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Monitoring in-memory file executions #156

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8 changes: 8 additions & 0 deletions audit.rules
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Expand Up @@ -806,6 +806,14 @@
-a always,exit -F arch=b64 -S rename -S renameat -S truncate -S chmod -S setxattr -S lsetxattr -S removexattr -S lremovexattr -F exit=-EACCES -k file_modification
-a always,exit -F arch=b64 -S rename -S renameat -S truncate -S chmod -S setxattr -S lsetxattr -S removexattr -S lremovexattr -F exit=-EPERM -k file_modification


## Monitor for creation of anonymous files in memory
-a always,exit -F arch=b64 -S memfd_create -F key=anon_file_create

## Monitor execution of in-memory files
-a always,exit -F arch=b64 -S fexecve -F key=in_memory_execution


## 32bit API Exploitation
### If you are on a 64 bit platform, everything _should_ be running
### in 64 bit mode. This rule will detect any use of the 32 bit syscalls
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