Ensure that multi-factor authentication is enabled for all RAM users that have a console password

高级别 1自动化alibaba

说明

Multi-Factor Authentication (MFA) adds an extra layer of protection on top of a username and password. With MFA enabled, when a user logs on to Alibaba Cloud, they will be prompted for their user name and password followed by an authentication code from their virtual MFA device. MFA requires users to verify their identities by entering two authentication factors. When MFA is enabled, an attacker faces at least two different authentication mechanisms. Every RAM user with a login profile (console access) must have an MFA device (GetUserMFAInfo). Read-only aliyun CLI calls; credentials and default region come from the CLI's normal profile (aliyun configure, ~/.aliyun/config.json or ALIBABA_CLOUD_* environment variables). JSON output is parsed with sed/awk. A missing CLI or credential fails the check.

检查方式

审计方法: Shell 命令

shell

out=$(aliyun ram ListUsers --MaxItems 1000 2>/dev/null) || exit 1
users=$(printf '%s\n' "$out" | sed -n 's/.*"UserName"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/p')
bad=0
for u in $users; do
  if err=$(aliyun ram GetLoginProfile --UserName "$u" 2>&1); then
    if ! err=$(aliyun ram GetUserMFAInfo --UserName "$u" 2>&1); then
      printf '%s\n' "$err" | grep -q EntityNotExist || exit 1
      echo "no MFA: $u"; bad=1
    fi
  else
    printf '%s\n' "$err" | grep -q EntityNotExist || exit 1
  fi
done
[ "$bad" -eq 0 ] && echo compliant

预期输出: compliant

修复方式

修复方法: 操作指南或基础设施补丁

Have each listed user bind a virtual MFA device (RAM console > Identities > Users > Authentication > Enable MFA) and require it: aliyun ram UpdateLoginProfile --UserName <u> --MFABindRequired true.

属性

操作系统: 任意
标签: alibabaram
参考: CIS Alibaba Cloud Foundation Benchmark v2.0.1 - 1.4 Ensure that multi-factor authentication is enabled for all RAM users that have a console password

检查本机

请在您有权审计的机器上运行此命令。扫描为只读操作。

shell

tmaegis scan --target alibaba