(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 |
---|---|---|---|
StartIsBack++ [Silent Setup).exe | 3 | 2025-02-21 | 22 hours, 40 minutes ago |
noui.exe | 8 | 2025-02-20 | 1 day, 14 hours ago |
dt_socket.exe_ | 7 | 2025-02-20 | 1 day, 17 hours ago |
stub_modified.exe | 7 | 2025-02-18 | 3 days, 15 hours ago |
payload.exe | 7 | 2025-02-18 | 3 days, 15 hours ago |
encrypt.exe | 7 | 2025-02-18 | 3 days, 15 hours ago |
twain_32.dll | 7 | 2025-02-17 | 4 days, 10 hours ago |
csgo.dll | 10 | 2025-02-17 | 4 days, 12 hours ago |
libEGL.dll | 8 | 2025-02-12 | 1 week, 2 days ago |
slipknot hackvshack.net.dll | 5 | 2025-02-12 | 1 week, 2 days ago |
Created
January 4, 2024
Last Revised
January 4, 2024