SYMBOLCOMMON_NAMEaka. SYNONYMS
win.nettraveler (Back to overview)

NetTraveler

aka: TravNet

Actor(s): NetTraveler


There is no description at this point.

References
2016-07-07ProofpointAxel F
@online{f:20160707:nettraveler:a613df3, author = {Axel F}, title = {{NetTraveler APT Targets Russian, European Interests}}, date = {2016-07-07}, organization = {Proofpoint}, url = {https://www.proofpoint.com/us/threat-insight/post/nettraveler-apt-targets-russian-european-interests}, language = {English}, urldate = {2019-12-20} } NetTraveler APT Targets Russian, European Interests
NetTraveler NetTraveler
2015-02-06CrowdStrikeCrowdStrike
@techreport{crowdstrike:20150206:crowdstrike:fbcc37f, author = {CrowdStrike}, title = {{CrowdStrike Global Threat Intel Report 2014}}, date = {2015-02-06}, institution = {CrowdStrike}, url = {https://web.archive.org/web/20200509171721/https://raw.githubusercontent.com/fdiskyou/threat-INTel/master/2015/GlobalThreatIntelReport.pdf}, language = {English}, urldate = {2020-05-11} } CrowdStrike Global Threat Intel Report 2014
BlackPOS CryptoLocker Derusbi Elise Enfal EvilGrab Gameover P2P HttpBrowser Medusa Mirage Naikon NetTraveler pirpi PlugX Poison Ivy Sakula RAT Sinowal sykipot taidoor
Yara Rules
[TLP:WHITE] win_nettraveler_auto (20201014 | autogenerated rule brought to you by yara-signator)
rule win_nettraveler_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-10-14"
        version = "1"
        description = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.5.0"
        tool_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.nettraveler"
        malpedia_rule_date = "20201014"
        malpedia_hash = "a7e3bd57eaf12bf3ea29a863c041091ba3af9ac9"
        malpedia_version = "20201014"
        malpedia_license = "CC BY-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    /* DISCLAIMER
     * The strings used in this rule have been automatically selected from the
     * disassembly of memory dumps and unpacked files, using YARA-Signator.
     * The code and documentation is published here:
     * https://github.com/fxb-cocacoding/yara-signator
     * As Malpedia is used as data source, please note that for a given
     * number of families, only single samples are documented.
     * This likely impacts the degree of generalization these rules will offer.
     * Take the described generation method also into consideration when you
     * apply the rules in your use cases and assign them confidence levels.
     */


    strings:
        $sequence_0 = { 0bd9 6a40 33d8 6a00 }
            // n = 4, score = 100
            //   0bd9                 | or                  ebx, ecx
            //   6a40                 | push                0x40
            //   33d8                 | xor                 ebx, eax
            //   6a00                 | push                0

        $sequence_1 = { d1e9 0bf1 b9ff00ff00 8bc6 23f9 c1e808 23c1 }
            // n = 7, score = 100
            //   d1e9                 | shr                 ecx, 1
            //   0bf1                 | or                  esi, ecx
            //   b9ff00ff00           | mov                 ecx, 0xff00ff
            //   8bc6                 | mov                 eax, esi
            //   23f9                 | and                 edi, ecx
            //   c1e808               | shr                 eax, 8
            //   23c1                 | and                 eax, ecx

        $sequence_2 = { c1e002 3bc6 7e6a 8d341b 33c0 85f6 7e61 }
            // n = 7, score = 100
            //   c1e002               | shl                 eax, 2
            //   3bc6                 | cmp                 eax, esi
            //   7e6a                 | jle                 0x6c
            //   8d341b               | lea                 esi, [ebx + ebx]
            //   33c0                 | xor                 eax, eax
            //   85f6                 | test                esi, esi
            //   7e61                 | jle                 0x63

        $sequence_3 = { 85c0 0f840c070000 8b45e0 68???????? 68???????? 881d???????? 889c050cfcffff }
            // n = 7, score = 100
            //   85c0                 | test                eax, eax
            //   0f840c070000         | je                  0x712
            //   8b45e0               | mov                 eax, dword ptr [ebp - 0x20]
            //   68????????           |                     
            //   68????????           |                     
            //   881d????????         |                     
            //   889c050cfcffff       | mov                 byte ptr [ebp + eax - 0x3f4], bl

        $sequence_4 = { a1???????? 897804 a1???????? c7400803000000 8bc7 0fafc6 }
            // n = 6, score = 100
            //   a1????????           |                     
            //   897804               | mov                 dword ptr [eax + 4], edi
            //   a1????????           |                     
            //   c7400803000000       | mov                 dword ptr [eax + 8], 3
            //   8bc7                 | mov                 eax, edi
            //   0fafc6               | imul                eax, esi

        $sequence_5 = { 57 51 ff7508 ffd0 85c0 7417 8b45e8 }
            // n = 7, score = 100
            //   57                   | push                edi
            //   51                   | push                ecx
            //   ff7508               | push                dword ptr [ebp + 8]
            //   ffd0                 | call                eax
            //   85c0                 | test                eax, eax
            //   7417                 | je                  0x19
            //   8b45e8               | mov                 eax, dword ptr [ebp - 0x18]

        $sequence_6 = { 7c8d 53 6800000040 ff75ec ff75e8 }
            // n = 5, score = 100
            //   7c8d                 | jl                  0xffffff8f
            //   53                   | push                ebx
            //   6800000040           | push                0x40000000
            //   ff75ec               | push                dword ptr [ebp - 0x14]
            //   ff75e8               | push                dword ptr [ebp - 0x18]

        $sequence_7 = { ffd6 33c0 eb72 ff75fc 895df4 57 }
            // n = 6, score = 100
            //   ffd6                 | call                esi
            //   33c0                 | xor                 eax, eax
            //   eb72                 | jmp                 0x74
            //   ff75fc               | push                dword ptr [ebp - 4]
            //   895df4               | mov                 dword ptr [ebp - 0xc], ebx
            //   57                   | push                edi

        $sequence_8 = { c3 55 8bec 83ec48 56 33f6 56 }
            // n = 7, score = 100
            //   c3                   | ret                 
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp
            //   83ec48               | sub                 esp, 0x48
            //   56                   | push                esi
            //   33f6                 | xor                 esi, esi
            //   56                   | push                esi

        $sequence_9 = { d2e3 8a4d0c 024d18 0806 d2ea 0ac3 0ad0 }
            // n = 7, score = 100
            //   d2e3                 | shl                 bl, cl
            //   8a4d0c               | mov                 cl, byte ptr [ebp + 0xc]
            //   024d18               | add                 cl, byte ptr [ebp + 0x18]
            //   0806                 | or                  byte ptr [esi], al
            //   d2ea                 | shr                 dl, cl
            //   0ac3                 | or                  al, bl
            //   0ad0                 | or                  dl, al

    condition:
        7 of them and filesize < 106496
}
[TLP:WHITE] win_nettraveler_w0   (20170521 | Identifiers for NetTraveler DLL)
/*
    This Yara ruleset is under the GNU-GPLv2 license (http://www.gnu.org/licenses/gpl-2.0.html) and open to any user or organization, as    long as you use it under this license.

*/

import "pe"

rule win_nettraveler_w0 {
    meta:
        description = "Identifiers for NetTraveler DLL"
        author = "Katie Kleemola"
        last_updated = "2014-05-20"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.nettraveler"
        malpedia_version = "20170521"
        malpedia_license = "CC BY-NC-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    strings:
        //network strings
        $n1 = "?action=updated&hostid="
        $n2 = "travlerbackinfo"
        $n3 = "?action=getcmd&hostid="
        $n4 = "%s?action=gotcmd&hostid="
        $n5 = "%s?hostid=%s&hostname=%s&hostip=%s&filename=%s&filestart=%u&filetext="

        //debugging strings
        $d1 = "\x00Method1 Fail!!!!!\x00"
        $d2 = "\x00Method3 Fail!!!!!\x00"
        $d3 = "\x00method currect:\x00"
        $d4 = /\x00\x00[\w\-]+ is Running!\x00\x00/
        $d5 = "\x00OtherTwo\x00"

    condition:
        any of them
}
[TLP:WHITE] win_nettraveler_w1   (20170521 | Identifiers for netpass variant)
/*
    This Yara ruleset is under the GNU-GPLv2 license (http://www.gnu.org/licenses/gpl-2.0.html) and open to any user or organization, as    long as you use it under this license.

*/

rule win_nettraveler_w1 {
    meta:
        description = "Identifiers for netpass variant"
        author = "Katie Kleemola"
        last_updated = "2014-05-29"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.nettraveler"
        malpedia_version = "20170521"
        malpedia_license = "CC BY-NC-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    strings:
        $exif1 = "Device Protect ApplicatioN" wide
        $exif2 = "beep.sys" wide //embedded exe name
        $exif3 = "BEEP Driver" wide //embedded exe description

        $string1 = "\x00NetPass Update\x00"
        $string2 = "\x00%s:DOWNLOAD\x00"
        $string3 = "\x00%s:UPDATE\x00"
        $string4 = "\x00%s:uNINSTALL\x00"

    condition:
        all of ($exif*) or any of ($string*)
}
[TLP:WHITE] win_nettraveler_w2   (20170521 | Export names for dll component)
/*
    This Yara ruleset is under the GNU-GPLv2 license (http://www.gnu.org/licenses/gpl-2.0.html) and open to any user or organization, as    long as you use it under this license.

*/

rule win_nettraveler_w2 {
	meta:
		description = "Export names for dll component"
		author = "Katie Kleemola"
		last_updated = "2014-05-20"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.nettraveler"
        malpedia_version = "20170521"
        malpedia_license = "CC BY-NC-SA 4.0"
        malpedia_sharing = "TLP:WHITE"
	
	strings:
		//dll component exports
		$d1 = "?InjectDll@@YAHPAUHWND__@@K@Z"
		$d2 = "?UnmapDll@@YAHXZ"
		$d3 = "?g_bSubclassed@@3HA"
		
	condition:
		any of them
}
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