mirror of
https://github.com/horsicq/Detect-It-Easy.git
synced 2026-06-24 01:54:08 +00:00
9e621e1954
Renamed and moved numerous .sg files in the db directory to follow a more consistent naming convention and directory structure, grouping by type (e.g., compiler, cruncher, packer, protector, etc.). This improves maintainability and clarity of the signature database organization.
58 lines
No EOL
1.8 KiB
JavaScript
58 lines
No EOL
1.8 KiB
JavaScript
// Detect It Easy: detection rule file
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// Author: hypn0 <hypn0@mail.ru>
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meta("protector", "ProtEXE");
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function detect() {
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// new algo
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var ep_off = MSDOS.getEntryPointOffset();
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var i = 0;
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while (i < 20) {
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i++;
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switch (MSDOS.readByte(ep_off)) {
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case 0xE9:
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{
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var addr = MSDOS.readWord(ep_off + 1);
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if (addr > 0x7fff) { ep_off = ep_off - (0xffff - addr) + 2 } else { ep_off = ep_off + addr + 3 }
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break;
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}
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case 0xE8:
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{
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var addr = MSDOS.readWord(ep_off + 1);
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if (addr > 0x7fff) { ep_off = ep_off - (0xffff - addr) + 2 } else { ep_off = ep_off + addr + 3 }
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break;
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}
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case 0xEB:
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{
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var addr = MSDOS.readByte(ep_off + 1);
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if (addr > 0x7f) { ep_off = ep_off - (0xff - addr) + 1 } else { ep_off = ep_off + addr + 2 }
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break;
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}
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}
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var a = MSDOS.readByte(ep_off);
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if ((a == 0xbb || a == 0xbe || a == 0xbf) && MSDOS.compare("0600", ep_off + 1)) {
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sVersion = "3.10-3.11";
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bDetected = true;
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break;
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}
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if (a != 0xbb && a != 0xbe && a != 0xbf && a != 0xe9 && a != 0xe8 && a != 0xeb) {
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break;
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}
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}
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// some old sigs
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if (MSDOS.compareEP("9c9c5825....509d9c5825....3d....74..9c5825....0d....509d9c5825....74..ba....b0..eb")) {
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sVersion = "2.11";
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bDetected = true;
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} else if (MSDOS.compareEP("9c505351525657551e06fcb8....cd2184c075..cd20a8..04..eb$$eb$$ba....ec0c..eb")) {
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sVersion = "3.0";
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sOptions = "by T.Torfs";
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bDetected = true;
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}
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return result();
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} |