--- /dev/null
+alert tcp any any -> any any (msg:"ET MALWARE LocalNRD Spyware Checkin (Original Sig Fails to Fire)"; flow: to_server,established; uricontent:"/a/Drk.syn?"; nocase; uricontent: "adcontext"; nocase; reference:url,www.localnrd.com; classtype: trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2001340; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_Localnrd; sid: 2001340; rev:9;)
+alert tcp any any -> any any (msg:"ET MALWARE LocalNRD Spyware Checkin (OISF changed to content fails also)"; flow: to_server,established; uricontent:"/a/Drk.syn?"; nocase; content: "adcontext"; nocase; reference:url,www.localnrd.com; classtype: trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2001340; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_Localnrd; sid: 2001341; rev:9;)
+alert tcp any any -> any any (msg:"ET MALWARE LocalNRD Spyware Checkin (OISF remove space between colon and quote uricontent works)"; flow: to_server,established; uricontent:"/a/Drk.syn?"; nocase; uricontent:"adcontext"; nocase; reference:url,www.localnrd.com; classtype: trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2001340; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_Localnrd; sid: 2001342; rev:9;)
+alert tcp any any -> any any (msg:"ET MALWARE LocalNRD Spyware Checkin (OISF remove space between colon and quote content works)"; flow: to_server,established; uricontent:"/a/Drk.syn?"; nocase; content:"adcontext"; nocase; reference:url,www.localnrd.com; classtype: trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2001340; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_Localnrd; sid: 2001343; rev:9;)
--- /dev/null
+requires:
+ features:
+ - HAVE_LIBJANSSON
+
+args:
+ - -k none
+
+checks:
+ - filter:
+ count: 1
+ match:
+ event_type: alert
+ src_ip: 192.168.2.7
+ src_port: 1041
+ dest_ip: 208.75.250.50
+ dest_port: 80
+ proto: TCP
+ tx_id: 0
+ alert:
+ action: allowed
+ gid: 1
+ signature_id: 2001340
+ rev: 9
+ signature: "ET MALWARE LocalNRD Spyware Checkin (Original Sig Fails to Fire)"
+ category: A Network Trojan was detected
+ severity: 1
+ app_proto: http
+ - filter:
+ count: 1
+ match:
+ event_type: alert
+ src_ip: 192.168.2.7
+ src_port: 1041
+ dest_ip: 208.75.250.50
+ dest_port: 80
+ proto: TCP
+ app_proto: http
+ tx_id: 0
+ alert:
+ action: allowed
+ gid: 1
+ signature_id: 2001341
+ rev: 9
+ signature: "ET MALWARE LocalNRD Spyware Checkin (OISF changed to content fails also)"
+ category: A Network Trojan was detected
+ severity: 1
+ - filter:
+ count: 1
+ match:
+ event_type: alert
+ src_ip: 192.168.2.7
+ src_port: 1041
+ dest_ip: 208.75.250.50
+ dest_port: 80
+ proto: TCP
+ app_proto: http
+ tx_id: 0
+ alert:
+ action: allowed
+ gid: 1
+ signature_id: 2001342
+ rev: 9
+ signature: "ET MALWARE LocalNRD Spyware Checkin (OISF remove space between colon and quote uricontent works)"
+ category: A Network Trojan was detected
+ severity: 1
+ - filter:
+ count: 1
+ match:
+ event_type: alert
+ src_ip: 192.168.2.7
+ src_port: 1041
+ dest_ip: 208.75.250.50
+ dest_port: 80
+ proto: TCP
+ app_proto: http
+ tx_id: 0
+ alert:
+ action: allowed
+ gid: 1
+ signature_id: 2001343
+ rev: 9
+ signature: "ET MALWARE LocalNRD Spyware Checkin (OISF remove space between colon and quote content works)"
+ category: A Network Trojan was detected
+ severity: 1
+ - filter:
+ count: 1
+ match:
+ event_type: http
+ src_ip: 192.168.2.7
+ src_port: 1041
+ dest_ip: 208.75.250.50
+ dest_port: 80
+ proto: TCP
+ tx_id: 0
+ http:
+ hostname: btg.btgrab.com
+ url: "/a/Drk.syn?adcontext=ROUTINE_CHECKIN&contextpeak=0&contextcount=0&countrycodein=XX&lastAdTime=0&lastAdCode=0&cookie1=0&cookie2=0&cookie3=0&cookie4=0&InstID={2CAA09DF-35D8-471C-9979-A11DA0CC54DB}&status=1&smode=11&event=&bho=aurora.exe&NumWindows=4&PartnerId=0&BundleId=0&HN=bob7&VSN=189A97F7&PI=55274-640-1781551-23400&MA=005400123457&TM=-1"
+ http_user_agent: "{2CAA09DF-35D8-471C-9979-A11DA0CC54DB}|0.21.5.110"