(YARA) YARA_disable_process
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 |
|---|---|---|---|
| frostygoop.exe | 7 | 2025-10-24 | 4 days, 15 hours ago |
| MBSetup (3).exe | 6 | 2025-10-18 | 1 week, 3 days ago |
| ri_setup_full4134_UjiwJcEu.exe | 7 | 2025-10-02 | 3 weeks, 5 days ago |
| hid-tools.dll | 13 | 2025-09-22 | 1 month, 1 week ago |
| Yandex.exe | 8 | 2025-09-20 | 1 month, 1 week ago |
| test.exe | 8 | 2025-09-20 | 1 month, 1 week ago |
| 0b98de4fbe9e42aa1b79f642c241...ac19b3fc5400705cfba61968.exe | 5 | 2025-08-13 | 2 months, 2 weeks ago |
| Клиент.exe | 9 | 2025-07-01 | 3 months, 3 weeks ago |
| libcrypto-1_1.dll | 7 | 2025-07-01 | 3 months, 3 weeks ago |
| test.exe | 7 | 2025-06-20 | 4 months, 1 week ago |
Created
June 20, 2022
Last Revised
June 20, 2022