alert tcp $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET TROJAN APT Lurker GET CnC? Beacon"; flow:established,to_server; content:"GET /"; depth:5; content:".php HTTP/1."; distance:0; fast_pattern; content:!"Accept"; distance:0; content:!"Referer|3a|"; distance:0; content:"HOST|3a|"; distance:3; within:5; pcre:"/^[^\r\n]+\r\nUser-Agent\x3a[^\r\n]+\r\n(?:\r\n)?$/Rmi"; reference:md5,c5a8e09295b852a6e32186374b66e1a7; reference:url,blogs.rsa.com/wp-content/uploads/2015/05/RSA-IR-Case-Study.pdf; classtype:trojan-activity; sid:2021585; rev:3; metadata:attack_target Client_Endpoint, created_at 2015_08_03, deployment Perimeter, former_category MALWARE, signature_severity Major, tag c2, updated_at 2015_08_03, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)

Added 2021-06-18 18:19:28 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET TROJAN APT Lurker GET CnC? Beacon"; flow:established,to_server; content:"GET /"; depth:5; content:".php HTTP/1."; distance:0; fast_pattern; content:!"Accept"; distance:0; content:!"Referer|3a|"; distance:0; content:"HOST|3a|"; distance:3; within:5; pcre:"/^[^\r\n]+\r\nUser-Agent\x3a[^\r\n]+\r\n(?:\r\n)?$/Rmi"; reference:md5,c5a8e09295b852a6e32186374b66e1a7; reference:url,blogs.rsa.com/wp-content/uploads/2015/05/RSA-IR-Case-Study.pdf; classtype:trojan-activity; sid:2021585; rev:3; metadata:created_at 2015_08_03, former_category MALWARE, updated_at 2015_08_03;)

Added 2020-08-05 19:11:30 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET TROJAN APT Lurker GET CnC? Beacon"; flow:established,to_server; content:"GET /"; depth:5; content:".php HTTP/1."; distance:0; fast_pattern; content:!"Accept"; distance:0; content:!"Referer|3a|"; distance:0; content:"HOST|3a|"; distance:3; within:5; pcre:"/^[^\r\n]+\r\nUser-Agent\x3a[^\r\n]+\r\n(?:\r\n)?$/Rmi"; metadata: former_category MALWARE; reference:md5,c5a8e09295b852a6e32186374b66e1a7; reference:url,blogs.rsa.com/wp-content/uploads/2015/05/RSA-IR-Case-Study.pdf; classtype:trojan-activity; sid:2021585; rev:3; metadata:created_at 2015_08_03, updated_at 2015_08_03;)

Added 2019-09-19 19:26:26 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET TROJAN APT Lurker GET CnC? Beacon"; flow:established,to_server; content:"GET /"; depth:5; content:".php HTTP/1."; distance:0; fast_pattern; content:!"Accept"; distance:0; content:!"Referer|3a|"; distance:0; content:"HOST|3a|"; distance:3; within:5; pcre:"/^[^\r\n]+\r\nUser-Agent\x3a[^\r\n]+\r\n(?:\r\n)?$/Rmi"; reference:md5,c5a8e09295b852a6e32186374b66e1a7; reference:url,blogs.rsa.com/wp-content/uploads/2015/05/RSA-IR-Case-Study.pdf; classtype:trojan-activity; sid:2021585; rev:3; metadata:created_at 2015_08_03, updated_at 2015_08_03;)

Added 2018-09-13 19:51:32 UTC


Added 2018-09-13 18:00:17 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET TROJAN APT Lurker GET CnC? Beacon"; flow:established,to_server; content:"GET /"; depth:5; content:".php HTTP/1."; distance:0; fast_pattern; content:!"Accept"; distance:0; content:!"Referer|3a|"; distance:0; content:"HOST|3a|"; distance:3; within:5; pcre:"/^[^\r\n]+\r\nUser-Agent\x3a[^\r\n]+\r\n(?:\r\n)?$/Rmi"; reference:md5,c5a8e09295b852a6e32186374b66e1a7; reference:url,blogs.rsa.com/wp-content/uploads/2015/05/RSA-IR-Case-Study.pdf; classtype:trojan-activity; sid:2021585; rev:3; metadata:created_at 2015_08_03, updated_at 2015_08_03;)

Added 2017-08-07 21:16:17 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET TROJAN APT Lurker GET CnC? Beacon"; flow:established,to_server; content:"GET /"; depth:5; content:".php HTTP/1."; distance:0; fast_pattern; content:!"Accept"; distance:0; content:!"Referer|3a|"; distance:0; content:"HOST|3a|"; distance:3; within:5; pcre:"/^[^\r\n]+\r\nUser-Agent\x3a[^\r\n]+\r\n(?:\r\n)?$/Rmi"; reference:md5,c5a8e09295b852a6e32186374b66e1a7; reference:url,blogs.rsa.com/wp-content/uploads/2015/05/RSA-IR-Case-Study.pdf; classtype:trojan-activity; sid:2021585; rev:3;)

Added 2015-08-11 19:30:04 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN APT Lurker GET CnC? Beacon"; flow:established,to_server; content:"GET /"; depth:5; content:".php HTTP/1."; distance:0; fast_pattern; content:!"Accept"; distance:0; content:!"Referer|3a|"; distance:0; content:"HOST|3a|"; distance:3; within:5; nocase; pcre:"/^[^\r\n]+\r\nUser-Agent\x3a[^\r\n]+\r\n(?:\r\n)?$/Rmi"; reference:md5,c5a8e09295b852a6e32186374b66e1a7; reference:url,blogs.rsa.com/wp-content/uploads/2015/05/RSA-IR-Case-Study.pdf; classtype:trojan-activity; sid:2021585; rev:1;)

Added 2015-08-04 17:43:40 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN APT Lurker GET CnC? Beacon"; flow:established,to_server; content:"GET /"; depth:5; content:".php HTTP/1."; distance:0; fast_pattern; content:!"Accept"; distance:0; content:!"Referer|3a|"; distance:0; content:"HOST|3a|"; distance:3; within:5; nocase; pcre:"/^[^\r\n]+\r\nUser-Agent\x3a[^\r\n]+\r\n(?:\r\n)?$/Rmi"; reference:md5,c5a8e09295b852a6e32186374b66e1a7; reference:url,blogs.rsa.com/wp-content/uploads/2015/05/RSA-IR-Case-Study.pdf; classtype:trojan-activity; sid:2021585; rev:1;)

Added 2015-08-03 17:14:47 UTC


Topic revision: r1 - 2021-06-18 - TWikiGuest
 
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