(YARA) Detect Unhandled Exception Filters

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rule Detect_SuspendThread: AntiDebug {
    meta: 
        description = "Detect SuspendThread as anti-debug"
        author = "Unprotect"
        comment = "Experimental rule"
    strings:
        $1 = "UnhandledExcepFilter" fullword ascii
        $2 = "SetUnhandledExceptionFilter" fullword ascii
    condition:   
       uint16(0) == 0x5A4D and filesize < 1000KB and any of them 
}

Associated Techniques

Technique Name Technique ID's Categories Snippet(s)
Unhandled Exception Filter U0108 B0001.030

Matching Samples 10 most recent

Sample Name Matching Techniques First Seen Last Seen
merged.exe 6 2026-04-24 6 days, 5 hours ago
USBWatcher.exe 7 2026-04-18 1 week, 5 days ago
CVE-2026-20817_PoC.exe 8 2026-04-09 3 weeks ago
Raid.exe 7 2026-04-08 3 weeks ago
rootkit.exe 10 2026-03-24 1 month ago
spread.exe 6 2026-03-24 1 month ago
ngen.exe 7 2026-03-20 1 month, 1 week ago
write.exe 5 2026-03-20 1 month, 1 week ago
UnPackMe_VMProtect_1.53.exe 7 2026-03-19 1 month, 1 week ago
Malware.unknown.exe.malz 8 2026-02-22 2 months, 1 week ago
View All

Created

June 22, 2022

Last Revised

March 27, 2026