alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN [TGI] Cobalt Strike Malleable C2 Request (O365 Profile)"; flow:established,to_server; content:"/owa/?wa="; http_uri; depth:9; content:"&path=/calendar"; http_uri; distance:0; isdataat:!1,relative; fast_pattern; content:"MicrosoftApplicationsTelemetryDeviceId="; http_cookie; depth:39; content:"|3b|ClientId="; http_cookie; distance:0; content:"|3b|MSPAuth="; http_cookie; distance:0; content:"|3b|xid="; http_cookie; distance:0; content:"|3b|wla42="; http_cookie; distance:0; http_header_names; content:!"Referer"; content:"Cookie"; reference:md5,a26722fc7e5882b5a273239cddfe755f; reference:url,attack.mitre.org/groups/G0080/; classtype:trojan-activity; sid:2028588; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_09_17, deployment Perimeter, former_category MALWARE, malware_family Cobalt_Strike, signature_severity Major, updated_at 2020_09_02, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1001, mitre_technique_name Data_Obfuscation;)

Added 2021-05-25 18:04:02 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN [TGI] Cobalt Strike Malleable C2 Request (O365 Profile)"; flow:established,to_server; content:"/owa/?wa="; http_uri; depth:9; content:"&path=/calendar"; http_uri; distance:0; isdataat:!1,relative; fast_pattern; content:"MicrosoftApplicationsTelemetryDeviceId="; http_cookie; depth:39; content:"|3b|ClientId="; http_cookie; distance:0; content:"|3b|MSPAuth="; http_cookie; distance:0; content:"|3b|xid="; http_cookie; distance:0; content:"|3b|wla42="; http_cookie; distance:0; http_header_names; content:!"Referer"; content:"Cookie"; reference:md5,a26722fc7e5882b5a273239cddfe755f; reference:url,attack.mitre.org/groups/G0080/; classtype:trojan-activity; sid:2028588; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_09_17, deployment Perimeter, former_category MALWARE, malware_family Cobalt_Strike, signature_severity Major, updated_at 2020_09_02;)

Added 2020-09-02 17:51:28 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN [TGI] Cobalt Strike Malleable C2 Request (O365 Profile)"; flow:established,to_server; content:"/owa/?wa="; http_uri; depth:9; content:"&path=/calendar"; http_uri; distance:0; isdataat:!1,relative; fast_pattern; content:"MicrosoftApplicationsTelemetryDeviceId="; http_cookie; depth:39; content:"|3b|ClientId="; http_cookie; distance:0; content:"|3b|MSPAuth="; http_cookie; distance:0; content:"|3b|xid="; http_cookie; distance:0; content:"|3b|wla42="; http_cookie; distance:0; http_header_names; content:!"Referer"; content:"Cookie"; reference:md5,a26722fc7e5882b5a273239cddfe755f; reference:url,attack.mitre.org/groups/G0080/; classtype:trojan-activity; sid:2028588; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_09_17, deployment Perimeter, former_category MALWARE, malware_family Cobalt_Strike, signature_severity Major, updated_at 2019_09_17;)

Added 2020-08-05 19:16:52 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN [TGI] Cobalt Strike Malleable C2 Request (O365 Profile)"; flow:established,to_server; content:"/owa/?wa="; http_uri; depth:9; content:"&path=/calendar"; http_uri; distance:0; isdataat:!1,relative; fast_pattern; content:"MicrosoftApplicationsTelemetryDeviceId="; http_cookie; depth:39; content:"|3b|ClientId="; http_cookie; distance:0; content:"|3b|MSPAuth="; http_cookie; distance:0; content:"|3b|xid="; http_cookie; distance:0; content:"|3b|wla42="; http_cookie; distance:0; http_header_names; content:!"Referer"; content:"Cookie"; metadata: former_category MALWARE; reference:md5,a26722fc7e5882b5a273239cddfe755f; reference:url,attack.mitre.org/groups/G0080/; classtype:trojan-activity; sid:2028588; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2019_09_17, malware_family Cobalt_Strike, updated_at 2019_09_17;)

Added 2019-09-17 20:10:55 UTC


Topic revision: r1 - 2021-05-25 - TWikiGuest
 
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