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One Hat Cyber Team
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216.73.216.144
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Linux www 6.11.0-9-generic #9-Ubuntu SMP PREEMPT_DYNAMIC Mon Oct 14 13:19:59 UTC 2024 x86_64
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Edit File: opensnoop.bt
#!/usr/bin/env bpftrace /* * opensnoop Trace open() syscalls. * For Linux, uses bpftrace and eBPF. * * Also a basic example of bpftrace. * * USAGE: opensnoop.bt * * This is a bpftrace version of the bcc tool of the same name. * * Copyright 2018 Netflix, Inc. * Licensed under the Apache License, Version 2.0 (the "License") * * 08-Sep-2018 Brendan Gregg Created this. */ BEGIN { printf("Tracing open syscalls... Hit Ctrl-C to end.\n"); printf("%-6s %-16s %4s %3s %s\n", "PID", "COMM", "FD", "ERR", "PATH"); } tracepoint:syscalls:sys_enter_open, tracepoint:syscalls:sys_enter_openat { @filename[tid] = args.filename; } tracepoint:syscalls:sys_exit_open, tracepoint:syscalls:sys_exit_openat /@filename[tid]/ { $ret = args.ret; $fd = $ret >= 0 ? $ret : -1; $errno = $ret >= 0 ? 0 : - $ret; printf("%-6d %-16s %4d %3d %s\n", pid, comm, $fd, $errno, str(@filename[tid])); delete(@filename[tid]); } END { clear(@filename); }
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