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Rev: 6 • Oct 9, 2014, 12:00 PMET EXPLOIT_KIT DRIVEBY Generic CollectGarbage in JJEncode (Observed in Sednit)
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT DRIVEBY Generic CollectGarbage in JJEncode (Observed in Sednit)"; flow:established,from_server; file_data; content:".__$+"; pcre:"/^(?P<sep>.{1,20})\.___\+(?P=sep)\._\$\$\+(?P=sep)\._\$\+\(\!\[\]\+\x22\x22\)\[(?P=sep)\._\$_\]\+\(\!\[\]\+\x22\x22\)\[(?P=sep)\._\$_\]\+(?P=sep)\.\$\$\$_\+(?P=sep)\.\$\$__\+(?P=sep)\.__\+\x22\x5c\x5c\x22\+(?P=sep)\.__\$\+(?P=sep)\.___\+(?P=sep)\.\$\$\$\+(?P=sep)\.\$_\$_\+\x22\x5c\x5c\x22\+(?P=sep)\.__\$\+(?P=sep)\.\$\$_\+(?P=sep)\._\$_\+(?P=sep)\.\$_\$\$\+(?P=sep)\.\$_\$_\+\x22\x5c\x5c\x22\+(?P=sep)\.__\$\+(?P=sep)\.\$__\+(?P=sep)\.\$\$\$\+(?P=sep)\.\$\$\$_\+/R"; reference:url,www.welivesecurity.com/2014/10/08/sednit-espionage-group-now-using-custom-exploit-kit/; classtype:targeted-activity; sid:2019373; rev:6; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2014_10_09, deployment Perimeter, confidence Medium, signature_severity Major, tag DriveBy, updated_at 2019_07_26;)
Oct 9, 2014, 12:00 PM
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rules/emerging-exploit_kit.rules