OUT="/tmp/fnos_ioc_$(date +%F_%H%M%S).txt"
{
echo "== [1] immutable(不可修改) 属性扫描 =="
lsattr -Ra /usr 2>/dev/null | grep '\-i-' || true
lsattr -Ra /etc 2>/dev/null | grep '\-i-' || true
echo
echo "== [2] 可疑文件是否存在 + 基本信息 =="
for f in \
/usr/bin/nginx \
/usr/sbin/gots \
/usr/trim/bin/trim_https_cgi \
/etc/systemd/system/nginx.service \
/etc/systemd/system/trim_https_cgi.service \
/etc/rc.local
do
if [ -e "$f" ]; then
echo "-- $f"
ls -l "$f" 2>/dev/null || true
sha256sum "$f" 2>/dev/null || true
file "$f" 2>/dev/null || true
echo
fi
done
echo "== [3] /etc/modules 与 snd_pcap 模块 =="
grep -n 'snd_pcap' /etc/modules 2>/dev/null || true
lsmod 2>/dev/null | grep -E '^snd_pcap\b' || true
modinfo snd_pcap 2>/dev/null || true
find /lib/modules -name 'snd_pcap.ko' -maxdepth 4 2>/dev/null || true
echo
echo "== [4] 启动项/服务 =="
grep -n 'gots' /etc/rc.local 2>/dev/null || true
systemctl status nginx.service trim_https_cgi.service 2>/dev/null || true
systemctl cat nginx.service trim_https_cgi.service 2>/dev/null || true
echo
echo "== [5] 57132 端口监听情况 =="
ss -lntp 2>/dev/null | grep ':57132' || true
netstat -ntlp 2>/dev/null | grep ':57132' || true
echo
echo "== [6] 关键 IOC 字符串（如有 strings ） =="
if command -v strings >/dev/null 2>&1; then
strings /usr/trim/bin/trim_https_cgi 2>/dev/null | egrep '57132|45\.95\.212\.102|151\.240\.13\.91|turmp' | head -n 80 || true
fi
grep -n '151\.240\.13\.91\|turmp' /usr/trim/bin/
system_startup.sh 2>/dev/null || true
echo
echo "== DONE. 输出文件：$OUT =="
} >"$OUT" 2>&1
echo "已生成：$OUT"
自查脚本