Versions (3)
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Rev: 2 • Sep 17, 2015, 12:00 PMET MALWARE Possible Passthru/Kshell Port Redirection Initiation
alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET MALWARE Possible Passthru/Kshell Port Redirection Initiation"; flow:to_server,established; dsize:11; content:"chkroot2007"; fast_pattern; reference:md5,f7146691adea573548fa040fb182f4fe; reference:url,trendmicro.com/cloud-content/us/pdfs/security-intelligence/white-papers/wp-operation-iron-tiger.pdf; classtype:trojan-activity; sid:2021796; rev:2; metadata:created_at 2015_09_17, confidence Medium, signature_severity Major, updated_at 2019_10_08;)
Sep 17, 2015, 12:00 PM
Oct 8, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules