(YARA) Detect Interrupts 2
rule Detect_Interrupt: AntiDebug {
meta:
description = "Detect Interrupt instruction"
author = "Unprotect"
comment = "Experimental rule / the rule can be slow to use"
strings:
$int3 = { CC }
$intCD = { CD }
$int03 = { 03 }
$int2D = { 2D }
$ICE = { F1 }
condition:
uint16(0) == 0x5A4D and filesize < 1000KB and any of them
}
Associated Techniques
| Technique Name | Technique ID's | Categories | Snippet(s) |
|---|---|---|---|
| INT3 Instruction Scanning | U0105 B0001.025 |
|
|
| INT 0x2D | U0129 B0001.006 |
|
|
| ICE 0xF1 | U0130 |
|
Matching Samples 10 most recent
| Sample Name | Matching Techniques | First Seen | Last Seen |
|---|---|---|---|
| Protein_x64.3.17.dll | 3 | 2026-07-24 | 1 week, 4 days ago |
| Dapper.dll | 5 | 2026-07-23 | 1 week, 5 days ago |
| DotNetZip.dll | 7 | 2026-07-21 | 2 weeks ago |
| albsci2.exe | 4 | 2026-07-15 | 2 weeks, 6 days ago |
| 30fb52e4bd3c4866a7b6ccedcfa7...3440ca022986a6781af669272639 | 8 | 2026-06-25 | 1 month, 1 week ago |
| GetConnection3.exe | 3 | 2026-06-05 | 1 month, 4 weeks ago |
| vfcompat.dll | 8 | 2026-05-29 | 2 months ago |
| moduledll.dll | 6 | 2026-04-24 | 3 months, 1 week ago |
| merged.exe | 6 | 2026-04-24 | 3 months, 1 week ago |
| USBWatcher.exe | 7 | 2026-04-18 | 3 months, 2 weeks ago |
Created
June 22, 2022
Last Revised
March 27, 2026