AdGholas_mem_antisec_M2
YARA-2025-1095
Medium
general
Active
No description available for this rule
AdGholas_mem_antisec_M2.yar
Valid Syntax
rule AdGholas_mem_antisec_M2
{
meta:
malfamily = "AdGholas"
author = "Proofpoint"
reference = "https://www.proofpoint.com/us/threat-insight/post/massive-adgholas-malvertising-campaigns-use-steganography-and-file-whitelisting-to-hide-in-plain-sight"
reference2 = "https://blog.malwarebytes.com/cybercrime/exploits/2016/12/adgholas-malvertising-business-as-usual/"
strings:
$s1 = "ActiveXObject(\"Microsoft.XMLDOM\")" nocase ascii wide
$s2 = "loadXML" nocase ascii wide fullword
$s3 = "parseError.errorCode" nocase ascii wide
$s4 = /res\x3a\x2f\x2f[\x27\x22]\x2b/ nocase ascii wide
$s5 = /\x251e3\x21\s*\x3d\x3d\s*[a-zA-Z]+\x3f1\x3a0/ nocase ascii wide
condition:
all of ($s*)
}
Rule Metadata
malfamily
AdGholas
author
Proofpoint
reference
https://www.proofpoint.com/us/threat-insight/post/massive-adgholas-malvertising-campaigns-use-steganography-and-file-whitelisting-to-hide-in-plain-sight
reference2
https://blog.malwarebytes.com/cybercrime/exploits/2016/12/adgholas-malvertising-business-as-usual/
String Definitions
{"name":"$s1","value":"\"ActiveXObject(\\\"Microsoft.XMLDOM\\\")\" nocase ascii wide"}
{"name":"$s2","value":"\"loadXML\" nocase ascii wide fullword"}
{"name":"$s3","value":"\"parseError.errorCode\" nocase ascii wide"}
{"name":"$s4","value":"\/res\\x3a\\x2f\\x2f[\\x27\\x22]\\x2b\/ nocase ascii wide"}
{"name":"$s5","value":"\/\\x251e3\\x21\\s*\\x3d\\x3d\\s*[a-zA-Z]+\\x3f1\\x3a0\/ nocase ascii wide"}
Threat Analysis
This YARA rule is designed to detect general threats.
Severity Level: Medium
The rule uses pattern matching to identify specific byte sequences, strings, or behavioral patterns associated with malicious activity.
Detection Capabilities
- File-based detection for executables and documents
- Memory scanning for running processes
- Network traffic analysis support
Command Line Usage
# Scan a single file yara AdGholas_mem_antisec_M2.yar /path/to/suspicious/file # Scan a directory recursively yara -r AdGholas_mem_antisec_M2.yar /path/to/directory/ # Scan with metadata output yara -m AdGholas_mem_antisec_M2.yar target_file # Scan process memory (Linux) yara AdGholas_mem_antisec_M2.yar /proc/[pid]/exe
Integration Examples
Python (yara-python)
import yara
rules = yara.compile(filepath='AdGholas_mem_antisec_M2.yar')
matches = rules.match('/path/to/file')
ClamAV Integration
clamscan --yara-rules=AdGholas_mem_antisec_M2.yar /path/to/scan
Rule Information
YARA ID
YARA-2025-1095
Author
Repository
Created
August 19, 2025
Last Updated
August 19, 2025
Last Imported
Never
Threat Intelligence
Risk Level
Medium
Category
general
Detection Confidence
Analysis Pending
False Positive Rate
Not Available
Last Seen in Wild
No Data
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