ET MALWARE Suspected Cobalt Strike Beacon User-Agent String
Sourceet/open
CreatedJune 15, 2022
UpdatedJune 15, 2022
Classificationtrojan-activity
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Suspected Cobalt Strike Beacon User-Agent String"; flow:established,to_server; http.user_agent; content:"Mozilla/5.0 |28|compatible|3b 20|MSIE 9.0|3b 20|Windows NT 6.1|3b 20|Trident/5.0|3b 20|NP07|3b 20|NP07|29|"; reference:url,github.com/sophoslabs/IoCs/blob/master/Troj-Miner-AED.csv; classtype:trojan-activity; sid:2037020; rev:1; metadata:attack_target Client_and_Server, created_at 2022_06_15, deployment Perimeter, malware_family CobaltStrike, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_15;)
Metadata
attack targetClient_and_Server
created at2022_06_15
deploymentPerimeter
malware familyCobaltStrike
performance impactLow
confidenceMedium
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2022_06_15
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