ET MALWARE CommentCrew Possible APT c2 communications get command client key

SID: 2016488Rev: 50 viewsHistory

Sourceet/open

CreatedFebruary 22, 2013

UpdatedJuly 26, 2019

Classificationtargeted-activity

alert http $EXTERNAL_NET 80 -> $HOME_NET any (msg:"ET MALWARE CommentCrew Possible APT c2 communications get command client key"; flow:established,to_client; content:"Y29tbWFuZD1HZXRDb21tYW5kO2NsaWVudGtleT"; content:"O2hvc3RuYW1lPW"; classtype:targeted-activity; sid:2016488; rev:5; metadata:attack_target Client_Endpoint, created_at 2013_02_22, deployment Perimeter, confidence Medium, signature_severity Major, tag c2, updated_at 2019_07_26, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)

Metadata

attack targetClient_Endpoint

created at2013_02_22

deploymentPerimeter

confidenceMedium

signature severityMajor

tagc2

updated at2019_07_26

mitre tactic idTA0011

mitre tactic nameCommand_And_Control

mitre technique idT1071

mitre technique nameApplication_Layer_Protocol

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