joyce8/EMBER2024-capa huggingface dataset:
Function at 0x1400457b0
Capabilities:
Hash data with crc32

Disassembly:
mov qword [rsp + 8], rbx
push rdi
sub rsp, 0x40
mov rax, qword [0x140127840]
xor rax, rsp
mov qword [rsp + 0x30], rax
mov rbx, qword [0x1401420d8]
mov edi, ecx
cmp byte [rbx + 0x4a4d], 0
jne 0x140045811
cmp byte [rbx + 0x4a4e], 0
jne 0x140045811
movsx r9d, word [rbx + 0x5b72]
lea r8, str.Tooltip__02d
mov edx, reloc.WS2_32.dll_recv
lea rcx, [rsp + 0x20]
call fcn.140034d70
test dil, 1
je 0x14004593f
jmp 0x14004589b
vmovss xmm1, dword [rbx + 0x38c0]
vmovss xmm0, dword [0x14010e778]
vfmadd213ss xmm0, xmm1, dword [rbx + 0xe0c]
vmovss xmm2, dword [0x14010e7a0]
vfmadd213ss xmm2, xmm1, dword [rbx + 0xe08]
movsx r9d, word [rbx + 0x5b72]
lea r8, str.Tooltip__02d
xor eax, eax
mov dword [rbx + 0x47a4], 1
vmovss dword [rbx + 0x47b0], xmm2
vmovss dword [rbx + 0x47b4], xmm0
mov qword [rbx + 0x47b8], rax
lea rcx, [rsp + 0x20]
vmovss xmm0, dword [rbx + 0x391c]
vmulss xmm1, xmm0, dword [0x14010e644]
or dword [rbx + 0x47a0], 0x41
mov edx, reloc.WS2_32.dll_recv
vmovss dword [rbx + 0x4800], xmm1
call fcn.140034d70
movzx r9d, byte [rsp + 0x20]
lea r8, [rsp + 0x21]
mov r10d, 0xffffffff
mov ecx, r10d
test r9b, r9b
je 0x1400458f0
lea r11, [0x140106470]
nop dword [rax + rax]
cmp r9b, 0x23
jne 0x1400458d3
cmp byte [r8], r9b
jne 0x1400458d3
cmp byte [r8 + 1], r9b
cmove ecx, r10d
movzx edx, cl
movzx eax, r9b
movzx r9d, byte [r8]
xor rdx, rax
shr ecx, 8
inc r8
xor ecx, dword [r11 + rdx*4]
test r9b, r9b
jne 0x1400458c0
not ecx
call fcn.14003c930
test rax, rax
je 0x14004593f
cmp byte [rax + 0xb6], 0
je 0x14004593f
mov byte [rax + 0xbb], 1
lea r8, str.Tooltip__02d
mov byte [rax + 0xbd], 1
lea rcx, [rsp + 0x20]
mov byte [rax + 0xd8], 1
mov edx, reloc.WS2_32.dll_recv
inc word [rbx + 0x5b72]
movsx r9d, word [rbx + 0x5b72]
call fcn.140034d70
xor edx, edx
lea rcx, [rsp + 0x20]
mov r8d, 0x20c0347
call fcn.14003ed20
mov al, 1
mov rcx, qword [rsp + 0x30]
xor rcx, rsp
call fcn.1400e75a0
mov rbx, qword [rsp + 0x50]
add rsp, 0x40
pop rdi
ret
Function at 0x14004b2d0
Capabilities:
Write file on windows

Disassembly:
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rbp
mov qword [rsp + 0x20], rsi
push rdi
sub rsp, 0x20
cmp qword [rcx + 0x5c58], 0
lea rbx, [rcx + 0x5c60]
mov rsi, r8
mov rbp, rdx
mov rdi, rcx
je 0x14004b377
mov r9d, dword [rbx + 4]
mov qword [rsp + 0x30], r14
xor r14d, r14d
test r9d, r9d
jns 0x14004b32a
mov eax, r9d
mov rcx, rbx
cdq
sub eax, edx
mov edx, r14d
sar eax, 1
add eax, r9d
test eax, eax
cmovg edx, eax
call fcn.14004d820
mov r8, rsi
mov dword [rbx], r14d
mov rdx, rbp
mov rcx, rbx
call fcn.1400358c0
mov eax, dword [rbx]
mov edx, 1
mov r9, qword [rdi + 0x5c58]
test eax, eax
lea ecx, [rax - 1]
mov rax, qword [rdi + 0x5c68]
cmove ecx, r14d
test rax, rax
movsxd r8, ecx
lea rcx, [0x1401420c9]
cmovne rcx, rax
call qword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
mov r14, qword [rsp + 0x30]
jmp 0x14004b37f
mov rcx, rbx
call fcn.1400358c0
mov rbx, qword [rsp + 0x38]
mov rbp, qword [rsp + 0x40]
mov rsi, qword [rsp + 0x48]
add rsp, 0x20
pop rdi
ret

Function at 0x14004b7f0
Capabilities:
Hash data with crc32

Disassembly:
sub rsp, 8
movzx r9d, byte [rcx]
lea r8, [rcx + 1]
mov r10, qword [0x1401420d8]
mov r11d, 0xffffffff
mov eax, r11d
test r9b, r9b
je 0x14004b853
mov qword [rsp], rbx
lea rbx, [0x140106470]
nop dword [rax]
cmp r9b, 0x23
jne 0x14004b833
cmp byte [r8], r9b
jne 0x14004b833
cmp byte [r8 + 1], r9b
cmove eax, r11d
movzx edx, al
movzx ecx, r9b
movzx r9d, byte [r8]
xor rdx, rcx
shr eax, 8
inc r8
xor eax, dword [rbx + rdx*4]
test r9b, r9b
jne 0x14004b820
mov rbx, qword [rsp]
movsxd rcx, dword [r10 + 0x5bd0]
xor r8d, r8d
not eax
test ecx, ecx
jle 0x14004b887
mov r10, qword [r10 + 0x5bd8]
mov r9, rcx
mov edx, r8d
lea rcx, [r10 + 8]
cmp dword [rcx], eax
je 0x14004b88e
inc r8d
inc rdx
add rcx, 0x48
cmp rdx, r9
jl 0x14004b874
xor eax, eax
add rsp, 8
ret
movsxd rax, r8d
lea rcx, [rax + rax*8]
lea rax, [r10 + rcx*8]
add rsp, 8
ret
Function at 0x140088cd0
Capabilities:
Read file on windows

Disassembly:
sub rsp, 0x28
call sub.api_ms_win_crt_stdio_l1_1_0.dll__read
cdqe
add rsp, 0x28
ret
Function at 0x14008ed50
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
push rbx
sub rsp, 0x20
mov rbx, rcx
test rcx, rcx
je 0x14008ee32
call fcn.1400ab490
test al, al
jne 0x14008ee32
mov qword [rsp + 0x30], rsi
xor esi, esi
mov qword [rsp + 0x38], rdi
mov rdi, 0xffffffffffffffff
inc rdi
cmp byte [rbx + rdi], sil
jne 0x14008ed82
mov r8, rdi
mov edx, reloc.WLDAP32.dll_Ordinal_46
mov rcx, rbx
call fcn.1400b5190
test rax, rax
je 0x14008edc7
sub rax, rbx
mov edx, reloc.WLDAP32.dll_Ordinal_46
mov r8, rax
mov rcx, rbx
call fcn.1400b5190
mov rsi, rax
test rax, rax
je 0x14008edc7
inc rsi
mov rcx, rbx
sub rcx, rsi
add rdi, rcx
test rsi, rsi
cmovne rbx, rsi
lea rsi, [rbx + rdi]
mov edi, 0x1505
cmp rbx, rsi
jae 0x14008edfb
nop dword [rax]
movzx ecx, byte [rbx]
call fcn.1400a5fc0
imul rdi, rdi, 0x21
movsx rcx, al
inc rbx
xor rdi, rcx
cmp rbx, rsi
jb 0x14008ede0
mov rsi, qword [rsp + 0x30]
mov rcx, rdi
movabs rax, 0x410410410410411
mul rdi
sub rcx, rdx
shr rcx, 1
add rcx, rdx
shr rcx, 5
imul rcx, rcx, 0x3f
sub rdi, rcx
mov rax, rdi
mov rdi, qword [rsp + 0x38]
add rsp, 0x20
pop rbx
ret
xor eax, eax
add rsp, 0x20
pop rbx
ret
Function at 0x14009e0a0
Capabilities:
Write file on windows

Disassembly:
mov qword [rsp + 0x10], rbp
mov qword [rsp + 0x18], rsi
mov qword [rsp + 0x20], rdi
push r14
sub rsp, 0x30
cmp byte [rcx + 0xa5e], 0
mov rbp, r9
mov r14, r8
movsxd rsi, edx
mov rdi, rcx
je 0x14009e16b
cmp qword [rcx + 0x270], 0
je 0x14009e11e
mov qword [rsp + 0x40], rbx
call fcn.140089190
mov dl, 1
mov rcx, rdi
movzx ebx, al
call fcn.140089ba0
mov rcx, qword [rdi + 0x1e8]
mov r9, rbp
mov qword [rsp + 0x20], rcx
mov r8, r14
mov rcx, rdi
mov edx, esi
call qword [rdi + 0x270]
movzx edx, bl
mov rcx, rdi
call fcn.140089ba0
mov rbx, qword [rsp + 0x40]
jmp 0x14009e16b
mov ecx, esi
test edx, edx
je 0x14009e12e
sub ecx, 1
je 0x14009e12e
cmp ecx, 1
jne 0x14009e16b
mov r9, qword [rdi + 0x1e0]
lea rax, [0x1400f7858]
lea rcx, [rsi + rsi*2]
mov edx, 2
add rcx, rax
mov r8d, 1
call sub.api_ms_win_crt_stdio_l1_1_0.dll_fwrite
mov r9, qword [rdi + 0x1e0]
mov r8d, 1
mov rdx, rbp
mov rcx, r14
call sub.api_ms_win_crt_stdio_l1_1_0.dll_fwrite
mov rbp, qword [rsp + 0x48]
mov rsi, qword [rsp + 0x50]
mov rdi, qword [rsp + 0x58]
add rsp, 0x30
pop r14
ret
Function at 0x1400a2520
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 0x1400a254a
add rsp, 0x20
pop rdi
pop rbp
pop rbx
ret
lea rdx, str.LoadLibraryExA
mov qword [rsp + 0x48], r14
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_GetProcAddress]
lea rdx, [0x1400f8398]
mov rcx, rbx
mov r14, rax
call sub.api_ms_win_crt_string_l1_1_0.dll_strpbrk
test rax, rax
je 0x1400a25ab
mov rcx, rbx
test r14, r14
je 0x1400a2598
xor edx, edx
mov r8d, 8
mov rax, r14
mov r14, qword [rsp + 0x48]
add rsp, 0x20
pop rdi
pop rbp
pop rbx
jmp rax
mov r14, qword [rsp + 0x48]
add rsp, 0x20
pop rdi
pop rbp
pop rbx
jmp qword [sym.imp.KERNEL32.dll_LoadLibraryA]
test r14, r14
je 0x1400a25e2
lea rdx, str.AddDllDirectory
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_GetProcAddress]
test rax, rax
je 0x1400a25e2
xor edx, edx
mov r8d, 0x800
mov rcx, rbx
mov rax, r14
mov r14, qword [rsp + 0x48]
add rsp, 0x20
pop rdi
pop rbp
pop rbx
jmp rax
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 0x1400a26aa
mov rdi, 0xffffffffffffffff
mov qword [rsp + 0x40], rsi
mov rdx, rdi
nop dword [rax + rax]
inc rdx
cmp byte [rbx + rdx], bpl
jne 0x1400a2610
lea ecx, [rax + 1]
add rcx, rdx
call qword [section..data]
mov rsi, rax
test rax, rax
je 0x1400a269c
mov edx, r15d
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x1400a269c
mov rax, rdi
cmp byte [rsi + rax + 1], bpl
lea rax, [rax + 1]
jne 0x1400a2640
mov word [rax + rsi], 0x5c
inc rdi
cmp byte [rsi + rdi], bpl
jne 0x1400a2651
mov rax, rsi
sub rax, rbx
add rdi, rax
nop dword [rax]
nop word [rax + rax]
movzx eax, byte [rbx]
mov byte [rdi + rbx], al
lea rbx, [rbx + 1]
test al, al
jne 0x1400a2670
mov rcx, rsi
test r14, r14
je 0x1400a2693
xor edx, edx
mov r8d, 8
call r14
jmp 0x1400a2699
call qword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov rbp, rax
mov rcx, rsi
call qword [fcn.1400e8cf5]
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 0x1400a78a0
Capabilities:
Set socket configuration

Disassembly:
push rbx
sub rsp, 0x30
mov eax, dword [0x140141868]
mov rbx, rcx
mov dword [rsp + 0x50], 0x4020
mov dword [rsp + 0x48], 0
mov dword [rsp + 0x58], 4
test eax, eax
jne 0x1400a7908
mov r9d, 2
mov dword [rsp + 0x20], 3
xor r8d, r8d
xor edx, edx
mov ecx, 6
call fcn.1400d9db0
test al, al
je 0x1400a78fc
mov dword [0x140141868], 2
add rsp, 0x30
pop rbx
ret
mov dword [0x140141868], 1
jmp 0x1400a790d
cmp eax, 2
je 0x1400a795f
lea rax, [rsp + 0x58]
mov edx, 0xffff
lea r9, [rsp + 0x48]
mov qword [rsp + 0x20], rax
mov r8d, 0x1001
mov rcx, rbx
call qword [sym.imp.WS2_32.dll_getsockopt]
test eax, eax
jne 0x1400a793e
mov eax, dword [rsp + 0x50]
cmp dword [rsp + 0x48], eax
jg 0x1400a795f
lea r9, [rsp + 0x50]
mov dword [rsp + 0x20], 4
mov edx, 0xffff
mov r8d, 0x1001
mov rcx, rbx
call qword [sym.imp.WS2_32.dll_setsockopt]
add rsp, 0x30
pop rbx
ret
Function at 0x1400a85b0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
mov qword [rsp + 0x20], rbx
push rsi
sub rsp, 0x1c0
mov rax, qword [0x140127840]
xor rax, rsp
mov qword [rsp + 0x1b0], rax
mov rbx, qword [rcx + 0x10]
mov rsi, rdx
mov r9, qword [rbx + 0x98]
cmp r9, 0xffffffffffffffff
je 0x1400a86fe
mov rax, qword [rdx + 0x20]
mov rcx, qword [rax + 0x3c8]
test dword [rcx + 0x8c], 0x800
jne 0x1400a86fe
xorps xmm0, xmm0
mov dword [rsp + 0x20], 0x80
lea r8, [rsp + 0x20]
mov rcx, r9
lea rdx, [rsp + 0x30]
movups xmmword [rsp + 0x30], xmm0
movups xmmword [rsp + 0x40], xmm0
movups xmmword [rsp + 0x50], xmm0
movups xmmword [rsp + 0x60], xmm0
movups xmmword [rsp + 0x70], xmm0
movups xmmword [rsp + 0x80], xmm0
movups xmmword [rsp + 0x90], xmm0
movups xmmword [rsp + 0xa0], xmm0
call qword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x1400a868e
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rsp + 0xb0]
mov ecx, eax
mov ebx, eax
call fcn.140084e80
mov r9, rax
lea rdx, str.getsockname___failed_with_errno__d:__s
mov r8d, ebx
mov rcx, rsi
call fcn.14009e190
mov eax, 2
jmp 0x1400a8700
mov edx, dword [rsp + 0x20]
lea r9, [rbx + 0x100]
lea r8, [rbx + 0xce]
lea rcx, [rsp + 0x30]
call fcn.1400a0b80
test al, al
jne 0x1400a86fe
mov qword [rsp + 0x1e0], rdi
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 r8d, 0x100
lea rdx, [rsp + 0xb0]
mov ecx, ebx
mov rdi, rax
call fcn.140084e80
mov r8d, dword [rdi]
lea rdx, str.ssloc_inet_ntop___failed_with_errno__d:__s
mov r9, rax
mov rcx, rsi
call fcn.14009e190
mov rdi, qword [rsp + 0x1e0]
mov eax, 2
jmp 0x1400a8700
xor eax, eax
mov rcx, qword [rsp + 0x1b0]
xor rcx, rsp
call fcn.1400e75a0
mov rbx, qword [rsp + 0x1e8]
add rsp, 0x1c0
pop rsi
ret
Function at 0x1400b5930
Capabilities:
Move file

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rsi
push rdi
sub rsp, 0x60
mov rbx, rcx
movaps xmmword [rsp + 0x50], xmm6
lea rcx, [rsp + 0x30]
mov rdi, rdx
call fcn.14008f140
mov rcx, rbx
movups xmm6, xmmword [rax]
call case.0x1400990d0.1
mov rcx, rdi
mov rsi, rax
call case.0x1400990d0.1
mov r8d, 1
mov rdx, rax
mov rcx, rsi
mov rbx, rax
call qword [sym.imp.KERNEL32.dll_MoveFileExA]
test eax, eax
jne 0x1400b59e0
nop dword [rax]
nop word [rax + rax]
lea rcx, [rsp + 0x40]
movdqa xmmword [rsp + 0x20], xmm6
call fcn.14008f140
lea rdx, [rsp + 0x20]
lea rcx, [rsp + 0x30]
movups xmm0, xmmword [rax]
movaps xmmword [rsp + 0x30], xmm0
call fcn.14008f1d0
cmp rax, 0x3e8
ja 0x1400b5a11
mov ecx, 1
call qword [sym.imp.KERNEL32.dll_Sleep]
mov r8d, 1
mov rdx, rbx
mov rcx, rsi
call qword [sym.imp.KERNEL32.dll_MoveFileExA]
test eax, eax
je 0x1400b5990
test rsi, rsi
je 0x1400b59ed
mov rcx, rsi
call fcn.1400e8cf5
test rbx, rbx
je 0x1400b59fa
mov rcx, rbx
call fcn.1400e8cf5
xor eax, eax
mov rbx, qword [rsp + 0x70]
mov rsi, qword [rsp + 0x78]
movaps xmm6, xmmword [rsp + 0x50]
add rsp, 0x60
pop rdi
ret
test rsi, rsi
je 0x1400b5a1e
mov rcx, rsi
call fcn.1400e8cf5
test rbx, rbx
je 0x1400b5a2b
mov rcx, rbx
call fcn.1400e8cf5
mov eax, 1
jmp 0x1400b59fc
Function at 0x1400b5fc0
Capabilities:
Resolve dns

Disassembly:
push rbp
push rdi
push r12
push r13
sub rsp, 0x28
mov r13, r9
xor edi, edi
mov qword [r9], rdi
xor ebp, ebp
lea r9, [rsp + 0x68]
call qword [sym.imp.WS2_32.dll_getaddrinfo]
mov r12d, eax
test eax, eax
jne 0x1400b615f
mov qword [rsp + 0x50], rbx
mov qword [rsp + 0x58], rsi
mov rsi, qword [rsp + 0x68]
test rsi, rsi
je 0x1400b613f
mov qword [rsp + 0x60], r14
mov qword [rsp + 0x20], r15
nop dword [rax]
mov rax, qword [rsi + 0x18]
test rax, rax
je 0x1400b602e
mov rbx, 0xffffffffffffffff
inc rbx
cmp byte [rax + rbx], 0
jne 0x1400b6020
inc rbx
jmp 0x1400b6030
xor ebx, ebx
mov eax, dword [rsi + 4]
cmp eax, 2
jne 0x1400b6040
mov r15d, reloc.WS2_32.dll_recv
jmp 0x1400b604f
cmp eax, 0x17
jne 0x1400b60e8
mov r15d, Ordinal_32
cmp qword [rsi + 0x20], 0
je 0x1400b60e8
mov rax, qword [rsi + 0x10]
test rax, rax
je 0x1400b60e8
cmp rax, r15
jb 0x1400b60e8
lea rcx, [rbx + 0x30]
add rcx, r15
call qword [section..data]
mov r14, rax
test rax, rax
je 0x1400b60f7
mov ecx, dword [rsi]
mov r8, r15
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
lea rcx, [r14 + 0x30]
mov dword [rax + 0x10], r15d
xor eax, eax
mov qword [r14 + 0x18], rax
mov qword [r14 + 0x28], rax
mov qword [r14 + 0x20], rcx
mov rdx, qword [rsi + 0x20]
call sub.VCRUNTIME140.dll_memcpy
test rbx, rbx
je 0x1400b60d5
mov rcx, qword [r14 + 0x20]
mov r8, rbx
add rcx, r15
mov qword [r14 + 0x18], rcx
mov rdx, qword [rsi + 0x18]
call sub.VCRUNTIME140.dll_memcpy
test rdi, rdi
cmove rdi, r14
test rbp, rbp
je 0x1400b60e5
mov qword [rbp + 0x28], r14
mov rbp, r14
mov rsi, qword [rsi + 0x28]
test rsi, rsi
jne 0x1400b6010
jmp 0x1400b60fd
mov r12d, 8
mov rcx, qword [rsp + 0x68]
mov r15, qword [rsp + 0x20]
mov r14, qword [rsp + 0x60]
test rcx, rcx
je 0x1400b6117
call qword [sym.imp.WS2_32.dll_freeaddrinfo]
test r12d, r12d
je 0x1400b613a
test rdi, rdi
je 0x1400b6136
mov rbx, qword [rdi + 0x28]
mov rcx, rdi
call qword [fcn.1400e8cf5]
mov rdi, rbx
test rbx, rbx
jne 0x1400b6121
xor edi, edi
jmp 0x1400b614e
test rdi, rdi
jne 0x1400b614e
mov r12d, 0x2af9
mov ecx, r12d
call qword [sym.imp.WS2_32.dll_WSASetLastError]
mov rsi, qword [rsp + 0x58]
mov eax, r12d
mov rbx, qword [rsp + 0x50]
mov qword [r13], rdi
add rsp, 0x28
pop r13
pop r12
pop rdi
pop rbp
ret

Function at 0x1400b65d0
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 sub.api_ms_win_crt_runtime_l1_1_0.dll__beginthreadex
test rax, rax
je 0x1400b6606
cmp rax, 0xffffffffffffffff
cmovne rbx, rax
mov rax, rbx
add rsp, 0x30
pop rbx
ret
add rsp, 0x30
pop rbx
ret
Function at 0x1400b84c0
Capabilities:
Generate random numbers via winapi

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rbp
push rsi
push rdi
push r14
sub rsp, 0x20
mov rbx, rdx
mov edx, Ordinal_46
mov rsi, r8
mov rbp, rcx
test r8, r8
je 0x1400b858c
xor r14d, r14d
nop dword [rax]
mov edi, 4
lea rdx, [rsp + 0x50]
cmp rsi, rdi
mov r8d, 4
mov rcx, rbp
cmovb rdi, rsi
call fcn.140097740
mov edx, eax
cmp eax, 4
jne 0x1400b8540
cmp byte [0x140141870], r14b
jne 0x1400b854a
mov r9d, 2
mov dword [rsp + 0x50], r14d
mov r8d, eax
lea rdx, [rsp + 0x50]
xor ecx, ecx
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb edx, edx
and edx, 2
test edx, edx
jne 0x1400b858c
mov eax, dword [rsp + 0x50]
jmp 0x1400b8569
imul eax, dword [0x14014186c], 0x41c64e6d
mov edx, r14d
add eax, 0x3039
mov dword [0x14014186c], eax
ror eax, 0x10
mov dword [rsp + 0x50], eax
test rdi, rdi
je 0x1400b8583
sub rsi, rdi
mov byte [rbx], al
inc rbx
shr eax, 8
sub rdi, 1
jne 0x1400b8571
mov dword [rsp + 0x50], eax
test rsi, rsi
jne 0x1400b84f0
mov rbx, qword [rsp + 0x40]
mov eax, edx
mov rbp, qword [rsp + 0x48]
add rsp, 0x20
pop r14
pop rdi
pop rsi
ret

Function at 0x1400b85b0
Capabilities:
Generate random numbers via winapi

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rbp
push rsi
push rdi
push r14
sub rsp, 0x20
mov rdi, r8
mov rsi, rdx
mov rbx, rcx
sub rdi, 1
je 0x1400b8678
xor ebp, ebp
lea r14, str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789
nop
mov r8d, 4
lea rdx, [rsp + 0x50]
mov rcx, rbx
call fcn.140097740
cmp eax, 4
jne 0x1400b8621
cmp byte [0x140141870], bpl
jne 0x1400b862b
mov r9d, 2
mov dword [rsp + 0x50], ebp
mov r8d, eax
lea rdx, [rsp + 0x50]
xor ecx, ecx
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb eax, eax
and eax, 2
test eax, eax
jne 0x1400b867d
mov ecx, dword [rsp + 0x50]
jmp 0x1400b8648
imul ecx, dword [0x14014186c], 0x41c64e6d
add ecx, 0x3039
mov dword [0x14014186c], ecx
ror ecx, 0x10
mov dword [rsp + 0x50], ecx
cmp ecx, 0xfffffffc
jae 0x1400b85e0
mov eax, 0x8421085
mul ecx
mov eax, ecx
sub eax, edx
shr eax, 1
add eax, edx
shr eax, 5
imul eax, eax, 0x3e
sub ecx, eax
movzx eax, byte [rcx + r14]
mov byte [rsi], al
inc rsi
sub rdi, 1
jne 0x1400b85e0
mov byte [rsi], 0
xor eax, eax
mov rbx, qword [rsp + 0x40]
mov rbp, qword [rsp + 0x48]
add rsp, 0x20
pop r14
pop rdi
pop rsi
ret
Function at 0x1400bc230
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 [case.0x1400990d0.0]
mov rdi, rax
test rax, rax
je 0x1400bc2ad
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 0x1400bc2d8
cmp ebx, esi
je 0x1400bc2d8
cmp ebx, 0x8000
ja 0x1400bc2d8
cmp ebx, esi
jb 0x1400bc2d3
mov edx, ebx
mov rcx, rdi
call qword [case.0x1400990d0.0]
mov rdi, rax
test rax, rax
jne 0x1400bc270
mov rcx, rbp
call qword [fcn.1400e8cf5]
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 0x1400bc2b8
mov rcx, rdi
jmp 0x1400bc2b0

Function at 0x1400bddb0
Capabilities:
Send data
Send data on socket

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x18], rsi
push rdi
sub rsp, 0x20
mov rbx, rcx
mov byte [rsp + 0x38], 0xff
mov rcx, qword [rcx + 0x20]
mov edi, r8d
mov esi, edx
mov byte [rsp + 0x3a], dil
mov byte [rsp + 0x39], sil
lea rdx, [rsp + 0x38]
xor r9d, r9d
mov r8d, 3
mov rcx, qword [rcx + 0x220]
call qword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x1400bde11
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
lea rdx, str.Sending_data_failed___d_
mov rcx, rbx
mov r8d, eax
call fcn.14009e190
mov r9d, edi
lea rdx, str.SENT
mov r8d, esi
mov rcx, rbx
call fcn.1400bd950
mov rbx, qword [rsp + 0x30]
mov rsi, qword [rsp + 0x40]
add rsp, 0x20
pop rdi
ret
Function at 0x1400bdfb0
Capabilities:
Send data
Send data on socket

Disassembly:
cmp edx, 0x1f
jne 0x1400be169
push rsi
push rdi
push r13
sub rsp, 0x20
mov rsi, qword [rcx + 0x1b8]
mov rdi, rcx
mov r13, qword [rcx + 0x20]
mov qword [rsp + 0x40], rbx
mov qword [rsp + 0x48], rbp
mov qword [rsp + 0x50], r14
lea rbx, [rsi + 0x1ed8]
lea r14, [rsi + 0x1cd8]
mov qword [rsp + 0x58], r15
mov qword [rbx], r14
mov rax, r14
cmp r14, rbx
jae 0x1400be007
lea rax, [r14 + 1]
mov byte [r14], 0xff
mov qword [rbx], rax
cmp rax, rbx
jae 0x1400be020
mov byte [rax], 0xfa
inc qword [rbx]
mov rax, qword [rbx]
cmp rax, rbx
jae 0x1400be020
mov byte [rax], Ordinal_32
inc qword [rbx]
movzx ecx, word [rsi + 0x1ca8]
call qword [sym.imp.WS2_32.dll_htons]
movzx ecx, word [rsi + 0x1caa]
movzx ebp, ax
shr bp, 8
movzx r15d, ax
call qword [sym.imp.WS2_32.dll_htons]
mov r9, qword [rbx]
movzx ecx, ax
shr cx, 8
cmp r9, rbx
jae 0x1400be05d
mov byte [r9], r15b
inc qword [rbx]
mov r9, qword [rbx]
mov r15, qword [rsp + 0x58]
cmp r9, rbx
jae 0x1400be070
mov byte [r9], bpl
inc qword [rbx]
mov r9, qword [rbx]
mov rbp, qword [rsp + 0x48]
cmp r9, rbx
jae 0x1400be0af
mov byte [r9], al
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x1400be0af
mov byte [r9], cl
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x1400be0af
mov byte [r9], 0xff
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x1400be0af
mov byte [r9], 0xf0
mov r9, qword [rbx]
inc r9
mov qword [rsi + 0x1ee0], r9
lea r8, [rsi + 0x1cda]
sub r9, r14
mov qword [rbx], r14
sub r9, 2
mov edx, 0x3e
mov rcx, rdi
call fcn.1400bda80
mov rcx, qword [r13 + 0x220]
xor r9d, r9d
mov r8d, 3
mov rdx, r14
call qword [sym.imp.WS2_32.dll_send]
mov r14, qword [rsp + 0x50]
mov rbx, qword [rsp + 0x40]
test eax, eax
jns 0x1400be113
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
lea rdx, str.Sending_data_failed___d_
mov rcx, rdi
mov r8d, eax
call fcn.14009e190
lea rdx, [rsi + 0x1cdb]
mov r8d, 4
mov rcx, rdi
call fcn.1400bde40
mov rcx, qword [r13 + 0x220]
lea rdx, [rsi + 0x1cdf]
xor r9d, r9d
mov r8d, 2
call qword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x1400be161
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
lea rdx, str.Sending_data_failed___d_
mov rcx, rdi
mov r8d, eax
call fcn.14009e190
add rsp, 0x20
pop r13
pop rdi
pop rsi
ret
Function at 0x1400bf790
Capabilities:
Receive data
Receive data on socket

Disassembly:
push rbp
push rsi
push rdi
sub rsp, 0xd0
mov rax, qword [0x140127840]
xor rax, rsp
mov qword [rsp + 0xc0], rax
mov rax, qword [rcx + 0x20]
mov rbp, rcx
xor r9d, r9d
xor esi, esi
mov rdi, qword [rax + 0x680]
lea rax, [rsp + 0x30]
mov dword [rsp + 0x30], 0x80
mov qword [rsp + 0x28], rax
lea rax, [rsp + 0x40]
mov qword [rsp + 0x20], rax
mov r8d, dword [rdi + 0x144]
mov rdx, qword [rdi + 0x150]
add r8d, 4
mov rcx, qword [rdi + 0x18]
call qword [sym.imp.WS2_32.dll_recvfrom]
mov dword [rdi + 0x13c], eax
cmp dword [rdi + 0x138], esi
jne 0x1400bf826
movsxd r8, dword [rsp + 0x30]
lea rcx, [rdi + 0xb8]
lea rdx, [rsp + 0x40]
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [rsp + 0x30]
mov dword [rdi + 0x138], eax
mov r8d, dword [rdi + 0x13c]
mov qword [rsp + 0x100], r14
cmp r8d, 4
jge 0x1400bf876
lea rdx, str.Received_too_short_packet
mov rcx, rbp
call fcn.14009e190
mov dword [rdi + 0xc], 7
mov eax, esi
mov r14, qword [rsp + 0x100]
mov rcx, qword [rsp + 0xc0]
xor rcx, rsp
call fcn.1400e75a0
add rsp, 0xd0
pop rdi
pop rsi
pop rbp
ret
mov rdx, qword [rdi + 0x150]
movzx eax, byte [rdx]
movzx ecx, byte [rdx + 1]
shl eax, 8
or ecx, eax
mov dword [rdi + 0xc], ecx
dec ecx
cmp ecx, 5
ja case.0x1400bf8ac.1
movsxd rax, ecx
lea r9, [0x140000000]
mov ecx, dword [r9 + rax*4 + 0xbf9b4]
add rcx, r9
jmp rcx
cmp r8d, 4
jle case.0x1400bf8ac.4
movzx eax, byte [rdx + 3]
movzx ecx, byte [rdx + 2]
shl ecx, 8
or ecx, eax
movzx eax, word [rdi + 0x14c]
inc eax
movzx eax, ax
cmp eax, ecx
jne case.0x1400bf8ac.4
lea eax, [r8 - 4]
mov rcx, rbp
lea r8, [rdx + 4]
movsxd r9, eax
mov edx, 1
call fcn.14009f600
mov esi, eax
test eax, eax
je case.0x1400bf8ac.4
mov edx, 5
mov rcx, rdi
call fcn.1400c03c0
jmp 0x1400bf851
movzx ecx, byte [rdx + 2]
lea eax, [r8 - 4]
shl ecx, 8
lea r14, [rdx + 4]
mov qword [rsp + 0xf8], rbx
movsxd rbx, eax
movzx eax, byte [rdx + 3]
mov rdx, rbx
or ecx, eax
mov dword [rdi + 8], ecx
mov rcx, r14
call fcn.1400c0430
cmp rax, rbx
mov rbx, qword [rsp + 0xf8]
jae case.0x1400bf8ac.4
mov r8, r14
lea rdx, str.TFTP_error:__s
mov rcx, rbp
call fcn.14009e280
jmp case.0x1400bf8ac.4
add r8d, 0xfffffffe
add rdx, 2
mov rcx, rdi
call fcn.1400bf4d0
mov esi, eax
test eax, eax
je case.0x1400bf8ac.4
jmp 0x1400bf853
lea r8, str.Internal_error:_Unexpected_packet
mov rcx, rbp
lea rdx, [0x140104ef0]
call fcn.14009e190
mov rcx, rbp
call fcn.1400b3970
test eax, eax
je 0x1400bf851
mov edx, 5
mov rcx, rdi
call fcn.1400c03c0
mov eax, Ordinal_46
jmp 0x1400bf853