(YARA) YARA_disable_process

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rule UNPROTECT_disable_process {
    meta:
	author = "Thomas Roccia | @fr0gger_"
	description = "Disable blacklisted processes"
    strings:
        $api1 = "CreateToolhelp32Snapshot" nocase
        $api2 = "Process32First" nocase
        $api3 = "Process32Next" nocase
        $api4 = "TerminateProcess" nocase
        $api5 = "NtGetNextProcess" nocase
        $p1 = "taskkill.exe" nocase
        $p2 = "tskill.exe" nocase
    condition:
        uint32(uint32(0x3C)) == 0x4550 and 2 of ($api*) or any of ($p*) 
}

Associated Techniques

Technique Name Technique ID's Snippet(s) OS
Kill Process U0403

Matching Samples 10 most recent

Sample Name Matching Techniques First Seen Last Seen
hello.exe 6 2026-03-18 2 days, 16 hours ago
passper-for-rar_setup-com_passper.exe 8 2026-02-18 1 month ago
patcher - ORIGINAL.dll 5 2026-02-10 1 month, 1 week ago
x64_Acrobat.exe 9 2026-01-30 1 month, 3 weeks ago
x64_Acrobat.exe 9 2026-01-30 1 month, 3 weeks ago
TS_4775.tmp 7 2025-12-23 2 months, 3 weeks ago
reqloghad.dll 7 2025-12-22 2 months, 3 weeks ago
MBSetup (3).exe 6 2025-10-18 3 months ago
setup.exe 11 2025-12-09 3 months, 1 week ago
pafish64.exe 10 2025-12-06 3 months, 2 weeks ago
View All

Created

June 20, 2022

Last Revised

June 20, 2022