Sweep, a super minimal virus scan written in bash.

sweep_scan.sh

#!/bin/bash
# hi, i'm sweep, a super minimal virus scan written in bash.
# put signaturers in sigs.1 file in the dir you run me from!

BIN=bash;

sweep() {
  for MEM in $(cat /proc/$1/maps|grep -E \\[\|\\/|cut -c -26);
    do
      echo $MEM;
      ST=$(echo $MEM|cut -f 1 -d '-');
      FI=$(echo $MEM|cut -f 2 -d '-'|cut -d ' ' -f 1);
      gdb --batch --pid $1 -ex "dump memory mem.raw 0x$ST 0x$FI" 2>&1 >/dev/null;
      objdump -D mem.raw 2>/dev/null;
      while read line;
        do
        grep $(echo $line) mem.raw;
        if [ $? -eq 0 ]; then
          echo "MEMORY TRANSIENT VIRUS DETECTED!!!";
          sleep 5;
        fi;
      done < sigs.1
    done;
};
export -f sweep;
pgrep -f $BIN | xargs -d '\n' -I {X} -P 8 bash -c 'sweep {X}'