(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 |
---|---|---|---|
pdf2txtocr.exe | 3 | 2025-08-15 | 6 hours, 59 minutes ago |
x360ce.exe | 4 | 2025-08-13 | 2 days, 8 hours ago |
0b98de4fbe9e42aa1b79f642c241...ac19b3fc5400705cfba61968.exe | 5 | 2025-08-13 | 2 days, 19 hours ago |
preloader_s.dll | 6 | 2025-08-12 | 3 days, 8 hours ago |
Krbtool.exe | 8 | 2025-08-11 | 4 days, 14 hours ago |
reshacker_setup.exe | 4 | 2025-08-09 | 6 days, 8 hours ago |
WinMemoryCleaner.exe | 6 | 2025-08-07 | 1 week, 1 day ago |
hemlockwin.exe | 8 | 2025-08-06 | 1 week, 2 days ago |
Audition1.exe | 1 | 2025-08-06 | 1 week, 2 days ago |
TeraCopy.exe | 1 | 2025-08-06 | 1 week, 2 days ago |
Created
January 4, 2024
Last Revised
January 4, 2024