VMProtect Software » Forum

Code: Select all

int someFunction() {
    assert(!m_path.empty());

    if (m_path.empty()) {
        return global_error;
    }
    std::vector<unsigned char> data;

    int err = OpenFile(m_path, data);
    if (err != 0) {
        m_path /= "/add/some/path";
        err = OpenFile(m_path, data);
        if (err != 0) {
            return err;
        }
    }

    uint8_t* pb = &data[0];
    int cb = static_cast<int>(data.size());

    uint32_t tagMask = 0;

    while (cb > 0) {
        uint8_t tag = *pb;
        cb--;
        pb++;

        uint32_t length = 0;
        fileReadInt(...);
        if (length > static_cast<uint32_t>(cb)) {
            break;
        }

        if (tag == 2) {    
            fileReadInt(...);
            length = 0;
        }
        else if (tag == 3) {
            if (...) {
                assert (...);
                memmove (...);
                memmove (...);
            }
        }
        else if (tag == 4) {
            if (...) {
                assert (...);
                memmove (...);
            }
        }
        else if (tag == 5) {
            if (...) {
                assert (...);
                memmove (...);
            }
        }
        else if (tag == 6) {
            fileReadInt(...);
            length = 0;
        }

        pb += length;
        cb -= length;
    };

    if (...) {
        return global_error;
    }
    return 0;
}

Code: Select all

...
0000000180104006 E8 D5D3F4FF	call 00000001800513E0 → std::vector<char,class std::allocator<char> >::_Xlength(void)
000000018010400B 90	nop
000000018010400C AD	lodsd
000000018010400D 3910	cmp [rax], edx
000000018010400F 0019	add [rcx], bl
0000000180104011 3B10	cmp edx, [rax]
0000000180104013 009D 3C100009	add [rbp+000000000900103C], bl
0000000180104019 3E:1000	adc ds:[rax], al
000000018010401C 9E	sahf
000000018010401D 3F	db 3F
00000001806A3968 22059319	dd 19930522 Magic
00000001806A396C 0D000000	dd 0000000D MaxState
00000001806A3970 28F57D00	dd 007DF528 UnwindMapEntry
00000001806A3974 00000000	dd 00000000 TryBlocks
00000001806A3978 00000000	dd 00000000 TryBlockMapEntry
00000001806A397C 0F000000	dd 0000000F IPMapEntries
00000001806A3980 90F57D00	dd 007DF590 IPtoStateMap
00000001806A3984 78000000	dd 00000078 UnwindHelp
00000001806A3988 00000000	dd 00000000 ESTypeList
00000001806A398C 01000000	dd 00000001 Flags