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-rw-r--r--ruby_1_8_6/sample/trojan.rb15
1 files changed, 15 insertions, 0 deletions
diff --git a/ruby_1_8_6/sample/trojan.rb b/ruby_1_8_6/sample/trojan.rb
new file mode 100644
index 0000000000..3a35ac21c2
--- /dev/null
+++ b/ruby_1_8_6/sample/trojan.rb
@@ -0,0 +1,15 @@
+#! /usr/local/bin/ruby
+
+path = ENV['PATH'].split(File::PATH_SEPARATOR)
+
+for dir in path
+ if File.directory?(dir)
+ for f in d = Dir.open(dir)
+ fpath = File.join(dir, f)
+ if File.file?(fpath) && (File.stat(fpath).mode & 022) != 0
+ printf("file %s is writable from other users\n", fpath)
+ end
+ end
+ d.close
+ end
+end