joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4c33b0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
test eax, eax
jne 0x4c33bc
pop ebp
ret
mov dword [ebp + 0xc], eax
pop ebp
jmp fcn.004c33d0
Function at 0x4cdc50
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 0x4cdc6a
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 0x5555fc
push esi
call fcn.0051cca0
add esp, 8
test eax, eax
je 0x4cdcb2
test ebp, ebp
je 0x4cdca3
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 0x4cdcd8
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4cdcd8
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 0x4cdd8f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4cdcf5
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x58a360]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4cdd85
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4cdd85
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4cdd27
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 0x4cdd40
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 0x4cdd50
test ebp, ebp
je 0x4cdd7c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x58a364]
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 [0x58a364]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x4cdf40
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 0x4ce0bc
push edi
mov edi, dword [esp + 0xc]
test edi, edi
je 0x4ce0a7
push esi
cmp dword [edi + 4], 2
jne 0x4ce034
cmp dword [edi + 0x18], 0
je 0x4ce034
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4ce034
cmp eax, 0x10
jb 0x4ce034
push 0x20
call dword [0x58a360]
mov esi, eax
add esp, 4
test esi, esi
je 0x4ce09c
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 [0x58a360]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4ce08b
mov ecx, dword [edi + 0x18]
movups xmm0, xmmword [ecx]
movups xmmword [eax], xmm0
mov eax, dword [edi + 0x14]
test eax, eax
je 0x4ce026
push eax
call dword [0x58a36c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4ce071
test ebx, ebx
cmove ebx, esi
test ebp, ebp
je 0x4ce032
mov dword [ebp + 0x1c], esi
mov ebp, esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4cdf80
mov ebp, dword [esp + 0x14]
mov eax, dword [esp + 0x10]
pop esi
test eax, eax
je 0x4ce053
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebp, ebp
je 0x4ce0a3
push ebx
call fcn.004cdf00
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 [0x58a364]
push esi
call dword [0x58a364]
add esp, 8
jmp 0x4ce043
push esi
mov ebp, 8
call dword [0x58a364]
add esp, 4
jmp 0x4ce043
mov ebp, 8
jmp 0x4ce043
test ebx, ebx
jne 0x4ce0b3
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 0x4d24c0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x18
mov eax, dword [0x58a464]
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 0x4d2519
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.004c0590
add esp, 8
cmp edi, 0xffffffff
jne 0x4d254e
push str.Error_accept__ing_server_connect
push ebx
call fcn.004bfcf0
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.004f0482
add esp, 0x18
ret
push str.Connection_accepted_from_server_n
push ebx
call fcn.004bfdc0
push 1
mov byte [esi + 0x293], 0
push edi
mov dword [esi + 0x16c], edi
call fcn.004e2340
mov byte [esi + 0x179], 1
add esp, 0x10
mov eax, dword [ebx + 0x1d8]
test eax, eax
je 0x4d25b5
push 1
push edi
push dword [ebx + 0x1dc]
call eax
add esp, 0xc
test eax, eax
je 0x4d25b5
push esi
call fcn.004d2a30
add esp, 4
mov eax, 0x2a
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.004f0482
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.004f0482
add esp, 0x18
ret
Function at 0x4d7090
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x58a464]
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 0x4d70ce
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004bfcf0
add esp, 0xc
jmp 0x4d7109
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [esp + 4]
cmp al, 2
jne 0x4d70fb
shr eax, 8
test al, al
jne 0x4d70fb
xor eax, eax
pop esi
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.004f0482
add esp, 0x194
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004bfcf0
add esp, 8
mov ecx, dword [esp + 0x194]
mov eax, 2
pop esi
xor ecx, esp
call fcn.004f0482
add esp, 0x194
ret

Function at 0x4d79b0
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 0x4d79fc
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004bfcf0
add esp, 0xc
push dword [esp + 0x18]
push ebx
push str.SENT
push dword [esi]
call fcn.004d72b0
add esp, 0x10
pop edi
pop esi
pop ebx
ret
Function at 0x4d7ae0
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 0x4d7c39
push ebp
push edi
lea ebp, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], ebp
cmp ebp, edi
jae 0x4d7b19
mov byte [ebp], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4d7b24
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4d7b2f
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 0x4d7b62
mov al, byte [esp + 0x14]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4d7b70
mov al, byte [esp + 0x15]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4d7b7e
mov al, byte [esp + 0x1c]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4d7b8c
mov al, byte [esp + 0x1d]
mov byte [ecx], al
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4d7b97
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4d7ba2
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.004d73c0
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 0x4d7bf8
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004bfcf0
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push edi
call fcn.004d7a20
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 0x4d7c36
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004bfcf0
add esp, 0xc
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x14
ret
Function at 0x4d8b40
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x88
mov eax, dword [0x58a464]
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 0x4d8bc6
push dword [esp + 0x10]
lea eax, [esp + 0x18]
push eax
lea eax, [esi + 0xc8]
push eax
call fcn.004ad070
mov eax, dword [esp + 0x1c]
add esp, 0xc
mov dword [esi + 0x148], eax
mov edx, dword [esi + 0x14c]
cmp edx, 4
jge 0x4d8c01
push str.Received_too_short_packet
push edi
call fcn.004bfcf0
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.004f0482
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.0x4d8c22
jmp dword [ecx*4 + 0x4d8d2c]
cmp edx, 4
jle case.0x4d8c22.4
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.0x4d8c22.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi + 0x15c]
add eax, 4
push eax
push 1
push ebp
call fcn.004bfbd0
mov ebx, eax
add esp, 0x10
test ebx, ebx
je 0x4d8c86
push 5
push esi
call fcn.004d9480
add esp, 8
mov eax, ebx
jmp 0x4d8be8
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.004cbc50
jmp 0x4d8d01
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 0x550248
push edi
call fcn.004bfdc0
jmp 0x4d8d01
lea eax, [edx - 2]
push eax
mov eax, dword [esi + 0x15c]
add eax, 2
push eax
push esi
call fcn.004d88d0
add esp, 0xc
test eax, eax
je case.0x4d8c22.4
jmp 0x4d8be8
push str.Internal_error:_Unexpected_packet
push 0x550db4
push edi
call fcn.004bfcf0
add esp, 0xc
push ebp
call fcn.004cbeb0
add esp, 4
test eax, eax
je 0x4d8be6
push 5
push esi
call fcn.004d9480
add esp, 8
mov eax, 0x2a
jmp 0x4d8be8
Function at 0x4dfe60
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x58a464]
xor eax, esp
mov dword [esp + 0x104], eax
mov eax, dword [esp + 0x10c]
push eax
call fcn.0051d273
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x4dfec5
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x4dfec5
lea eax, [esp]
push eax
call dword [0x58a36c]
add esp, 4
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004f0482
add esp, 0x108
ret
mov ecx, dword [esp + 0x104]
xor eax, eax
xor ecx, esp
call fcn.004f0482
add esp, 0x108
ret
Function at 0x4e3980
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 0x4e39ab
mov ecx, dword [esi + 0xc]
test ecx, ecx
jne 0x4e399a
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 0x4e39e0
cmp dword [esi + 8], 0
jne 0x4e39ce
push 0x574594
push dword [eax + 8]
call fcn.0050dd98
add esp, 8
mov dword [esi + 8], eax
test eax, eax
jne 0x4e39ce
pop edi
or eax, 0xffffffff
pop esi
ret
push dword [esi + 8]
push dword [esp + 0x18]
push 1
push dword [esp + 0x1c]
call fcn.0051174e
mov edi, eax
add esp, 0x10
test edi, edi
jne 0x4e3a02
mov eax, dword [esi + 8]
test eax, eax
je 0x4e39fc
push eax
call fcn.0050de6c
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 0x4e7d00
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 0x4e7d10
sub esi, ecx
lea ebp, [esi + esi]
push ebp
call dword [0x58a360]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4e7d37
lea eax, [edi + 0x1b]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
xor ecx, ecx
test esi, esi
je 0x4e7d50
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 0x4e7d40
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 0x4e7dca
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 0x4e7dbe
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 [0x58a364]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
Function at 0x4e7df0
Capabilities:
Create new key via cryptacquirecontext
Encrypt data using des via winapi
Encrypt or decrypt via wincrypt

Disassembly:
sub esp, 0x24
mov eax, dword [0x58a464]
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 0x4e7e94
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.004e7f00
lea eax, [esp + 0x28]
push 8
push eax
call fcn.004ecd40
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 0x4e7ea7
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.004f0482
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.004f0482
add esp, 0x24
ret
Function at 0x4ed7e0
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 [0x58a360]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4ed807
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 0x4ed84f
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 0x4ed853
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 0x4ed8b5
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 0x4ed874
mov ebx, dword [esp + 0x10]
cmp ebx, dword [esi + 0x10]
jae 0x4ed8e7
nop word [eax + eax]
mov eax, dword [esi + 4]
push 1
push 0x55be58
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x55be59
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x4ed8c0
pop ebp
pop ebx
mov eax, edi
pop edi
pop esi
pop ecx
ret

Function at 0x4f4a99
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 0x5251c9
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00525048

Function at 0x52c009
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0052bcc9
Function at 0x4035ac
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ebx
xor ebx, ebx
imul edx, dword [ebx + 0x564008], 0x8088405
inc edx
mov dword [ebx + 0x564008], edx
mul edx
mov eax, edx
pop ebx
ret

Function at 0x41cf00
Capabilities:
Decompress data using aplib

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
push ebx
push esi
push edi
push ebp
mov esi, dword [ebp - 4]
mov edi, dword [ebp - 8]
cld
mov dl, 0x80
mov al, byte [esi]
add esi, 1
mov byte [edi], al
add edi, 1
mov ebx, 2
add dl, dl
jne 0x41cf31
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x41cf19
add dl, dl
jne 0x41cf3c
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x41cf8d
xor eax, eax
add dl, dl
jne 0x41cf49
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x41d02a
add dl, dl
jne 0x41cf58
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x41cf63
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x41cf6e
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x41cf79
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
je 0x41cf83
mov ebx, edi
sub ebx, eax
mov al, byte [ebx]
mov byte [edi], al
inc edi
mov ebx, 2
jmp 0x41cf28
mov eax, 1
add dl, dl
jne 0x41cf9b
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x41cfa6
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x41cf92
sub eax, ebx
mov ebx, 1
jne 0x41cfd9
mov ecx, 1
add dl, dl
jne 0x41cfbf
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0x41cfca
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x41cfb6
push esi
mov esi, edi
sub esi, ebp
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x41cf28
dec eax
shl eax, 8
mov al, byte [esi]
inc esi
mov ebp, eax
mov ecx, 1
add dl, dl
jne 0x41cff0
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0x41cffb
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x41cfe7
cmp eax, 0x7d00
sbb ecx, 0xffffffff
cmp eax, 0x500
sbb ecx, 0xffffffff
cmp eax, 0x80
adc ecx, 0
cmp eax, 0x80
adc ecx, 0
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x41cf28
mov al, byte [esi]
inc esi
xor ecx, ecx
shr al, 1
je 0x41d04b
adc ecx, 2
mov ebp, eax
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
mov ebx, 1
jmp 0x41cf28
pop ebp
sub edi, dword [ebp - 8]
mov dword [ebp - 0xc], edi
pop edi
pop esi
pop ebx
mov eax, dword [ebp - 0xc]
mov esp, ebp
pop ebp
ret
Function at 0x41f05c
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff0
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
mov ebx, edx
xor edx, edx
push ebp
push 0x54854a
push dword fs:[edx]
mov dword fs:[edx], esp
xor edx, edx
mov dword [ebp - 8], edx
mov esi, ebx
xor ecx, ecx
cmp byte [eax + 0x6a], 0
je 0x41f0ab
mov eax, ebx
xor edx, edx
push edx
push eax
mov eax, dword [esi + 0x3c]
cdq
add eax, dword [esp]
adc edx, dword [esp + 4]
add esp, 8
mov edx, dword [eax + 0x88]
test edx, edx
je 0x41f0ca
mov ecx, edx
add ecx, ebx
jmp 0x41f0ca
mov eax, ebx
xor edx, edx
push edx
push eax
mov eax, dword [esi + 0x3c]
cdq
add eax, dword [esp]
adc edx, dword [esp + 4]
add esp, 8
mov edx, dword [eax + 0x78]
test edx, edx
je 0x41f0ca
mov ecx, edx
add ecx, ebx
test ecx, ecx
je 0x41f13c
mov esi, dword [ecx + 0x18]
mov eax, dword [ecx + 0x1c]
add eax, ebx
mov dword [ebp - 0x10], eax
mov edi, dword [ecx + 0x20]
add edi, ebx
mov eax, dword [ecx + 0x24]
add eax, ebx
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 4]
cmp eax, 0xffff
jbe 0x41f125
test esi, esi
jbe 0x41f13c
mov eax, dword [edi]
add eax, ebx
mov edx, dword [ebp - 4]
call fcn.004088ec
test eax, eax
jne 0x41f117
mov eax, dword [ebp - 0xc]
movzx eax, word [eax]
shl eax, 2
add eax, dword [ebp - 0x10]
mov eax, dword [eax]
mov dword [ebp - 8], eax
jmp 0x41f13c
add dword [ebp - 0xc], 2
add edi, 4
dec esi
test esi, esi
ja 0x41f0f4
jmp 0x41f13c
mov edx, eax
sub edx, dword [ecx + 0x10]
cmp edx, dword [ecx + 0x14]
jae 0x41f13c
mov eax, edx
shl eax, 2
add eax, dword [ebp - 0x10]
mov eax, dword [eax]
mov dword [ebp - 8], eax
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x548551
ret