joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4fcbb0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x6610e4]
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.004a2e40
push 0x80
lea eax, [ebp - 0x84]
push 0
push eax
call fcn.004a2e40
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.004fc170
mov eax, dword [esi + 0x1eb0]
add esp, 0x28
movzx ecx, byte [eax]
inc eax
mov dword [esi + 0x1eb0], eax
cmp ecx, 0x18
je 0x4fcd98
cmp ecx, 0x23
je 0x4fcd72
cmp ecx, 0x27
jne 0x4fce26
push 0
push ecx
push 0xfa
push 0xff
push str._c_c_c_c
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.004dd550
mov esi, dword [esi + 0x1cac]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x4fcd11
nop
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4fcc97
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x4fccff
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.0042413f
add esp, 0x10
test eax, eax
je 0x4fccff
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.004dd550
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x4fcc90
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.004dd550
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 0x4fcd6c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004d9ff0
add esp, 0xc
push edi
jmp 0x4fce14
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4fcd80
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x4fcdb9
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4fcda3
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.004dd550
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 0x4fce10
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004d9ff0
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.004fc170
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00447f5d
mov esp, ebp
pop ebp
ret
Function at 0x4fdb20
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90
mov eax, dword [0x6610e4]
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 0x4fdbb3
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [edi + 0xc8]
push eax
call fcn.004a2340
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [edi + 0x148], eax
mov edx, dword [edi + 0x14c]
cmp edx, 4
jge 0x4fdbe6
push str.Received_too_short_packet
push ebx
call fcn.004d9ff0
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.00447f5d
mov esp, ebp
pop ebp
ret
push esi
call fcn.004fd720
movzx eax, ax
add esp, 4
mov dword [edi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x4fdc01
jmp dword [eax*4 + 0x4fdd48]
cmp edx, 4
jle case.0x4fdc01.4
push esi
call fcn.004fd700
movzx ecx, word [edi + 0x40]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x4fdc01.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi]
add eax, 4
push eax
push 1
push dword [ebp - 0x90]
call fcn.004d9f40
mov esi, eax
add esp, 0x10
test esi, esi
je 0x4fdc66
push 5
push edi
call fcn.004fe560
add esp, 8
mov eax, esi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00447f5d
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.004e6520
jmp 0x4fdd0e
mov eax, dword [esi]
lea esi, [edx - 4]
add eax, 4
mov dword [ebp - 0x8c], eax
lea eax, [edi + 0x15c]
push eax
call fcn.004fd700
push esi
push dword [ebp - 0x8c]
movzx eax, ax
mov dword [edi + 8], eax
call fcn.004fd6d0
add esp, 0xc
cmp eax, esi
jae case.0x4fdc01.4
push dword [ebp - 0x8c]
push str.TFTP_error:__s_n
push ebx
call fcn.004da0d0
jmp 0x4fdd0e
lea eax, [edx - 2]
push eax
mov eax, dword [esi]
add eax, 2
push eax
push edi
call fcn.004fd8d0
add esp, 0xc
test eax, eax
je case.0x4fdc01.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00447f5d
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x5e7a34
push ebx
call fcn.004d9ff0
add esp, 0xc
push dword [ebp - 0x90]
call fcn.004e67f0
add esp, 4
test eax, eax
je 0x4fdbd3
push 5
push edi
call fcn.004fe560
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.00447f5d
mov esp, ebp
pop ebp
ret
Function at 0x4fe560
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.0x4fe572
jmp dword [edx*4 + 0x4fe5c8]
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004fe020
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004fdd60
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004fe770
push str.TFTP_finished
push 0x5fa658
push eax
call fcn.004da0d0
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x5e7a34
push eax
call fcn.004d9ff0
add esp, 0xc
mov eax, 0x47
pop ebp
ret
Function at 0x507810
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 0x507843
push 0x2e
push edi
call fcn.004a5f10
add esp, 8
test eax, eax
je 0x507841
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret

Function at 0x509f20
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 [0x661dc4]
mov edi, eax
add esp, 4
test edi, edi
jne 0x509f4d
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 0x509f94
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 0x509f9a
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 0x509ffb
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 0x509fc0
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x50a027
mov eax, dword [esi + 4]
push 1
push str.6Visual_C_CRT:_Not_enough_memory_to_complete_call_to_strerror.
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x60418f
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x50a000
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x538b50
Capabilities:
Check if file exists

Disassembly:
push esi
mov esi, dword [esp + 0xc]
push edi
push esi
push dword [esp + 0x10]
call fcn.00538c90
mov edi, eax
add esp, 8
test edi, edi
jne 0x538bf6
push 0xaf
push str..crypto_bio_bss_file.c
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 1
push 2
call fcn.00545c50
push 0x6099a0
push esi
push 0x60ebe0
push dword [esp + 0x2c]
push str.fopen_
push 5
call fcn.005451a0
add esp, 0x2c
call fcn.004a6b7a
cmp dword [eax], 2
je 0x538bd6
call fcn.004a6b7a
cmp dword [eax], 6
je 0x538bd6
push 0xb8
push str..crypto_bio_bss_file.c
push 2
push 0x6d
push 0x20
call fcn.00545c50
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.00545c50
add esp, 0x14
xor eax, eax
pop edi
pop esi
ret
push 0x664bb8
call fcn.00539260
mov esi, eax
add esp, 4
test esi, esi
jne 0x538c17
push edi
call fcn.004a6d9c
add esp, 4
xor eax, eax
pop edi
pop esi
ret
push 0
push esi
call fcn.00538ea0
push edi
push 1
push 0x6a
push esi
call fcn.00538ed0
add esp, 0x18
mov eax, esi
pop edi
pop esi
ret

Function at 0x543030
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xffffffc0
mov eax, 0x474
call fcn.004480b0
mov eax, dword [0x6610e4]
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 0x543075
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x470]
xor ecx, esp
call fcn.00447f5d
mov esp, ebp
pop ebp
ret
lea eax, [esp + 0x48]
push eax
push edi
call fcn.0050c161
add esp, 8
test eax, eax
js 0x54305e
mov eax, 8
call fcn.004480b0
xorps xmm0, xmm0
lea eax, [esp + 0x50]
movsd qword [esp], xmm0
push 0x30
push eax
call fcn.00542d40
mov esi, dword [ebp + 0xc]
add esp, 0x10
test esi, esi
je 0x54305e
push 0x64fa08
push edi
call fcn.004a700b
add esp, 8
mov dword [esp + 0x40], eax
test eax, eax
je 0x543172
test dword [esp + 0x4e], 0x2000
je 0x5430f1
push 0
push 4
mov ecx, 0x800
cmp esi, 0xffffffff
push 0
push eax
cmove esi, ecx
call fcn.0050b53e
mov eax, dword [esp + 0x50]
add esp, 0x10
mov edi, 0x400
test esi, esi
jle 0x5430ff
cmp esi, edi
cmovl edi, esi
push eax
push edi
lea eax, [esp + 0x80]
push 1
push eax
call fcn.004a71ee
mov ebx, eax
add esp, 0x10
test ebx, ebx
jle 0x543153
movd xmm0, ebx
mov eax, 8
cvtdq2pd xmm0, xmm0
call fcn.004480b0
lea eax, [esp + 0x80]
movsd qword [esp], xmm0
push edi
push eax
call fcn.00542d40
add dword [esp + 0x54], ebx
add esp, 0x10
mov eax, dword [esp + 0x40]
test esi, esi
jle 0x5430f1
sub esi, edi
test esi, esi
jg 0x5430f1
push dword [esp + 0x40]
call fcn.004a6d9c
lea eax, [esp + 0x7c]
push 0x400
push eax
call fcn.005527d0
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.00447f5d
mov esp, ebp
pop ebp
ret
Function at 0x54e240
Capabilities:
Encode data using xor

Disassembly:
push esi
mov esi, dword [esp + 0x10]
xor dl, dl
test esi, esi
je 0x54e267
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 0x54e256
pop edi
movzx eax, dl
pop esi
ret

Function at 0x54e3b0
Capabilities:
Access the windows event log
Write file on windows

Disassembly:
mov eax, 0x10c
call fcn.004480b0
mov eax, dword [0x6610e4]
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 0x54e44f
push esi
call dword [sym.imp.KERNEL32.dll_GetFileType]
test eax, eax
je 0x54e44f
lea eax, [esp + 0x118]
push eax
push 0
push dword [esp + 0x11c]
lea eax, [esp + 0x14]
push 0x100
push eax
call fcn.004046f0
mov ecx, dword [eax]
push dword [eax + 4]
or ecx, 1
push ecx
call fcn.004ab0db
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.00447f5d
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.004046f0
mov ecx, dword [eax]
push dword [eax + 4]
or ecx, 1
push ecx
call fcn.004ab0db
add esp, 0x1c
mov byte [esp + 0x107], 0
call fcn.0054e270
test eax, eax
jle 0x54e4e3
push str.OpenSSL
push 0
call dword [sym.imp.ADVAPI32.dll_RegisterEventSourceA]
mov esi, eax
test esi, esi
je 0x54e4f7
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.00447f5d
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.00447f5d
add esp, 0x10c
ret
Function at 0x558e50
Capabilities:
Resolve function by parsing pe exports

Disassembly:
mov eax, 0x6c
call fcn.004480b0
mov eax, dword [0x6610e4]
xor eax, esp
mov dword [esp + 0x68], eax
mov eax, dword [esp + 0x74]
push ebx
mov dword [esp + 0xc], eax
xor ebx, ebx
mov eax, dword [esp + 0x7c]
push ebp
mov ebp, dword [esp + 0x78]
push esi
mov dword [esp + 0x10], eax
xor esi, esi
mov dword [eax], ebx
lea eax, [esp + 0x1c]
push edi
mov edi, dword [esp + 0x8c]
push eax
call fcn.0053f230
lea eax, [esp + 0x24]
push ebp
push eax
call fcn.0053f090
add esp, 0xc
test eax, eax
je 0x558f52
lea eax, [esp + 0x1c]
push eax
lea eax, [esp + 0x3c]
push eax
lea eax, [esp + 0x28]
push eax
call fcn.0053ed70
add esp, 0xc
test eax, eax
je 0x558f52
lea eax, [esp + 0x20]
push eax
call fcn.0053efd0
mov esi, dword [ebp]
add esp, 4
test byte [esi + 0xc], 4
je 0x558f70
push edi
call fcn.0053fa70
push ebx
push edi
mov dword [esp + 0x1c], eax
call fcn.00559430
mov esi, eax
add esp, 0xc
test esi, esi
je 0x558f52
push esi
call fcn.00559e50
add esp, 4
test eax, eax
jle 0x558f52
push dword [ebp]
push ebx
push 1
push 0xf8
push 0xffffffffffffffff
push esi
call fcn.005591d0
add esp, 0x18
test eax, eax
jle 0x558f52
push dword [esp + 0x1c]
lea eax, [esp + 0x3c]
push eax
lea eax, [esp + 0x18]
push eax
push dword [esp + 0x24]
push esi
call fcn.00559d60
add esp, 0x14
test eax, eax
jle 0x558f52
mov ecx, dword [esp + 0x14]
mov ebx, 1
mov eax, dword [esp + 0x10]
mov dword [ecx], eax
push esi
call fcn.005593c0
add esp, 4
mov eax, ebx
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x68]
xor ecx, esp
call fcn.00447f5d
add esp, 0x6c
ret
xor eax, eax
lea ecx, [esi + 0x2c]
mov edx, dword [ecx]
test edx, edx
je 0x558f88
cmp dword [edi], edx
je 0x558fb2
inc eax
add ecx, 4
cmp eax, 4
jl 0x558f75
push 0x7b
push str..cryptoevpp_sign.c
push 0x6e
push 0x6b
push 6
call fcn.00545c50
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x68]
xor ecx, esp
call fcn.00447f5d
add esp, 0x6c
ret
mov eax, dword [esi + 0x24]
test eax, eax
jne 0x558fe6
push 0x80
push str..cryptoevpp_sign.c
push 0x68
push 0x6b
push 6
call fcn.00545c50
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x68]
xor ecx, esp
call fcn.00447f5d
add esp, 0x6c
ret
push dword [edi + 0x14]
mov ecx, dword [esp + 0x18]
push ecx
push dword [esp + 0x20]
lea ecx, [esp + 0x44]
push dword [esp + 0x28]
push ecx
push dword [esi]
call eax
mov ecx, dword [esp + 0x90]
add esp, 0x18
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00447f5d
add esp, 0x6c
ret
Function at 0x562cf0
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x8c
call fcn.004480b0
mov eax, dword [0x6610e4]
xor eax, esp
mov dword [esp + 0x88], eax
mov edx, dword [esp + 0xa0]
xor eax, eax
push ebx
mov ebx, dword [esp + 0x9c]
push ebp
mov ebp, dword [esp + 0x9c]
push esi
mov esi, dword [esp + 0x9c]
push edi
mov edi, dword [esp + 0xac]
mov dword [esp + 0x10], edx
test edi, edi
je 0x562d56
cmp edi, dword [esi]
je 0x562d4d
test ebp, ebp
je 0x562dd0
test ebx, ebx
js 0x562dd0
mov eax, 1
mov dword [esi], edi
jmp 0x562d5c
mov edi, dword [esi]
test edi, edi
je 0x562dd0
test ebp, ebp
je 0x562eeb
push edi
call fcn.0055a890
add esp, 4
mov dword [esp + 0x14], eax
cmp eax, 0x80
jle 0x562d90
push str.j____int_sizeof_ctx__key_
push 0x74
push str..cryptohmachmac.c
call fcn.0054e510
mov eax, dword [esp + 0x20]
add esp, 0xc
cmp eax, ebx
jge 0x562deb
push dword [esp + 0x10]
lea eax, [esi + 4]
push edi
push eax
call fcn.0053ee10
add esp, 0xc
test eax, eax
je 0x562dd0
push ebx
push ebp
lea ebx, [esi + 4]
push ebx
call fcn.0053efc0
add esp, 0xc
test eax, eax
je 0x562dd0
lea ebp, [esi + 0x4c]
push ebp
lea eax, [esi + 0x50]
push eax
push ebx
call fcn.0053ed70
add esp, 0xc
test eax, eax
jne 0x562e07
xor eax, eax
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00447f5d
add esp, 0x8c
ret
cmp ebx, 0x80
ja 0x562dd0
push ebx
lea eax, [esi + 0x50]
push ebp
push eax
call fcn.004a2340
lea ebp, [esi + 0x4c]
add esp, 0xc
mov dword [ebp], ebx
mov ecx, dword [ebp]
cmp ecx, 0x80
je 0x562e2a
mov eax, 0x80
sub eax, ecx
push eax
lea eax, [esi + 0x50]
add eax, ecx
push 0
push eax
call fcn.004a2e40
add esp, 0xc
mov edx, dword [esp + 0x10]
xor ecx, ecx
mov al, byte [esi + ecx + 0x50]
xor al, 0x36
mov byte [esp + ecx + 0x18], al
inc ecx
cmp ecx, 0x80
jl 0x562e30
push edx
lea ebx, [esi + 0x1c]
push edi
push ebx
call fcn.0053ee10
add esp, 0xc
test eax, eax
je 0x562dd0
push edi
call fcn.0055a890
push eax
lea eax, [esp + 0x20]
push eax
push ebx
call fcn.0053efc0
add esp, 0x10
test eax, eax
je 0x562dd0
xor ecx, ecx
nop dword [eax + eax]
mov al, byte [esi + ecx + 0x50]
xor al, 0x5c
mov byte [esp + ecx + 0x18], al
inc ecx
cmp ecx, 0x80
jl 0x562e80
push dword [esp + 0x10]
lea ebx, [esi + 0x34]
push edi
push ebx
call fcn.0053ee10
add esp, 0xc
test eax, eax
je 0x562dd0
push edi
call fcn.0055a890
push eax
lea eax, [esp + 0x20]
push eax
push ebx
call fcn.0053efc0
add esp, 0x10
test eax, eax
je 0x562dd0
lea eax, [esi + 0x1c]
push eax
lea eax, [esi + 4]
push eax
call fcn.0053f090
add esp, 8
test eax, eax
je 0x562dd0
mov eax, 1
jmp 0x562dd2
test eax, eax
je 0x562ec9
jmp 0x562e2e
Function at 0x58a000
Capabilities:
Encode data using base64

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0x14]
xor ebx, ebx
test esi, esi
jle 0x58a0ec
mov edx, dword [esp + 0xc]
push edi
mov edi, dword [esp + 0x14]
inc edi
nop word [eax + eax]
cmp esi, 3
jl 0x58a07d
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 0x58a0d1
movzx eax, byte [edi - 1]
shl eax, 0x10
cmp esi, 2
jne 0x58a091
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 0x58a0bb
lea eax, [esi + 0x3c]
jmp 0x58a0c8
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 0x58a020
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
Function at 0x58a2a0
Capabilities:
Resolve dns

Disassembly:
push ebx
mov ebx, dword [esp + 0xc]
push ebp
push esi
mov esi, dword [esp + 0x10]
mov ebp, 1
push edi
push ebx
push esi
call fcn.0058a760
mov edi, eax
add esp, 8
test edi, edi
jns 0x58a2db
push 0x7b
push str..crypto_bio_b_sock.c
push 0x6c
push 0x6a
push 0x20
call fcn.00545c50
add esp, 0x14
jmp 0x58a39c
call fcn.0058a690
cmp eax, 1
jne 0x58a3ac
test edi, edi
jle 0x58a2f4
pop edi
pop esi
mov eax, ebp
pop ebp
pop ebx
ret
push 0x8e
push str..crypto_bio_b_sock.c
push 0x16
push 9
call fcn.0054e1d0
add esp, 0x10
push esi
call dword [sym.imp.WS2_32.dll_gethostbyname]
mov ecx, eax
test ecx, ecx
jne 0x58a331
push 0x92
push str..crypto_bio_b_sock.c
push 0x66
push 0x6a
push 0x20
call fcn.00545c50
add esp, 0x14
jmp 0x58a382
cmp word [ecx + 8], 2
je 0x58a352
push 0x99
push str..crypto_bio_b_sock.c
push 0x6b
push 0x6a
push 0x20
call fcn.00545c50
add esp, 0x14
jmp 0x58a382
mov eax, dword [ecx + 0xc]
xor ebp, ebp
mov eax, dword [eax]
movzx eax, byte [eax]
mov byte [ebx], al
mov eax, dword [ecx + 0xc]
mov eax, dword [eax]
movzx eax, byte [eax + 1]
mov byte [ebx + 1], al
mov eax, dword [ecx + 0xc]
mov eax, dword [eax]
movzx eax, byte [eax + 2]
mov byte [ebx + 2], al
mov eax, dword [ecx + 0xc]
mov eax, dword [eax]
movzx eax, byte [eax + 3]
mov byte [ebx + 3], al
push 0xa2
push str..crypto_bio_b_sock.c
push 0x16
push 0xa
call fcn.0054e1d0
add esp, 0x10
test ebp, ebp
je 0x58a3b3
push esi
push str.host
push 2
call fcn.005451a0
add esp, 0xc
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
ret
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
ret

Function at 0x58a710
Capabilities:
Set socket configuration

Disassembly:
mov eax, dword [esp + 8]
push esi
mov dword [esp + 0xc], eax
lea eax, [esp + 0xc]
push eax
push 0x8004667e
push dword [esp + 0x10]
call dword [sym.imp.WS2_32.dll_ioctlsocket]
mov esi, eax
test esi, esi
jns 0x58a750
push 0x233
push str..crypto_bio_b_sock.c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push 5
push 2
call fcn.00545c50
add esp, 0x14
xor eax, eax
test esi, esi
pop esi
sete al
ret