joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4edf90
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x6a34f8]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
lea eax, [ebp - 0x104]
push esi
push edi
push 0x80
push 0
push eax
mov dword [ebp - 0x908], ebx
call fcn.00515320
push 0x80
lea eax, [ebp - 0x84]
push 0
push eax
call fcn.00515320
mov esi, dword [ebx + 0x134]
mov edi, dword [ebx + 0xc]
mov dword [ebp - 0x90c], edi
mov eax, dword [esi + 0x1eb8]
sub eax, dword [esi + 0x1eb4]
add eax, 2
push eax
lea eax, [esi + 0x1cb4]
push eax
push 0x3c
push ebx
call fcn.004ed500
mov eax, dword [esi + 0x1eb4]
add esp, 0x28
mov cl, byte [eax]
inc eax
mov dword [esi + 0x1eb4], eax
cmp cl, 0x18
je 0x4ee178
cmp cl, 0x23
je 0x4ee152
cmp cl, 0x27
jne 0x4ee206
push 0
push 0x27
push 0xfa
push 0xff
push str._c_c_c_c
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.004cb410
mov esi, dword [esi + 0x1cb0]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x4ee0f1
nop
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4ee077
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x4ee0df
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.0041fec2
add esp, 0x10
test eax, eax
je 0x4ee0df
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.004cb410
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x4ee070
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.004cb410
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 + 0x148]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4ee14c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004c7b30
add esp, 0xc
push edi
jmp 0x4ee1f4
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4ee160
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x4ee199
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4ee183
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.004cb410
add esp, 0x28
lea eax, [ebp - 0x904]
push 0
push esi
push eax
push dword [edi + 0x148]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4ee1f0
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004c7b30
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.004ed500
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004fbae6
mov esp, ebp
pop ebp
ret
Function at 0x4eeed0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x6a34f8]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
push esi
push edi
mov eax, dword [ebx + 0xc]
mov edi, dword [eax + 0x300]
lea eax, [ebp - 0x88]
push eax
mov dword [ebp - 0x88], 0x80
lea eax, [ebp - 0x84]
push eax
mov eax, dword [edi + 0x13c]
lea esi, [edi + 0x148]
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 + 0x130], 0
mov dword [edi + 0x134], eax
jne 0x4eef5e
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [edi + 0xb0]
push eax
call fcn.00513740
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [edi + 0x130], eax
mov edx, dword [edi + 0x134]
cmp edx, 4
jge 0x4eef91
push str.Received_too_short_packet
push ebx
call fcn.004c7b30
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.004fbae6
mov esp, ebp
pop ebp
ret
push esi
call fcn.004eeac0
movzx eax, ax
add esp, 4
mov dword [edi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x4eefac
jmp dword [eax*4 + 0x4ef0ec]
cmp edx, 4
jle case.0x4eefac.4
push esi
call fcn.004eeaa0
movzx ecx, word [edi + 0x144]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x4eefac.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi]
add eax, 4
push eax
push 1
push ebx
call fcn.004c7a70
mov esi, eax
add esp, 0x10
test esi, esi
je 0x4ef00f
push 5
push edi
call fcn.004ef930
add esp, 8
mov eax, esi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004fbae6
mov esp, ebp
pop ebp
ret
mov eax, dword [edi + 0x134]
sub eax, 4
cdq
add dword [ebx + 0x90], eax
adc dword [ebx + 0x94], edx
push dword [ebx + 0x94]
push dword [ebx + 0x90]
push ebx
call fcn.004d5340
jmp 0x4ef0b7
mov eax, dword [esi]
lea esi, [edx - 4]
add eax, 4
mov dword [ebp - 0x8c], eax
lea eax, [edi + 0x148]
push eax
call fcn.004eeaa0
push esi
push dword [ebp - 0x8c]
movzx eax, ax
mov dword [edi + 8], eax
call fcn.004efa60
add esp, 0xc
cmp eax, esi
jae case.0x4eefac.4
push dword [ebp - 0x8c]
push str.TFTP_error:__s_n
push ebx
call fcn.004c7bf0
jmp 0x4ef0b7
lea eax, [edx - 2]
push eax
mov eax, dword [esi]
add eax, 2
push eax
push edi
call fcn.004eec80
add esp, 0xc
test eax, eax
je case.0x4eefac.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004fbae6
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x631680
push ebx
call fcn.004c7b30
add esp, 0xc
push ebx
call fcn.004d5620
add esp, 4
test eax, eax
je 0x4eef7e
push 5
push edi
call fcn.004ef930
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.004fbae6
mov esp, ebp
pop ebp
ret
Function at 0x4ef930
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov edx, dword [eax]
mov ecx, dword [eax + 0x10]
cmp edx, 3
ja case.default.0x4ef940
jmp dword [edx*4 + 0x4ef994]
mov dword [ebp + 8], eax
pop ebp
jmp fcn.004ef3e0
mov dword [ebp + 8], eax
pop ebp
jmp fcn.004ef100
mov dword [ebp + 8], eax
pop ebp
jmp fcn.004efb90
push str.TFTP_finished
push 0x62c2b8
push ecx
call fcn.004c7bf0
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x631680
push ecx
call fcn.004c7b30
add esp, 0xc
mov eax, 0x47
pop ebp
ret
Function at 0x4f9290
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 0x4f92c3
push 0x2e
push edi
call fcn.00515520
add esp, 8
test eax, eax
je 0x4f92c1
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret

Function at 0x4fac10
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 [0x6a34b0]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4fac3d
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 0x4fac87
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 ecx, dword [edi + 4]
mov dword [ebp + 0x10], ebx
jmp 0x4fac8d
mov eax, dword [ebp + 0xc]
mov dword [ebp - 4], eax
mov eax, dword [esi]
push ecx
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 0x4faceb
mov ebx, dword [ebp - 4]
mov dword [ebp - 8], eax
nop dword [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 0x4facb0
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x4fad17
mov eax, dword [esi + 4]
push 1
push 0x6356cc
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x6356cd
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x4facf0
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x4fdf1b
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 0x536fef
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00536cb2

Function at 0x536ffa
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00536e33

Function at 0x53bd2e
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0053b9ee
Function at 0x542200
Capabilities:
Check if file exists

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0x10]
push edi
push esi
push dword [esp + 0x14]
call fcn.00558050
push 0x62
push esi
mov edi, eax
mov ebx, 1
call fcn.00515520
add esp, 0x10
mov ecx, 0x11
test eax, eax
cmove ebx, ecx
test edi, edi
jne 0x5422b7
push 0x4a
push str.....openssl_1.1.0fcrypto_bio_bss_file.c
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 1
push 2
call fcn.0054f020
push 0x641614
push esi
push 0x641618
push dword [esp + 0x30]
push str.fopen_
push 5
call fcn.0054e790
add esp, 0x2c
call fcn.0051af17
cmp dword [eax], 2
je 0x542299
call fcn.0051af17
cmp dword [eax], 6
je 0x542299
push 0x53
push str.....openssl_1.1.0fcrypto_bio_bss_file.c
push 2
push 0x6d
push 0x20
call fcn.0054f020
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0x51
push str.....openssl_1.1.0fcrypto_bio_bss_file.c
push 0x80
push 0x6d
push 0x20
call fcn.0054f020
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0x6415b0
call fcn.00542810
mov esi, eax
add esp, 4
test esi, esi
jne 0x5422d9
push edi
call fcn.00524b40
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0
push esi
call fcn.005423e0
push edi
push ebx
push 0x6a
push esi
call fcn.00542410
add esp, 0x18
mov eax, esi
pop edi
pop esi
pop ebx
ret
Function at 0x54d1b0
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x10
call fcn.004fc700
mov eax, dword [0x6a34f8]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
xor edi, edi
mov dword [ebp - 0xc], 1
push edi
push edi
push str.RANDFILE
mov dword [ebp - 8], str.RANDFILE
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
mov ebx, dword [ebp + 8]
mov esi, eax
test esi, esi
jne 0x54d241
push edi
push edi
push str.HOME
mov dword [ebp - 8], str.HOME
mov dword [ebp - 0xc], edi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
mov esi, eax
test esi, esi
jne 0x54d241
push eax
push eax
push str.USERPROFILE
mov dword [ebp - 8], str.USERPROFILE
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
mov esi, eax
test esi, esi
jne 0x54d241
push eax
push eax
push str.SYSTEMROOT
mov dword [ebp - 8], str.SYSTEMROOT
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
mov esi, eax
test esi, esi
je 0x54d2b9
lea eax, [esi + esi]
call fcn.004fcb60
mov eax, esp
push esi
push eax
push dword [ebp - 8]
mov dword [ebp - 0x10], eax
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
cmp eax, esi
jae 0x54d2a7
push 0
push 0
push 0
push 0
push 0xffffffffffffffff
push dword [ebp - 0x10]
push 0
push 0xfde9
call dword [sym.imp.KERNEL32.dll_WideCharToMultiByte]
mov dword [ebp - 8], eax
test eax, eax
je 0x54d2a7
call fcn.004fcb60
mov esi, esp
push 0
push 0
push dword [ebp - 8]
push esi
push 0xffffffffffffffff
push dword [ebp - 0x10]
push 0
push 0xfde9
call dword [sym.imp.KERNEL32.dll_WideCharToMultiByte]
mov edi, eax
neg edi
sbb edi, edi
and edi, esi
mov edx, dword [ebp - 0xc]
test edx, edx
jne 0x54d2c2
test edi, edi
jne 0x54d2c6
mov edi, 0x642d50
jmp 0x54d2cb
mov edx, edi
mov edi, 0x642d50
jmp 0x54d2cb
test edi, edi
je 0x54d338
cmp byte [edi], 0
je 0x54d338
mov ecx, edi
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x54d2d0
sub ecx, esi
mov esi, dword [ebp + 0xc]
test edx, edx
je 0x54d30c
lea eax, [ecx + 1]
cmp eax, esi
jae 0x54d30c
push esi
push edi
push ebx
call fcn.00557fd0
add esp, 0xc
cmp eax, esi
jb 0x54d33b
xor eax, eax
lea esp, [ebp - 0x1c]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004fbae6
mov esp, ebp
pop ebp
ret
lea eax, [ecx + 6]
cmp eax, esi
jae 0x54d33b
push esi
push edi
push ebx
call fcn.00557fd0
push esi
push 0x642d54
push ebx
call fcn.00557f70
push esi
push str..rnd
push ebx
call fcn.00557f70
add esp, 0x24
jmp 0x54d33b
mov byte [ebx], 0
xor eax, eax
cmp byte [ebx], al
cmovne eax, ebx
lea esp, [ebp - 0x1c]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004fbae6
mov esp, ebp
pop ebp
ret
Function at 0x54d360
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xffffffc0
mov eax, 0x474
call fcn.004fc700
mov eax, dword [0x6a34f8]
xor eax, esp
mov dword [esp + 0x470], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
xor edi, edi
mov dword [esp + 0x44], edi
test eax, eax
jne 0x54d3a5
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x470]
xor ecx, esp
call fcn.004fbae6
mov esp, ebp
pop ebp
ret
mov esi, dword [ebp + 0xc]
test esi, esi
je 0x54d38e
push 0x642cfc
push eax
call fcn.00558050
mov ebx, eax
add esp, 8
mov dword [esp + 0x40], ebx
test ebx, ebx
je 0x54d4c5
push 0x30
lea eax, [esp + 0x4c]
push 0
push eax
call fcn.00515320
add esp, 0xc
lea eax, [esp + 0x48]
push eax
push ebx
call fcn.0053510d
add esp, 4
push eax
call fcn.0052e7b2
add esp, 8
test eax, eax
js 0x54d4bc
mov eax, 8
call fcn.004fc700
xorps xmm0, xmm0
lea eax, [esp + 0x50]
movsd qword [esp], xmm0
push 0x30
push eax
call fcn.0054cfa0
add esp, 0x10
test dword [esp + 0x4e], 0x2000
je 0x54d440
mov eax, 0x800
cmp esi, 0xffffffff
push 0
push ebx
cmove esi, eax
call fcn.0060d29f
add esp, 8
nop dword [eax]
mov edi, 0x400
test esi, esi
jle 0x54d44e
cmp esi, edi
cmovl edi, esi
push ebx
push edi
lea eax, [esp + 0x80]
push 1
push eax
call fcn.005250e7
mov ebx, eax
add esp, 0x10
test ebx, ebx
jle 0x54d4a2
movd xmm0, ebx
mov eax, 8
cvtdq2pd xmm0, xmm0
call fcn.004fc700
lea eax, [esp + 0x80]
movsd qword [esp], xmm0
push ebx
push eax
call fcn.0054cfa0
add dword [esp + 0x54], ebx
add esp, 0x10
mov ebx, dword [esp + 0x40]
test esi, esi
jle 0x54d440
sub esi, edi
test esi, esi
jg 0x54d440
lea eax, [esp + 0x78]
push 0x400
push eax
call fcn.00557b80
mov ebx, dword [esp + 0x48]
add esp, 8
mov edi, dword [esp + 0x44]
push ebx
call fcn.00524b40
add esp, 4
mov ecx, dword [esp + 0x47c]
mov eax, edi
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.004fbae6
mov esp, ebp
pop ebp
ret
Function at 0x5582a0
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 0x5582e0
push 0xcc
push str.....openssl_1.1.0fcrypto_bio_b_sock.c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push 5
push 2
call fcn.0054f020
add esp, 0x14
xor eax, eax
test esi, esi
pop esi
sete al
ret

Function at 0x558410
Capabilities:
Resolve dns

Disassembly:
mov eax, 0x20
call fcn.004fc700
push esi
push edi
mov edi, dword [esp + 0x38]
xor esi, esi
mov eax, edi
sub eax, esi
je 0x558458
sub eax, 2
je 0x558458
sub eax, 0x15
je 0x558458
push 0x289
push str.....openssl_1.1.0fcrypto_bio_b_addr.c
push 0x83
push 0x87
push 0x20
call fcn.0054f020
add esp, 0x14
pop edi
xor eax, eax
pop esi
add esp, 0x20
ret
call fcn.00558220
cmp eax, 1
jne 0x558450
cmp dword [esp + 0x34], 1
xorps xmm0, xmm0
mov eax, dword [esp + 0x3c]
movups xmmword [esp + 8], xmm0
mov dword [esp + 0xc], edi
movups xmmword [esp + 0x18], xmm0
mov dword [esp + 0x10], eax
jne 0x558487
or dword [esp + 8], 1
push dword [esp + 0x40]
lea eax, [esp + 0xc]
push eax
push dword [esp + 0x38]
push dword [esp + 0x38]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov edi, eax
test edi, edi
je 0x5584d5
push 0x2b5
push str.....openssl_1.1.0fcrypto_bio_b_addr.c
push 2
push 0x87
push 0x20
call fcn.0054f020
push edi
call fcn.00558900
push eax
push 1
call fcn.0054e790
add esp, 0x20
pop edi
mov eax, esi
pop esi
add esp, 0x20
ret
mov esi, 1
pop edi
mov eax, esi
pop esi
add esp, 0x20
ret

Function at 0x558c90
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 4]
xor dl, dl
push esi
mov esi, dword [esp + 0x10]
push edi
mov edi, dword [esp + 0x10]
test esi, esi
je 0x558cb6
sub edi, eax
mov cl, byte [edi + eax]
lea eax, [eax + 1]
xor cl, byte [eax - 1]
or dl, cl
sub esi, 1
jne 0x558ca6
pop edi
movzx eax, dl
pop esi
ret
Function at 0x5751a0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov edx, dword [esp + 4]
push ebx
mov ebx, dword [esp + 0x10]
mov ecx, ebx
push ebp
mov ebp, dword [esp + 0x10]
push esi
mov esi, ebp
push edi
sub ecx, 4
jb 0x5751d1
nop dword [eax]
mov eax, dword [edx]
cmp eax, dword [esi]
jne 0x5751d8
add edx, 4
add esi, 4
sub ecx, 4
jae 0x5751c0
xor edi, edi
cmp ecx, 0xfffffffc
je 0x575213
movzx edi, byte [edx]
movzx eax, byte [esi]
sub edi, eax
jne 0x575213
cmp ecx, 0xfffffffd
je 0x575213
movzx edi, byte [edx + 1]
movzx eax, byte [esi + 1]
sub edi, eax
jne 0x575213
cmp ecx, 0xfffffffe
je 0x575213
movzx edi, byte [edx + 2]
movzx eax, byte [esi + 2]
sub edi, eax
jne 0x575213
cmp ecx, 0xffffffff
je 0x575213
movzx edi, byte [edx + 3]
movzx eax, byte [esi + 3]
sub edi, eax
test edi, edi
jle 0x57522e
push 0x157
push str.....openssl_1.1.0fcryptox509v3_v3_addr.c
push str.assertion_failed:_memcmp_min__max__length____0
call fcn.00558cc0
add esp, 0xc
mov edi, dword [esp + 0x14]
xor ecx, ecx
test ebx, ebx
jle 0x57524d
mov esi, edi
mov edx, ebp
sub esi, ebp
nop
mov al, byte [esi + edx]
cmp al, byte [edx]
jne 0x57524d
inc ecx
inc edx
cmp ecx, ebx
jl 0x575240
lea edx, [ebx - 1]
test edx, edx
js 0x575271
mov esi, edi
lea eax, [edx + ebp]
sub esi, ebp
nop dword [eax + eax]
cmp byte [eax + esi], 0
jne 0x575271
cmp byte [eax], 0xff
jne 0x575271
dec eax
sub edx, 1
jns 0x575260
cmp ecx, edx
jl case.0x57529d.2
jle 0x575283
pop edi
pop esi
pop ebp
lea eax, [ecx*8]
pop ebx
ret
mov bl, byte [ecx + ebp]
mov dh, byte [ecx + edi]
mov dl, bl
xor dl, dh
movzx eax, dl
dec eax
cmp eax, 0x7e
ja case.0x57529d.2
movzx eax, byte [eax + 0x575310]
jmp dword [eax*4 + 0x5752f0]
mov eax, 7
jmp 0x5752d3
mov eax, 6
jmp 0x5752d3
mov eax, 5
jmp 0x5752d3
mov eax, 4
jmp 0x5752d3
mov eax, 3
jmp 0x5752d3
mov eax, 2
jmp 0x5752d3
mov eax, 1
test dl, dh
jne case.0x57529d.2
and bl, dl
cmp bl, dl
jne case.0x57529d.2
pop edi
pop esi
pop ebp
lea eax, [eax + ecx*8]
pop ebx
ret
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
ret
Function at 0x58a370
Capabilities:
Send data
Send data on socket

Disassembly:
push esi
push edi
push 0
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov edi, dword [esp + 0xc]
push 0
push dword [esp + 0x18]
push dword [esp + 0x18]
push dword [edi + 0x1c]
call dword [sym.imp.WS2_32.dll_send]
push 0xf
push edi
mov esi, eax
call fcn.005423e0
add esp, 8
test esi, esi
jg 0x58a3c7
je 0x58a3a9
cmp esi, 0xffffffff
jne 0x58a3c7
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.0058a5c0
add esp, 4
test eax, eax
je 0x58a3c7
push 0xa
push edi
call fcn.00542b40
add esp, 8
pop edi
mov eax, esi
pop esi
ret

Function at 0x58efa0
Capabilities:
Encrypt data using curve25519

Disassembly:
push ebx
mov ebx, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x14]
cmp ebx, 2
je 0x58effc
mov eax, dword [esp + 0x10]
test eax, eax
je 0x58efed
push eax
push 0
lea eax, [esp + 0x24]
push eax
push 0
call fcn.0056f3e0
add esp, 0x10
cmp dword [esp + 0x1c], 0xffffffff
je 0x58efed
push 0x2f
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x66
push 0x10a
push 0x10
call fcn.0054f020
add esp, 0x14
xor eax, eax
pop edi
pop ebx
ret
test edi, edi
je 0x58eff8
cmp dword [esp + 0x18], 0x20
je 0x58effc
push 0x35
jmp 0x58efd2
push esi
push 0x3a
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x24
call fcn.00541cb0
mov esi, eax
add esp, 0xc
test esi, esi
jne 0x58f032
push 0x3c
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x41
push 0x10a
push 0x10
call fcn.0054f020
add esp, 0x14
xor eax, eax
pop esi
pop edi
pop ebx
ret
test ebx, ebx
jne 0x58f049
push dword [esp + 0x1c]
push edi
push esi
call fcn.00513740
add esp, 0xc
jmp 0x58f0f5
push 0x43
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x20
call fcn.005590c0
add esp, 0xc
mov dword [esi + 0x20], eax
test eax, eax
jne 0x58f08c
push 0x45
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x41
push 0x10a
push 0x10
call fcn.0054f020
push 0x46
push str.....openssl_1.1.0fcryptoececx_meth.c
push esi
call fcn.00541a70
add esp, 0x20
xor eax, eax
pop esi
pop edi
pop ebx
ret
cmp ebx, 2
jne 0x58f0db
push 0x20
push eax
call fcn.0054cfe0
add esp, 8
test eax, eax
jg 0x58f0c5
push 0x4b
push str.....openssl_1.1.0fcryptoececx_meth.c
push dword [esi + 0x20]
call fcn.005590b0
push 0x4c
push str.....openssl_1.1.0fcryptoececx_meth.c
push esi
call fcn.00541a70
add esp, 0x18
xor eax, eax
pop esi
pop edi
pop ebx
ret
mov eax, dword [esi + 0x20]
and byte [eax], 0xf8
mov eax, dword [esi + 0x20]
and byte [eax + 0x1f], 0x7f
mov eax, dword [esi + 0x20]
or byte [eax + 0x1f], 0x40
jmp 0x58f0e9
movups xmm0, xmmword [edi]
movups xmmword [eax], xmm0
movups xmm0, xmmword [edi + 0x10]
movups xmmword [eax + 0x10], xmm0
push dword [esi + 0x20]
push esi
call fcn.005ae5a0
add esp, 8
push esi
push 0x40a
push dword [esp + 0x18]
call fcn.00548790
add esp, 0xc
mov eax, 1
pop esi
pop edi
pop ebx
ret