This detection rule identifies the presence of a legacy hacking tool named “entice.asp,” which adversaries may deploy to establish persistence or execute reconnaissance within the environment. A proactive hunt is essential in Azure Sentinel because this specific artifact represents an outdated component that could indicate a dormant threat or a lateral movement attempt leveraging known, yet potentially overlooked, attack vectors.
rule aspbackdoor_entice {
meta:
description = "Disclosed hacktool set (old stuff) - file entice.asp"
author = "Florian Roth"
date = "23.11.14"
score = 60
hash = "e273a1b9ef4a00ae4a5d435c3c9c99ee887cb183"
strings:
$s0 = "<Form Name=\"FormPst\" Method=\"Post\" Action=\"entice.asp\">" fullword ascii
$s2 = "if left(trim(request(\"sqllanguage\")),6)=\"select\" then" fullword ascii
$s4 = "conndb.Execute(sqllanguage)" fullword ascii
$s5 = "<!--#include file=sqlconn.asp-->" fullword ascii
$s6 = "rstsql=\"select * from \"&rstable(\"table_name\")" fullword ascii
condition:
all of them
}
This YARA rule can be deployed in the following contexts:
This rule contains 5 string patterns in its detection logic.
Here are 5 specific false positive scenarios for the Disclosed hacktool set (old stuff) - file entice.asp detection rule, including suggested filters and exclusions:
Legacy HR Portal Maintenance Script
entice.asp to sync employee data from an on-premise SQL database to the legacy intranet portal. This script is hosted in the C:\Intranet\HR\Scripts directory and executes via IIS Application Pool under the NT SERVICE\IIS APPPOOL\HR-Portal account.C:\Intranet\HR\Scripts\entice.asp AND process name w3wp.exe. Additionally, exclude events where the parent process is svchost.exe running under the specific IIS AppPool identity.Quarterly Compliance Reporting Tool
.asp architecture to generate quarterly compliance PDFs. This tool is launched manually by the Finance-Admin group via a shortcut that invokes entice.asp located in C:\Program Files\ComplianceTools\Reports.C:\Program Files\ComplianceTools\Reports\entice.asp AND the user context belongs to the Finance-Admin security group.Automated Asset Inventory Scan
entice.asp) to query hardware inventory from the network management server