ET MALWARE Possible UNC1878/FIN12 Cobalt Strike CnC SSL Cert Inbound (Texsa)
Sourceet/open
CreatedOctober 29, 2020
UpdatedOctober 29, 2020
Classificationtargeted-activity
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Possible UNC1878/FIN12 Cobalt Strike CnC SSL Cert Inbound (Texsa)"; flow:established,to_client; tls.cert_subject; content:", L=Texsa, "; fast_pattern; tls.cert_issuer; content:", L=Texsa, "; reference:md5,45ed8898bead32070cf1eb25640b414c; reference:url,www.youtube.com/watch?v=BhjQ6zsCVSc; classtype:targeted-activity; sid:2031135; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_10_29, deployment Perimeter, malware_family Cobalt_Strike, performance_impact Low, confidence Medium, signature_severity Major, tag SSL_Suspicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_29;)
References
| md5 | 45ed8898bead32070cf1eb25640b414c |
| url | www.youtube.com/watch?v=BhjQ6zsCVSc |
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
created at2020_10_29
deploymentPerimeter
malware familyCobalt_Strike
performance impactLow
confidenceMedium
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2020_10_29
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