OWASP ModSec CRS Paranoia Mode Sibling 950907

This page contains a proposal for a stricter rule-clone for ModSecurity CRS Paranoia Mode.

950907 : OS Command Injection Attacks

RuleID 2.2.x	RuleID 3.0.0-rc1 (original Rule)	RuleID 3.0.0-rc1 (paranoid Rule)	Change	Whitelisting
950907	932100	932101-932104	Rule now triggers on it's own	none

 #
 # OS Command Injection Attacks
 #
 # This is a paranoid sibling to 2.2.x Rule 950907.
 # The rule is no longer chained in order to trigger anomaly scoring.
 # For 3.0.0-rc1 rule, see 932100. 
 #
 SecRule REQUEST_COOKIES|!REQUEST_COOKIES:/__utm/|REQUEST_COOKIES_NAMES|ARGS_NAMES|ARGS|XML:/* "@pmf os-commands.data" \
       "msg:'Remote Command Execution (RCE) Attempt',\
       phase:request,\
       rev:'2',\
       ver:'OWASP_CRS/3.0.0',\
       maturity:'9',\
       accuracy:'8',\
       t:none,t:normalisePath,\
       ctl:auditLogParts=+E,\
       block,\
       id:'XXXXXX',\
       tag:'application-multi',\
       tag:'language-multi',\
       tag:'platform-multi',\
       tag:'attack-remote code execution',\
       tag:'OWASP_CRS/WEB_ATTACK/COMMAND_INJECTION',\
       tag:'WASCTC/WASC-31',\
       tag:'OWASP_TOP_10/A1',\
       tag:'PCI/6.5.2',\
       logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\
       severity:'CRITICAL',\
       setvar:'tx.msg=%{rule.msg}',\
       setvar:tx.rce_score=+%{tx.critical_anomaly_score},\
       setvar:tx.anomaly_score=+%{tx.critical_anomaly_score},\
       setvar:tx.%{rule.id}-OWASP_CRS/WEB_ATTACK/RCE-%{matched_var_name}=%{tx.0}"