joyce8/EMBER2024-capa huggingface dataset:
Function at 0x140033d00
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rbp
mov qword [rsp + 0x18], rsi
push rdi
sub rsp, 0x20
xor edi, edi
lea rax, [rcx + rdx]
mov rbp, rax
mov rbx, rcx
sub rbp, rcx
mov esi, 0x1505
cmp rcx, rax
cmova rbp, rdi
test rbp, rbp
je 0x1400339e3
movzx ecx, byte [rbx]
call fcn.140043f90
imul rsi, rsi, 0x21
movsx rcx, al
lea rbx, [rbx + 1]
xor rsi, rcx
inc rdi
cmp rdi, rbp
jb 0x1400339c4
mov rbx, qword [rsp + 0x30]
mov rbp, qword [rsp + 0x38]
movzx eax, sil
mov rsi, qword [rsp + 0x40]
add rsp, 0x20
pop rdi
ret
push rbx
sub rsp, 0x20
mov rbx, rcx
test rcx, rcx
je 0x140033d36
call fcn.140034100
test al, al
jne 0x140033d36
lea rdx, [rsp + 0x30]
mov rcx, rbx
call fcn.140034050
mov rdx, qword [rsp + 0x30]
mov rcx, rax
add rsp, 0x20
pop rbx
jmp 0x140033990
xor eax, eax
add rsp, 0x20
pop rbx
ret

Function at 0x140034600
Capabilities:
Convert ip address from string

Disassembly:
push rbx
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
sub rsp, 0x88
mov rax, qword [0x140099110]
xor rax, rsp
mov qword [rsp + 0x78], rax
mov r15, qword [rcx]
mov ebp, r8d
mov rsi, rcx
lea r8, [rsp + 0x20]
mov r13d, 2
xor ebx, ebx
mov ecx, r13d
mov r14, r9
mov r12, qword [r15 + 0x4e00]
mov rdi, rdx
mov dword [r9], ebx
call qword [sym.imp.WS2_32.dll_inet_pton]
test eax, eax
jle 0x14003466e
mov r9d, ebp
lea rdx, [rsp + 0x20]
mov r8, rdi
mov ecx, r13d
call fcn.14004f460
jmp 0x14003474c
lea r8, [rsp + 0x58]
mov rdx, rdi
mov ecx, reloc.WS2_32.dll_socket
call qword [sym.imp.WS2_32.dll_inet_pton]
test eax, eax
jle 0x14003469f
mov r9d, ebp
lea rdx, [rsp + 0x58]
mov r8, rdi
mov ecx, reloc.WS2_32.dll_socket
call fcn.14004f460
jmp 0x14003474c
mov ecx, dword [rsi + 0x400]
sub ecx, 1
je 0x1400346bf
cmp ecx, 1
jne 0x1400346b2
lea ebx, [rcx + 0x16]
call fcn.140035be0
test al, al
cmove ebx, r13d
jmp 0x1400346c2
mov ebx, r13d
xor eax, eax
lea r8, [0x1400775e8]
mov qword [rsp + 0x28], rax
lea rcx, [rsp + 0x68]
mov qword [rsp + 0x30], rax
mov r9d, ebp
mov qword [rsp + 0x38], rax
mov edx, ntohs
mov qword [rsp + 0x40], rax
mov qword [rsp + 0x48], rax
mov qword [rsp + 0x50], rax
mov eax, dword [rsi + 0xbc]
mov dword [rsp + 0x30], eax
mov dword [rsp + 0x2c], ebx
call fcn.140042c60
lea rcx, [rsp + 0x58]
call fcn.1400344f0
lea r9, [rsp + 0x28]
mov r8d, ebp
mov rdx, rdi
mov rcx, rsi
movups xmm0, xmmword [rax]
movups xmmword [r12], xmm0
call fcn.140034c30
test al, al
je 0x14003473b
mov dword [r14], 1
jmp 0x14003474a
lea rdx, str.getaddrinfo___thread_failed_to_start_n
mov rcx, r15
call fcn.1400400c0
xor eax, eax
mov rcx, qword [rsp + 0x78]
xor rcx, rsp
call fcn.14006e6d0
add rsp, 0x88
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
pop rbx
ret
jmp 0x140034600
Function at 0x1400403b0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push rbx
sub rsp, 0x20
mov rbx, r9
xor r9d, r9d
call qword [sym.imp.WS2_32.dll_recv]
movsxd rcx, eax
cmp rcx, 0xffffffffffffffff
jne 0x1400403eb
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ecx, gethostname
mov edx, 0x51
cmp eax, 0x2733
cmove ecx, edx
mov eax, ecx
add rsp, 0x20
pop rbx
ret
mov qword [rbx], rcx
xor eax, eax
add rsp, 0x20
pop rbx
ret

Function at 0x1400404f0
Capabilities:
Send data
Send data on socket

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rsi
mov qword [rsp + 0x18], rdi
push r14
sub rsp, 0x20
movsxd rax, edx
mov rdi, r9
mov rsi, r8
mov r14, rcx
mov rbx, qword [rcx + rax*8 + 0x238]
call fcn.140040ae0
xor r9d, r9d
mov r8d, edi
mov rdx, rsi
mov rcx, rbx
call qword [sym.imp.WS2_32.dll_send]
mov rsi, qword [rsp + 0x50]
movsxd rdi, eax
mov dword [rsi], 0
cmp rdi, 0xffffffffffffffff
jne 0x140040588
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ebx, eax
cmp eax, 0x2733
jne 0x14004055d
mov dword [rsi], 0x51
xor eax, eax
jmp 0x14004058b
mov edx, ebx
mov rcx, r14
call fcn.14002c9d0
mov rcx, qword [r14]
lea rdx, str.Send_failure:__s
mov r8, rax
call fcn.1400400c0
mov rcx, qword [r14]
mov dword [rcx + 0x4c9c], ebx
mov dword [rsi], gethostname
mov rax, rdi
mov rbx, qword [rsp + 0x30]
mov rsi, qword [rsp + 0x38]
mov rdi, qword [rsp + 0x40]
add rsp, 0x20
pop r14
ret

Function at 0x140040ae0
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rsi
push rdi
sub rsp, 0x20
mov rsi, rcx
movsxd rcx, edx
mov rax, qword [rsi + 0x3f0]
lea rbx, [rcx + 0x14]
shl rbx, 5
add rbx, rsi
mov rdi, qword [rbx + 8]
sub rdi, qword [rbx + 0x10]
test byte [rax + 0x7c], 3
je 0x140040bd4
lea rax, [0x140040430]
cmp qword [rsi + rcx*8 + 0x260], rax
jne 0x140040bd4
cmp qword [rbx], 0
je 0x140040b3d
test rdi, rdi
je 0x140040bd4
mov rdx, 0xffffffffffffffff
mov qword [rsp + 0x30], rbp
mov rbp, qword [rsi + rcx*8 + 0x238]
xor r9d, r9d
mov rcx, rbp
mov r8, rdx
call fcn.14003fbe0
cmp eax, 0xffffffff
je 0x140040bcf
test al, 1
je 0x140040bcf
mov rax, qword [rbx]
test rax, rax
jne 0x140040ba4
mov rax, qword [rsi]
mov ecx, dword [rax + 0x6f8]
add ecx, ecx
movsxd rcx, ecx
mov qword [rbx + 8], rcx
call qword [sub.api_ms_win_crt_heap_l1_1_0.dll_malloc]
mov rdi, qword [rbx + 8]
mov qword [rbx], rax
mov qword [rbx + 0x10], 0
mov qword [rbx + 0x18], 0
test rax, rax
je 0x140040bc7
mov rdx, qword [rbx + 0x10]
xor r9d, r9d
add rdx, rax
mov r8d, edi
mov rcx, rbp
call qword [sym.imp.WS2_32.dll_recv]
movsxd rcx, eax
test eax, eax
jle 0x140040bcf
add qword [rbx + 0x10], rcx
jmp 0x140040bcf
mov qword [rbx + 8], 0
mov rbp, qword [rsp + 0x30]
mov rbx, qword [rsp + 0x38]
mov rsi, qword [rsp + 0x40]
add rsp, 0x20
pop rdi
ret
Function at 0x140040bf0
Capabilities:
Write file on windows

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rbp
mov qword [rsp + 0x18], rsi
push rdi
sub rsp, 0x30
cmp qword [rcx + 0x2b8], 0
mov rsi, r9
mov rbp, r8
movsxd rbx, edx
mov rdi, rcx
je 0x140040c4e
mov dl, 1
call fcn.14002fcf0
mov rax, qword [rdi + 0x208]
mov r9, rsi
mov r8, rbp
mov qword [rsp + 0x20], rax
mov edx, ebx
mov rcx, rdi
call qword [rdi + 0x2b8]
xor edx, edx
mov rcx, rdi
mov ebx, eax
call fcn.14002fcf0
mov eax, ebx
jmp 0x140040c90
cmp ebx, 2
ja 0x140040c8e
mov r9, qword [rdi + 0x200]
lea rdx, [0x140078ae8]
lea rcx, [rbx + rbx*2]
add rcx, rdx
mov edx, 2
lea r8d, [rdx - 1]
call sub.api_ms_win_crt_stdio_l1_1_0.dll_fwrite
mov r9, qword [rdi + 0x200]
mov r8d, 1
mov rdx, rsi
mov rcx, rbp
call sub.api_ms_win_crt_stdio_l1_1_0.dll_fwrite
xor eax, eax
mov rbx, qword [rsp + 0x40]
mov rbp, qword [rsp + 0x48]
mov rsi, qword [rsp + 0x50]
add rsp, 0x30
pop rdi
ret

Function at 0x140040db0
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub rsp, 0x28
cmp byte [rcx + 0x2c0], 0
je 0x140040dcd
call fcn.1400389e0
test eax, eax
jne 0x140040df3
xor al, al
add rsp, 0x28
ret
mov rcx, qword [rcx + 0x238]
cmp rcx, 0xffffffffffffffff
je 0x140040dc6
mov r9d, 2
lea rdx, [rsp + 0x30]
lea r8d, [r9 - 1]
call qword [sym.imp.WS2_32.dll_recv]
test eax, eax
je 0x140040dc6
mov al, 1
add rsp, 0x28
ret

Function at 0x1400417d0
Capabilities:
Set socket configuration

Disassembly:
mov qword [rsp + 0x10], rbx
push rdi
sub rsp, 0x30
mov rbx, qword [rcx]
lea r9, [rsp + 0x40]
mov rax, rdx
mov dword [rsp + 0x40], 1
mov edx, 6
mov dword [rsp + 0x20], 4
mov rdi, rcx
mov rcx, rax
lea r8d, [rdx - 5]
call qword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x14004183b
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov edx, eax
mov rcx, rdi
call fcn.14002c9d0
mov r8, rax
lea rdx, str.Could_not_set_TCP_NODELAY:__s_n
mov rcx, rbx
call fcn.1400401d0
mov rbx, qword [rsp + 0x48]
add rsp, 0x30
pop rdi
ret
lea rdx, str.TCP_NODELAY_set_n
mov rcx, rbx
call fcn.1400401d0
mov rbx, qword [rsp + 0x48]
add rsp, 0x30
pop rdi
ret
Function at 0x140041970
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push rbx
push rbp
push rsi
sub rsp, 0x140
mov rax, qword [0x140099110]
xor rax, rsp
mov qword [rsp + 0x130], rax
cmp dword [rcx + 0xbc], 2
mov rbx, rdx
mov rbp, qword [rcx]
mov rsi, rcx
je 0x140041b57
cmp byte [rcx + 0x3aa], 0
mov qword [rsp + 0x170], rdi
jne 0x140041b47
cmp byte [rcx + 0x3c6], 0
jne 0x140041b47
lea r8, [rsp + 0x20]
mov dword [rsp + 0x20], 0x80
lea rdx, [rsp + 0xb0]
mov rcx, rbx
call qword [sym.imp.WS2_32.dll_getpeername]
test eax, eax
je 0x140041a13
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov edx, eax
mov rcx, rsi
mov ebx, eax
call fcn.14002c9d0
mov r9, rax
lea rdx, str.getpeername___failed_with_errno__d:__s
mov r8d, ebx
mov rcx, rbp
call fcn.1400400c0
jmp 0x140041b4f
xor edx, edx
mov dword [rsp + 0x20], 0x80
mov r8d, 0x80
lea rcx, [rsp + 0x30]
call sub.VCRUNTIME140.dll_memset
lea r8, [rsp + 0x20]
mov rcx, rbx
lea rdx, [rsp + 0x30]
call qword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x140041a70
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov edx, eax
mov rcx, rsi
mov ebx, eax
call fcn.14002c9d0
mov r9, rax
lea rdx, str.getsockname___failed_with_errno__d:__s
mov r8d, ebx
mov rcx, rbp
call fcn.1400400c0
jmp 0x140041b4f
lea rbx, [rsi + 0x186]
mov rdx, rbx
lea r8, [rsi + 0x1b4]
lea rcx, [rsp + 0xb0]
call fcn.140040fa0
test al, al
jne 0x140041ac5
call sub.api_ms_win_crt_runtime_l1_1_0.dll__errno
mov ebx, dword [rax]
call sub.api_ms_win_crt_runtime_l1_1_0.dll__errno
mov edx, ebx
mov rcx, rsi
mov rdi, rax
call fcn.14002c9d0
mov r8d, dword [rdi]
lea rdx, str.ssrem_inet_ntop___failed_with_errno__d:__s
mov r9, rax
mov rcx, rbp
call fcn.1400400c0
jmp 0x140041b4f
movups xmm0, xmmword [rbx]
mov eax, dword [rbx + 0x28]
lea r8, [rsi + 0x1e8]
movups xmm1, xmmword [rbx + 0x10]
lea rdx, [rsi + 0x1b8]
movups xmmword [rsi + 0x88], xmm0
lea rcx, [rsp + 0x30]
movsd xmm0, qword [rbx + 0x20]
movups xmmword [rsi + 0x98], xmm1
movsd qword [rsi + 0xa8], xmm0
mov dword [rsi + 0xb0], eax
movzx eax, word [rbx + 0x2c]
mov word [rsi + 0xb4], ax
call fcn.140040fa0
test al, al
jne 0x140041b47
call sub.api_ms_win_crt_runtime_l1_1_0.dll__errno
mov ebx, dword [rax]
call sub.api_ms_win_crt_runtime_l1_1_0.dll__errno
mov edx, ebx
mov rcx, rsi
mov rdi, rax
call fcn.14002c9d0
mov r8d, dword [rdi]
lea rdx, str.ssloc_inet_ntop___failed_with_errno__d:__s
mov r9, rax
mov rcx, rbp
call fcn.1400400c0
jmp 0x140041b4f
mov rcx, rsi
call fcn.140041530
mov rdi, qword [rsp + 0x170]
mov rcx, qword [rsp + 0x130]
xor rcx, rsp
call fcn.14006e6d0
add rsp, 0x140
pop rsi
pop rbp
pop rbx
ret
Function at 0x140042350
Capabilities:
Set socket configuration

Disassembly:
mov qword [rsp + 0x18], rbx
mov qword [rsp + 0x20], rsi
push rdi
sub rsp, 0x70
mov rax, qword [0x140099110]
xor rax, rsp
mov qword [rsp + 0x68], rax
xor esi, esi
mov dword [rsp + 0x20], 4
mov eax, esi
lea r9, [rsp + 0x50]
cmp byte [rcx + 0x99c], al
mov rdi, rdx
mov rbx, rcx
mov edx, 0xffff
setne al
lea r8d, [rsi + 8]
mov rcx, rdi
mov dword [rsp + 0x50], eax
call qword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x1400423bf
mov r8, rdi
lea rdx, str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
mov rcx, rbx
call fcn.1400401d0
jmp 0x14004244e
mov ecx, dword [rbx + 0x9a0]
mov dword [rsp + 0x58], 1
call fcn.140042660
imul ecx, eax, 0x3e8
mov dword [rsp + 0x50], ecx
mov dword [rsp + 0x5c], ecx
mov ecx, dword [rbx + 0x9a4]
call fcn.140042660
imul ecx, eax, 0x3e8
lea r8, [rsp + 0x58]
mov qword [rsp + 0x40], rsi
lea rax, [rsp + 0x54]
mov qword [rsp + 0x38], rsi
mov r9d, ntohs
mov qword [rsp + 0x30], rax
mov edx, 0x98000004
mov dword [rsp + 0x28], esi
mov dword [rsp + 0x50], ecx
mov dword [rsp + 0x60], ecx
mov rcx, rdi
mov qword [rsp + 0x20], rsi
call qword [sym.imp.WS2_32.dll_WSAIoctl]
test eax, eax
je 0x14004244e
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, edi
lea rdx, str.Failed_to_set_SIO_KEEPALIVE_VALS_on_fd__d:__d_n
mov r9d, eax
mov rcx, rbx
call fcn.1400401d0
mov rcx, qword [rsp + 0x68]
xor rcx, rsp
call fcn.14006e6d0
lea r11, [rsp + 0x70]
mov rbx, qword [r11 + 0x20]
mov rsi, qword [r11 + 0x28]
mov rsp, r11
pop rdi
ret

Function at 0x140042620
Capabilities:
Read file on windows

Disassembly:
mov qword [rsp + 8], rbx
push rdi
sub rsp, 0x20
mov edi, ecx
mov rbx, rdx
mov rcx, r8
call fcn.140042670
mov r8d, eax
mov rdx, rbx
mov ecx, edi
call sub.api_ms_win_crt_stdio_l1_1_0.dll__read
mov rbx, qword [rsp + 0x30]
cdqe
add rsp, 0x20
pop rdi
ret
Function at 0x140044fd0
Capabilities:
Convert ip address from string

Disassembly:
push rbx
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
sub rsp, 0x88
mov rax, qword [0x140099110]
xor rax, rsp
mov qword [rsp + 0x78], rax
mov r15, qword [rcx]
mov ebp, r8d
mov rsi, rcx
lea r8, [rsp + 0x20]
mov r13d, 2
xor ebx, ebx
mov ecx, r13d
mov r14, r9
mov r12, qword [r15 + 0x4e00]
mov rdi, rdx
mov dword [r9], ebx
call qword [sym.imp.WS2_32.dll_inet_pton]
test eax, eax
jle 0x14003466e
mov r9d, ebp
lea rdx, [rsp + 0x20]
mov r8, rdi
mov ecx, r13d
call fcn.14004f460
jmp 0x14003474c
lea r8, [rsp + 0x58]
mov rdx, rdi
mov ecx, reloc.WS2_32.dll_socket
call qword [sym.imp.WS2_32.dll_inet_pton]
test eax, eax
jle 0x14003469f
mov r9d, ebp
lea rdx, [rsp + 0x58]
mov r8, rdi
mov ecx, reloc.WS2_32.dll_socket
call fcn.14004f460
jmp 0x14003474c
mov ecx, dword [rsi + 0x400]
sub ecx, 1
je 0x1400346bf
cmp ecx, 1
jne 0x1400346b2
lea ebx, [rcx + 0x16]
call fcn.140035be0
test al, al
cmove ebx, r13d
jmp 0x1400346c2
mov ebx, r13d
xor eax, eax
lea r8, [0x1400775e8]
mov qword [rsp + 0x28], rax
lea rcx, [rsp + 0x68]
mov qword [rsp + 0x30], rax
mov r9d, ebp
mov qword [rsp + 0x38], rax
mov edx, ntohs
mov qword [rsp + 0x40], rax
mov qword [rsp + 0x48], rax
mov qword [rsp + 0x50], rax
mov eax, dword [rsi + 0xbc]
mov dword [rsp + 0x30], eax
mov dword [rsp + 0x2c], ebx
call fcn.140042c60
lea rcx, [rsp + 0x58]
call fcn.1400344f0
lea r9, [rsp + 0x28]
mov r8d, ebp
mov rdx, rdi
mov rcx, rsi
movups xmm0, xmmword [rax]
movups xmmword [r12], xmm0
call fcn.140034c30
test al, al
je 0x14003473b
mov dword [r14], 1
jmp 0x14003474a
lea rdx, str.getaddrinfo___thread_failed_to_start_n
mov rcx, r15
call fcn.1400400c0
xor eax, eax
mov rcx, qword [rsp + 0x78]
xor rcx, rsp
call fcn.14006e6d0
add rsp, 0x88
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
pop rbx
ret
jmp 0x140034600
Function at 0x14004f110
Capabilities:
Resolve dns

Disassembly:
push rsi
push r12
push r13
push r14
push r15
sub rsp, 0x20
xor r13d, r13d
mov r12, r9
mov qword [r9], r13
mov esi, r13d
lea r9, [rsp + 0x68]
mov r15d, r13d
call qword [sym.imp.WS2_32.dll_getaddrinfo]
mov r14d, eax
test eax, eax
jne 0x14004f2ae
mov qword [rsp + 0x60], rdi
mov rdi, qword [rsp + 0x68]
test rdi, rdi
je 0x14004f293
mov qword [rsp + 0x50], rbx
mov qword [rsp + 0x58], rbp
mov eax, dword [rdi + 4]
cmp eax, 2
jne 0x14004f16d
lea ebp, [rax + 0xe]
jmp 0x14004f179
cmp eax, 0x17
jne 0x14004f221
lea ebp, [rax + 5]
cmp qword [rdi + 0x20], r13
je 0x14004f221
mov rax, qword [rdi + 0x10]
test rax, rax
je 0x14004f221
cmp rax, rbp
jb 0x14004f221
mov ecx, Ordinal_50
call qword [sub.api_ms_win_crt_heap_l1_1_0.dll_malloc]
mov rbx, rax
test rax, rax
je 0x14004f25c
mov eax, dword [rdi]
mov rcx, rbp
mov dword [rbx], eax
mov eax, dword [rdi + 4]
mov dword [rbx + 4], eax
mov eax, dword [rdi + 8]
mov dword [rbx + 8], eax
mov eax, dword [rdi + 0xc]
mov dword [rbx + 0xc], eax
mov dword [rbx + 0x10], ebp
mov qword [rbx + 0x20], r13
mov qword [rbx + 0x18], r13
mov qword [rbx + 0x28], r13
call qword [sub.api_ms_win_crt_heap_l1_1_0.dll_malloc]
mov qword [rbx + 0x20], rax
test rax, rax
je 0x14004f24b
mov rdx, qword [rdi + 0x20]
mov r8, rbp
mov rcx, rax
call sub.VCRUNTIME140.dll_memcpy
mov rcx, qword [rdi + 0x18]
test rcx, rcx
je 0x14004f20e
call qword [case.0x1400343b9.0]
mov qword [rbx + 0x18], rax
test rax, rax
je 0x14004f230
test rsi, rsi
cmove rsi, rbx
test r15, r15
je 0x14004f21e
mov qword [r15 + 0x28], rbx
mov r15, rbx
mov rdi, qword [rdi + 0x28]
test rdi, rdi
jne 0x14004f160
jmp 0x14004f262
mov rcx, qword [rbx + 0x20]
mov r14d, 8
call qword [0x140099030]
mov rcx, rbx
call qword [0x140099030]
jmp 0x14004f262
mov rcx, rbx
mov r14d, 8
call qword [0x140099030]
jmp 0x14004f262
mov r14d, 8
mov rcx, qword [rsp + 0x68]
mov rbp, qword [rsp + 0x58]
mov rbx, qword [rsp + 0x50]
test rcx, rcx
je 0x14004f27c
call qword [sym.imp.WS2_32.dll_freeaddrinfo]
test r14d, r14d
je 0x14004f28e
mov rcx, rsi
call fcn.14004f0c0
mov rsi, r13
jmp 0x14004f2a2
test rsi, rsi
jne 0x14004f2a2
mov r14d, 0x2af9
mov ecx, r14d
call qword [sym.imp.WS2_32.dll_WSASetLastError]
mov rdi, qword [rsp + 0x60]
mov eax, r14d
mov qword [r12], rsi
add rsp, 0x20
pop r15
pop r14
pop r13
pop r12
pop rsi
ret
Function at 0x14004fd90
Capabilities:
Get common file path

Disassembly:
push rbx
push rbp
push rdi
sub rsp, 0x20
mov rbx, rcx
xor ebp, ebp
lea rcx, str.kernel32
call qword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov rdi, rax
test rax, rax
jne 0x14004fdba
add rsp, 0x20
pop rdi
pop rbp
pop rbx
ret
lea rdx, [0x14007b078]
mov qword [rsp + 0x48], r14
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_GetProcAddress]
lea rdx, [0x14007b088]
mov rcx, rbx
mov r14, rax
call sub.api_ms_win_crt_multibyte_l1_1_0.dll__mbspbrk
test rax, rax
je 0x14004fe1d
mov rcx, rbx
test r14, r14
je 0x14004fe07
xor edx, edx
lea r8d, [rdx + 8]
call r14
mov r14, qword [rsp + 0x48]
mov rbp, rax
add rsp, 0x20
pop rdi
pop rbp
pop rbx
ret
call qword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov r14, qword [rsp + 0x48]
mov rbp, rax
add rsp, 0x20
pop rdi
pop rbp
pop rbx
ret
test r14, r14
je 0x14004fe55
lea rdx, str.AddDllDirectory
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_GetProcAddress]
test rax, rax
je 0x14004fe55
xor edx, edx
mov r8d, 0x800
mov rcx, rbx
call r14
mov r14, qword [rsp + 0x48]
mov rbp, rax
add rsp, 0x20
pop rdi
pop rbp
pop rbx
ret
xor edx, edx
mov qword [rsp + 0x50], r15
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
mov r15d, eax
test eax, eax
je 0x14004ff18
mov qword [rsp + 0x40], rsi
mov rsi, 0xffffffffffffffff
mov rdx, rsi
nop
inc rdx
cmp byte [rbx + rdx], bpl
jne 0x14004fe80
lea ecx, [rax + 1]
add rcx, rdx
call qword [sub.api_ms_win_crt_heap_l1_1_0.dll_malloc]
mov rdi, rax
test rax, rax
je 0x14004ff0a
mov edx, r15d
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x14004ff0a
mov rax, rsi
cmp byte [rdi + rax + 1], bpl
lea rax, [rax + 1]
jne 0x14004feb0
mov ecx, 0x5c
mov word [rax + rdi], cx
inc rsi
cmp byte [rdi + rsi], bpl
jne 0x14004fec4
mov rcx, rdi
sub rcx, rbx
add rcx, rsi
nop word [rax + rax]
movzx eax, byte [rbx]
mov byte [rcx + rbx], al
lea rbx, [rbx + 1]
test al, al
jne 0x14004fee0
mov rcx, rdi
test r14, r14
je 0x14004ff01
xor edx, edx
lea r8d, [rdx + 8]
call r14
jmp 0x14004ff07
call qword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov rbp, rax
mov rcx, rdi
call qword [0x140099030]
mov rsi, qword [rsp + 0x40]
mov r15, qword [rsp + 0x50]
mov rax, rbp
mov r14, qword [rsp + 0x48]
add rsp, 0x20
pop rdi
pop rbp
pop rbx
ret
Function at 0x140052a60
Capabilities:
Query environment variable

Disassembly:
sub rsp, 0x148
mov rax, qword [0x140099110]
xor rax, rsp
mov qword [rsp + 0x130], rax
call sub.api_ms_win_crt_environment_l1_1_0.dll_getenv
mov byte [rsp + 0x20], 0
test rax, rax
je 0x140052ac6
mov r8d, 0x104
lea rdx, [rsp + 0x20]
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [rsp + 0x20], 0
je 0x140052ac6
lea rcx, [rsp + 0x20]
call qword [case.0x1400343b9.0]
mov rcx, qword [rsp + 0x130]
xor rcx, rsp
call fcn.14006e6d0
add rsp, 0x148
ret
xor eax, eax
mov rcx, qword [rsp + 0x130]
xor rcx, rsp
call fcn.14006e6d0
add rsp, 0x148
ret
jmp 0x140052a60

Function at 0x140052ae0
Capabilities:
Query environment variable

Disassembly:
sub rsp, 0x148
mov rax, qword [0x140099110]
xor rax, rsp
mov qword [rsp + 0x130], rax
call sub.api_ms_win_crt_environment_l1_1_0.dll_getenv
mov byte [rsp + 0x20], 0
test rax, rax
je 0x140052ac6
mov r8d, 0x104
lea rdx, [rsp + 0x20]
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [rsp + 0x20], 0
je 0x140052ac6
lea rcx, [rsp + 0x20]
call qword [case.0x1400343b9.0]
mov rcx, qword [rsp + 0x130]
xor rcx, rsp
call fcn.14006e6d0
add rsp, 0x148
ret
xor eax, eax
mov rcx, qword [rsp + 0x130]
xor rcx, rsp
call fcn.14006e6d0
add rsp, 0x148
ret
jmp 0x140052a60

Function at 0x140053fc0
Capabilities:
Initialize winsock library

Disassembly:
push rbx
sub rsp, 0x1d0
mov rax, qword [0x140099110]
xor rax, rsp
mov qword [rsp + 0x1c0], rax
mov rbx, rcx
lea rdx, [rsp + 0x20]
mov ecx, 2
call qword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x140054006
mov r8d, eax
lea rdx, str.WSAStartup_failed___d_
mov rcx, rbx
call fcn.1400400c0
jmp 0x140054030
call qword [sym.imp.WS2_32.dll_WSACleanup]
movzx eax, word [rsp + 0x20]
cmp al, 2
jne 0x140054021
shr ax, 8
test al, al
jne 0x140054021
xor eax, eax
jmp 0x140054035
lea rdx, str.insufficient_winsock_version_to_support_telnet
mov rcx, rbx
call fcn.1400400c0
mov eax, 2
mov rcx, qword [rsp + 0x1c0]
xor rcx, rsp
call fcn.14006e6d0
add rsp, 0x1d0
pop rbx
ret
Function at 0x140054760
Capabilities:
Send data
Send data on socket

Disassembly:
mov rax, qword [rcx]
mov r11, rcx
movsxd r10, edx
mov r9, qword [rax + 0x1f8]
mov r8d, dword [r9 + r10*4 + 8]
sub r8d, 1
je 0x1400547e4
sub r8d, 1
je 0x1400547bb
cmp r8d, 1
jne 0x1400547f8
mov ecx, dword [r9 + r10*4 + 0x408]
test ecx, ecx
je 0x1400547dc
cmp ecx, r8d
jne 0x1400547f8
xor eax, eax
mov dword [r9 + r10*4 + 8], 2
mov r8d, edx
mov dword [r9 + r10*4 + 0x408], eax
mov edx, 0xfb
mov rcx, r11
jmp fcn.140054980
mov ecx, dword [r9 + r10*4 + 0x408]
test ecx, ecx
je 0x1400547dc
cmp ecx, 1
jne 0x1400547f8
xor eax, eax
mov dword [r9 + r10*4 + 8], eax
mov dword [r9 + r10*4 + 0x408], eax
ret
xor eax, eax
mov dword [r9 + r10*4 + 8], eax
ret
xor eax, eax
mov r8d, edx
mov edx, 0xfc
mov dword [r9 + r10*4 + 8], eax
jmp fcn.140054980
ret

Function at 0x140054800
Capabilities:
Send data
Send data on socket

Disassembly:
mov rax, qword [rcx]
mov r11, rcx
movsxd r10, edx
mov r9, qword [rax + 0x1f8]
mov r8d, dword [r9 + r10*4 + 0xc08]
test r8d, r8d
je 0x1400548a7
sub r8d, 2
je 0x140054860
cmp r8d, 1
jne 0x140054899
mov ecx, dword [r9 + r10*4 + 0x1008]
test ecx, ecx
je 0x140054853
cmp ecx, r8d
jne 0x140054899
mov dword [r9 + r10*4 + 0xc08], r8d
mov dword [r9 + r10*4 + 0x1008], 0
ret
mov dword [r9 + r10*4 + 0xc08], 0
ret
mov ecx, dword [r9 + r10*4 + 0x1008]
test ecx, ecx
je 0x14005489a
cmp ecx, 1
jne 0x140054899
mov dword [r9 + r10*4 + 0xc08], 3
mov rcx, r11
mov dword [r9 + r10*4 + 0x1008], 0
mov r8d, edx
mov edx, 0xfe
jmp fcn.140054980
ret
mov dword [r9 + r10*4 + 0xc08], 1
ret
cmp dword [r9 + r10*4 + 0x1408], 1
jne 0x14005488c
mov r8d, edx
mov dword [r9 + r10*4 + 0xc08], 1
mov edx, 0xfd
jmp fcn.140054980

Function at 0x1400548d0
Capabilities:
Send data
Send data on socket

Disassembly:
mov rax, qword [rcx]
mov r11, rcx
movsxd r10, edx
mov r9, qword [rax + 0x1f8]
mov r8d, dword [r9 + r10*4 + 0xc08]
sub r8d, 1
je 0x140054960
sub r8d, 1
je 0x140054931
cmp r8d, 1
jne 0x140054977
mov ecx, dword [r9 + r10*4 + 0x1008]
test ecx, ecx
je 0x140054955
cmp ecx, r8d
jne 0x140054977
xor eax, eax
mov dword [r9 + r10*4 + 0xc08], 2
mov r8d, edx
mov dword [r9 + r10*4 + 0x1008], eax
mov edx, 0xfd
mov rcx, r11
jmp fcn.140054980
mov ecx, dword [r9 + r10*4 + 0x1008]
test ecx, ecx
je 0x140054955
cmp ecx, 1
jne 0x140054977
xor eax, eax
mov dword [r9 + r10*4 + 0xc08], eax
mov dword [r9 + r10*4 + 0x1008], eax
ret
xor eax, eax
mov dword [r9 + r10*4 + 0xc08], eax
ret
xor eax, eax
mov r8d, edx
mov edx, 0xfe
mov dword [r9 + r10*4 + 0xc08], eax
jmp fcn.140054980
ret
Function at 0x140054980
Capabilities:
Send data
Send data on socket

Disassembly:
mov rax, rsp
mov qword [rax + 8], rbx
mov qword [rax + 0x18], rbp
mov qword [rax + 0x20], rsi
push rdi
sub rsp, 0x20
mov rbp, qword [rcx]
mov edi, r8d
mov esi, edx
mov byte [rax + 0x10], 0xff
xor r9d, r9d
mov byte [rax + 0x11], sil
mov rbx, rcx
mov byte [rax + 0x12], dil
mov rcx, qword [rcx + 0x238]
lea rdx, [rax + 0x10]
lea r8d, [r9 + 3]
call qword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x1400549df
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
lea rdx, str.Sending_data_failed___d_
mov rcx, rbp
mov r8d, eax
call fcn.1400400c0
mov rcx, qword [rbx]
lea rdx, str.SENT
mov r9d, edi
mov r8d, esi
call fcn.140054160
mov rbx, qword [rsp + 0x30]
mov rbp, qword [rsp + 0x40]
mov rsi, qword [rsp + 0x48]
add rsp, 0x20
pop rdi
ret