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description Description of 'x' command in HyperDbg.

x (examine symbols and find functions and variables address)

Command

x

Syntax

x [module!symbol (wildcard string)]

Description

Finds the functions or variables address in the memory based on symbols.

Parameters

[module!symbol (wildcard string)]

      Specifies a function or a variable name or a pattern that the symbol must contain. The _**Symbol**_ can contain a variety of wildcard characters and specifiers. For more information about the syntax, see **Remarks**.

Examples

In the following example, we searched for the address of the ExAllocatePoolWithTag function in the nt module.

HyperDbg> x nt!ExAllocatePoolWithTag
fffff803`1dbb1030  nt!ExAllocatePoolWithTag

In the following example, we searched for the address of functions (and names) which, starts with ExAllocatePoo in the nt module.

0: kHyperDbg> x nt!ExAllocatePoo*
fffff803`1dbb1030  nt!ExAllocatePoolWithTag
fffff803`1d4421d0  nt!ExAllocatePoolWithQuotaTag
fffff803`1d44fde0  nt!ExAllocatePoolWithTagPriority
fffff803`1d522500  nt!ExAllocatePool
fffff803`1dbb1340  nt!ExAllocatePool3
fffff803`1dbb1280  nt!ExAllocatePool2
fffff803`1d7ad3d0  nt!ExAllocatePoolWithQuota
fffff803`1d45c5c0  nt!ExAllocatePoolEx
fffff803`1dbe9d84  nt!ExAllocatePoolSanityChecks
fffff803`1d4a1070  nt!ExAllocatePoolMm

IOCTL

None

Remarks

{% hint style="info" %} The default module is nt. If you don't specify the module name, then nt is selected. {% endhint %}

These are some examples of wildcard characters supported by this command.

Value Meaning
foo Looks for a global symbol (functions, variables) named "foo".
foo? Looks for a global symbol that starts with "foo" and contains one extra character afterward, such as "fool" and "foot".
foo!bar* Looks for a global symbol in "foo" that starts with "bar" and contains extra characters afterward, such as "foo!bar1" and "foo!bar2".

Requirements

None

Related

None