(YARA) YARA_XOR_Hunt
rule XOR_hunt
{
meta:
author = "Thomas Roccia | @fr0gger_"
description = "100DaysOfYara - An attempt to catch malicious/suspicious pe file using xor for some data"
status = "experimental"
strings:
$s1 = "http://" xor
$s2 = "https://" xor
$s3 = "ftp://" xor
$s4 = "This program cannot be run in DOS mode" xor
$s5 = "Mozilla/5.0" xor
$s6 = "cmd /c" xor
$s7 = "-ep bypass" xor
condition:
uint16(0) == 0x5A4D and any of them
}
Associated Techniques
Technique Name | Technique ID's | Snippet(s) | OS |
---|---|---|---|
XOR Operation | U0701 E1027.m02 |
Matching Samples 10 most recent
Sample Name | Matching Techniques | First Seen | Last Seen |
---|---|---|---|
pic.exe | 4 | 2025-07-22 | 3 days, 11 hours ago |
CSbypass.exe | 5 | 2025-07-20 | 5 days, 10 hours ago |
a79c459ddf25a2b94ec9cdc9d71f...97f842ea4dd6cbff237de8dc.exe | 1 | 2025-07-20 | 5 days, 22 hours ago |
AIEngineDestroyer.exe | 5 | 2025-07-17 | 1 week, 1 day ago |
AIEngineDestroyer.exe | 5 | 2025-07-17 | 1 week, 1 day ago |
AIEngineDestroyer.exe | 5 | 2025-07-17 | 1 week, 1 day ago |
miniMax.exe | 3 | 2025-07-14 | 1 week, 4 days ago |
IObitUnlocker.sys | 5 | 2025-07-12 | 1 week, 6 days ago |
ePSXe.exe | 7 | 2025-07-12 | 1 week, 6 days ago |
WhatsApp.exe | 4 | 2025-07-11 | 2 weeks ago |
Created
January 4, 2024
Last Revised
January 4, 2024