joyce8/EMBER2024-capa huggingface dataset:
Function at 0x1400999e8
Capabilities:
Encode data using xor

Disassembly:
test r9, r9
je 0x140099aae
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rbp
mov qword [rsp + 0x18], rsi
push rdi
push r14
push r15
sub rsp, 0x30
mov rbx, r9
mov r15d, 4
mov rdi, r8
mov rsi, rdx
mov r14, rcx
cmp rbx, r15
jb 0x140099a79
mov rbp, rbx
shr rbp, 2
imul rax, rbp, 0xfffffffffffffffc
add rbx, rax
mov r8, r15
lea rcx, [rsp + 0x20]
mov rdx, rsi
call sub.VCRUNTIME140.dll_memcpy
mov r8, r15
lea rcx, [rsp + 0x68]
mov rdx, rdi
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [rsp + 0x68]
lea rdx, [rsp + 0x24]
xor eax, dword [rsp + 0x20]
mov r8, r15
mov rcx, r14
mov dword [rsp + 0x24], eax
call sub.VCRUNTIME140.dll_memcpy
add r14, r15
add rsi, r15
add rdi, r15
sub rbp, 1
jne 0x140099a2e
test rbx, rbx
je 0x140099a96
sub rsi, rdi
sub r14, rdi
mov al, byte [rsi + rdi]
xor al, byte [rdi]
mov byte [r14 + rdi], al
inc rdi
sub rbx, 1
jne 0x140099a84
mov rbx, qword [rsp + 0x50]
mov rbp, qword [rsp + 0x58]
mov rsi, qword [rsp + 0x60]
add rsp, 0x30
pop r15
pop r14
pop rdi
ret

Function at 0x140099ab0
Capabilities:
Encode data using xor

Disassembly:
test r8, r8
je 0x140099b5d
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rbp
push rsi
push rdi
push r14
sub rsp, 0x30
mov rbx, r8
mov r14d, 4
mov rsi, rdx
mov rdi, rcx
cmp rbx, r14
jb 0x140099b35
mov rbp, rbx
shr rbp, 2
imul rax, rbp, 0xfffffffffffffffc
add rbx, rax
mov r8, r14
lea rcx, [rsp + 0x68]
mov rdx, rdi
call sub.VCRUNTIME140.dll_memcpy
mov r8, r14
lea rcx, [rsp + 0x60]
mov rdx, rsi
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [rsp + 0x60]
lea rdx, [rsp + 0x20]
xor eax, dword [rsp + 0x68]
mov r8, r14
mov rcx, rdi
mov dword [rsp + 0x20], eax
call sub.VCRUNTIME140.dll_memcpy
add rdi, r14
add rsi, r14
sub rbp, 1
jne 0x140099aed
test rbx, rbx
je 0x140099b4b
sub rsi, rdi
mov al, byte [rsi + rdi]
xor byte [rdi], al
inc rdi
sub rbx, 1
jne 0x140099b3d
mov rbx, qword [rsp + 0x50]
mov rbp, qword [rsp + 0x58]
add rsp, 0x30
pop r14
pop rdi
pop rsi
ret
Function at 0x14009fa74
Capabilities:
Encrypt data using aes via x86 extensions

Disassembly:
movdqu xmm1, xmmword [rcx]
mov r9d, 4
shl edx, 2
mov r8, rcx
movdqu xmm0, xmmword [rcx + rdx*4]
movdqu xmmword [rcx], xmm0
movdqu xmmword [rcx + rdx*4], xmm1
add edx, 0xfffffffc
cmp edx, r9d
jbe 0x14009fac3
aesimc xmm0, xmmword [r8 + rdx*4]
mov ecx, r9d
add r9d, 4
aesimc xmm1, xmmword [r8 + rcx*4]
movdqu xmmword [r8 + rcx*4], xmm0
movdqu xmmword [r8 + rdx*4], xmm1
add edx, 0xfffffffc
cmp r9d, edx
jb 0x14009fa9a
mov eax, r9d
aesimc xmm0, xmmword [r8 + rax*4]
movdqu xmmword [r8 + rax*4], xmm0
ret

Function at 0x1400a0d5c
Capabilities:
Parse pe header

Disassembly:
sub rsp, 0x28
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test rax, rax
je 0x1400a0da6
mov ecx, 0x5a4d
cmp word [rax], cx
jne 0x1400a0da6
movsxd rcx, dword [rax + 0x3c]
add rcx, rax
cmp dword [rcx], 0x4550
jne 0x1400a0da6
mov eax, 0x20b
cmp word [rcx + 0x18], ax
jne 0x1400a0da6
cmp dword [rcx + 0x84], 0xe
jbe 0x1400a0da6
cmp dword [rcx + 0xf8], 0
setne al
jmp 0x1400a0da8
xor al, al
add rsp, 0x28
ret