Analysis

  • max time kernel
    1s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20260513-en
  • resource tags

    arch:armhfimage:debian9-armhf-20260513-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    07/11/2026, 15:10

General

  • Target
    one-rules-file-starter/check-rules.sh
  • Size 4KB
  • Sample261107-skcr9scy21
  • SHA256 d497bbfbd21360e45091be7aec150e839f8ddfac99db6545f3a93b6815c64f23
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10

Malware Config

Signatures

  • Reads runtime system information 8 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 1 IoCs

    Adversaries may gather information about the network configuration of a system.

Processes

  • /tmp/one-rules-file-starter/check-rules.sh
    /tmp/one-rules-file-starter/check-rules.sh
    1⤵
      PID:642
    • /usr/local/sbin/bash
      bash /tmp/one-rules-file-starter/check-rules.sh
      1⤵
        PID:642
      • /usr/local/bin/bash
        bash /tmp/one-rules-file-starter/check-rules.sh
        1⤵
          PID:642
        • /usr/sbin/bash
          bash /tmp/one-rules-file-starter/check-rules.sh
          1⤵
            PID:642
          • /usr/bin/bash
            bash /tmp/one-rules-file-starter/check-rules.sh
            1⤵
              PID:642
            • /sbin/bash
              bash /tmp/one-rules-file-starter/check-rules.sh
              1⤵
                PID:642
              • /bin/bash
                bash /tmp/one-rules-file-starter/check-rules.sh
                1⤵
                  PID:642
                  • /usr/bin/wc
                    wc -c
                    2⤵
                      PID:655
                    • /bin/grep
                      grep -qx "@AGENTS.md"
                      2⤵
                        PID:662
                      • /bin/sed
                        sed "1s/^\\xEF\\xBB\\xBF//" CLAUDE.md
                        2⤵
                        • Reads runtime system information
                        PID:663
                      • /usr/bin/tr
                        tr -d "\\r"
                        2⤵
                          PID:664
                        • /usr/bin/wc
                          wc -l
                          2⤵
                            PID:669
                          • /usr/bin/find
                            find .cursor/rules -type f -name "*.mdc"
                            2⤵
                            • Reads runtime system information
                            PID:672
                          • /usr/bin/sort
                            sort
                            2⤵
                              PID:673
                            • /bin/sed
                              sed "1s/^\\xEF\\xBB\\xBF//" .cursor/rules/example-scoped.mdc
                              2⤵
                              • Reads runtime system information
                              PID:678
                            • /usr/bin/tr
                              tr -d "\\r"
                              2⤵
                                PID:679
                              • /usr/bin/head
                                head -n1
                                2⤵
                                  PID:682
                                • /usr/bin/awk
                                  awk "NR>1 && /^---[ \\t]*\$/ {print NR; exit}"
                                  2⤵
                                  • Reads runtime system information
                                  PID:686
                                • /bin/sed
                                  sed -n "2,4p"
                                  2⤵
                                  • Reads runtime system information
                                  PID:689
                                • /bin/grep
                                  grep -Ev "^(description|globs|alwaysApply):|^[[:space:]]*\$|^[[:space:]]*-[[:space:]]"
                                  2⤵
                                  • System Network Configuration Discovery
                                  PID:692
                                • /bin/sed
                                  sed -n "s/^alwaysApply:[[:space:]]*//p"
                                  2⤵
                                  • Reads runtime system information
                                  PID:696
                                • /bin/sed
                                  sed "s/[[:space:]]*\$//"
                                  2⤵
                                  • Reads runtime system information
                                  PID:697
                                • /usr/bin/wc
                                  wc -l
                                  2⤵
                                    PID:699
                                  • /bin/grep
                                    grep -Eq "^globs:[[:space:]]*\\*|^globs:[[:space:]]*\\[([^]]*,)?[[:space:]]*\\*|^[[:space:]]*-[[:space:]]+\\*"
                                    2⤵
                                      PID:701
                                    • /usr/bin/find
                                      find .cursor/rules -type f -name "*.md"
                                      2⤵
                                      • Reads runtime system information
                                      PID:703
                                    • /usr/bin/sort
                                      sort
                                      2⤵
                                        PID:704

                                    Network

                                          MITRE ATT&CK Enterprise v16

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