#alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET DELETED Adware Istbar Search Hijacker and Downloader"; flow:established,to_client; content:"200"; http_stat_code; content:"OK"; nocase; http_stat_msg; content:"Content-Type|3a| qvod_update"; nocase; http_header; content:"|5b|AGENTLIST|5d 0d 0a|ip0="; nocase; content:"|0d 0a|port0="; nocase; within:25; content:"|0d 0a 0d 0a|ip1="; nocase; content:"|0d 0a|port1="; nocase; within:25; reference:url,www.pctools.com/mrc/infections/id/Trojan.ISTbar/; reference:url,www.threatexpert.com/reports.aspx?find=Trojan.ISTbar; reference:url,doc.emergingthreats.net/2009597; classtype:trojan-activity; sid:2009597; rev:6;)

Added 2012-09-26 23:46:42 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET MALWARE Adware Istbar Search Hijacker and Downloader"; flow:established,to_client; content:"200"; http_stat_code; content:"OK"; nocase; http_stat_msg; content:"Content-Type|3a| qvod_update"; nocase; http_header; content:"|5b|AGENTLIST|5d 0d 0a|ip0="; nocase; content:"|0d 0a|port0="; nocase; within:25; content:"|0d 0a 0d 0a|ip1="; nocase; content:"|0d 0a|port1="; nocase; within:25; reference:url,www.pctools.com/mrc/infections/id/Trojan.ISTbar/; reference:url,www.threatexpert.com/reports.aspx?find=Trojan.ISTbar; reference:url,doc.emergingthreats.net/2009597; classtype:trojan-activity; sid:2009597; rev:5;)

Added 2011-10-12 19:27:50 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET MALWARE Adware Istbar Search Hijacker and Downloader"; flow:established,to_client; content:"200"; http_stat_code; content:"OK"; nocase; http_stat_msg; content:"Content-Type|3a| qvod_update"; nocase; http_header; content:"|5b|AGENTLIST|5d 0d 0a|ip0="; nocase; content:"|0d 0a|port0="; nocase; within:25; content:"|0d 0a 0d 0a|ip1="; nocase; content:"|0d 0a|port1="; nocase; within:25; classtype:trojan-activity; reference:url,www.pctools.com/mrc/infections/id/Trojan.ISTbar/; reference:url,www.threatexpert.com/reports.aspx?find=Trojan.ISTbar; reference:url,doc.emergingthreats.net/2009597; sid:2009597; rev:5;)

Added 2011-09-14 22:41:09 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET MALWARE Adware Istbar Search Hijacker and Downloader"; flow:established,to_client; content:"200"; http_stat_code; content:"OK"; nocase; http_stat_msg; content:"Content-Type|3a| qvod_update"; nocase; http_header; content:"|5b|AGENTLIST|5d 0d 0a|ip0="; nocase; content:"|0d 0a|port0="; nocase; within:25; content:"|0d 0a 0d 0a|ip1="; nocase; content:"|0d 0a|port1="; nocase; within:25; classtype:trojan-activity; reference:url,www.pctools.com/mrc/infections/id/Trojan.ISTbar/; reference:url,www.threatexpert.com/reports.aspx?find=Trojan.ISTbar; reference:url,doc.emergingthreats.net/2009597; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_Istbar; sid:2009597; rev:5;)

Added 2011-02-04 17:28:57 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET MALWARE Adware Istbar Search Hijacker and Downloader"; flow:established,to_client; content:" 200 OK|0d 0a|"; nocase; depth:64; content:"|0d 0a|Content-Type|3a| qvod_update|0d 0a|"; nocase; content:"|0d 0a 0d 0a 5b|AGENTLIST|5d 0d 0a|ip0="; nocase; content:"|0d 0a|port0="; nocase; within:25; content:"|0d 0a 0d 0a|ip1="; nocase; content:"|0d 0a|port1="; nocase; within:25; reference:url,www.pctools.com/mrc/infections/id/Trojan.ISTbar/; reference:url,www.threatexpert.com/reports.aspx?find=Trojan.ISTbar; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2009597; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_Istbar; sid:2009597; rev:2;)

Added 2009-07-16 11:30:35 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET MALWARE Adware Istbar Search Hijacker and Downloader"; flow:established,to_client; content:" 200 OK|0d 0a|"; nocase; depth:64; content:"|0d 0a|Content-Type|3a| qvod_update|0d 0a|"; nocase; content:"|0d 0a 0d 0a 5b|AGENTLIST|5d 0d 0a|ip0="; nocase; content:"|0d 0a|port0="; nocase; within:25; content:"|0d 0a 0d 0a|ip1="; nocase; content:"|0d 0a|port1="; nocase; within:25; reference:url,www.pctools.com/mrc/infections/id/Trojan.ISTbar/; reference:url,www.threatexpert.com/reports.aspx?find=Trojan.ISTbar; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2009597; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_Istbar; sid:2009597; rev:2;)

Added 2009-07-16 11:30:35 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET MALWARE Adware Istbar Search Hijacker and Downloader"; flow:established,to_client; content:" 200 OK|0d 0a|"; nocase; depth:64; content:"|0d 0a|Content-Type|3a| qvod_update|0d 0a|"; nocase; content:"|0d 0a 0d 0a 5b|AGENTLIST|5d 0d 0a|ip0="; nocase; content:"|0d 0a|port0="; nocase; within:25; content:"|0d 0a 0d 0a|ip1="; nocase; content:"|0d 0a|port1="; nocase; within:25; reference:url,www.pctools.com/mrc/infections/id/Trojan.ISTbar/; reference:url,www.threatexpert.com/reports.aspx?find=Trojan.ISTbar; classtype:trojan-activity; sid:2009597; rev:1;)

Added 2009-07-16 07:20:08 UTC


Topic revision: r1 - 2012-09-27 - TWikiGuest
 
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