Merge tag 'pull-duso-imaginary-writeups' of https://github.com/Dusoleil/lib-des-gnux

Writeups and other tools/docs from ImaginaryCTF from Dusoleil.

* tag 'pull-duso-imaginary-writeups' of https://github.com/Dusoleil/lib-des-gnux:
  Adding Initial Commit of the Sploit Tool
  Adding Various Docs
  Adding Various Small Tools
  Git Ignore __pycache__ for All Tools
  Writeups from Imaginary CTF 2021

1 files changed, 34 insertions, 0 deletions

diff --git a/tools/sploit/sploitutil.py b/tools/sploit/sploitutil.py
new file mode 100755
index 0000000..00d2151
--- /dev/null
+++ b/tools/sploit/sploitutil.py
@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+
+import sploitconfig as config
+from sploitlog import sploitlog
+
+def btoi(b):
+    return int.from_bytes(b,'little')
+
+def itob(i):
+    return i.to_bytes(8,'little',signed=True)
+
+class Libc:
+    def __init__(self,libc_addr,libc_offset):
+        self.libc_base = btoi(libc_addr)-btoi(libc_offset)
+    def base(self):
+        return itob(self.libc_base)
+    def addr(self,offset):
+        return itob(self.libc_base + btoi(offset))
+
+def log(s):
+    if config.use_popen:
+        sploitlog(s)
+
+class Communication:
+    def __init__(self,stdin,stdout):
+        self.stdin = stdin
+        self.stdout = stdout
+    def send(self,s):
+        self.stdout.write(s)
+        self.stdout.flush()
+    def recv(self):
+        out = self.stdin.readline()
+        log(out)
+        return out