ET MALWARE 3proxy Backdoor Domain (catalog .micrisoftdrivers .com) in TLS SNI

SID: 2051984Rev: 210 views
History
Sourceet/open
CreatedApril 10, 2024
UpdatedOctober 3, 2024
Classificationtrojan-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE 3proxy Backdoor Domain (catalog .micrisoftdrivers .com) in TLS SNI"; flow:established,to_server; tls.sni; bsize:28; content:"catalog.micrisoftdrivers.com"; fast_pattern; reference:url,github.com/sophoslabs/IoCs/blob/master/3proxy-backdoor-IOCs.csv; reference:url,news.sophos.com/en-us/2024/04/09/smoke-and-screen-mirrors-a-strange-signed-backdoor/; classtype:trojan-activity; sid:2051984; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_04_10, deployment Perimeter, malware_family 3proxy, performance_impact Low, confidence High, signature_severity Major, tag 3proxy, updated_at 2024_10_03, reviewed_at 2024_10_03;)

References

urlgithub.com/sophoslabs/IoCs/blob/master/3proxy-backdoor-IOCs.csv
urlnews.sophos.com/en-us/2024/04/09/smoke-and-screen-mirrors-a-strange-signed-backdoor/

Metadata

affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
created at2024_04_10
deploymentPerimeter
malware family3proxy
performance impactLow
confidenceHigh
signature severityMajor
tag3proxy
updated at2024_10_03
reviewed at2024_10_03

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