
mov eax, edi
pop edi
pop esi
pop ecx
ret

Function at 0x4e579d
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 0x516c1d
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00516a9c

Function at 0x51a7c4
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0051a484
Function at 0x4014f8
Capabilities:
Accept command line arguments
Query environment variable

Disassembly:
jmp 0x40150a
mov eax, dword [0x4f909f]
shl eax, 2
mov dword [0x4f90a3], eax
push edx
push 0
call sub.KERNEL32.DLL_GetModuleHandleA
mov edx, eax
call fcn.004ea488
pop edx
call fcn.004ea088
call fcn.004ea9a4
push 0
call fcn.004ebc9c
pop ecx
push 0x4f9048
push 0
call sub.KERNEL32.DLL_GetModuleHandleA
mov dword [0x4f90a7], eax
push 0
jmp fcn.004f4ca4

Function at 0x402480
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ebx
xor ebx, ebx
imul edx, dword [ebx + 0x409008], 0x8088405
inc edx
mov dword [ebx + 0x409008], edx
mul edx
mov eax, edx
pop ebx
ret

Function at 0x406e80
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
mov esi, eax
mov eax, dword [0x409214]
mov dword [eax], ecx
mov ebx, edx
test ebx, ebx
jle 0x406ea1
mov eax, 0xff
call fcn.00402480
xor byte [esi], al
inc esi
dec ebx
jne 0x406e91
pop esi
pop ebx
ret

Function at 0x425650
Capabilities:
Resume thread

Disassembly:
push ebp
mov ebp, esp
push 0
push 0
push ebx
mov ebx, eax
xor eax, eax
push ebp
push 0x4256ee
push dword fs:[eax]
mov dword fs:[eax], esp
or dl, byte [ebx + 0xc]
je 0x4256b2
cmp byte [ebx + 0x10], 0
jne 0x4256b2
cmp byte [ebx + 0x3c], 0
jne 0x4256b2
mov byte [ebx + 0xe], 0
mov byte [ebx + 0xc], 0
mov eax, dword [ebx + 4]
push eax
call sub.KERNEL32.DLL_ResumeThread
cmp eax, 1
je 0x4256d3
lea edx, [ebp - 4]
mov eax, dword [0x504654]
call fcn.00453de8
mov ecx, dword [ebp - 4]
mov dl, 1
mov eax, dword [0x416230]
call fcn.0043bc60
call fcn.0044facc
jmp 0x4256d3
lea edx, [ebp - 8]
mov eax, dword [0x504654]
call fcn.00453de8
mov ecx, dword [ebp - 8]
mov dl, 1
mov eax, dword [0x416230]
call fcn.0043bc60
call fcn.0044facc
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4256f5
lea eax, [ebp - 8]
mov edx, 2
call fcn.00450b90
ret

Function at 0x425f6c
Capabilities:
Suspend thread

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff8
push ebx
push esi
push edi
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
movzx eax, byte [eax + 0xe]
mov byte [ebp - 5], al
xor eax, eax
push ebp
push 0x425fba
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp - 4]
mov byte [eax + 0xe], 1
mov eax, dword [ebp - 4]
mov eax, dword [eax + 4]
push eax
call sub.KERNEL32.DLL_SuspendThread
test eax, eax
setge dl
mov eax, dword [ebp - 4]
call fcn.004255d4
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
jmp 0x425fd3
pop edi
pop esi
pop ebx
pop ecx
pop ecx
pop ebp
ret

Function at 0x425fdc
Capabilities:
Resume thread

Disassembly:
push ebx
push esi
mov ebx, eax
mov eax, dword [ebx + 4]
push eax
call sub.KERNEL32.DLL_ResumeThread
mov esi, eax
test esi, esi
setge dl
mov eax, ebx
call fcn.004255d4
dec esi
jne 0x425ffe
mov byte [ebx + 0xe], 0
pop esi
pop ebx
ret
Function at 0x427818
Capabilities:
Allocate or change rwx memory

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, 0x504e58
cmp dword [edi], 0
jne 0x427894
push 0x40
push 0x1000
push 0x1000
push 0
call sub.KERNEL32.DLL_VirtualAlloc
mov esi, eax
mov eax, dword [0x504e54]
mov dword [esi], eax
lea edx, [esi + 4]
mov eax, 0x4fc060
mov ecx, 2
call fcn.0044e578
mov edx, 0x4277f0
lea eax, [esi + 5]
call fcn.00427810
mov dword [esi + 6], eax
lea ebx, [esi + 0xa]
mov byte [ebx], 0xe8
lea edx, [esi + 4]
mov eax, ebx
call fcn.00427810
mov dword [ebx + 1], eax
mov eax, dword [edi]
mov dword [ebx + 5], eax
mov dword [edi], ebx
add ebx, 0xd
mov eax, ebx
sub eax, esi
cmp eax, 0xffc
jl 0x427869
mov dword [0x504e54], esi
mov eax, dword [edi]
mov ebx, dword [edi]
mov edx, dword [ebx + 5]
mov dword [edi], edx
mov edx, dword [ebp + 8]
mov dword [ebx + 5], edx
mov edx, dword [ebp + 0xc]
mov dword [ebx + 9], edx
pop edi
pop esi
pop ebx
pop ebp
ret 8