joyce8/EMBER2024-capa huggingface dataset:
Function at 0x41a870
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1010
call fcn.00487270
mov eax, dword [0x4a4014]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 0x10]
lea eax, [ebp - 0x1010]
push esi
push edi
mov edi, dword [ebp + 0xc]
xor esi, esi
push eax
push 0x20019
push esi
push str.SOFTWARETencentQQ
push reloc.WS2_32.dll_bind
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x41a959
push 0x1000
push eax
lea eax, [ebp - 0x1004]
mov dword [ebp - 0x1008], 3
push eax
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
mov dword [ebp - 0x100c], 0x400
lea eax, [ebp - 0x100c]
push eax
lea eax, [ebp - 0x1004]
push eax
lea eax, [ebp - 0x1008]
push eax
push esi
push str.path
push dword [ebp - 0x1010]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x41a959
mov eax, dword [ebp - 0x100c]
push eax
mov dword [ebx], eax
call dword [sym.imp.mfc140u.dll_operator]
push dword [ebp - 0x100c]
mov esi, eax
push 0
push esi
call sub.VCRUNTIME140.dll_memset
push dword [ebp - 0x100c]
lea eax, [ebp - 0x1004]
push eax
push esi
call sub.VCRUNTIME140.dll_memcpy
push dword [ebp - 0x100c]
push esi
push edi
call sub.VCRUNTIME140.dll_memcpy
push esi
call dword [sym.imp.mfc140u.dll_operator_1]
add esp, 0x2c
mov esi, 1
push dword [ebp - 0x1010]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov ecx, dword [ebp - 4]
mov eax, esi
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0042b8bd
mov esp, ebp
pop ebp
ret

Function at 0x41a980
Capabilities:
Delete file

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x230
mov eax, dword [0x4a4014]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, ecx
push edi
mov edi, esi
lea ecx, [edi + 2]
nop dword [eax]
mov ax, word [edi]
add edi, 2
test ax, ax
jne 0x41a9a0
sub edi, ecx
sar edi, 1
test esi, esi
jne 0x41a9c5
pop edi
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042b8bd
mov esp, ebp
pop ebp
ret
cmp edi, 0x104
jge 0x41a9b3
push 0x20a
lea eax, [ebp - 0x210]
push 0
push eax
call sub.VCRUNTIME140.dll_memset
lea ecx, [ebp - 0x210]
add esp, 0xc
sub ecx, esi
nop dword [eax + eax]
movzx eax, word [esi]
lea esi, [esi + 2]
mov word [ecx + esi - 2], ax
test ax, ax
jne 0x41a9f0
add edi, edi
cmp edi, 0x20a
jae 0x41aac5
xor eax, eax
mov word [ebp + edi - 0x210], ax
add edi, 2
cmp edi, 0x20a
jae 0x41aac5
mov dword [ebp - 0x218], eax
xorps xmm0, xmm0
mov word [ebp + edi - 0x210], ax
mov ecx, 0x414
movq qword [ebp - 0x220], xmm0
mov ax, word [ebp - 0x220]
or ax, cx
mov dword [ebp - 0x21a], 0
movups xmmword [ebp - 0x230], xmm0
lea ecx, [ebp - 0x210]
mov dword [ebp - 0x230], 0
mov dword [ebp - 0x228], ecx
mov ecx, 0xffbf
and ax, cx
mov dword [ebp - 0x216], 0
mov word [ebp - 0x220], ax
lea eax, [ebp - 0x230]
push eax
mov dword [ebp - 0x22c], 3
mov dword [ebp - 0x224], 0
call dword [sym.imp.SHELL32.dll_SHFileOperationW]
mov ecx, dword [ebp - 4]
neg eax
pop edi
sbb eax, eax
xor ecx, ebp
inc eax
pop esi
call fcn.0042b8bd
mov esp, ebp
pop ebp
ret
call fcn.0042bc5c
int3
Function at 0x421d40
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 0xc]
mov edx, 0x811c9dc5
push edi
mov edi, dword [ebp + 8]
mov ecx, 0
sub esi, edi
je 0x421d71
nop dword [eax]
movzx eax, byte [ecx + edi]
inc ecx
xor eax, edx
imul edx, eax, 0x1000193
cmp ecx, esi
jb 0x421d60
pop edi
mov eax, edx
pop esi
pop ebp
ret 8
Function at 0x42a2c0
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x489d38
mov eax, dword fs:[0]
push eax
sub esp, 0x18
mov eax, dword [0x4a4014]
xor eax, ebp
mov dword [ebp - 0x14], eax
push esi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
mov edx, dword [esi]
test edx, edx
setne al
test al, al
je 0x42a34c
cmp byte [edx + 0x15], 0
jne 0x42a34c
xorps xmm0, xmm0
push ecx
lea ecx, [ebp - 0x1c]
movq qword [ebp - 0x1c], xmm0
call fcn.00429d30
push esi
mov dword [ebp - 4], 0
call fcn.0042abb0
mov eax, dword [0x7a6a74]
mov esi, dword [eax + 4]
lea eax, [ebp - 0x20]
push eax
push 0
add esi, 8
push esi
push 0x429eb0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov ecx, dword [esi]
mov dword [ecx + 8], eax
lea ecx, [ebp - 0x1c]
call fcn.00429dd0
mov eax, esi
jmp 0x42a34e
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop esi
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.0042b8bd
mov esp, ebp
pop ebp
ret 4
Function at 0x436730
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x4367df
push esi
call fcn.0044a670
add esp, 4
test al, al
jne 0x4367df
push ebx
push edi
mov edi, esi
xor ebx, ebx
lea ecx, [edi + 1]
mov al, byte [edi]
inc edi
test al, al
jne 0x436757
sub edi, ecx
push edi
push 0x2e
push esi
call fcn.004599d0
add esp, 0xc
test eax, eax
je 0x43678b
sub eax, esi
push eax
push 0x2e
push esi
call fcn.004599d0
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x43678d
inc ebx
mov ecx, esi
sub ecx, ebx
add edi, ecx
test ebx, ebx
cmovne esi, ebx
lea ebx, [esi + edi]
mov edi, 0x1505
cmp esi, ebx
jae 0x4367be
nop dword [eax]
mov al, byte [esi]
push eax
call fcn.0044b7b0
movsx ecx, al
inc esi
mov eax, edi
add esp, 4
shl eax, 5
add eax, edi
xor ecx, eax
mov edi, ecx
cmp esi, ebx
jb 0x4367a0
mov eax, 0x4104105
mov esi, edi
mul edi
sub esi, edx
shr esi, 1
add esi, edx
shr esi, 5
mov ecx, esi
shl ecx, 6
sub ecx, esi
sub edi, ecx
mov eax, edi
pop edi
pop ebx
pop esi
ret
xor eax, eax
pop esi
ret
Function at 0x4446e0
Capabilities:
Write file on windows

Disassembly:
push edi
mov edi, dword [esp + 8]
cmp byte [edi + 0x696], 0
je 0x44477f
cmp dword [edi + 0x194], 0
je 0x444737
push edi
call fcn.004313c0
push 1
push edi
mov byte [esp + 0x14], al
call fcn.00431be0
push dword [edi + 0x144]
mov eax, dword [edi + 0x194]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push edi
call eax
push dword [esp + 0x28]
push edi
call fcn.00431be0
add esp, 0x28
pop edi
ret
mov ecx, dword [esp + 0xc]
mov eax, ecx
sub eax, 0
je 0x44474c
sub eax, 1
je 0x44474c
sub eax, 1
jne 0x44477f
push dword [edi + 0x140]
lea eax, [ecx*2 + 0x48f6ac]
push 1
add eax, ecx
push 2
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
push dword [edi + 0x140]
push 1
push dword [esp + 0x2c]
push dword [esp + 0x2c]
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
add esp, 0x20
pop edi
ret

Function at 0x447f50
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push str.kernel32
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x447f6a
pop edi
pop ebx
pop ecx
ret
push ebp
push esi
push str.LoadLibraryExA
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [esp + 0x18]
mov ebp, eax
push 0x490074
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strpbrk]
add esp, 8
test eax, eax
je 0x447fb3
test ebp, ebp
je 0x447fa4
push 8
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
test ebp, ebp
je 0x447fd9
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x447fd9
push 0x800
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
mov edx, eax
mov dword [esp + 0x10], edx
test edx, edx
je 0x44808f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x447ff6
sub ecx, ebx
lea eax, [ecx + 1]
add eax, edx
push eax
call dword [0x4a4020]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x448085
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x448085
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x448028
sub ecx, edx
mov eax, 0x5c
mov word [ecx + ebx], ax
mov ecx, ebx
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x448040
sub ecx, edx
sub ecx, esi
add ecx, ebx
nop dword [eax]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x448050
test ebp, ebp
je 0x44807c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x4a4024]
add esp, 4
mov eax, edi
pop esi
pop ebp
pop edi
pop ebx
pop ecx
ret
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
push ebx
call dword [0x4a4024]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x44a810
Capabilities:
Create udp socket

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x44a84e
mov eax, dword [esi + 0x7c]
cmp byte [eax + 0x144], 0
jne 0x44a83f
push 0
call fcn.0044a810
add esp, 4
test al, al
mov eax, dword [esi + 0x7c]
setne cl
inc cl
mov byte [eax + 0x144], cl
mov eax, dword [esi + 0x7c]
pop esi
cmp byte [eax + 0x144], 2
sete al
ret
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x44a863
xor al, al
pop esi
ret
push eax
call dword [sym.imp.WS2_32.dll_closesocket]
mov al, 1
pop esi
ret

Function at 0x44b5a0
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 0x6c
mov eax, dword [0x4a4014]
xor eax, esp
mov dword [esp + 0x68], eax
mov eax, dword [esp + 0x70]
push ebp
mov ebp, dword [esp + 0x78]
push edi
xor edi, edi
mov dword [esp + 8], eax
cmp byte [eax + 0x696], 0
je 0x44b782
cmp byte [ebp + 0x18], 0
push ebx
lea ebx, [ebp + 0x18]
je 0x44b781
lea eax, [esp + 0x30]
push eax
push ebx
push 2
call fcn.004606d0
add esp, 0xc
test eax, eax
jg 0x44b781
lea eax, [esp + 0x34]
push eax
push ebx
push 0x17
call fcn.004606d0
add esp, 0xc
test eax, eax
jg 0x44b781
cmp byte [ebx], 0
mov eax, str._none_
push esi
push dword [ebp + 0x14]
mov esi, dword [ebp]
cmovne eax, ebx
mov ebp, dword [esp + 0x14]
push eax
push str.Host__s:_d_was_resolved.
push ebp
call fcn.00444860
lea eax, [esp + 0x24]
push 0x400
push eax
call fcn.00436d70
lea eax, [esp + 0x3c]
push 0x400
push eax
call fcn.00436d70
add esp, 0x20
test esi, esi
je 0x44b6f4
lea edx, [edi + 0x10]
mov ecx, dword [esi + 4]
cmp ecx, 0x17
je 0x44b668
cmp ecx, 2
jne 0x44b6e9
xor eax, eax
mov byte [esp + 0x48], 0
cmp ecx, 2
lea ebx, [esp + 0x14]
cmovne eax, edx
add ebx, eax
sub ecx, 2
je 0x44b697
sub ecx, 0x15
jne 0x44b6af
push 0x2e
lea eax, [esp + 0x4c]
push eax
mov eax, dword [esi + 0x18]
add eax, 8
push eax
push 0x17
jmp 0x44b6a7
push 0x2e
lea eax, [esp + 0x4c]
push eax
mov eax, dword [esi + 0x18]
add eax, 4
push eax
push 2
call fcn.0047a130
add esp, 0x10
push ebx
call fcn.0047f2e0
add esp, 4
test eax, eax
je 0x44b6ce
push 2
push 0x48f6ec
push ebx
call fcn.00436d30
add esp, 0xc
mov edi, eax
test edi, edi
jne 0x44b714
lea eax, [esp + 0x48]
push eax
push ebx
call fcn.00436cd0
mov edi, eax
add esp, 8
test edi, edi
jne 0x44b714
lea edx, [eax + 0x10]
mov esi, dword [esi + 0x1c]
test esi, esi
jne 0x44b657
lea eax, [esp + 0x24]
push eax
call fcn.0047f2e0
add esp, 4
test eax, eax
je 0x44b724
lea eax, [esp + 0x24]
push eax
call fcn.00436e30
add esp, 4
jmp 0x44b729
push str.too_many_IP__cannot_show
push ebp
call fcn.00444860
add esp, 8
jmp 0x44b769
mov eax, str._none_
push eax
push str.IPv6:__s
push ebp
call fcn.00444860
lea eax, [esp + 0x20]
push eax
call fcn.0047f2e0
add esp, 0x10
test eax, eax
je 0x44b755
lea eax, [esp + 0x14]
push eax
call fcn.00436e30
add esp, 4
jmp 0x44b75a
mov eax, str._none_
push eax
push str.IPv4:__s
push ebp
call fcn.00444860
add esp, 0xc
lea eax, [esp + 0x14]
push eax
call fcn.00436d40
lea eax, [esp + 0x28]
push eax
call fcn.00436d40
add esp, 8
pop esi
pop ebx
mov ecx, dword [esp + 0x70]
pop edi
pop ebp
xor ecx, esp
call fcn.0042b8bd
add esp, 0x6c
ret
Function at 0x44d930
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x188
mov eax, dword [0x4a4014]
xor eax, esp
mov dword [esp + 0x184], eax
mov eax, dword [esp + 0x18c]
push ebx
mov ebx, dword [esp + 0x194]
push esi
mov esi, dword [eax + 8]
push edi
mov edi, dword [esi + 0x98]
cmp edi, 0xffffffff
je 0x44da68
mov eax, dword [ebx + 0x18]
mov eax, dword [eax + 0x2ac]
test dword [eax + 0x48], 0x800
jne 0x44da68
push 0x80
lea eax, [esp + 0x14]
mov dword [esp + 0x10], 0x80
push 0
push eax
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
lea eax, [esp + 0xc]
push eax
lea eax, [esp + 0x14]
push eax
push edi
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x44d9f6
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [esp + 0x90]
push 0x100
push eax
push esi
call fcn.00430520
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.00444790
add esp, 0x1c
mov eax, 2
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x184]
xor ecx, esp
call fcn.0042b8bd
add esp, 0x188
ret
lea eax, [esi + 0xfc]
push eax
lea eax, [esi + 0xca]
push eax
push dword [esp + 0x14]
lea eax, [esp + 0x1c]
push eax
call fcn.00446bb0
add esp, 0x10
test al, al
jne 0x44da68
mov esi, dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__errno]
call esi
mov edi, dword [eax]
call esi
mov esi, eax
lea eax, [esp + 0x90]
push 0x100
push eax
push edi
call fcn.00430520
push eax
push dword [esi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.00444790
add esp, 0x1c
mov eax, 2
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x184]
xor ecx, esp
call fcn.0042b8bd
add esp, 0x188
ret
mov ecx, dword [esp + 0x190]
xor eax, eax
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.0042b8bd
add esp, 0x188
ret
Function at 0x45a130
Capabilities:
Move file

Disassembly:
sub esp, 0x20
push ebx
push ebp
push esi
lea eax, [esp + 0xc]
push edi
push eax
call fcn.00436a90
push dword [esp + 0x38]
mov esi, dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll__strdup]
movups xmm0, xmmword [eax]
movups xmmword [esp + 0x18], xmm0
call esi
push dword [esp + 0x40]
mov edi, eax
call esi
mov ebp, dword [sym.imp.KERNEL32.dll_MoveFileExA]
add esp, 0xc
mov esi, eax
push 1
push esi
push edi
call ebp
test eax, eax
jne 0x45a1c5
mov ebx, dword [sym.imp.KERNEL32.dll_Sleep]
nop dword [eax + eax]
lea eax, [esp + 0x20]
push eax
call fcn.00436a90
movups xmm0, xmmword [esp + 0x14]
sub esp, 0xc
mov ecx, esp
sub esp, 0x10
movups xmmword [ecx], xmm0
mov ecx, esp
movups xmm0, xmmword [eax]
movups xmmword [ecx], xmm0
call fcn.00436b40
add esp, 0x20
test edx, edx
ja 0x45a1e9
jb 0x45a1b7
cmp eax, 0x3e8
ja 0x45a1e9
push 1
call ebx
push 1
push esi
push edi
call ebp
test eax, eax
je 0x45a180
mov ebx, dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
test edi, edi
je 0x45a1d5
push edi
call ebx
add esp, 4
test esi, esi
je 0x45a1df
push esi
call ebx
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x20
ret
mov ebx, dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
test edi, edi
je 0x45a1f9
push edi
call ebx
add esp, 4
test esi, esi
je 0x45a203
push esi
call ebx
add esp, 4
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x20
ret
Function at 0x45aca0
Capabilities:
Create thread

Disassembly:
push 0
push 0
push dword [esp + 0x10]
push dword [esp + 0x10]
push 0
push 0
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__beginthreadex]
mov ecx, eax
add esp, 0x18
xor eax, eax
test ecx, ecx
je 0x45acc7
cmp ecx, 0xffffffff
cmovne eax, ecx
ret

Function at 0x45c730
Capabilities:
Generate random numbers via winapi

Disassembly:
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x1c]
mov ecx, 0x2b
test edi, edi
je 0x45c7db
mov ebp, dword [esp + 0x14]
mov esi, dword [esp + 0x18]
nop dword [eax]
mov ebx, 4
lea eax, [esp + 0x1c]
push 4
push eax
cmp edi, ebx
push ebp
cmovb ebx, edi
call fcn.0043dbe0
add esp, 0xc
cmp eax, 4
jne 0x45c796
cmp byte [0x4a59e0], 0
jne 0x45c7a2
push 2
push eax
lea eax, [esp + 0x24]
mov dword [esp + 0x24], 0
push eax
push 0
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb eax, eax
and eax, 2
mov ecx, eax
test eax, eax
jne 0x45c7dd
mov eax, dword [esp + 0x1c]
jmp 0x45c7bf
imul eax, dword [0x4a59dc], 0x41c64e6d
add eax, 0x3039
mov dword [0x4a59dc], eax
rol eax, 0x10
xor ecx, ecx
mov dword [esp + 0x1c], eax
test ebx, ebx
je 0x45c7d3
mov byte [esi], al
dec edi
inc esi
shr eax, 8
sub ebx, 1
jne 0x45c7c3
mov dword [esp + 0x1c], eax
test edi, edi
jne 0x45c750
mov eax, ecx
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x45c7f0
Capabilities:
Generate random numbers via winapi

Disassembly:
push ebx
mov ebx, dword [esp + 0x10]
push ebp
push esi
push edi
mov edi, dword [esp + 0x18]
sub ebx, 1
je 0x45c868
mov esi, dword [esp + 0x14]
mov ebp, 0x3e
nop word [eax + eax]
push 4
lea eax, [esp + 0x20]
push eax
push esi
call fcn.0043dbe0
add esp, 0xc
cmp eax, 4
jne 0x45c849
cmp byte [0x4a59e0], 0
jne 0x45c872
push 2
push eax
lea eax, [esp + 0x24]
mov dword [esp + 0x24], 0
push eax
push 0
call sub.bcrypt.dll_BCryptGenRandom
test eax, eax
jne 0x45c88f
test eax, eax
jne 0x45c86d
mov eax, dword [esp + 0x1c]
cmp eax, 0xfffffffc
jae 0x45c810
xor edx, edx
div ebp
mov al, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789]
mov byte [edi], al
inc edi
sub ebx, 1
jne 0x45c810
mov byte [edi], 0
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret
imul eax, dword [0x4a59dc], 0x41c64e6d
add eax, 0x3039
mov dword [0x4a59dc], eax
rol eax, 0x10
mov dword [esp + 0x1c], eax
jmp 0x45c851
pop edi
pop esi
pop ebp
mov eax, 2
pop ebx
ret

Function at 0x45c8a0
Capabilities:
Generate random numbers via winapi

Disassembly:
push dword [esp + 8]
push 0
push dword [esp + 0xc]
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
push 2
push dword [esp + 0xc]
push dword [esp + 0xc]
push 0
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb eax, eax
and eax, 2
ret
Function at 0x4602a0
Capabilities:
Query environment variable

Disassembly:
push ebx
push ebp
xor ebp, ebp
push esi
push edi
lea esi, [ebp + 1]
push esi
push ebp
call dword [0x4a4028]
mov edi, eax
add esp, 8
test edi, edi
je 0x4602f7
nop word [eax + eax]
push esi
push edi
push dword [esp + 0x1c]
mov ebp, edi
mov ebx, esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
mov esi, eax
test esi, esi
je 0x46030f
cmp esi, ebx
je 0x46030f
cmp esi, 0x8000
ja 0x46030f
cmp esi, ebx
jb 0x460308
push esi
push edi
call dword [0x4a4028]
mov edi, eax
add esp, 8
test edi, edi
jne 0x4602c0
push ebp
call dword [0x4a4024]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret
push edi
call dword [0x4a4024]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x461af0
Capabilities:
Send data
Send data on socket

Disassembly:
mov ecx, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0xc]
push esi
mov esi, dword [esp + 0xc]
push 0
mov byte [esp + 0x12], cl
lea ecx, [esp + 0x10]
push 3
mov eax, dword [esi + 0x18]
push ecx
mov byte [esp + 0x18], 0xff
mov byte [esp + 0x19], bl
push dword [eax + 0x1a0]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x461b3c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push esi
call fcn.00444790
add esp, 0xc
push dword [esp + 0x14]
push ebx
push str.SENT
push esi
call fcn.00461710
add esp, 0x10
pop esi
pop ebx
ret
Function at 0x461ca0
Capabilities:
Send data
Send data on socket

Disassembly:
push ecx
cmp dword [esp + 0xc], 0x1f
push ebx
mov ebx, dword [esp + 0xc]
push ebp
mov eax, dword [ebx + 0x18]
mov ebp, dword [ebx + 0x120]
mov dword [esp + 8], eax
jne 0x461df3
push esi
lea ecx, [ebp + 0x1cc4]
push edi
lea edi, [ebp + 0x1ec4]
mov eax, ecx
mov dword [edi], ecx
cmp ecx, edi
jae 0x461cdd
lea eax, [ecx + 1]
mov byte [ecx], 0xff
mov dword [edi], eax
cmp eax, edi
jae 0x461cf1
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x461cf1
mov byte [eax], 0x1f
inc dword [edi]
movzx eax, word [ebp + 0x1ca8]
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
movzx eax, ax
mov dword [esp + 0x18], eax
movzx eax, word [ebp + 0x1caa]
push eax
call esi
mov edx, dword [esp + 0x18]
movzx ecx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x461d5b
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x461d5b
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x461d5b
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x461d5b
shr ecx, 8
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x461d5b
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x461d5b
mov byte [eax], 0xf0
mov eax, dword [edi]
inc eax
mov dword [ebp + 0x1ec8], eax
lea esi, [ebp + 0x1cc4]
sub eax, esi
mov dword [edi], esi
sub eax, 2
push eax
lea eax, [ebp + 0x1cc6]
push eax
push 0x3e
push ebx
call fcn.00461810
mov eax, dword [esp + 0x20]
add esp, 0x10
mov edi, dword [sym.imp.WS2_32.dll_send]
push 0
push 3
push esi
push dword [eax + 0x1a0]
call edi
mov esi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x461db3
call esi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00444790
add esp, 0xc
push 4
lea eax, [ebp + 0x1cc7]
push eax
push ebx
call fcn.00461b60
add esp, 0xc
lea eax, [ebp + 0x1ccb]
push 0
push 2
push eax
mov eax, dword [esp + 0x1c]
push dword [eax + 0x1a0]
call edi
test eax, eax
jns 0x461df1
call esi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00444790
add esp, 0xc
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
Function at 0x4631f0
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x8c
mov eax, dword [0x4a4014]
xor eax, esp
mov dword [esp + 0x88], eax
push ebx
push ebp
mov ebp, dword [esp + 0x98]
xor ebx, ebx
push esi
push edi
mov eax, dword [ebp + 0x18]
mov edi, dword [eax + 0x430]
lea eax, [esp + 0x10]
push eax
mov dword [esp + 0x14], 0x80
lea eax, [esp + 0x1c]
push eax
mov eax, dword [edi + 0x13c]
push ebx
add eax, 4
push eax
push dword [edi + 0x148]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
mov dword [edi + 0x134], eax
cmp dword [edi + 0x130], ebx
jne 0x463276
push dword [esp + 0x10]
lea eax, [esp + 0x1c]
push eax
lea eax, [edi + 0xb0]
push eax
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [esp + 0x1c]
add esp, 0xc
mov dword [edi + 0x130], eax
mov esi, dword [edi + 0x134]
cmp esi, 4
jge 0x4632b1
push str.Received_too_short_packet
push ebp
call fcn.00444790
add esp, 8
mov dword [edi + 0xc], 7
mov eax, ebx
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0042b8bd
add esp, 0x8c
ret
mov edx, dword [edi + 0x148]
movzx eax, byte [edx]
movzx ecx, byte [edx + 1]
shl eax, 8
or ecx, eax
mov dword [edi + 0xc], ecx
dec ecx
cmp ecx, 5
ja case.0x4632d0.1
jmp dword [ecx*4 + 0x4633bc]
cmp esi, 4
jle case.0x4632d0.4
movzx ecx, byte [edx + 2]
movzx eax, byte [edx + 3]
shl ecx, 8
or ecx, eax
movzx eax, word [edi + 0x144]
inc eax
movzx eax, ax
cmp eax, ecx
jne case.0x4632d0.4
lea eax, [esi - 4]
push eax
lea eax, [edx + 4]
push eax
push 1
push ebp
call fcn.004459f0
mov ebx, eax
add esp, 0x10
test ebx, ebx
je case.0x4632d0.4
push 5
push edi
call fcn.00463cd0
add esp, 8
jmp 0x463296
movzx ecx, byte [edx + 2]
lea eax, [edx + 4]
mov dword [esp + 0x14], eax
add esi, 0xfffffffc
movzx eax, byte [edx + 3]
shl ecx, 8
or ecx, eax
lea eax, [edx + 4]
push esi
push eax
mov dword [edi + 8], ecx
call fcn.00463d40
add esp, 8
cmp eax, esi
jae case.0x4632d0.4
push dword [esp + 0x14]
push str.TFTP_error:__s
push ebp
call fcn.00444860
jmp 0x463391
lea eax, [esi - 2]
push eax
lea eax, [edx + 2]
push eax
push edi
call fcn.00462fa0
mov ebx, eax
add esp, 0xc
test ebx, ebx
je case.0x4632d0.4
jmp 0x463296
push str.Internal_error:_Unexpected_packet
push 0x48d0e0
push ebp
call fcn.00444790
add esp, 0xc
push ebp
call fcn.00457f60
add esp, 4
test eax, eax
je 0x463296
push 5
push edi
call fcn.00463cd0
add esp, 8
mov eax, 0x2a
jmp 0x463298