ET MALWARE Observed FakeExt Domain (fastify .elfaker .workers .dev) in TLS SNI
Sourceet/open
CreatedMarch 7, 2024
UpdatedOctober 3, 2024
Classificationtrojan-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed FakeExt Domain (fastify .elfaker .workers .dev) in TLS SNI"; flow:established,to_server; tls.sni; bsize:27; content:"fastify.elfaker.workers.dev"; fast_pattern; reference:url,securityintelligence.com/posts/fakext-targeting-latin-american-banks/; classtype:trojan-activity; sid:2051535; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_03_07, deployment Perimeter, malware_family FakeExt, performance_impact Low, confidence High, signature_severity Major, tag FakeEXT, updated_at 2024_10_03, reviewed_at 2024_10_03;)
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
created at2024_03_07
deploymentPerimeter
malware familyFakeExt
performance impactLow
confidenceHigh
signature severityMajor
tagFakeEXT
updated at2024_10_03
reviewed at2024_10_03
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