alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTPS_PORT (msg: "[WINDOWS-OWA-CORRELATED] Login failure after suspicious activity"; content: "/ews/exchange.asmx"; nocase; classtype: correlated-attack; flowbits: isset,by_src,recon|honeypot; fwsam: src, 1 day; parse_src_ip: 1; parse_dst_ip: 2; reference: url,wiki.quadrantsec.com/bin/view/Main/5002391; sid:5002391; rev:1;)
-- Main.Sagan-Wiki-Add - 2015-10-21
New revisions of 5002391 will be below...
alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTPS_PORT (msg: "[WINDOWS-OWA-CORRELATED] Login failure after suspicious activity"; content: "/ews/exchange.asmx"; nocase; classtype: correlated-attack; flowbits: isset,by_src,recon|honeypot|exploit_attempt; fwsam: src, 1 day; parse_src_ip: 1; parse_dst_ip: 2; reference: url,wiki.quadrantsec.com/bin/view/Main/5002391; sid:5002391; rev:2;)
-- Main.Sagan-Wiki-Add - 2016-11-7