ET WEB_SPECIFIC_APPS ABB Cylon Aspect multiple caldav URI endpoints skipChecksum Parameter Arbitrary File Upload Attempt
Sourceet/open
CreatedSeptember 15, 2025
UpdatedSeptember 15, 2025
Classificationattempted-admin
alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS ABB Cylon Aspect multiple caldav URI endpoints skipChecksum Parameter Arbitrary File Upload Attempt"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/caldav"; fast_pattern; startswith; pcre:"/^(?:Install|InstallAgendav|Upload)/R"; content:".php"; endswith; http.request_body; content:"name|3d 22|skipChecksum|22|"; content:"1"; within:10; reference:url,www.zeroscience.mk/codes/abb_aspect_badass2.txt; classtype:attempted-admin; sid:2064684; rev:1; metadata:affected_product ABB, attack_target IoT, tls_state plaintext, created_at 2025_09_15, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_15, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)
References
Metadata
affected productABB
attack targetIoT
tls stateplaintext
created at2025_09_15
deploymentInternal
performance impactLow
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2025_09_15
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1190
mitre technique nameExploit_Public_Facing_Application
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