alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Backdoor.Elise CnC? Beacon 3 M1"; flow:to_server,established; content:"GET"; http_method; content:"/archive/"; nocase; offset:9; http_uri; fast_pattern; content:".html"; nocase; distance:8; within:7; http_uri; content:!"Accept-"; http_header; content:!"Referer|3a|"; http_header; pcre:"/\/[a-f0-9]{8}\/archive\/\d{8,10}\.html$/Ui"; reference:md5,cf3f36dd3235d2cff5754b19b9e1cb1f; reference:url,github.com/pan-unit42/iocs/tree/master/lotusblossom; classtype:trojan-activity; sid:2021277; rev:4; metadata:attack_target Client_Endpoint, created_at 2015_06_16, deployment Perimeter, former_category MALWARE, signature_severity Major, tag c2, updated_at 2020_05_28, 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 18:19:27 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Backdoor.Elise CnC? Beacon 3 M1"; flow:to_server,established; content:"GET"; http_method; content:"/archive/"; nocase; offset:9; http_uri; fast_pattern; content:".html"; nocase; distance:8; within:7; http_uri; content:!"Accept-"; http_header; content:!"Referer|3a|"; http_header; pcre:"/\/[a-f0-9]{8}\/archive\/\d{8,10}\.html$/Ui"; reference:md5,cf3f36dd3235d2cff5754b19b9e1cb1f; reference:url,github.com/pan-unit42/iocs/tree/master/lotusblossom; classtype:trojan-activity; sid:2021277; rev:4; metadata:created_at 2015_06_16, former_category MALWARE, updated_at 2020_05_28;)

Added 2020-08-05 19:11:20 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Backdoor.Elise CnC? Beacon 3 M1"; flow:to_server,established; content:"GET"; http_method; content:"/archive/"; nocase; offset:9; http_uri; fast_pattern; content:".html"; nocase; distance:8; within:7; http_uri; content:!"Accept-"; http_header; content:!"Referer|3a|"; http_header; pcre:"/\/[a-f0-9]{8}\/archive\/\d{8,10}\.html$/Ui"; metadata: former_category MALWARE; reference:md5,cf3f36dd3235d2cff5754b19b9e1cb1f; reference:url,github.com/pan-unit42/iocs/tree/master/lotusblossom; classtype:trojan-activity; sid:2021277; rev:4; metadata:created_at 2015_06_16, updated_at 2020_05_28;)

Added 2020-05-28 19:10:55 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Backdoor.Elise CnC? Beacon 3 M1"; flow:to_server,established; content:"GET"; http_method; content:"/archive/"; nocase; offset:9; http_uri; fast_pattern; content:".html"; nocase; distance:8; within:7; http_uri; content:!"Accept-"; http_header; content:!"Referer|3a|"; http_header; pcre:"/\/[a-f0-9]{8}\/archive\/\d{8,10}\.html$/Ui"; metadata: former_category MALWARE; reference:md5,cf3f36dd3235d2cff5754b19b9e1cb1f; reference:url,github.com/pan-unit42/iocs/tree/master/lotusblossom; classtype:trojan-activity; sid:2021277; rev:4; metadata:created_at 2015_06_16, updated_at 2015_06_16;)

Added 2019-09-19 19:26:24 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Backdoor.Elise CnC? Beacon 3 M1"; flow:to_server,established; content:"GET"; http_method; content:"/archive/"; nocase; offset:9; http_uri; fast_pattern; content:".html"; nocase; distance:8; within:7; http_uri; content:!"Accept-"; http_header; content:!"Referer|3a|"; http_header; pcre:"/\/[a-f0-9]{8}\/archive\/\d{8,10}\.html$/Ui"; reference:md5,cf3f36dd3235d2cff5754b19b9e1cb1f; reference:url,github.com/pan-unit42/iocs/tree/master/lotusblossom; classtype:trojan-activity; sid:2021277; rev:4; metadata:created_at 2015_06_16, updated_at 2015_06_16;)

Added 2018-09-13 19:51:21 UTC


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


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Backdoor.Elise CnC? Beacon 3 M1"; flow:to_server,established; content:"GET"; http_method; content:"/archive/"; nocase; offset:9; http_uri; fast_pattern; content:".html"; nocase; distance:8; within:7; http_uri; content:!"Accept-"; http_header; content:!"Referer|3a|"; http_header; pcre:"/\/[a-f0-9]{8}\/archive\/\d{8,10}\.html$/Ui"; reference:md5,cf3f36dd3235d2cff5754b19b9e1cb1f; reference:url,github.com/pan-unit42/iocs/tree/master/lotusblossom; classtype:trojan-activity; sid:2021277; rev:4; metadata:created_at 2015_06_16, updated_at 2015_06_16;)

Added 2017-08-07 21:15:57 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Backdoor.Elise CnC? Beacon 3 M1"; flow:to_server,established; content:"GET"; http_method; content:"/archive/"; nocase; offset:9; http_uri; fast_pattern; content:".html"; nocase; distance:8; within:7; http_uri; content:!"Accept-"; http_header; content:!"Referer|3a|"; http_header; pcre:"/\/[a-f0-9]{8}\/archive\/\d{8,10}\.html$/Ui"; reference:md5,cf3f36dd3235d2cff5754b19b9e1cb1f; reference:url,github.com/pan-unit42/iocs/tree/master/lotusblossom; classtype:trojan-activity; sid:2021277; rev:4;)

Added 2015-06-23 00:31:02 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Backdoor.Elise CnC? Beacon 3 M1"; flow:to_server,established; content:"GET"; http_method; content:"/archive/"; nocase; offset:9; http_uri; fast_pattern; content:".html"; nocase; distance:8; within:7; http_uri; content:!"Accept-"; http_header; content:!"Referer|3a|"; http_header; pcre:"/\/[a-f0-9]{8}\/archive\/\d{8,10}\.html$/Ui"; reference:md5,cf3f36dd3235d2cff5754b19b9e1cb1f; reference:url,github.com/pan-unit42/iocs/tree/master/lotusblossom; classtype:trojan-activity; sid:2021277; rev:4;)

Added 2015-06-22 18:24:10 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Backdoor.Elise CnC? Beacon 3 M1"; flow:to_server,established; content:"GET"; http_method; content:"/archive/"; nocase; offset:9; http_uri; fast_pattern; content:".html"; nocase; distance:8; within:5; http_uri; content:!"Accept-"; http_header; content:!"Referer|3a|"; http_header; pcre:"/\/[a-f0-9]{8}\/archive\/\d{8,10}\.html$/Ui"; reference:md5,cf3f36dd3235d2cff5754b19b9e1cb1f; reference:url,github.com/pan-unit42/iocs/tree/master/lotusblossom; classtype:trojan-activity; sid:2021277; rev:3;)

Added 2015-06-18 18:49:53 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Backdoor.Elise CnC? Beacon 3 M1"; flow:to_server,established; content:"GET"; http_method; content:"/archive/"; nocase; offset:9; http_uri; fast_pattern; content:".html"; nocase; distance:8; within:5; http_uri; content:!"Accept-"; http_header; content:!"Referer|3a|"; http_header; pcre:"/\/[a-f0-9]{8}\/archive\/\d{8}\.html$/Ui"; reference:md5,cf3f36dd3235d2cff5754b19b9e1cb1f; reference:url,github.com/pan-unit42/iocs/tree/master/lotusblossom; classtype:trojan-activity; sid:2021277; rev:2;)

Added 2015-06-16 16:47:42 UTC


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