joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4afc20
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x5e2008]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
lea eax, [ebp - 0x194]
push eax
push 2
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x4afc6d
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.0048dd60
add esp, 0xc
mov eax, 2
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042c42d
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x4afc95
shr eax, 8
test al, al
jne 0x4afc95
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042c42d
mov esp, ebp
pop ebp
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.0048dd60
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 2
pop esi
call fcn.0042c42d
mov esp, ebp
pop ebp
ret

Function at 0x4b04e0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0x10]
push ebx
mov ebx, dword [ebp + 0xc]
push esi
mov esi, dword [ebp + 8]
push edi
push 0
mov byte [ebp + 0xa], al
lea eax, [ebp + 8]
mov edi, dword [esi]
push 3
push eax
push dword [esi + 0x1a8]
mov byte [ebp + 8], 0xff
mov byte [ebp + 9], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4b0528
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.0048dd60
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push dword [esi]
call fcn.004afdb0
add esp, 0x10
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x4b0650
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
cmp dword [ebp + 0xc], 0x1f
mov eax, dword [ebp + 8]
push ebx
mov eax, dword [eax]
mov dword [ebp - 4], eax
mov ebx, dword [eax + 0x154]
jne 0x4b07a6
push edi
lea eax, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], eax
cmp eax, edi
jae 0x4b0687
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b0692
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b069d
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 [ebp - 0xc], ax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov ecx, dword [edi]
mov word [ebp - 0x14], ax
cmp ecx, edi
jae 0x4b06cd
mov al, byte [ebp - 0xc]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4b06da
mov al, byte [ebp - 0xb]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4b06e7
mov al, byte [ebp - 0x14]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4b06f4
mov al, byte [ebp - 0x13]
mov byte [ecx], al
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b06ff
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b070a
mov byte [eax], 0xf0
inc dword [edi]
mov eax, dword [edi]
lea esi, [ebx + 0x1cb0]
mov dword [ebx + 0x1eb4], eax
sub eax, esi
sub eax, 2
mov dword [edi], esi
mov edi, dword [ebp - 4]
push eax
lea eax, [ebx + 0x1cb2]
push eax
push 0x3e
push edi
call fcn.004afec0
add esp, 0x10
push 0
push 3
push esi
mov esi, dword [ebp + 8]
push dword [esi + 0x1a8]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4b0762
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.0048dd60
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push esi
call fcn.004b0540
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [esi + 0x1a8]
call dword [sym.imp.WS2_32.dll_send]
pop esi
test eax, eax
jns 0x4b07a5
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.0048dd60
add esp, 0xc
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4b0900
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x5e2008]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
lea eax, [ebp - 0x104]
push 0x80
push 0
push eax
mov dword [ebp - 0x90c], edi
call fcn.0044ea80
push 0x80
lea eax, [ebp - 0x84]
push 0
push eax
call fcn.0044ea80
mov ebx, dword [edi]
mov dword [ebp - 0x908], ebx
mov esi, dword [ebx + 0x154]
mov eax, dword [esi + 0x1eb4]
sub eax, dword [esi + 0x1eb0]
add eax, 2
push eax
lea eax, [esi + 0x1cb0]
push eax
push 0x3c
push ebx
call fcn.004afec0
mov eax, dword [esi + 0x1eb0]
add esp, 0x28
movzx ecx, byte [eax]
inc eax
mov dword [esi + 0x1eb0], eax
cmp ecx, 0x18
je 0x4b0ae8
cmp ecx, 0x23
je 0x4b0ac2
cmp ecx, 0x27
jne 0x4b0b76
push 0
push ecx
push 0xfa
push 0xff
push str._c_c_c_c
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.004912a0
mov esi, dword [esi + 0x1cac]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x4b0a61
nop
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b09e7
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x4b0a4f
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.0042ed80
add esp, 0x10
test eax, eax
je 0x4b0a4f
lea eax, [ebp - 0x84]
push eax
push 1
lea eax, [ebp - 0x104]
push eax
push 0
mov eax, 0x800
sub eax, edi
push str._c_s_c_s
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.004912a0
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x4b09e0
mov ebx, dword [ebp - 0x908]
mov eax, 0x800
push 0xf0
push 0xff
sub eax, edi
push str._c_c
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.004912a0
add esp, 0x14
lea eax, [edi + 2]
push 0
push eax
lea eax, [ebp - 0x904]
push eax
mov eax, dword [ebp - 0x90c]
push dword [eax + 0x1a8]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4b0abc
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.0048dd60
add esp, 0xc
push edi
jmp 0x4b0b64
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b0ad0
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x4b0b09
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b0af3
push 0xf0
push 0xff
push edx
push 0
push 0x18
push 0xfa
push 0xff
push str._c_c_c_c_s_c_c
sub ecx, esi
lea eax, [ebp - 0x904]
push 0x800
push eax
lea esi, [ecx + 6]
call fcn.004912a0
add esp, 0x28
lea eax, [ebp - 0x904]
push 0
push esi
push eax
push dword [edi + 0x1a8]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4b0b60
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.0048dd60
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.004afec0
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0042c42d
mov esp, ebp
pop ebp
ret
Function at 0x4b1870
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90
mov eax, dword [0x5e2008]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
mov edi, dword [eax + 0x388]
mov ebx, dword [eax]
lea esi, [edi + 0x15c]
mov dword [ebp - 0x90], eax
lea eax, [ebp - 0x88]
push eax
mov dword [ebp - 0x88], 0x80
lea eax, [ebp - 0x84]
push eax
mov eax, dword [edi + 0x154]
push 0
add eax, 4
push eax
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [edi + 0x148], 0
mov dword [edi + 0x14c], eax
jne 0x4b1903
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [edi + 0xc8]
push eax
call fcn.0044db40
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [edi + 0x148], eax
mov edx, dword [edi + 0x14c]
cmp edx, 4
jge 0x4b1936
push str.Received_too_short_packet
push ebx
call fcn.0048dd60
add esp, 8
mov dword [edi + 0xc], 7
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042c42d
mov esp, ebp
pop ebp
ret
push esi
call fcn.004b1470
movzx eax, ax
add esp, 4
mov dword [edi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x4b1951
jmp dword [eax*4 + 0x4b1a98]
cmp edx, 4
jle case.0x4b1951.4
push esi
call fcn.004b1450
movzx ecx, word [edi + 0x40]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x4b1951.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi]
add eax, 4
push eax
push 1
push dword [ebp - 0x90]
call fcn.0048dcb0
mov esi, eax
add esp, 0x10
test esi, esi
je 0x4b19b6
push 5
push edi
call fcn.004b22b0
add esp, 8
mov eax, esi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042c42d
mov esp, ebp
pop ebp
ret
mov eax, dword [edi + 0x14c]
sub eax, 4
cdq
add dword [ebx + 0xa0], eax
adc dword [ebx + 0xa4], edx
push dword [ebx + 0xa4]
push dword [ebx + 0xa0]
push ebx
call fcn.0049a270
jmp 0x4b1a5e
mov eax, dword [esi]
lea esi, [edx - 4]
add eax, 4
mov dword [ebp - 0x8c], eax
lea eax, [edi + 0x15c]
push eax
call fcn.004b1450
push esi
push dword [ebp - 0x8c]
movzx eax, ax
mov dword [edi + 8], eax
call fcn.004b1420
add esp, 0xc
cmp eax, esi
jae case.0x4b1951.4
push dword [ebp - 0x8c]
push str.TFTP_error:__s_n
push ebx
call fcn.0048de40
jmp 0x4b1a5e
lea eax, [edx - 2]
push eax
mov eax, dword [esi]
add eax, 2
push eax
push edi
call fcn.004b1620
add esp, 0xc
test eax, eax
je case.0x4b1951.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042c42d
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x5838a4
push ebx
call fcn.0048dd60
add esp, 0xc
push dword [ebp - 0x90]
call fcn.0049a540
add esp, 4
test eax, eax
je 0x4b1923
push 5
push edi
call fcn.004b22b0
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.0042c42d
mov esp, ebp
pop ebp
ret
Function at 0x4b22b0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 8]
mov eax, dword [ecx + 0x10]
mov edx, dword [ecx]
mov eax, dword [eax]
cmp edx, 3
ja case.default.0x4b22c2
jmp dword [edx*4 + 0x4b2318]
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004b1d70
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004b1ab0
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004b24c0
push str.TFTP_finished
push 0x58eb38
push eax
call fcn.0048de40
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x5838a4
push eax
call fcn.0048dd60
add esp, 0xc
mov eax, 0x47
pop ebp
ret

Function at 0x4b22c9
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 8]
mov eax, dword [ecx + 0x10]
mov edx, dword [ecx]
mov eax, dword [eax]
cmp edx, 3
ja case.default.0x4b22c2
jmp dword [edx*4 + 0x4b2318]
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004b1d70
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004b1ab0
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004b24c0
push str.TFTP_finished
push 0x58eb38
push eax
call fcn.0048de40
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x5838a4
push eax
call fcn.0048dd60
add esp, 0xc
mov eax, 0x47
pop ebp
ret

Function at 0x4b22d2
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 8]
mov eax, dword [ecx + 0x10]
mov edx, dword [ecx]
mov eax, dword [eax]
cmp edx, 3
ja case.default.0x4b22c2
jmp dword [edx*4 + 0x4b2318]
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004b1d70
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004b1ab0
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004b24c0
push str.TFTP_finished
push 0x58eb38
push eax
call fcn.0048de40
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x5838a4
push eax
call fcn.0048dd60
add esp, 0xc
mov eax, 0x47
pop ebp
ret

Function at 0x4b22db
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 8]
mov eax, dword [ecx + 0x10]
mov edx, dword [ecx]
mov eax, dword [eax]
cmp edx, 3
ja case.default.0x4b22c2
jmp dword [edx*4 + 0x4b2318]
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004b1d70
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004b1ab0
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004b24c0
push str.TFTP_finished
push 0x58eb38
push eax
call fcn.0048de40
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x5838a4
push eax
call fcn.0048dd60
add esp, 0xc
mov eax, 0x47
pop ebp
ret
Function at 0x4bb530
Capabilities:
Get hostname

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 8]
push esi
push edi
mov byte [edi], 0
call dword [sym.imp.WS2_32.dll_gethostname]
mov byte [edi + esi - 1], 0
test eax, eax
jne 0x4bb563
push 0x2e
push edi
call fcn.0044f150
add esp, 8
test eax, eax
je 0x4bb561
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret

Function at 0x4bdc70
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push esi
mov esi, dword [ebp + 8]
push edi
mov ecx, dword [esi + 0xc]
mov eax, dword [esi + 0x14]
lea eax, [eax + ecx*2]
add eax, 0xc
push eax
call dword [0x5e2a8c]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4bdc9d
pop edi
pop esi
mov esp, ebp
pop ebp
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 [ebp + 0x10]
mov dword [edi + 8], eax
cmp ebx, dword [esi + 0x10]
jbe 0x4bdce4
mov eax, dword [esi]
push ecx
call eax
mov eax, dword [esi + 4]
push ebx
push dword [ebp + 0xc]
push dword [edi + 4]
call eax
mov eax, dword [edi + 8]
add eax, dword [esi + 0xc]
push dword [edi + 4]
mov dword [ebp - 4], eax
push eax
mov eax, dword [esi + 8]
call eax
mov ebx, dword [esi + 0x14]
add esp, 0x18
mov dword [ebp + 0x10], ebx
jmp 0x4bdcea
mov eax, dword [ebp + 0xc]
mov dword [ebp - 4], eax
push dword [edi + 4]
mov eax, dword [esi]
call eax
push dword [edi + 8]
mov eax, dword [esi]
call eax
mov eax, dword [ebp + 0x10]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x4bdd4b
mov ebx, dword [ebp - 4]
mov dword [ebp - 8], eax
nop word [eax + eax]
movzx eax, byte [ebx]
xor al, 0x36
mov byte [ebp + 0xb], al
lea eax, [ebp + 0xb]
push 1
push eax
push dword [edi + 4]
mov eax, dword [esi + 4]
call eax
movzx eax, byte [ebx]
lea ebx, [ebx + 1]
xor al, 0x5c
mov byte [ebp + 0xb], al
lea eax, [ebp + 0xb]
push 1
push eax
push dword [edi + 8]
mov eax, dword [esi + 4]
call eax
add esp, 0x18
sub dword [ebp + 0x10], 1
jne 0x4bdd10
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x4bdd77
mov eax, dword [esi + 4]
push 1
push str.6Stack_part_of_OpenSSL_1.0.2r__26_Feb_2019
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x598697
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x4bdd50
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x4beba0
Capabilities:
Check if file exists

Disassembly:
push esi
mov esi, dword [esp + 0xc]
push edi
push esi
push dword [esp + 0x10]
call fcn.004bece0
mov edi, eax
add esp, 8
test edi, edi
jne 0x4bec46
push 0xaf
push str..crypto_bio_bss_file.c
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 1
push 2
call fcn.004cbeb0
push 0x598720
push esi
push 0x598724
push dword [esp + 0x2c]
push str.fopen_
push 5
call fcn.004cb420
add esp, 0x2c
call fcn.00464210
cmp dword [eax], 2
je 0x4bec26
call fcn.00464210
cmp dword [eax], 6
je 0x4bec26
push 0xb8
push str..crypto_bio_bss_file.c
push 2
push 0x6d
push 0x20
call fcn.004cbeb0
add esp, 0x14
xor eax, eax
pop edi
pop esi
ret
push 0xb6
push str..crypto_bio_bss_file.c
push 0x80
push 0x6d
push 0x20
call fcn.004cbeb0
add esp, 0x14
xor eax, eax
pop edi
pop esi
ret
push 0x5e2b28
call fcn.004bf2b0
mov esi, eax
add esp, 4
test esi, esi
jne 0x4bec67
push edi
call fcn.00461322
add esp, 4
xor eax, eax
pop edi
pop esi
ret
push 0
push esi
call fcn.004beef0
push edi
push 1
push 0x6a
push esi
call fcn.004bef20
add esp, 0x18
mov eax, esi
pop edi
pop esi
ret
Function at 0x4c92d0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xffffffc0
mov eax, 0x474
call fcn.0042c540
mov eax, dword [0x5e2008]
xor eax, esp
mov dword [esp + 0x470], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
xor ebx, ebx
mov dword [esp + 0x44], ebx
test edi, edi
jne 0x4c9315
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x470]
xor ecx, esp
call fcn.0042c42d
mov esp, ebp
pop ebp
ret
lea eax, [esp + 0x48]
push eax
push edi
call fcn.0057997e
add esp, 8
test eax, eax
js 0x4c92fe
mov eax, 8
call fcn.0042c540
xorps xmm0, xmm0
lea eax, [esp + 0x50]
movsd qword [esp], xmm0
push 0x30
push eax
call fcn.004c8ff0
mov esi, dword [ebp + 0xc]
add esp, 0x10
test esi, esi
je 0x4c92fe
push 0x583858
push edi
call fcn.0046153b
add esp, 8
mov dword [esp + 0x40], eax
test eax, eax
je 0x4c9412
test dword [esp + 0x4e], 0x2000
je 0x4c9391
push 0
push 4
mov ecx, 0x800
cmp esi, 0xffffffff
push 0
push eax
cmove esi, ecx
call fcn.00578d5b
mov eax, dword [esp + 0x50]
add esp, 0x10
mov edi, 0x400
test esi, esi
jle 0x4c939f
cmp esi, edi
cmovl edi, esi
push eax
push edi
lea eax, [esp + 0x80]
push 1
push eax
call fcn.004619ed
mov ebx, eax
add esp, 0x10
test ebx, ebx
jle 0x4c93f3
movd xmm0, ebx
mov eax, 8
cvtdq2pd xmm0, xmm0
call fcn.0042c540
lea eax, [esp + 0x80]
movsd qword [esp], xmm0
push edi
push eax
call fcn.004c8ff0
add dword [esp + 0x54], ebx
add esp, 0x10
mov eax, dword [esp + 0x40]
test esi, esi
jle 0x4c9391
sub esi, edi
test esi, esi
jg 0x4c9391
push dword [esp + 0x40]
call fcn.00461322
lea eax, [esp + 0x7c]
push 0x400
push eax
call fcn.00401360
mov ebx, dword [esp + 0x50]
add esp, 0xc
mov ecx, dword [esp + 0x47c]
mov eax, ebx
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.0042c42d
mov esp, ebp
pop ebp
ret

Function at 0x4d37b0
Capabilities:
Encode data using xor

Disassembly:
push esi
mov esi, dword [esp + 0x10]
xor dl, dl
test esi, esi
je 0x4d37d7
mov eax, dword [esp + 8]
push edi
mov edi, dword [esp + 0x10]
sub edi, eax
mov cl, byte [edi + eax]
lea eax, [eax + 1]
xor cl, byte [eax - 1]
or dl, cl
sub esi, 1
jne 0x4d37c6
pop edi
movzx eax, dl
pop esi
ret
Function at 0x4d3a60
Capabilities:
Access the windows event log
Write file on windows

Disassembly:
mov eax, 0x10c
call fcn.0042c540
mov eax, dword [0x5e2008]
xor eax, esp
mov dword [esp + 0x108], eax
push esi
push 0xfffffffffffffff4
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
mov esi, eax
test esi, esi
je 0x4d3aff
push esi
call dword [sym.imp.KERNEL32.dll_GetFileType]
test eax, eax
je 0x4d3aff
lea eax, [esp + 0x118]
push eax
push 0
push dword [esp + 0x11c]
lea eax, [esp + 0x14]
push 0x100
push eax
call fcn.00421d25
mov ecx, dword [eax]
push dword [eax + 4]
or ecx, 1
push ecx
call fcn.0045593a
add esp, 0x1c
or ecx, 0xffffffff
test eax, eax
cmovs eax, ecx
lea ecx, [esp + 4]
push 0
push ecx
test eax, eax
mov ecx, 0x100
cmovs eax, ecx
push eax
lea eax, [esp + 0x14]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_WriteFile]
pop esi
mov ecx, dword [esp + 0x108]
xor ecx, esp
call fcn.0042c42d
add esp, 0x10c
ret
lea eax, [esp + 0x118]
push eax
push 0
push dword [esp + 0x11c]
lea eax, [esp + 0x14]
push 0xff
push eax
call fcn.00421d25
mov ecx, dword [eax]
push dword [eax + 4]
or ecx, 1
push ecx
call fcn.0045593a
add esp, 0x1c
mov byte [esp + 0x107], 0
call fcn.004d3920
test eax, eax
jle 0x4d3b93
push str.OpenSSL
push 0
call dword [sym.imp.ADVAPI32.dll_RegisterEventSourceA]
mov esi, eax
test esi, esi
je 0x4d3ba7
push 0
lea eax, [esp + 0xc]
mov dword [esp + 8], eax
lea eax, [esp + 8]
push eax
push 0
push 1
push 0
push 0
push 0
push 1
push esi
call dword [sym.imp.ADVAPI32.dll_ReportEventA]
push esi
call dword [sym.imp.ADVAPI32.dll_DeregisterEventSource]
pop esi
mov ecx, dword [esp + 0x108]
xor ecx, esp
call fcn.0042c42d
add esp, 0x10c
ret
push 0x10
push str.OpenSSL:_FATAL
lea eax, [esp + 0x10]
push eax
push 0
call dword [sym.imp.USER32.dll_MessageBoxA]
mov ecx, dword [esp + 0x10c]
pop esi
xor ecx, esp
call fcn.0042c42d
add esp, 0x10c
ret
Function at 0x514540
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 0x14]
cmp dword [esp + 0x18], esi
jne 0x514609
mov ecx, dword [esp + 0x10]
mov al, byte [ecx]
cmp al, 0x6a
je 0x514561
cmp al, 0x6b
jne 0x514609
inc ecx
cmp al, 0x6b
jne 0x5145cb
add esi, 0xfffffffd
xor eax, eax
test esi, esi
jle 0x514582
nop
mov dl, byte [ecx]
inc ecx
cmp dl, 0xba
je 0x514582
cmp dl, 0xbb
jne 0x5145ab
inc eax
cmp eax, esi
jl 0x514570
sub esi, eax
test eax, eax
jne 0x5145ce
push 0x83
push str..crypto_rsa_rsa_x931.c
push 0x8a
push 0x80
push 4
call fcn.004cbeb0
add esp, 0x14
or eax, 0xffffffff
pop esi
ret
push 0x7b
push str..crypto_rsa_rsa_x931.c
push 0x8a
push 0x80
push 4
call fcn.004cbeb0
add esp, 0x14
or eax, 0xffffffff
pop esi
ret
add esi, 0xfffffffe
cmp byte [esi + ecx], 0xcc
je 0x5145f7
push 0x8b
push str..crypto_rsa_rsa_x931.c
push 0x8b
push 0x80
push 4
call fcn.004cbeb0
add esp, 0x14
or eax, 0xffffffff
pop esi
ret
push esi
push ecx
push dword [esp + 0x10]
call fcn.0044db40
add esp, 0xc
mov eax, esi
pop esi
ret
push 0x70
push str..crypto_rsa_rsa_x931.c
push 0x89
push 0x80
push 4
call fcn.004cbeb0
add esp, 0x14
or eax, 0xffffffff
pop esi
ret
Function at 0x51c920
Capabilities:
Encode data using base64

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0x14]
xor ebx, ebx
test esi, esi
jle 0x51ca0c
mov edx, dword [esp + 0xc]
push edi
mov edi, dword [esp + 0x14]
inc edi
nop word [eax + eax]
cmp esi, 3
jl 0x51c99d
movzx ecx, byte [edi - 1]
movzx eax, byte [edi]
shl ecx, 8
or ecx, eax
movzx eax, byte [edi + 1]
shl ecx, 8
or ecx, eax
mov eax, ecx
shr eax, 0x12
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx], al
mov eax, ecx
shr eax, 0xc
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx + 1], al
mov eax, ecx
shr eax, 6
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx + 2], al
add edx, 3
and ecx, 0x3f
movzx eax, byte [ecx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx], al
jmp 0x51c9f1
movzx eax, byte [edi - 1]
shl eax, 0x10
cmp esi, 2
jne 0x51c9b1
movzx ecx, byte [edi]
shl ecx, 8
or eax, ecx
mov ecx, eax
shr ecx, 0x12
movzx ecx, byte [ecx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx], cl
mov ecx, eax
shr ecx, 0xc
and ecx, 0x3f
movzx ecx, byte [ecx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx + 1], cl
cmp esi, 1
jne 0x51c9db
lea eax, [esi + 0x3c]
jmp 0x51c9e8
shr eax, 6
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx + 2], al
add edx, 3
mov byte [edx], 0x3d
sub esi, 3
add ebx, 4
add edi, 3
inc edx
test esi, esi
jg 0x51c940
pop edi
pop esi
mov eax, ebx
mov byte [edx], 0
pop ebx
ret
mov eax, dword [esp + 0xc]
pop esi
mov byte [eax], bl
mov eax, ebx
pop ebx
ret