ET DELETED Suspicious IAT ZwWriteVirtualMemory - Undocumented API Which Can be Used for CnC Functionality
Sourceet/open
CreatedMay 3, 2011
UpdatedJune 23, 2021
Classificationcommand-and-control
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Suspicious IAT ZwWriteVirtualMemory - Undocumented API Which Can be Used for CnC Functionality"; flowbits:isset,ET.http.binary; flow:established,to_client; content:"ZwSystemDebugControl"; nocase; fast_pattern:only; reference:url,sans.org/reading_room/whitepapers/malicious/rss/_33649; classtype:command-and-control; sid:2012770; rev:3; metadata:created_at 2011_05_03, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_06_23;)
Metadata
created at2011_05_03
signature severityUnknown
tagDescription_Generated_By_Proofpoint_Nexus
updated at2021_06_23
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